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WO2014180367A1 - 无线连接方法、设备及计算机存储介质 - Google Patents

无线连接方法、设备及计算机存储介质 Download PDF

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Publication number
WO2014180367A1
WO2014180367A1 PCT/CN2014/077695 CN2014077695W WO2014180367A1 WO 2014180367 A1 WO2014180367 A1 WO 2014180367A1 CN 2014077695 W CN2014077695 W CN 2014077695W WO 2014180367 A1 WO2014180367 A1 WO 2014180367A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission node
sub
user equipment
node
connection
Prior art date
Application number
PCT/CN2014/077695
Other languages
English (en)
French (fr)
Inventor
戴博
谢峰
黄亚达
李儒岳
郁光辉
胡留军
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP14795069.5A priority Critical patent/EP3060001B1/en
Priority to EP19157893.9A priority patent/EP3544365B1/en
Priority to ES14795069T priority patent/ES2780855T3/es
Priority to US15/029,912 priority patent/US10389843B2/en
Priority to EP19157892.1A priority patent/EP3544364B1/en
Publication of WO2014180367A1 publication Critical patent/WO2014180367A1/zh
Priority to US16/521,581 priority patent/US11190613B2/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/2866Architectures; Arrangements
    • H04L67/30Profiles
    • H04L67/303Terminal profiles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0027Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/32Hierarchical cell structures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/10Reselecting an access point controller
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/34Reselection control
    • H04W36/38Reselection control by fixed network equipment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/15Setup of multiple wireless link connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/30Connection release
    • H04W76/34Selective release of ongoing connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/30Connection release

Definitions

  • the present invention relates to mobile wireless communication technologies, and in particular, to a wireless connection method, device, and computer storage medium. Background technique
  • a base station (evolved Node B, eNB or Base Station, BS) is a device for providing user equipment (UE, User Equipment), and may also be called a terminal, providing wireless access, a base station and a user.
  • Wireless communication between devices is through electromagnetic waves.
  • a base station may provide one or more serving cells, and the wireless communication system may provide wireless coverage for terminals within a certain geographical range through the serving cell.
  • wireless communication systems need to deploy base stations with large coverage. These base stations are usually called macro base stations (Macro eNB or Macro BS), and their serving cells are usually called macro cells. .
  • macro base stations Macro eNB or Macro BS
  • their serving cells are usually called macro cells.
  • wireless communication systems need to provide users with coverage holes or provide higher quality wireless communication services in certain environments or scenarios, so some coverage is small and the transmission power is low. A small base station is adopted.
  • These small base stations include a micro base station (Pico eNB or Pico BS) and a child base station (Femto eNB or Femto BS), wherein the child base station may also be referred to as a home base station (Home NB, HNB or Home eNB, HeNB), a femto base station or a fly.
  • the base station, the cell provided by the micro base station is called a pico cell, and the cell provided by the base station is called a femto cell.
  • the nodes corresponding to the small base stations are also referred to as low power nodes (LPNs), and the cells corresponding to these nodes are also referred to as small cells.
  • LPNs low power nodes
  • micro base station may be referred to as larvae and transit nodes (TP, Transmission Point) 0
  • the micro base station can be regarded as a "virtual distributed antenna" of the macro base station, and for the user equipment accessing the micro base station, It can also be seen as accessing a macro station. It can also be considered that the user equipment can achieve fast handover between the macro base station and the micro base station connected by using an ideal backhaul link.
  • non-ideal backhaul link connections can be used between base stations, when user equipment is connected to base stations using non-ideal backhaul links.
  • Ideal-backhaul Ideal-backhaul
  • the user equipment cannot quickly switch between the base stations due to the delay of data transmission between the base stations, which affects the performance of the user equipment.
  • the handover probability between the base stations connected to the non-ideal backhaul link is higher, and the impact of fast handover cannot be greater on the performance of the user equipment.
  • the embodiments of the present invention provide a wireless connection method, a device, and a computer storage medium, which can implement fast switching between user equipments on base stations of non-ideal backhaul links.
  • An embodiment of the present invention provides a wireless connection method, where the method includes:
  • the primary transit node sends connection indication information to the user equipment, where the connection indication information is used to indicate that the user equipment establishes a connection with at least one child transit node while maintaining the current connection with the primary transport node.
  • An embodiment of the present invention provides a wireless connection method, where the method includes:
  • the user equipment receives the connection indication information sent by the primary transmission node
  • connection indication information establishing, according to the connection indication information, a connection with at least one child transmission node while maintaining the current connection with the primary transmission node.
  • An embodiment of the present invention provides a wireless connection method, where the method includes:
  • the child transit node identifies the accessed user equipment according to the access information of the user equipment, where
  • the user equipment that is accessed includes a single connected user equipment and/or a multi-connected user equipment.
  • An embodiment of the present invention provides a wireless connection method, where the method includes:
  • the centralized control node performs multiple connection control on the primary transit node and the child transit node.
  • An embodiment of the present invention provides a transmission node, where the transmission node includes:
  • a sending unit configured to send connection indication information to the user equipment, where the connection indication information is configured to indicate that the user equipment establishes a connection with at least one child transmission node while maintaining the current connection with the primary transmission node.
  • An embodiment of the present invention provides a user equipment, where the user equipment includes:
  • a receiving unit configured to receive connection indication information sent by the primary transit node
  • a connecting unit configured to establish a connection with the at least one child transit node according to the connection indication information while maintaining the current connection with the primary transit node.
  • An embodiment of the present invention provides a transmission node, where the transmission node includes:
  • a storage unit configured to store access information of the user equipment
  • the identification unit is configured to identify the accessed user equipment according to the access information of the user equipment, where the accessed user equipment includes a single connected user equipment and/or a multi-connected user equipment.
  • An embodiment of the present invention provides a node, where the node includes a control unit, configured to perform multi-connection control on a primary transmission node and a child transmission node.
  • the embodiment of the invention provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are configured to perform any of the wireless connection methods described above.
  • the technical solution of the embodiment of the present invention includes: the primary transmission node sends the connection indication information to the user equipment, where the connection indication information is used to indicate that the user equipment is currently connected with the primary transmission node, and At least one child transfer node establishes a connection. Receiving, by the user equipment, connection indication information sent by the primary transmission node, where the user equipment is configured according to the connection indication The information establishes a connection with at least one child transit node while maintaining the current connection with the primary transport node. Therefore, by enabling the user equipment to simultaneously access multiple transmission nodes using non-ideal backhaul links, the present invention can implement fast handover between user equipments of non-ideal backhaul links. In addition, the embodiments of the present invention can also improve the communication performance of the network. DRAWINGS
  • FIG. 1 is a flowchart 1 of an implementation of a wireless connection method according to an embodiment of the present invention
  • FIG. 2 is a flowchart 2 of an implementation of a wireless connection method according to an embodiment of the present invention
  • FIG. 3 is a flowchart 3 of implementing a wireless connection method according to an embodiment of the present invention.
  • FIG. 4 is a flowchart 4 of implementing a wireless connection method according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a transmission node according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a transmission node according to an embodiment of the present invention. detailed description
  • An embodiment of the present invention provides a wireless connection method, where the method includes:
  • the primary transit node sends connection indication information to the user equipment, where the connection indication information is used to indicate that the user equipment establishes a connection with at least one child transit node while maintaining the current connection with the primary transport node.
  • the primary transmission node includes: 1) a node corresponding to the primary serving cell; 2) any one of the connected transit nodes may be selected as the primary transit node;
  • the sub-transport node selection includes: 1) a transmission node in a cell service list of the primary transmission node; 2) a selection of a transmission node to which the centralized control node belongs; 3) a transmission node autonomously detected by the UE;
  • the transit node can also be regarded as a base station, or as a serving cell, such as: a primary transmission section
  • the point corresponds to the primary serving cell
  • the child transit node corresponds to the secondary primary serving cell
  • the child transmitting node is a transport node or a serving cell that can be independently scheduled and independently received by the user equipment, which is different from the secondary serving cell in the carrier aggregation scenario;
  • the primary transmission node corresponds to a macro base station (macro cell)
  • the sub-transport node corresponds to a micro base station (small cell)
  • the multiple connections may also be connections for specific services (services), different services correspond to different transmission nodes, and different services correspond to different connections; or, the connection of services is not distinguished.
  • services specific services
  • different services correspond to different transmission nodes
  • different services correspond to different connections
  • the connection of services is not distinguished.
  • the method further includes:
  • the primary transit node acquires related information of the child transit node, and sends related information of the selected child transit node in the obtained related information of the child transit node to the user equipment.
  • the related information of the selected sub-transport node may be transmitted to the user equipment in a piece of information and the connection indication information, or may be separately transmitted to the user equipment.
  • the method further includes:
  • the primary transmission node acquires basic information of the child transmission node by using the user equipment, and selects a child transmission node according to the predefined information, where the predefined information includes the basic information; or
  • the primary transmission node acquires related information of the child transmission node, and selects a child transmission node among the child transmission nodes according to the predefined information, wherein the predefined information includes information about the child transmission node.
  • the first predefined information may include basic information of the sub-transport node and related information of the sub-transport node;
  • the second pre-defined information may include basic information of the sub-transport node, And related information of the sub-transport node.
  • the primary transit node acquires related information of the child transit node, including:
  • the primary transit node interacts with the child transit node to obtain related information of the child transit node;
  • the primary transit node obtains related information of the child transit node through the centralized control node.
  • the method further includes: the primary transit node receiving a sub-transport node disconnect request sent by the user equipment.
  • the method further includes: the primary transmission node performing one of the following operations:
  • the sub-transmission node reselection indication information is used to instruct the user equipment to reselect the sub-transmission node; the sub-transmission node re-selection auxiliary information is used to assist the user equipment to perform sub-transmission node re-selection;
  • the indication information is used to indicate that the user equipment reselects the primary transmission node; the sub-transmission node disconnection indication information is used to indicate that the user equipment is disconnected from the target sub-transport node; and the sub-transport node disconnects the request.
  • the confirmation information is used for the confirmation information returned by the transmission node after receiving the disconnection request of the sub-transport node.
  • reselection can also be regarded as a handover, that is, switching from one transmission node to another, or switching from one serving cell to another serving cell.
  • FIG. 1 is a flowchart of implementing a wireless connection method according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps:
  • Step 101 The primary transit node sends connection indication information to the user equipment, where the connection indication information is configured to indicate that the user equipment is selected by the primary transport node and remains connected to the primary transport node.
  • the node establishes a connection.
  • the number of selected sub-transport nodes may be one or more.
  • the user equipment may also select one sub-transport node from the selected sub-transport nodes to connect.
  • Step 102 The primary transit node acquires related information of the child transit node and/or basic information of the child transit node.
  • the primary transmission node acquires related information of the child transmission node, and the method includes: the primary transmission node and the child transmission node respectively interact to obtain related information of the child transmission node; or
  • the primary transit node obtains related information of the child transit node through the centralized control node.
  • the primary transmission node acquires basic information of the child transmission node, and the method includes: the primary transmission node acquiring basic information of the child transmission node by using the user equipment;
  • the centralized control node is a higher-level control node or a MME (Mobility Management Entity) relative to the primary transit node and the sub-transport node; when the primary transport node acquires the sub-transport node through the user equipment
  • the primary transit node may perform sub-transport node selection according to the UE downlink measurement basic information, thereby ensuring downlink transmission of the sub-transport node to the user equipment.
  • the primary transmission node may perform the user equipment according to the child transmission node.
  • the uplink signal is measured to perform sub-transmission node selection, and the uplink channel is used to estimate the downlink channel, or the primary transmission node can directly perform sub-transmission node selection according to the path loss value; thus, the user equipment does not need to perform sub-transport node measurement and Feedback reduces the complexity of the user equipment and ensures the uplink transmission of the user equipment to the sub-transport node.
  • the information that the primary transit node interacts with the sub-transport node includes at least one of the following: system configuration information of the sub-transport node; an uplink timing offset measured by the sub-transport node according to the uplink signal of the user equipment; and the sub-transport node according to the user Uplink path loss, uplink power value, frequency point information, cell ID (cell ID), and user-specific configuration information measured by the uplink signal of the device.
  • the related information obtained by the primary transit node and the sub-transport node, or the information about the sub-transport node obtained by the primary transit node by the centralized control node specifically includes at least one of the following: frequency point information; cell identifier; system message; user-specific Configuration information; uplink timing adjustment amount; The number of the connected user equipments; whether the multi-connection is supported; the user equipment can directly and blindly detect the downlink control information and perform data interaction with the sub-transport node after the downlink synchronization with the sub-transport node; The related information quickly establishes a connection with another transmission node for data interaction, speeds up the system message acquisition process for the new transmission node, and the uplink synchronization process.
  • the user equipment may autonomously select a sub-transport node to access at the frequency point according to the frequency point information; the user equipment accesses a new sub-transport node.
  • the establishment process of the multi-connection can be simplified, and the interaction between the primary transit node and the sub-transport node can be reduced.
  • the user equipment may further select, according to the frequency point information and the cell identifier, the sub-transport node corresponding to the cell identifier to access at the frequency point. In this way, the complexity caused by the user equipment autonomously selecting the sub-transport node can be reduced, and centralized management is facilitated.
  • the system message includes at least one of the following: a physical random access channel (PRACH) configuration information of the transmitting node; a downlink system bandwidth; an uplink frequency point; an uplink system bandwidth; a duplex system; Row ratio ratio information; multicast/multicast broadcast single frequency network (MBSFN) subframe configuration information; transmission indication information of other system information blocks; transmission of uplink sounding reference signal (SRS, Sounding Reference Signal) Subframe configuration information; physical hybrid retransmission indicates channel information.
  • PRACH physical random access channel
  • MMSFN multicast/multicast broadcast single frequency network
  • the user-specific configuration information includes at least one of the following: a Physical Uplink Control Channel (PUCCH), a resource start location configuration information, an uplink power control parameter information, and an enhanced physical downlink control channel (ePDCCH). , Enhanced Download Control Channel ) related configuration information.
  • PUCCH Physical Uplink Control Channel
  • ePDCCH enhanced physical downlink control channel
  • Step 103 The primary transit node selects the child transit node according to the acquired related information and/or basic information of the child transit node.
  • Step 104 The primary transit node sends related information of the selected sub-transport node to the user equipment.
  • the method further includes:
  • the primary transmission node sends the sub-transmission node reselection indication information or the primary transmission node reselection indication information to the user equipment, where the sub-transmission node re-selection indication information is used to instruct the user equipment to re-select the sub-transmission node;
  • the primary transmission node reselection indication information is used to instruct the user equipment to reselect the primary transmission node.
  • the reselection can also be regarded as a handover, that is, switching from one transmission node to another, or switching from one serving cell to another serving cell.
  • the embodiment of the present invention further provides a wireless connection method. As shown in FIG. 2, the method includes the following steps: Step 201: A user equipment receives connection indication information sent by a primary transmission node.
  • Step 202 The user equipment establishes a connection with at least one child transit node according to the connection indication information while maintaining the current connection with the primary transmission node.
  • the sub-transport node that establishes the connection with the user equipment may re-assign the user-specific physical layer identifier, that is, the C-RNTL Cell Radio Network Temporary Identifier, to the user equipment; or, the user equipment is During the uplink synchronization with the sub-transport node, the C-RNTI of the user equipment at the primary transmission node is reported; or the user equipment reports the pre-allocated in the uplink synchronization process with the sub-transport node.
  • the higher-level transit node manages the user equipment that accesses both the primary transit node and the sub-transport node; or the sub-transport node confirms the user according to the media access control address (MAC) of the user equipment.
  • the method further includes:
  • the user equipment receives the information about the child transmission node sent by the primary transmission node, and establishes a connection with the child transmission node according to the information about the child transmission node.
  • the method further includes: the user equipment performs measurement on the child transmission node to obtain basic information of the child transmission node, and reports the information to the primary transmission node.
  • the number of reported sub-transport nodes may be one or more, for example, three or six.
  • the basic information of the sub-transport node measured by the user equipment may include: a cell identifier and a reference signal receiving power (RSRP, Reference Signal Receiving Power) corresponding to the transmission node.
  • RSRP Reference Signal Receiving Power
  • the user equipment may detect at least one of the following: a synchronization channel corresponding to each sub-transport node; a cell-specific reference signal (CRS) corresponding to each sub-transport node;
  • the DS Discovery signals are obtained by measuring the signals, and the basic information corresponding to the sub-transport nodes, such as the cell identifier and the RSRP, are selected, and the corresponding sub-transport node is selected for reporting.
  • the child transmission node connected by the user equipment or the child transmission node measured by the user equipment includes at least one of the following:
  • Centralized control node designated sub-transport node
  • the child transmission node selected by the user equipment autonomously.
  • the method further includes:
  • the user equipment maintains a connection with the primary transit node, exits the connection with the current child transit node, selects a new child transport node, and connects;
  • the user equipment maintains a connection with the primary transit node, and performs handover of the sub-transport node directly on the existing sub-transport node;
  • the user equipment maintains a connection with the primary transport node, and the primary transport node assists in switching from the existing child transport node to another child transport node.
  • the sub-transmission node is reselected in a manner of performing handover of the sub-transport node directly on the existing sub-transport node, similar to the inter-cell handover in the case of single connection in the related art, without the assistance of the main transmission node, The child transfer node exit process is required.
  • the sub-transport node re-selection is performed by the primary transmission node assisting the completion of handover from the existing sub-transport node to another sub-transport node, and the sub-transport node exit procedure is not required.
  • the method further includes:
  • the user equipment exits the connection with the current child transmission node, performs handover of the primary transmission node; the user equipment maintains a connection with the current child transmission node, performs handover of the primary transmission node; and the user equipment maintains the current child transmission node
  • the connection, the sub-transport node assists the user equipment to complete the handover of the primary transmission node; and causes the primary transmission node and the sub-transport node to simultaneously switch to a pair of new primary transmission nodes and sub-transport nodes.
  • the user equipment may also autonomously issue the sub-transmission node reselection indication information or the primary transmission node reselection indication information to the sub-transmission node or the primary transmission node, and after the sub-transport node or the primary transmission node confirms, the transmission node is heavy. Selected operation.
  • the user equipment receives the sub-transport node disconnection indication information sent by the primary transmission node, and disconnects the connection with the target sub-transport node; the user equipment receives the sub-transport node disconnection indication information sent by the sub-transport node; disconnects from the target sub-transport node
  • the user equipment sends a sub-transport node disconnect request to the primary transit node or the sub-transport node, and after the primary transit node or the sub-transport node confirms, disconnects from the target sub-transport node; the user equipment transmits to the primary transport node or sub-transport Node sends sub-transmission
  • the input node disconnects the request and then disconnects from the target child transfer node.
  • the embodiment of the present invention further provides a wireless connection method.
  • the method includes the following steps: Step 301: A sub-transport node identifies an accessed user equipment according to access information of a user equipment, where the accessed user
  • the device includes a single connected user device and/or a multi-connected user device.
  • the access information of the user equipment includes at least one of the following:
  • a C-RNTI used by the user equipment in the primary transmission node; an identification ID of the cell corresponding to the primary transmission node; a unique identification code of the user equipment (such as IMSI, IMEI), identification information assigned by the centralized control node, and the user a proprietary resource of the device; a multi-connection identity signaling of the user equipment; a C-RNTL used by the user equipment in the child transit node
  • the dedicated resource includes a specific uplink synchronization channel resource
  • the specific uplink synchronization channel resource includes: a specific time-frequency resource and/or a specific sequence.
  • the access information may be obtained during the process of accessing the sub-transport node by the user equipment, or may be obtained after the user equipment accesses the sub-transport node.
  • the method further includes:
  • the child transmission node transmits its own related information to the primary transmission node; and/or acquires access information of the multi-connection user equipment transmitted by the primary transmission node.
  • the method further includes:
  • the multi-connection user equipment assisted by the sub-transport node completes the handover of the primary transmission node.
  • the method further includes: the sub-transport node performing one of the following operations: the sub-transport node sends a sub-transport node disconnection indication information to the accessed multi-connection user equipment, where the sub-transport node disconnects The indication information is used to indicate that the user equipment is disconnected from the designated child transmission node; the child transmission node receives the child transmission node disconnection request of the multi-connection user equipment, and returns confirmation information; the child transmission node receives The child transit node of the multi-connection user equipment disconnects the request.
  • the embodiment of the invention further provides a wireless connection method.
  • the method includes the following steps: Step 401: The centralized control node performs multiple connection control on the primary transit node and the child transit node.
  • the performing multiple connection control is: controlling at least one of: primary transmission node selection; sub-transport node selection; multi-connection user equipment selection; multi-connection user equipment identification of access sub-transport node; multi-connection The child transmission node of the user equipment switches; the child transmission node of the multi-connection user equipment is disconnected.
  • the performing the multi-connection control comprises: controlling delivery of at least one of the following information:
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, and the computer executable instructions are configured to execute the wireless connection management method shown in any of the figures of FIG. 1 to FIG. .
  • the embodiment of the present invention further provides a transmission node.
  • the transmission node includes: a sending unit 501, configured to send connection indication information to a user equipment, where the connection indication information is configured to indicate that the user equipment is Establishing a connection with at least one child transit node while maintaining the current connection with the primary transport node.
  • the number of selected sub-transport nodes may be one or more.
  • the transmitting node further includes: an obtaining unit 502, configured to acquire related information of the child transit node;
  • the sending unit 501 is further configured to send related information of the selected sub-transport node in the related information of the acquired sub-transport node to the user equipment.
  • the transmitting node further includes a selecting unit 503, configured to acquire basic information of the sub-transport node by using the user equipment, and select a sub-transport node according to the predefined information.
  • the predefined information includes the basic information; or
  • the sub-transport node is selected according to the predefined information, and the pre-defined information includes related information of the sub-transport node acquired by the acquiring unit.
  • the obtaining unit 502 is configured to interact with the child transit node to obtain related information of the child transit node; or
  • the related information of the sub-transport node is obtained by the centralized control node.
  • the transmitting node further includes a receiving unit 504 configured to receive a sub-transport node disconnect request sent by the user equipment.
  • the sending unit 501 is further configured to: perform one of: sending a sub-transport node reselection indication information to the user equipment; and transmitting, to the user equipment, a sub-transport node reselection auxiliary information; to the user Sending, by the device, the primary transmission node reselection indication information; sending the subtransmission node disconnection indication information to the user equipment; and sending, to the user equipment, the confirmation information of the subtransmission node disconnection request;
  • the sub-transmission node reselection indication information is used to instruct the user equipment to reselect the sub-transmission node; the sub-transmission node re-selection auxiliary information is used to assist the user equipment to perform sub-transmission node re-selection;
  • the indication information is used to indicate that the user equipment reselects the primary transmission node; the sub-transmission node disconnection indication information is used to indicate that the user equipment is disconnected from the target sub-transport node; and the sub-transport node disconnects the request.
  • the confirmation information is used for the confirmation information returned by the transmission node after receiving the disconnection request of the sub-transport node.
  • each unit in the foregoing transmission node may be a central processing unit (CPU) in a transmission node, a digital signal processor (DSP), or a programmable array (FPGA). Field - Programmable Gate Array ) implementation.
  • CPU central processing unit
  • DSP digital signal processor
  • FPGA programmable array
  • the user equipment includes: a receiving unit 601, configured to receive connection indication information sent by a primary transit node;
  • the connecting unit 602 is configured to establish a connection with the at least one child transit node according to the connection indication information while maintaining the current connection with the primary transit node.
  • the receiving unit 601 is further configured to receive sub-transport node related information sent by the primary transit node;
  • the connecting unit 602 is configured to establish a connection with the sub-transport node according to the information about the sub-transport node.
  • the user equipment further includes: a measuring unit 603 configured to perform measurement on the sub-transport node to obtain basic information of the sub-transport node, and report the information to the main transit node.
  • a measuring unit 603 configured to perform measurement on the sub-transport node to obtain basic information of the sub-transport node, and report the information to the main transit node.
  • the number of the reported sub-transport nodes may be one or more, for example, three or six; the related information may include: a cell identifier and a corresponding RSRP value of the transport node;
  • the child transmission node connected by the user equipment or the child transmission node measured by the user equipment includes at least one of the following:
  • Centralized control node designated sub-transport node
  • the child transmission node selected by the user equipment autonomously.
  • the receiving unit 601 is further configured to receive sub-transmission node reselection indication information sent by the primary transmission node;
  • the user equipment also includes a sub-transport node reselection unit 604 configured to perform sub-transport node reselection in at least one of the following ways:
  • the receiving unit 601 is further configured to receive the primary transmission node reselection indication information sent by the primary transmission node;
  • the user equipment also includes a primary transport node reselection unit 605 configured to perform primary transport node reselection in at least one of the following manners:
  • the user equipment further includes a triggering unit 606, a disconnecting unit 607, and a sending unit 608, where the triggering unit 606 is configured to trigger the receiving unit 601 to receive the disconnection of the child transmitting node sent by the primary transmitting node.
  • Instructing information receiving the sub-transmission node disconnection indication information sent by the sub-transport node, triggering the disconnection unit 607 to disconnect the connection with the target sub-transport node according to the indication information received by the receiving unit;
  • the triggering unit 606 is further configured to trigger the sending unit 608 to send a sub-transport node disconnect request to the primary transit node or the sub-transport node, where the receiving unit 601 receives the primary transit node or the sub-transmission After the acknowledgment information of the node, the disconnecting unit 607 is triggered to disconnect the connection with the target sub-transport node;
  • the triggering unit 606 is further configured to trigger the sending unit 608 to send a sub-transport node disconnect request to the primary transit node or the sub-transport node, and trigger the disconnecting unit 607 to directly disconnect from the target sub- The connection of the transport node.
  • each unit in the above user equipment may be implemented by a CPU, DSP or FPGA in the user equipment.
  • the embodiment of the present invention further provides a transmission node.
  • the transmission node includes: a storage unit 701, configured to store access information of the user equipment;
  • the identifying unit 702 is configured to identify the accessed user equipment according to the access information of the user equipment,
  • the accessed user equipment includes a single connected user equipment and/or a multi-connected user equipment.
  • the access information of the user equipment includes at least one of the following:
  • a C-RNTI used by the user equipment in the primary transmission node, an identification ID of the cell corresponding to the primary transmission node, a unique identification code of the user equipment (such as IMSI, IMEI), and identification information allocated by the centralized control node; a proprietary resource of the device; a multi-connection identity signaling of the user equipment; a C-RNTL used by the user equipment in the child transit node
  • the dedicated resource includes a specific uplink synchronization channel resource
  • the specific uplink synchronization channel resource includes: a specific time-frequency resource and/or a specific sequence.
  • the access information may be obtained during the process of accessing the sub-transport node by the user equipment, or may be obtained after the user equipment accesses the sub-transport node.
  • the transmitting node further includes: an information processing unit 703 configured to transmit related information to the primary transmission node; and/or to obtain access information of the multi-connection user equipment transmitted by the primary transmission node.
  • an information processing unit 703 configured to transmit related information to the primary transmission node; and/or to obtain access information of the multi-connection user equipment transmitted by the primary transmission node.
  • the transmitting node further includes: an auxiliary unit 704 configured to assist the accessed multi-connected user equipment to complete the handover of the primary transit node.
  • an auxiliary unit 704 configured to assist the accessed multi-connected user equipment to complete the handover of the primary transit node.
  • the information processing unit 703 is further configured to: perform one of the following operations: sending a sub-transport node disconnection indication information to the accessed multi-connection user equipment, where the sub-transport node disconnection indication information is used to indicate Determining that the user equipment is disconnected from the designated sub-transport node; receiving the sub-transport node disconnection request of the multi-connection user equipment, and returning the confirmation information; and receiving the sub-transport node disconnect request of the multi-connection user equipment.
  • each unit in the above-mentioned transmission node can be implemented by a CPU, DSP or FPGA in the transmission node.
  • the embodiment of the present invention further provides a node, where the node includes a control unit 801 configured to perform multi-connection control on the primary transit node and the child transit node.
  • control unit 801 is further configured to control at least one of the following: Primary transmission node selection; sub-transport node selection; multi-connection user equipment selection; multi-connection user equipment identification of access sub-transport nodes; sub-transport node handover of multi-connection user equipment; sub-transport node disconnection of multi-connection user equipment.
  • control unit 801 is further configured to control delivery of at least one of the following information:
  • control unit 801 in the above nodes can be implemented by a CPU, DSP or FPGA in the node.
  • the primary transmission node includes: 1) a node corresponding to the primary serving cell; 2) any one of the connected transit nodes may be selected as the primary transit node;
  • the sub-transport node selection includes: 1) a transmission node in a cell service list of the primary transmission node; 2) a selection of a transmission node to which the centralized control node belongs; 3) a transmission node autonomously detected by the UE;
  • the transit node may also be regarded as a base station, or as a serving cell, for example, the primary transit node corresponds to the primary serving cell, the sub-transport node corresponds to the secondary primary serving cell, and the sub-transport node can be independently scheduled and independently received.
  • the transmission node or the serving cell that is fed back by the user equipment is different from the secondary serving cell in the carrier aggregation scenario; or the primary transmission node corresponds to the macro base station (macro cell), and the sub-transport node corresponds to the micro base station (small cell);
  • the multiple connections may also be connections for specific services (services), different services correspond to different transmission nodes, and different services correspond to different connections; or, the connection of services is not distinguished.
  • services specific services
  • different services correspond to different transmission nodes
  • different services correspond to different connections
  • the connection of services is not distinguished.
  • the present invention can implement user equipment between base stations of non-ideal backhaul links by simultaneously connecting user equipments to multiple transmission nodes that use non-ideal backhaul links. Quickly switch.
  • the primary transit node sends indication information for indicating that the user equipment establishes another connection while maintaining the current connection.
  • the user equipment feeds back the basic information of the child transmission node, and the primary transmission node selects the child transmission node.
  • the user equipment performs measurement after obtaining the indication information, and reports the information of the child transmission node to which the connection is to be established. Or, the user equipment starts to measure the sub-transport node according to the configuration information of the main transit node, and reports the measurement result to the main transit node, and after the main transport node selects the sub-transport node, sends the indication information to the user equipment,
  • the sub-transport node measured by the user equipment may be specified by the centralized control node, specified by the primary transit node, or selected by the user equipment.
  • the reported transmission node information includes: a cell identifier, an RSRP value corresponding to the transmission node, and a reference signal received shield quantity (RSRQ, Reference Signal Received Quality) value of the transmission node.
  • RSRQ Reference Signal Received Quality
  • the user equipment may measure one of the following corresponding sub-transport nodes: a synchronization channel; a CRS; a DS; obtain a sub-transport node corresponding cell identifier and an RSRP by using the measurement result, and select the best sub-transport node to report.
  • the number of reported transmission nodes may be one or multiple, such as: 3 or 6.
  • the primary transmission node receives the basic information of the child transmission node reported by the user equipment, and the primary transmission node selects the child transmission node to send to the user equipment.
  • the primary transit node can comprehensively consider various conditions, such as: the number of user equipments accessed by each sub-transport node, the distribution of each sub-transport node, etc., selected in the sub-transport nodes reported by the user equipment, or may be additionally selected. Child transfer node.
  • the beneficial effect of this embodiment is that the primary transmission node can perform the sub-transmission node selection according to the downlink measurement of the UE, thereby ensuring the downlink transmission of the sub-transport node to the user equipment, and also increasing the user equipment selection characteristic.
  • the primary transit node sends indication information for indicating that the user equipment establishes another connection while maintaining the current connection.
  • the primary transport node selects the child transport node, and the user equipment does not need to feed back the child transport node information before establishing the connection of the child transport node.
  • the primary transit node first interacts with the child transit node to obtain related information of the child transit node; or the primary transit node may obtain related information of the child transit node through the centralized control node.
  • the information of the interaction includes at least one of the following: system configuration information of the sub-transport node; an uplink timing offset measured by the sub-transport node according to the uplink signal of the user equipment; and the sub-transport node is measured according to the uplink signal of the user equipment.
  • Uplink loss or uplink power value ; frequency point information; cell identity; user-specific configuration information; number of connected user equipments; whether access to multi-connection user equipment is allowed.
  • the transmitting node may send the following information in addition to the indication information: the related information of the transmission node corresponding to the another connection; wherein the related information may include at least one of the following: frequency point information; cell identifier; system Message; user-specific configuration information; uplink timing adjustment.
  • the transmission node corresponding to the other connection may be one or multiple (one set, which one is selected by the user equipment, and selected by the user equipment), such as: 3 or 6.
  • the system message includes at least one of the following: PRACH configuration information of the transmitting node; downlink system bandwidth; uplink frequency point; uplink system bandwidth; duplex system; uplink and downlink ratio information; MBSFN subframe configuration information, other system information Block transmission indication information, sub-transmission SRS Frame configuration information;
  • the user-specific configuration information includes at least one of the following: PUCCH resource start location configuration information; uplink power control parameter information; ePDCCH-related configuration information; C-RNTI information used by the user equipment in the child transit node; PRACH resource information used by the user equipment in the child transmission node; the PRACH resource information includes time-frequency location and sequence information.
  • the beneficial effects of this embodiment are that the user equipment does not need to perform measurement and feedback of the sub-transport node, and the complexity of the terminal is reduced.
  • the primary transmission node may perform sub-transmission node selection according to the measurement of the uplink signal of the user equipment by the sub-transport node, for example, : using the uplink channel to estimate the downlink channel, or directly selecting the sub-transport node according to the path loss value, so as to ensure the uplink transmission of the user equipment to the sub-transport node, or the distribution of the sub-transport node and the sub-transport node
  • the sub-transport node is directly selected by factors such as the number of accessed user devices.
  • the primary transmission node sends the indication information, which is used to indicate that the user equipment establishes another connection on the premise of maintaining the current connection; the information transmitted by the primary transmission node in addition to the indication information includes: the sub-transmission corresponding to the another connection
  • the related information of the node where the related information includes frequency point information, cell identification information and system configuration information corresponding to the sub-transport node.
  • the user equipment autonomously selects the sub-transmission node access at the frequency point according to the frequency point information.
  • the access process of the user equipment at the sub-transport node includes: searching for a downlink synchronization signal at a frequency point of the sub-transport node, selecting a sub-transmission node with the best signal for synchronization, and acquiring system configuration information of the sub-transport node, Initiating uplink synchronization, completing uplink synchronization of the user equipment and the child transmission node.
  • the sub-transmission node re-allocates the C-RNTI to the user equipment.
  • Transfer nodes by higher layers eg: centralized control node, wireless management unit
  • the user equipment accessing the primary transmission node and the child transmission node is managed, or the child transmission node confirms the multi-connection identity according to the obtained multi-connection user equipment information and the unique identifier of the user equipment.
  • the beneficial effects of this embodiment are that the establishment process of the multi-connection is simplified, and the interaction between the primary transmission node and the sub-transport node is reduced.
  • the primary transmission node sends the indication information, which is used to indicate that the user equipment establishes another connection on the premise of maintaining the current connection.
  • the information that the primary transmission node can send in addition to the indication information includes: The related information of the transmission node; the related information includes frequency point information and cell identification information, and the user equipment selects, according to the frequency point information and the cell identifier, the sub-transmission node corresponding to the d and the area identifier to access the frequency point. .
  • the user equipment in the access process of the sub-transport node includes: searching for a downlink synchronization signal corresponding to the sub-transport node at a frequency point of the sub-transport node (the cell identifier information corresponds to a specific sub-transport node, and the cell identifier information corresponds to the specific
  • the downlink synchronization channel is configured to perform synchronization, obtain system configuration information of the sub-transport node, initiate uplink synchronization, and complete uplink synchronization between the user equipment and the sub-transport node.
  • the user equipment reports that the user equipment is in the C-RNTI of the primary transmission node, and the user-specific physical layer identifier of the primary transmission node is still used in the child transmission node; or During the uplink synchronization process between the user equipment and the child transmission node, the child transmission node re-allocates the C-R TI to the user equipment, where the user equipment is in the uplink synchronization process of the child transmission node. Will not report its C-RNTL at the primary transit node
  • the higher-level transmission node (eg, the centralized control node, the wireless management unit) manages the user equipment that simultaneously accesses the primary transmission node and the child transmission node, or the child transmission node obtains the multi-connection user equipment information and the user according to the Unique identifier of the device, confirm its multi-connection Identity, or, the sub-transport node confirms its multi-connection identity according to the user-specific physical layer identifier used in the primary transit node reported by the user equipment.
  • the higher-level transmission node eg, the centralized control node, the wireless management unit
  • the beneficial effect of the embodiment mode is that the complexity caused by the user equipment autonomously selecting the sub-transmission node is reduced, and the centralized management is facilitated.
  • the primary transmission node sends the indication information, which is used to indicate that the user equipment establishes another connection on the premise of maintaining the current connection.
  • the information that the primary transmission node can send in addition to the indication information includes: The related information of the transmission node, where the related information includes at least one of the following: frequency point information and cell identification information; system configuration information; user-specific configuration information; uplink timing information.
  • the user-specific configuration information includes at least one of the following: physical uplink control channel resource configuration information that carries uplink control information corresponding to the sub-transport node; power control information of the uplink control channel and the uplink data channel; Sequence configuration information; sequence configuration information of the downlink reference signal; configuration information of the ePDCCH; C-RNTI information allocated by the child transmission node to the user equipment.
  • the user equipment may directly detect the downlink control information sent by the sub-transport node after performing downlink synchronization with the sub-transport node, and perform uplink and downlink data interaction with the sub-transport node according to the downlink control information; or
  • the user equipment may perform uplink synchronization according to the uplink synchronization channel resource information in the user-specific configuration information after the downlink synchronization with the child transmission node, in the uplink synchronization process between the user equipment and the child transmission node,
  • the sub-transport node re-assigns the C-RNTI to the user equipment, and the sub-transport node identifies the user equipment according to the uplink synchronization channel resource, and confirms the identity of the multi-connection user equipment;
  • the user equipment may perform uplink synchronization after downlink synchronization with the child transmission node, and report C-RNTI information allocated by the child transmission node during uplink synchronization of the user equipment and the child transmission node,
  • the sub-transport node confirms the number based on the reported C-RNTI information. Connect the user device identity; or,
  • the user equipment may perform uplink synchronization after downlink synchronization with the sub-transport node, and report an identifier ID of the cell corresponding to the primary transmission node in the uplink synchronization process of the user equipment and the sub-transport node (the user).
  • the unique identification code of the device, the identification information of the centralized control node, and the multi-connection identity signaling, the sub-transport node confirms the identity of the multi-connection user equipment according to the information reported by the user equipment.
  • the user equipment can quickly establish a connection with another transit node according to the related information to perform data interaction, reduce a system message acquisition process for the new transit node, and an uplink synchronization process, or may enable the sub-transport node. It is easier to identify multi-connected user devices.
  • the multi-connection exit process includes at least one of the following operations:
  • the primary transmission node instructs the user equipment to disconnect the connection with the child transmission node, for example, the primary transmission node sends indication information to the user equipment, the indication information is configured to indicate that the user equipment disconnects the connection with the child transmission node, and when the user equipment is connected When the number of the transmission nodes is multiple, the indication information further includes an identifier of the disconnected child transmission node;
  • the user equipment may feed back to the primary transmission node whether the indication information is successfully received, and then, after a defined time interval, no longer receive the sub-transport node data, and exit the connection with the sub-transport node;
  • the user equipment After receiving the indication information, the user equipment does not feed back to the primary transmission node, and after receiving the defined time interval, does not receive the sub-transport node data, and exits the connection with the sub-transport node.
  • the sub-transport node indicates that the user equipment disconnects from the user, for example, the sub-transport node sends the indication information to the user equipment, where the indication information is used to indicate that the user equipment disconnects the connection with the sub-transport node; the user equipment receives the indication information.
  • the sub-transport node may be fed back whether the indication information is successful, and then after the defined time interval, the sub-transport node data is no longer received, and the exit is After receiving the indication information, the user equipment may not feed back to the sub-transport node, and after receiving the specified time interval, no longer receive the sub-transport node data, and exit the connection with the sub-transport node. .
  • the user equipment autonomously issues a disconnect request to the child transit node or the master transport node, and after the transport node confirms, disconnects the slave transport node.
  • the sub-transport node reselection process in the multi-connection state includes the following operations: disconnecting at least the connection with the sub-transport node, and then connecting to a new sub-transport node; maintaining a connection with the main transit node, directly at The switching of the sub-transport node is performed on the existing sub-transport node, which is similar to the inter-cell handover in the case of the single-connection in the related art, does not require the assistance of the main transit node, and does not require the sub-transport node to exit the process;
  • connection with the primary transit node is maintained, and the transition from the existing sub-transport node to another sub-transport node is assisted by the primary transport node. This manner does not require the sub-transport node to exit the process.
  • the primary transmission node reselection (cell handover) process in the multi-connection state includes at least one of the following operations:
  • the primary transit node performs the handover separately, and the child transit node remains connected;
  • the child transit node remains connected, and the child transport node assists the user equipment to complete the switching of the master transport node;
  • the primary transport node and the child transport node simultaneously switch to a pair of new primary transport nodes and sub-transport nodes.
  • the centralized control node controls the primary transit node and the child transit node.
  • the control includes at least one of: primary transmission node selection; sub-transport node selection; multi-connection user equipment selection; multi-connection user equipment identification of access sub-transport nodes; sub-transport node handover of multi-connection user equipment; multi-connection user
  • the child transfer node of the device is disconnected.
  • the control also includes the delivery of at least one of the following information:
  • the primary transit node and/or the subtransport node perform multiple connectivity operations with the user equipment based on the information communicated by the centralized control node.
  • the technical solution provided by the embodiment of the present invention implements the connection between the user equipment and multiple transmission nodes, and solves the problem that the transmission nodes (base stations, terminals, cells, and transmission nodes) of the non-ideal backhaul link cannot be fast. Switching problems. Furthermore, the present invention can also improve the communication performance of the network.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, an OM, a RAM, a disk or an optical disk, and the like, which can store program codes.

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Abstract

本发明实施例公开了一种无线连接方法、设备及计算机存储介质;所述方法包括:主传输节点向用户设备发送连接指示信息,所述连接指示信息用于指示所述用户设备在保持与所述主传输节点当前连接前提下,与至少一个子传输节点建立连接。

Description

无线连接方法、 设备及计算 储介质 技术领域
本发明涉及移动无线通信技术, 尤其涉及一种无线连接方法、 设备及 计算机存储介质。 背景技术
在无线蜂窝通信系统中 , 基站( evolved Node B , eNB或 Base Station , BS )是为用户设备(UE, User Equipment ), 也可称为终端 ( terminal ), 提 供无线接入的设备, 基站与用户设备之间通过电磁波进行无线通信。 一个 基站可能提供一个或多个服务小区 , 无线通信系统通过服务小区可以为一 定地理范围内的终端提供无线覆盖。
无线通信系统为了能够大范围的为用户提供无线通信, 需要部署覆盖 范围大的基站, 这种基站通常称为宏基站( Macro eNB或 Macro BS ), 其服 务小区通常称为宏小区 (Macro Cell )。 另外, 考虑到用户的不同需求和不 同使用环境, 无线通信系统需要在某些环境或者场景下为用户提供弥补覆 盖空洞或提供更高质量的无线通信服务, 因此一些覆盖范围小、 发射功率 较低的小型基站被采用。 这些小型基站包括微基站( Pico eNB或 Pico BS ) 和仔基站( Femto eNB或 Femto BS ),其中仔基站也可以称为家庭基站( Home NB, HNB或 Home eNB, HeNB )、 毫微微基站或飞基站, 微基站提供的小 区称为微小区( pico cell ),仔基站提供的小区称为毫微微小区( femto cell )。 与小型基站对应的节点又称为低功率节点 (LPN, Low Power Node ), 这些 节点对应的小区又称为小小区 (small cell )。 上述宏基站、 小型基站、 微基 站和仔基站可以统称为传输节点 (TP, Transmission Point )0
当宏基站和微基站、 微基站和微基站、 或宏基站和宏基站之间采用理 想的回传 ( Ideal- backhaul )链路连接时, 基站之间可以实现快速的切换。 例如, 当宏基站和微基站之间采用理想的回传 ( Ideal- backhaul )链路连接 时, 微基站可以看作是宏基站的 "虚拟分布式天线", 对于接入微基站的用 户设备, 也可以看作接入了宏站, 也可以认为, 用户设备在采用理想的回 传 ( Ideal-backhaul )链路连接的宏基站和微基站之间可以实现快速的切换。
然而, 在有些情况下, 例如环境因素或成本因素限制, 基站之间只能 采用非理想的回传 ( Ideal-backhaul ) 链路连接, 当用户设备在采用非理想 的回传链路连接的基站之间切换时, 由于基站之间数据传输的时延问题, 导致用户设备不能在所述基站之间快速切换, 影响了用户设备的性能。 特 别是对于小小区较多的场景, 这种非理想的回传链路连接的基站之间切换 概率更高 , 不能快速切换对用户设备性能的影响更大。 发明内容
本发明实施例提供一种无线连接方法、 设备及计算机存储介质, 可以 实现用户设备在非理想的回传链路的基站之间进行快速切换。
本发明实施例的技术方案是这样实现的:
本发明实施例提供一种无线连接方法, 所述方法包括:
主传输节点向用户设备发送连接指示信息, 所述连接指示信息用于指 示所述用户设备在保持与所述主传输节点当前连接前提下, 与至少一个子 传输节点建立连接。
本发明实施例提供一种无线连接方法, 所述方法包括:
用户设备接收主传输节点发送的连接指示信息;
根据所述连接指示信息在保持与所述主传输节点当前连接前提下 , 与 至少一个子传输节点建立连接。
本发明实施例提供一种无线连接方法, 所述方法包括:
子传输节点根据用户设备的接入信息识别接入的用户设备, 其中, 所 述接入的用户设备包括单连接的用户设备和 /或多连接的用户设备。
本发明实施例提供一种无线连接方法, 所述方法包括:
集中控制节点对主传输节点和子传输节点进行多连接控制。
本发明实施例提供一种传输节点, 所述传输节点包括:
发送单元, 配置为向用户设备发送连接指示信息, 所述连接指示信息 配置为指示所述用户设备在保持与所述主传输节点当前连接前提下, 与至 少一个子传输节点建立连接。
本发明实施例提供一种用户设备, 所述用户设备包括:
接收单元, 配置为接收主传输节点发送的连接指示信息;
连接单元, 配置为根据所述连接指示信息在保持与所述主传输节点当 前连接前提下, 与至少一个子传输节点建立连接。
本发明实施例提供一种传输节点, 所述传输节点包括:
存储单元, 配置为存储用户设备的接入信息;
识别单元, 配置为根据所述用户设备的接入信息识别接入的用户设备; 其中, 所述接入的用户设备包括单连接的用户设备和 /或多连接的用户 设备。
本发明实施例提供一种节点, 所述节点包括控制单元, 配置为点对主 传输节点和子传输节点进行多连接控制。
本发明实施例提供一种计算机存储介质, 所述计算机存储介质中存储 有计算机可执行指令, 所述计算机可执行指令配置为执行以上所述的任一 无线连接方法。
由上可知, 本发明实施例的技术方案包括: 主传输节点向用户设备发 送连接指示信息, 所述连接指示信息用于指示所述用户设备在保持与所述 主传输节点当前连接前提下, 与至少一个子传输节点建立连接。 用户设备 接收主传输节点发送的连接指示信息; 所述用户设备根据所述连接指示信 息在保持与所述主传输节点当前连接前提下 , 与至少一个子传输节点建立 连接。 由此, 通过使用户设备同时接入到多个采用非理想的回传链路的传 输节点 , 本发明可以实现用户设备在非理想的回传链路的基站之间进行快 速切换。 此外, 本发明实施例也可以提高网络的通信性能。 附图说明
图 1为本发明实施例提供的无线连接方法的实现流程图一;
图 2为本发明实施例提供的无线连接方法的实现流程图二;
图 3为本发明实施例提供的无线连接方法的实现流程图三;
图 4为本发明实施例提供的无线连接方法的实现流程图四;
图 5为本发明实施例提供的传输节点的结构示意图;
图 6为本发明实施例提供的用户设备的结构示意图;
图 7为本发明实施例提供的传输节点的结构示意图。 具体实施方式
下面结合附图及具体实施例对本发明作进一步详细说明。
本发明实施例提供一种无线连接方法, 所述方法包括:
主传输节点向用户设备发送连接指示信息, 所述连接指示信息用于指 示所述用户设备在保持与所述主传输节点当前连接前提下 , 与至少一个子 传输节点建立连接。
这里, 所述主传输节点包括: 1 ) 主服务小区对应的节点; 2 ) 任意一 个已连接的传输节点都可以被选择为主传输节点;
所述子传输节点选择包括: 1 )主传输节点的小区服务列表中的传输节 点; 2 ) 集中控制节点所属的传输节点中选择; 3 ) UE自主检测到的传输节 点;
所述传输节点也可以看作基站, 或者, 看作服务小区, 如: 主传输节 点对应于主服务小区, 子传输节点对应于辅主服务小区 , 所述子传输节点 是可以独立调度和独立接收用户设备反馈的传输节点或服务小区, 不同于 载波聚合场景下的辅服务小区; 或者, 主传输节点对应于宏基站(宏小区), 子传输节点对应于微基站 (小小区) 等;
另外, 所述多连接也可以是针对特定业务(服务) 的连接, 不同业务 对应不同传输节点, 不同业务对应不同的连接; 或者, 不区分业务的连接。
较佳地, 所述方法还包括:
主传输节点获取子传输节点的相关信息 , 将在所获取的子传输节点的 相关信息中选定的子传输节点的相关信息发送给所述用户设备。
这里, 选定的子传输节点的相关信息可以和连接指示信息放置在一个 信息里传输给用户设备, 也可以各自单独传输给用户设备。
较佳地, 所述方法还包括:
所述主传输节点通过所述用户设备获取所述子传输节点的基本信息, 并根据预定义信息选择子传输节点, 所述预定义信息包括所述基本信息; 或者,
主传输节点获取子传输节点的相关信息, 根据预定义信息在所述子传 输节点中选定子传输节点, 其中, 所述预定义信息包括所述子传输节点相 关信息。
这里, 所述第一预定义信息可以同时包括所述子传输节点的基本信息、 以及所述子传输节点的相关信息; 所述第二预定义信息可以同时包括所述 子传输节点的基本信息、 以及所述子传输节点的相关信息。
较佳地, 主传输节点获取子传输节点的相关信息, 包括:
主传输节点与所述子传输节点进行交互, 获得所述子传输节点的相关 信息; 或者,
主传输节点通过集中控制节点获得所述子传输节点的相关信息。 较佳地, 所述方法还包括: 所述主传输节点接收所述用户设备发送的 子传输节点断开请求。
较佳地, 所述方法还包括: 所述主传输节点执行以下操作之一:
向所述用户设备发送子传输节点重选指示信息; 向所述用户设备发送 子传输节点重选辅助信息; 向所述用户设备发送主传输节点重选指示信息; 向所述用户设备发送子传输节点断开指示信息或向所述用户设备发送子传 输节点断开请求的确认信息, 其中,
所述子传输节点重选指示信息用于指示所述用户设备重新选择子传输 节点; 所述子传输节点重选辅助信息用于辅助用户设备进行子传输节点重 选; 所述主传输节点重选指示信息用于指示所述用户设备重新选择主传输 节点; 所述子传输节点断开指示信息用于指示所述用户设备与目标的子传 输节点断开连接; 所述子传输节点断开请求的确认信息用于所述传输节点 接收到所述子传输节点断开请求后返回的确认信息。
这里重选也可以看作是切换, 即: 从一个传输节点切换到另一个传输 节点, 或者, 从一个服务小区切换到另一个服务小区。
图 1 为本发明实施例提供的一种无线连接方法的实现流程图, 如图 1 所示, 包括以下步骤:
步骤 101 , 主传输节点向用户设备发送连接指示信息, 所述连接指示信 息配置为指示所述用户设备在保持与所述主传输节点当前连接前提下, 与 所述主传输节点选定的子传输节点建立连接。
这里, 选定的子传输节点的数量可以是一个, 也可以是多个。
在实际应用中, 当选定的子传输节点为多个时, 用户设备也可以从选 定的子传输节点中选取一个子传输节点进行连接。
步骤 102, 主传输节点获取子传输节点的相关信息和 /或所述子传输节 点的基本信息。 优选地, 主传输节点获取子传输节点的相关信息, 包括: 所述主传输节点与子传输节点分别进行交互, 获得子传输节点的相关 信息; 或者,
所述主传输节点通过集中控制节点获得子传输节点的相关信息。
优选地, 主传输节点获取子传输节点的基本信息, 包括: 所述主传输 节点通过所述用户设备获取子传输节点的基本信息;
这里, 所述集中控制节点是相对主传输节点和子传输节点更高层次的 控制节点或者是无线管理单元(MME, Mobility Management Entity ); 当所 述主传输节点通过所述用户设备获取子传输节点的基本信息时, 主传输节 点可以根据 UE下行测量到基本信息来进行子传输节点选择,从而,保证子 传输节点到所述用户设备的下行传输。
这里, 当主传输节点与子传输节点分别进行交互, 获得子传输节点的 相关信息时, 或者主传输节点通过集中控制节点获得子传输节点的相关信 息时, 主传输节点可以根据子传输节点对于用户设备上行信号的测量来进 行子传输节点选择, 并利用上行信道来估算下行信道, 或者, 主传输节点 可以根据路损值直接进行子传输节点选择; 这就使用户设备不需要进行子 传输节点测量和反馈, 减少了用户设备的复杂度, 同时可以保证用户设备 到子传输节点的上行传输。
其中, 主传输节点与子传输节点交互的信息包括以下至少之一: 子传 输节点的系统配置信息; 子传输节点根据所述用户设备上行信号测得的上 行定时偏差; 子传输节点根据所述用户设备上行信号测得的上行路损、 上 行功率值、 频点信息、 小区标识(cell ID )、 用户专有配置信息。
其中, 主传输节点与子传输节点交互获得的相关信息, 或主传输节点 通过集中控制节点获得子传输节点的相关信息具体包括以下至少之一: 频 点信息; 小区标识; 系统消息; 用户专有配置信息; 上行定时调整量; 已 连接的用户设备数量; 是否支持多连接; 这样, 用户设备可以在与所述子 传输节点下行同步后, 直接盲检测下行控制信息, 与所述子传输节点进行 数据交互; 从而用户设备可以根据所述相关信息快速的与另一个传输节点 建立连接进行数据交互, 加快了对于新传输节点的系统消息获取过程, 以 及上行同步过程。
这里, 所述用户设备可以根据频点信息, 在所述频点上自主选择子传 输节点接入; 所述用户设备接入一个新的子传输节点。 这样, 可以简化多 连接的建立流程, 减少主传输节点和子传输节点之间的交互。 在实际应用 中, 所述用户设备还可以根据频点信息和小区标识, 在所述频点上选择小 区标识对应的子传输节点接入。 这样, 可以减少由于用户设备自主选择子 传输节点导致的复杂度, 便于集中管理。
其中, 所述系统消息包括以下至少之一: 所述传输节点的物理随机接 入信道(PRACH, Physical Random Access Channel ) 配置信息; 下行系统 带宽; 上行频点; 上行系统带宽; 双工制式; 上下行配比信息; 多播 /组播 单频网终 ( MBSFN, Multicast Broadcast Single Frequency Network )子帧配 置信息; 其他系统信息块的发送指示信息; 传输上行探测参考信号(SRS, Sounding Reference Signal ) 的子帧配置信息; 物理混合重传指示信道 信息。
其中, 所述用户专有配置信息包括以下至少之一: 物理上行链路控制 信道( PUCCH, Physical Uplink Control Channel ) 资源起始位置配置信息; 上行功率控制参数信息; 增强型物理下行控制信道(ePDCCH , Enhanced Download Control Channel )相关配置信息。
步骤 103 , 主传输节点根据获取的子传输节点的相关信息和 /或基本信 息选定子传输节点。 步骤 104,主传输节点将选定的子传输节点的相关信息发送给所述用户 设备。
优选地, 所述方法还包括:
所述主传输节点向所述用户设备发送子传输节点重选指示信息或主传 输节点重选指示信息, 所述子传输节点重选指示信息用于指示所述用户设 备重新选择子传输节点; 所述主传输节点重选指示信息用于指示所述用户 设备重新选择主传输节点。
这里, 重选也可以看作是切换, 即: 从一个传输节点切换到另一个传 输节点, 或者, 从一个服务小区切换到另一个服务小区。
本发明实施例还提供一种无线连接方法, 如图 2所示, 包括以下步驟: 步驟 201 , 用户设备接收主传输节点发送的连接指示信息。
步驟 202,所述用户设备根据所述连接指示信息在保持与所述主传输节 点当前连接前提下, 与至少一个子传输节点建立连接。
这里, 与用户设备建立连接的子传输节点可以重新给所述用户设备分 配用户专有物理层标识, 即小区无线网络临时标识 ( C-RNTL Cell Radio Network Temporary Identifier ); 或者, 所述用户设备在与所述子传输节点进 行上行同步过程中会上报所述用户设备在主传输节点的 C-RNTI; 或者, 所 述用户设备在与所述子传输节点进行上行同步过程中会上报预先分配的其 在该子传输节点使用的 C-RNTL
由更高层次传输节点对于同时接入主传输节点和子传输节点的用户设 备进行管理; 或者, 子传输节点根据所述用户设备的媒体访问控制地址 ( MAC, Media Access Control Address ), 确认所述用户设备的多连接身份; 或者, 子传输节点根据所述用户设备的专有资源 (主传输节点对应小区的 标识 ID、 所述用户设备的唯一标识码、 集中控制节点分配的标识信息、 或 多连接标识信令), 确认所述用户设备的多连接身份。 优选地, 所述方法还包括:
用户设备接收主传输节点发送的子传输节点相关信息, 根据所述子传 输节点相关信息, 与所述子传输节点建立连接。
优选地, 所述方法还包括: 所述用户设备对子传输节点进行测量获取 子传输节点的基本信息, 并上报给主传输节点。
这里, 上报的子传输节点的数量可以为一个或多个, 例如 3个或 6个。 用户设备测量得到子传输节点的基本信息可以包括: 小区标识和传输 节点对应的参考信号接收功率 ( RSRP, Reference Signal Receiving Power )。
例如, 所述用户设备可以检测以下信号至少之一: 各子传输节点对应 的同步信道; 各子传输节点对应的小区专有参考信号 (CRS , Cell-specific reference signals ); 各子传输节点对应的小区发现信号 ( DS Discovery signals ); 通过对这些信号的测量获得子传输节点对应的基本信息, 如: 小 区标识以及 RSRP, 选择相应的子传输节点进行上报。
优选地, 所述用户设备连接的子传输节点或所述用户设备测量的子传 输节点包括以下至少之一:
集中控制节点指定的子传输节点;
主传输节点指定的子传输节点;
所述用户设备自主选择的子传输节点。
优选地, 所述方法还包括:
用户设备接收主传输节点发送的子传输节点重选指示信息;
按照以下方式至少之一进行子传输节点重选:
所述用户设备保持与主传输节点的连接, 退出与当前子传输节点的连 接, 选择一个新子传输节点并连接;
所述用户设备保持与主传输节点的连接 , 直接在现有子传输节点上进 行子传输节点的切换; 所述用户设备保持与主传输节点的连接 , 通过主传输节点辅助完成从 现有子传输节点切换到另一个子传输节点。
这里, 采用直接在现有子传输节点上进行子传输节点的切换的方式进 行子传输节点的重新选择, 类似于相关技术中的单连接情况下的小区间切 换, 不需要主传输节点辅助, 不需要子传输节点退出过程。
通过主传输节点辅助完成从现有子传输节点切换到另一个子传输节点 的方式进行子传输节点的重新选择, 也不需要进行子传输节点退出过程。
优选地, 所述方法还包括:
所述用户设备接收主传输节点发送的主传输节点重选指示信息; 按照以下方式至少之一进行主传输节点重选:
所述用户设备退出与当前子传输节点的连接, 进行主传输节点的切换; 所述用户设备保持与当前子传输节点的连接, 进行主传输节点的切换; 所 述用户设备保持与当前子传输节点的连接, 子传输节点辅助用户设备完成 主传输节点的切换; 使主传输节点和子传输节点同时切换到一对新的主传 输节点和子传输节点上。
在实际应用中, 用户设备还可以自主发出子传输节点重选指示信息或 主传输节点重选指示信息给子传输节点或主传输节点, 待子传输节点或主 传输节点确认后, 执行传输节点重选的操作。
优选地, 当用户设备断开与目标子传输节点的连接时, 可以采用以下 方式之一:
用户设备接收主传输节点发送的子传输节点断开指示信息, 断开与目 标子传输节点的连接; 用户设备接收子传输节点发送的子传输节点断开指 示信息; 断开与目标子传输节点的连接; 用户设备向主传输节点或子传输 节点发送子传输节点断开请求, 待主传输节点或子传输节点确认后, 断开 与目标子传输节点的连接; 用户设备向主传输节点或子传输节点发送子传 输节点断开请求, 然后断开与目标子传输节点的连接。
本发明实施例还提供一种无线连接方法, 如图 3所示, 包括以下步骤: 步驟 301 , 子传输节点根据用户设备的接入信息识别接入的用户设备; 其中,所述接入的用户设备包括单连接的用户设备和 /或多连接的用户设备。
较佳地, 所述用户设备的接入信息包括以下至少之一:
所述用户设备在主传输节点中使用的 C-RNTI; 主传输节点对应小区的 标识 ID; 所述用户设备的唯一标识码(如 IMSI、 IMEI )、 集中控制节点分 配的标识信息、 所述用户设备的专有资源; 所述用户设备的多连接标识信 令; 所述用户设备在子传输节点中使用的 C-RNTL
这里, 所述专有资源包括特定上行同步信道资源, 所述特定上行同步 信道资源包括: 特定时频资源和 /或特定序列。
这里 , 所述接入信息可以在所述用户设备接入子传输节点过程中获得 , 也可以在所述用户设备接入子传输节点后获得。
较佳地, 所述方法还包括:
所述子传输节点向主传输节点传输自身的相关信息; 和 /或, 获取主传 输节点传输的所述多连接用户设备的接入信息。
较佳地, 所述方法还包括:
所述子传输节点辅助接入的多连接用户设备完成主传输节点的切换。 较佳地, 所述方法还包括: 所述子传输节点执行以下操作之一: 所述子传输节点向接入的多连接用户设备发送子传输节点断开指示信 息, 所述子传输节点断开指示信息用于指示所述用户设备与指定的子传输 节点断开连接; 所述子传输节点接收所述多连接用户设备的子传输节点断 开请求, 并返回确认信息; 所述子传输节点接收所述多连接用户设备的子 传输节点断开请求。
本发明实施例还提供一种无线连接方法, 如图 4所示, 包括以下步骤: 步骤 401 , 集中控制节点对主传输节点和子传输节点进行多连接控制。 较佳地, 所述进行多连接控制为: 对以下至少之一进行控制: 主传输节点选择; 子传输节点选择; 多连接用户设备选择; 接入子传 输节点的多连接用户设备识别; 多连接用户设备的子传输节点切换; 多连 接用户设备的子传输节点断开。
较佳地, 所述进行多连接控制包括: 对以下信息至少之一的传递进行 控制:
主传输节点选择信息; 子传输节点选择信息; 子传输节点相关信息; 多连接用户设备选择信息; 接入子传输节点的多连接用户设备识别信息; 多连接用户设备的子传输节点切换信息; 多连接用户设备的子传输节点断 开信息。
本发明实施例还提供一种计算机存储介质 , 所述计算机存储介质中存 储有计算机可执行指令, 所述计算机可执行指令配置为执行图 1至图 4任 一附图所示的无线连接管理方法。
本发明实施例还提供一种传输节点, 如图 5所示, 所述传输节点包括: 发送单元 501, 配置为向用户设备发送连接指示信息, 所述连接指示信 息配置为指示所述用户设备在保持与所述主传输节点当前连接前提下, 与 至少一个子传输节点建立连接。
这里, 选定的子传输节点的数量可以是一个, 也可以是多个。
较佳地, 所述传输节点还包括: 获取单元 502, 配置为获取子传输节点 的相关信息;
相应的, 所述发送单元 501 ,还配置为将在所述获取的子传输节点的相 关信息中选定的子传输节点的相关信息发送给所述用户设备。
优选地, 所述传输节点还包括选择单元 503, 配置为通过所述用户设备 获取所述子传输节点的基本信息, 并根据预定义信息选择子传输节点, 所 述预定义信息包括所述基本信息; 或者,
根据预定义信息选择子传输节点 , 所述预定义信息包括获取单元获取 的子传输节点的相关信息。
优选地, 所述获取单元 502, 配置为与所述子传输节点进行交互 , 获得 所述子传输节点的相关信息; 或者,
通过集中控制节点获得所述子传输节点的相关信息。
较佳地, 所述传输节点还包括接收单元 504, 配置为接收所述用户设备 发送的子传输节点断开请求。
优选地, 所述发送单元 501 , 还配置为执行以下操作之一: 向所述用户 设备发送子传输节点重选指示信息; 向所述用户设备发送子传输节点重选 辅助信息; 向所述用户设备发送主传输节点重选指示信息; 向所述用户设 备发送子传输节点断开指示信息; 向所述用户设备发送子传输节点断开请 求的确认信息; 其中,
所述子传输节点重选指示信息用于指示所述用户设备重新选择子传输 节点; 所述子传输节点重选辅助信息用于辅助用户设备进行子传输节点重 选; 所述主传输节点重选指示信息用于指示所述用户设备重新选择主传输 节点; 所述子传输节点断开指示信息用于指示所述用户设备与目标的子传 输节点断开连接; 所述子传输节点断开请求的确认信息用于所述传输节点 接收到所述子传输节点断开请求后返回的确认信息。
在实际应用中, 上述传输节点中的各单元可以由传输节点中的中央处 理器 ( CPU, Central Processing Unit )、数字信号处理器 ( DSP, Digital Signal Processor )或可编程 i£辑阵列 ( FPGA, Field - Programmable Gate Array ) 实现。
本发明实施例提供一种用户设备, 如图 6所示, 所述用户设备包括: 接收单元 601 , 配置为接收主传输节点发送的连接指示信息; 连接单元 602 ,配置为根据所述连接指示信息在保持与所述主传输节点 当前连接前提下, 与至少一个子传输节点建立连接。
优选地, 所述接收单元 601,还配置为接收主传输节点发送的子传输节 点相关信息;
所述连接单元 602, 配置为根据所述子传输节点相关信息, 与所述子传 输节点建立连接。
较佳地, 所述用户设备还包括: 测量单元 603 , 配置为对子传输节点进 行测量获取子传输节点的基本信息 , 并上报给所述主传输节点。
这里, 上报的子传输节点的数量可以为一个或多个, 例如 3个或 6个; 所述相关信息可以包括: 小区标识和传输节点对应 RSRP值;
较佳地, 所述用户设备连接的子传输节点或所述用户设备测量的子传 输节点包括以下至少之一:
集中控制节点指定的子传输节点;
主传输节点指定的子传输节点;
所述用户设备自主选择的子传输节点。
优选地, 所述接收单元 601 ,还配置为接收主传输节点发送的子传输节 点重选指示信息;
所述用户设备还包括子传输节点重选单元 604,配置为按照以下方式至 少之一进行子传输节点重选:
保持与主传输节点的连接, 退出与当前子传输节点的连接, 选择一个 新子传输节点并连接;
保持与主传输节点的连接, 直接在现有子传输节点上进行子传输节点 的切换;
保持与主传输节点的连接 , 通过主传输节点辅助完成从现有子传输节 点切换到另一个子传输节点。 较佳地, 所述接收单元 601,还配置为接收主传输节点发送的主传输节 点重选指示信息;
所述用户设备还包括主传输节点重选单元 605 ,配置为按照以下方式至 少之一进行主传输节点重选:
退出与当前子传输节点的连接, 进行主传输节点的切换; 保持与当前 子传输节点的连接, 进行主传输节点的切换; 保持与当前子传输节点的连 接, 子传输节点辅助用户设备完成主传输节点的切换; 主传输节点和子传 输节点同时切换到一对新的主传输节点和子传输节点上。
较佳地, 所述用户设备还包括触发单元 606、 断开单元 607、 发送单元 608, 所述触发单元 606, 配置为触发所述接收单元 601接收所述主传输节 点发送的子传输节点断开指示信息, 接收子传输节点发送的子传输节点断 开指示信息, 触发所述断开单元 607根据所述接收单元接收到的指示信息 断开与目标子传输节点的连接;
所述触发单元 606还配置为触发所述发送单元 608向所述主传输节点 或子传输节点发送子传输节点断开请求, 在所述接收单元 601 接收到所述 主传输节点或所述子传输节点的确认信息后, 触发所述断开单元 607断开 与所述目标子传输节点的连接;
所述触发单元 606还配置为触发所述发送单元 608向所述主传输节点 或所述子传输节点发送子传输节点断开请求, 并触发所述断开单元 607直 接断开与所述目标子传输节点的连接。
在实际应用中, 上述用户设备中的各单元可以由用户设备中的 CPU、 DSP或 FPGA实现。
本发明实施例还提供一种传输节点, 如图 7所示, 所述传输节点包括: 存储单元 701, 配置为存储用户设备的接入信息;
识别单元 702 , 配置为根据用户设备的接入信息识别接入的用户设备, 其中 ,所述接入的用户设备包括单连接的用户设备和 /或多连接的用户设备。 较佳地, 所述用户设备的接入信息包括以下至少之一:
所述用户设备在主传输节点中使用的 C- RNTI、主传输节点对应小区的 标识 ID; 所述用户设备的唯一标识码 (如 IMSI、 IMEI ); 集中控制节点分 配的标识信息; 所述用户设备的专有资源; 所述用户设备的多连接标识信 令; 所述用户设备在子传输节点中使用的 C- RNTL
这里, 所述专有资源包括特定上行同步信道资源, 所述特定上行同步 信道资源包括: 特定时频资源和 /或特定序列。
这里 , 所述接入信息可以在所述用户设备接入子传输节点过程中获得 , 也可以在所述用户设备接入子传输节点后获得。
较^ έ地, 所述传输节点还包括: 信息处理单元 703 , 配置为向主传输节 点传输自身的相关信息; 和 /或, 获取主传输节点传输的所述多连接用户设 备的接入信息。
较佳地, 所述传输节点还包括: 辅助单元 704, 配置为辅助接入的多连 接用户设备完成主传输节点的切换。
较佳地, 所述信息处理单元 703 , 还配置为执行以下操作之一: 向接入 的多连接用户设备发送子传输节点断开指示信息, 所述子传输节点断开指 示信息用于指示所述用户设备与指定的子传输节点断开连接; 接收所述多 连接用户设备的子传输节点断开请求, 并返回确认信息; 接收所述多连接 用户设备的子传输节点断开请求。
在实际应用中, 上述传输节点中的各单元可以由传输节点中的 CPU、 DSP或 FPGA实现。
本发明实施例还提供一种节点, 所述节点包括控制单元 801 , 配置为对 主传输节点和子传输节点进行多连接控制。
较佳地, 所述控制单元 801 , 还配置为对以下至少之一进行控制: 主传输节点选择; 子传输节点选择; 多连接用户设备选择; 接入子传 输节点的多连接用户设备识别; 多连接用户设备的子传输节点切换; 多连 接用户设备的子传输节点断开。
较佳地, 所述控制单元 801 ,还配置为对以下至少之一信息的传递进行 控制:
主传输节点选择信息; 子传输节点选择信息; 子传输节点相关信息; 多连接用户设备选择信息; 接入子传输节点的多连接用户设备识别信息; 多连接用户设备的子传输节点切换信息; 多连接用户设备的子传输节点断 开信息。
在实际应用中 ,上述节点中的控制单元 801可以由节点中的 CPU、 DSP 或 FPGA实现。
所述主传输节点包括: 1 )主服务小区对应的节点; 2 )任意一个已连 接的传输节点都可以被选择为主传输节点;
所述子传输节点选择包括: 1 )主传输节点的小区服务列表中的传输节 点; 2 )集中控制节点所属的传输节点中选择; 3 ) UE自主检测到的传输节 点;
所述传输节点也可以看作基站, 或者, 看作服务小区, 如: 主传输节 点对应于主服务小区, 子传输节点对应于辅主服务小区, 所述子传输节点 是可以独立调度和独立接收用户设备反馈的传输节点或服务小区, 不同于 载波聚合场景下的辅服务小区; 或者, 主传输节点对应于宏基站(宏小区), 子传输节点对应于微基站(小小区)等;
另外, 所述多连接也可以是针对特定业务(服务) 的连接, 不同业务 对应不同传输节点, 不同业务对应不同的连接; 或者, 不区分业务的连接。
综上所述, 本发明通过使用户设备同时接入到多个采用非理想的回传 链路的传输节点, 可以实现用户设备在非理想的回传链路的基站之间进行 快速切换。
下面结合具体实施例对本发明进行说明。
具体实施例一
主传输节点发送指示信息 , 用于指示用户设备在保持当前连接前提下 , 建立另一个连接。
本实施例中用户设备反馈子传输节点基本信息, 主传输节点选择子传 输节点。
所述用户设备在获得指示信息后进行测量, 上报所要建立连接的子传 输节点信息。 或者, 所述用户设备根据主传输节点的配置信息, 开始测量 子传输节点, 将测量结果上报给主传输节点, 主传输节点选定子传输节点 后, 向用户设备发送指示信息,
其中, 所述用户设备测量的子传输节点可由集中控制节点指定、 由主 传输节点指定、 或者由用户设备自主选择。
所述上报的传输节点信息包括: 小区标识、 传输节点对应的 RSRP值、 传输节点对应的参考信号接收盾量 ( RSRQ , Reference Signal Received Quality )值等。
例如, 所述用户设备可以测量各子传输节点对应的以下之一: 同步信 道; CRS; DS; 通过测量结果获得子传输节点对应小区标识以及 RSRP, 选 择最好的子传输节点进行上报。
所述上报的传输节点数量可以是一个,也可以是多个,如: 3个或 6个。 所述主传输节点接收所述用户设备上报的子传输节点基本信息, 主传 输节点选择子传输节点发送给所述用户设备。
主传输节点可以综合考虑各种条件, 如: 各子传输节点接入的用户设 备数量, 各子传输节点的分布情况等, 在用户设备上报的子传输节点中选 择, 也可以另外选择一个较优的子传输节点。 本实施例的有益效果在于,主传输节点可以才艮据 UE下行测量来进行子 传输节点选择, 从而, 保证子传输节点到所述用户设备的下行传输, 同时, 也增加了用户设备选择特性。
具体实施例二
主传输节点发送指示信息, 用于指示用户设备在保持当前连接前提下, 建立另一个连接。
本实施例中主传输节点选择子传输节点, 用户设备在建立子传输节点 连接前, 不需要反馈子传输节点信息。
主传输节点先与子传输节点进行交互, 获得子传输节点的相关信息; 或者, 主传输节点也可以通过集中控制节点获得子传输节点的相关信息。
其中, 所述交互的信息包括以下至少之一: 子传输节点的系统配置信 息; 子传输节点根据所述用户设备上行信号测得的上行定时偏差; 子传输 节点根据所述用户设备上行信号测得的上行路损或上行功率值; 频点信息; 小区标识; 用户专有配置信息; 已连接的用户设备数量; 是否允许接入多 连接用户设备。
所述传输节点除了发送指示信息外, 还可以发送以下信息: 所述另一 个连接对应的传输节点的相关信息; 其中, 所述相关信息可以包括以下至 少之一: 频点信息; 小区标识; 系统消息; 用户专有配置信息; 上行定时 调整量。
所述另一个连接对应的传输节点可以是一个, 也可以是多个(一个集 合, 具体选择哪一个传输节点接入, 由用户设备自己选择), 如: 3 个或 6 个。
所述系统消息包括以下至少之一: 所述传输节点的 PRACH配置信息; 下行系统带宽; 上行频点; 上行系统带宽; 双工制式; 上下行配比信息; MBSFN子帧配置信息、 其他系统信息块的发送指示信息、 传输 SRS的子 帧配置信息;
所述用户专有配置信息包括以下至少之一: PUCCH资源起始位置配置 信息; 上行功率控制参数信息; ePDCCH 相关配置信息; 所述用户设备在 子传输节点中使用的 C-RNTI 信息; 所述用户设备在子传输节点中使用的 PRACH资源信息; 所述 PRACH资源信息包括时频位置和序列信息。
本实施例的有益效果在于, 用户设备不需要进行子传输节点测量和反 馈, 减少了终端的复杂度, 主传输节点可以根据子传输节点对于用户设备 上行信号的测量来进行子传输节点选择, 如: 利用上行信道来估算下行信 道, 或者, 根据路损值直接进行子传输节点选择, 可以保证所述用户设备 到子传输节点的上行传输, 或者, 才艮据子传输节点的分布情况和子传输节 点已接入用户设备数量等因素直接选择子传输节点。
具体实施例三
主传输节点发送指示信息 , 用于指示用户设备在保持当前连接前提下 , 建立另一个连接; 所述主传输节点除了发送指示信息外, 还发送的信息包 括: 所述另一个连接对应的子传输节点的相关信息, 所述相关信息中包括 频点信息 , 与子传输节点对应的小区标识信息和系统配置信息。
此时, 所述用户设备根据频点信息, 在所述频点上自主选择子传输节 点接入。
所述用户设备在子传输节点的接入过程包括: 在子传输节点的频点上 搜索下行同步信号, 选择信号最好的子传输节点进行同步, 再获取所述子 传输节点的系统配置信息, 发起上行同步, 完成用户设备与所述子传输节 点的上行同步。
在所述用户设备与所述子传输节点的上行同步过程中, 所述子传输节 点会重新给所述用户设备分配 C-RNTI,
由更高层次传输节点 (如: 集中控制节点、 无线管理单元)对于同时 接入主传输节点和子传输节点的用户设备进行管理, 或者, 子传输节点根 据已获得多连接用户设备信息和所述用户设备的唯一标识, 确认其多连接 身份。
本实施例的有益效果在于简化了多连接的建立流程, 减少主传输节点 和子传输节点之间的交互。
具体实施例四
主传输节点发送指示信息 , 用于指示用户设备在保持当前连接前提下, 建立另一个连接; 所述主传输节点除了发送指示信息外, 还可以发送的信 息包括: 所述另一个连接对应的子传输节点的相关信息; 所述相关信息中 包括频点信息和小区标识信息, 所述用户设备根据频点信息和小区标识, 在所述频点上选择 d、区标识对应的子传输节点接入。
所述用户设备在子传输节点的接入过程与包括: 在子传输节点的频点 上搜索所述子传输节点对应的下行同步信号 (小区标识信息对应特定的子 传输节点, 小区标识信息对应特定的下行同步信道), 以进行同步, 再获取 所述子传输节点的系统配置信息, 发起上行同步, 完成用户设备与所述子 传输节点的上行同步。
所述用户设备在于所述子传输节点进行上行同步过程中会上报所述用 户设备在主传输节点的 C- RNTI,在子传输节点中仍然使用主传输节点的用 户专有物理层标识; 或者, 在所述用户设备与所述子传输节点的上行同步 过程中, 所述子传输节点会重新给所述用户设备分配 C- R TI, 所述用户设 备在于所述子传输节点进行上行同步过程中不会上报其在主传输节点的 C-RNTL
由更高层次传输节点 (如: 集中控制节点、 无线管理单元)对于同时 接入主传输节点和子传输节点的用户设备进行管理, 或者, 子传输节点根 据已获得多连接用户设备信息和所述用户设备的唯一标识, 确认其多连接 身份, 或者, 子传输节点根据用户设备上报的主传输节点中使用的用户专 有物理层标识, 确认其多连接身份。
本实施例方式的有益效果在于减少了由于用户设备自主选择子传输节 点导致的复杂度, 便于集中管理。
具体实施例五
主传输节点发送指示信息, 用于指示用户设备在保持当前连接前提下, 建立另一个连接; 所述主传输节点除了发送指示信息外, 还可以发送的信 息包括: 所述另一个连接对应的子传输节点的相关信息, 所述相关信息中 包括以下至少之一: 频点信息和小区标识信息; 系统配置信息; 用户专有 配置信息; 上行定时信息。 其中, 所述用户专有配置信息包括以下至少之 一: 承载子传输节点对应的上行控制信息的物理上行控制信道资源配置信 息; 上行控制信道和或上行数据信道的功控信息; 上行参考信号的序列配 置信息; 下行参考信号的序列配置信息; ePDCCH 的配置信息; 子传输节 点分配给用户设备的 C- RNTI信息。
所述用户设备可以在与所述子传输节点下行同步后, 直接盲检测子传 输节点发送的下行控制信息, 根据所述下行控制信息与所述子传输节点进 行上下行数据交互; 或者,
所述用户设备可以在与所述子传输节点下行同步后, 根据用户专有配 置信息中上行同步信道资源信息, 进行上行同步, 在所述用户设备与所述 子传输节点的上行同步过程中, 所述子传输节点会重新给所述用户设备分 配 C- RNTI, 子传输节点根据上行同步信道资源识别用户设备, 确认其多连 接用户设备身份;
或者, 所述用户设备可以在与所述子传输节点下行同步后, 进行上行 同步, 在所述用户设备与所述子传输节点的上行同步过程中, 上报子传输 节点分配的 C- RNTI信息, 子传输节点根据上报的 C- RNTI信息, 确认其多 连接用户设备身份; 或者,
所述用户设备可以在与所述子传输节点下行同步后, 进行上行同步, 在所述用户设备与所述子传输节点的上行同步过程中, 上报主传输节点对 应小区的标识 ID (所述用户设备的唯一标识码、 集中控制节点分配的标识 信息、 多连接标识信令), 子传输节点根据所述用户设备上报的信息, 确认 其多连接用户设备身份。
本实施例中, 用户设备可以根据所述相关信息快速的与另一个传输节 点建立连接进行数据交互 , 减少了对于新传输节点的系统消息获取过程 , 以及上行同步过程, 或者, 可以使得子传输节点更容易识别多连接用户设 备。
具体实施例六
所述多连接的退出过程, 包括以下操作至少之一:
主传输节点指示用户设备断开与子传输节点的连接, 如: 主传输节点 向用户设备发送指示信息 , 该指示信息配置为指示用户设备断开与子传输 节点的连接, 当用户设备连接的子传输节点数量为多个时, 指示信息还包 括断开的子传输节点的标识;
用户设备收到该指示信息后, 可以向主传输节点反馈是否成功收到该 指示信息, 然后在定义的时间间隔后, 不再接收该子传输节点数据, 退出 与该子传输节点的连接;
用户设备收到该指示信息后, 不向主传输节点反馈, 直接在定义的时 间间隔后, 不再接收该子传输节点数据, 退出与该子传输节点的连接。
子传输节点指示用户设备断开与自己的连接, 如: 子传输节点向用户 设备发送指示信息, 该指示信息用于指示用户设备断开与该子传输节点的 连接; 用户设备收到该指示信息后, 可以向子传输节点反馈是否成功该指 示信息, 然后在定义的时间间隔后, 不再接收该子传输节点数据, 退出与 该子传输节点的连接; 用户设备收到该指示信息后, 也可以不向子传输节 点反馈, 直接在定义的时间间隔后, 不再接收该子传输节点数据, 退出与 该子传输节点的连接。
用户设备自主发出断开请求给子传输节点或主传输节点 , 待所述传输 节点确认后, 断开与子传输节点的连接。
具体实施例七
所述多连接状态下的子传输节点重新选择过程 , 包括以下操作至少之 先断开与所述子传输节点的连接, 再连接到一个新子传输节点; 保持与主传输节点的连接, 直接在现有子传输节点上进行子传输节点 的切换, 这种方式类似于相关技术的单连接情况下的小区间切换, 不需要 主传输节点辅助, 不需要子传输节点退出过程;
保持与主传输节点的连接, 通过主传输节点辅助完成从现有子传输节 点切换到另一个子传输节点, 这种方式不需要子传输节点退出过程。
具体实施例八
所述多连接状态下的主传输节点重新选择(小区切换)过程, 包括以 下操作至少之一:
先退出所有子传输节点, 然后, 再进行单节点的切换;
主传输节点单独进行切换, 子传输节点保持连接;
子传输节点保持连接, 子传输节点辅助用户设备完成主传输节点的切 换;
主传输节点和子传输节点同时切换到一对新的主传输节点和子传输节 点上。
具体实施例九
集中控制节点对主传输节点和子传输节点进行控制。 所述控制包括以下至少之一: 主传输节点选择; 子传输节点选择; 多 连接用户设备选择; 接入子传输节点的多连接用户设备识别; 多连接用户 设备的子传输节点切换; 多连接用户设备的子传输节点断开。
所述控制还包括以下信息至少之一的传递:
主传输节点选择信息; 子传输节点选择信息; 子传输节点相关信息; 多连接用户设备选择信息; 接入子传输节点的多连接用户设备识别信息; 多连接用户设备的子传输节点切换信息; 多连接用户设备的子传输节点断 开信息。
主传输节点和 /或子传输节点根据集中控制节点传递的信息, 与用户设 备进行多连接操作。
通过上述实施例说明 , 本发明实施例提供的技术方案实现了用户设备 与多个传输节点连接, 解决了非理想回传链路的传输节点 (基站、 终端、 小区、 传输节点)之间无法快速切换的问题。 此外, 本发明也可以提高网 络的通信性能。
在本发明所提供的几个实施例中, 应该理解到, 所揭露的系统, 装置 和方法, 可以通过其它的方式实现。 例如, 以上所描述的装置实施例仅仅 是示意性的, 例如, 所述模块或单元的划分, 仅仅为一种逻辑功能划分, 实际实现时可以有另外的划分方式, 例如多个单元或组件可以结合或者可 以集成到另一个系统, 或一些特征可以忽略, 或不执行。 另一点, 所显示 或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口, 装 置或单元的间接耦合或通信连接, 可以是电性, 机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的, 作为单元显示的部件可以是或者也可以不是物理单元, 即可以位于一个地 方, 或者也可以分布到多个网络单元上。 可以根据实际的需要选择其中的 部分或者全部单元来实现本实施例方案的目的。 另外 , 在本发明各个实施例中的各功能单元可以集成在一个处理单元 中, 也可以是各个单元单独物理存在, 也可以两个或两个以上单元集成在 一个单元中。 上述集成的单元既可以采用硬件的形式实现, 也可以采用软 件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销 售或使用时, 可以存储在一个计算机可读取存储介质中。 基于这样的理解, 本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方 案的全部或部分可以以软件产品的形式体现出来, 该计算机软件产品存储 在一个存储介质中, 包括若干指令用以使得一台计算机设备(可以是个人 计算机, 服务器, 或者网络设备等)或处理器(processor )执行本发明各个 实施例所述方法的全部或部分步骤。 而前述的存储介质包括: U盘、 移动 硬盘、 OM, RAM, 磁碟或者光盘等各种可以存储程序代码的介盾。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局 限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可 轻易想到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明 的保护范围应以所述权利要求的保护范围为准。

Claims

权利要求书
1、 一种无线连接方法, 所述方法包括:
主传输节点向用户设备发送连接指示信息 , 所述连接指示信息用于指 示所述用户设备在保持与所述主传输节点当前连接前提下, 与至少一个子 传输节点建立连接。
2、 根据权利要求 1所述的方法, 其中, 所述方法还包括:
所述主传输节点获取所述子传输节点的相关信息, 将在所获取的子传 输节点的相关信息中选定的子传输节点的相关信息发送给所述用户设备。
3、 根据权利要求 2所述的方法, 其中, 所述方法还包括:
所述主传输节点通过所述用户设备获取所述子传输节点的基本信息, 并根据第一预定义信息选择子传输节点, 所述第一预定义信息包括所述子 传输节点的基本信息;
或者,
所述主传输节点获取子传输节点的相关信息, 根据第二预定义信息选 定子传输节点, 其中, 所述第二预定义信息包括所述子传输节点相关信息。
4、 根据权利要求 2所述的方法, 其中, 所述主传输节点获取所述子传 输节点的相关信息, 包括:
所述主传输节点与所述子传输节点进行交互, 以获得所述子传输节点 的相关信息; 或者,
所述主传输节点通过集中控制节点获得所述子传输节点的相关信息。
5、 根据权利要求 1所述的传输节点, 其中, 所述方法还包括: 所述主 传输节点接收所述用户设备发送的子传输节点断开请求。
6、 根据权利要求 1至 5任一项所述的传输节点, 其中, 所述方法还包 括: 所述主传输节点执行以下操作之一:
向所述用户设备发送子传输节点重选指示信息; 向所述用户设备发送 子传输节点重选辅助信息; 向所述用户设备发送主传输节点重选指示信息; 向所述用户设备发送子传输节点断开指示信息; 向所述用户设备发送子传 输节点断开请求的确认信息, 其中,
所述子传输节点重选指示信息用于指示所述用户设备重新选择子传输 节点; 所述子传输节点重选辅助信息用于辅助用户设备进行子传输节点重 选; 所述主传输节点重选指示信息用于指示所述用户设备重新选择主传输 节点; 所述子传输节点断开指示信息用于指示所述用户设备与目标的子传 输节点断开连接; 所述子传输节点断开请求的确认信息用于所述传输节点 接收到所述子传输节点断开请求后返回的确认信息。
7、 一种无线连接方法, 所述方法包括:
用户设备接收主传输节点发送的连接指示信息;
根据所述连接指示信息在保持与所述主传输节点当前连接前提下, 与 至少一个子传输节点建立连接。
8、 根据权利要求 7所述的方法, 其中, 所述方法还包括:
接收所述主传输节点发送的子传输节点相关信息, 根据所述子传输节 点相关信息, 与所述子传输节点建立连接。
9、 根据权利要求 7所述的方法, 其中, 所述方法还包括: 对子传输节 点进行测量获取子传输节点的基本信息, 并上报给所述主传输节点。
10、 根据权利要求 7所述的方法, 其中, 所述用户设备连接的子传输 节点或所述用户设备测量的子传输节点包括以下至少之一:
集中控制节点指定的子传输节点;
所述主传输节点指定的子传输节点;
所述用户设备自主选择的子传输节点。
11、 根据权利要求 7所述的方法, 其中, 所述方法还包括:
所述用户设备接收所述主传输节点发送的子传输节点重选指示信息; 按照以下方式至少之一进行子传输节点重选:
保持与主传输节点的连接, 退出与当前子传输节点的连接, 选择一个 新子传输节点并连接;
保持与主传输节点的连接, 直接在现有子传输节点上进行子传输节点 的切换;
保持与主传输节点的连接 , 通过主传输节点辅助完成从现有子传输节 点切换到另一个子传输节点。
12、 根据权利要求 7所述的方法, 其中, 所述方法还包括:
所述用户设备接收主传输节点发送的主传输节点重选指示信息; 按照以下方式至少之一进行主传输节点重选:
退出与当前子传输节点的连接, 进行主传输节点的切换;
保持与当前子传输节点的连接, 进行主传输节点的切换;
保持与当前子传输节点的连接, 以使所述子传输节点辅助用户设备完 成主传输节点的切换;
将主传输节点和子传输节点同时切换到一对新的主传输节点和子传输 节点上。
13、根据权利要求 7至 12任一项所述的方法, 其中, 所述方法还包括: 所述用户设备执行以下操作之一:
接收所述主传输节点发送的子传输节点断开指示信息, 断开与目标子 传输节点的连接, 接收所述子传输节点发送的子传输节点断开指示信息, 断开与目标子传输节点的连接;
向所述主传输节点或所述子传输节点发送子传输节点断开请求, 待所 述主传输节点或子传输节点确认后, 断开与所述目标子传输节点的连接; 向所述主传输节点或所述子传输节点发送子传输节点断开请求, 并断 开与所述目标子传输节点的连接。
14、 一种无线连接方法, 所述方法包括:
子传输节点根据用户设备的接入信息识别接入的用户设备, 其中, 所 述接入的用户设备包括单连接的用户设备和 /或多连接的用户设备。
15、 根据权利要求 14所述的方法, 其中, 所述用户设备的接入信息包 括以下至少之一:
所述用户设备在主传输节点中使用的小区无线网络临时标识 C- RNTI; 主传输节点对应小区的标识 ID; 所述用户设备的唯一标识码; 集中控制节 点分配的标识信息; 所述用户设备的专有资源; 所述用户设备的多连接标 识信令; 所述用户设备在子传输节点中使用的 C- RNTI。
16、 根据权利要求 14所述的方法, 其中, 所述方法还包括: 所述子传输节点向主传输节点传输自身的相关信息; 和 /或, 获取主传 输节点传输的所述多连接用户设备的接入信息。
17、 根据权利要求 14所述的方法, 其中, 所述方法还包括: 所述子传输节点辅助接入的多连接用户设备完成主传输节点的切换。
18、 居权利要求 14至 17任一项所述的方法, 其中, 所述方法还包 括: 所述子传输节点执行以下操作之一:
向接入的多连接用户设备发送子传输节点断开指示信息, 所述子传输 节点断开指示信息用于指示所述用户设备与指定的子传输节点断开连接; 接收所述多连接用户设备的子传输节点断开请求, 并返回确认信息; 接收所述多连接用户设备的子传输节点断开请求。
19、 一种无线连接方法, 所述方法包括:
集中控制节点对主传输节点和子传输节点进行多连接控制。
20、 根据权利要求 19所述的方法, 其中, 所述进行多连接控制包括: 对以下至少之一进行控制:
主传输节点选择; 子传输节点选择; 多连接用户设备选择; 接入子传 输节点的多连接用户设备识别; 多连接用户设备的子传输节点切换; 多连 接用户设备的子传输节点断开。
21、 根据权利要求 19或 20所述的方法, 其中, 所述进行多连接控制 包括: 对以下信息至少之一的传递进行控制:
主传输节点选择信息; 子传输节点选择信息; 子传输节点相关信息; 多连接用户设备选择信息; 接入子传输节点的多连接用户设备识别信息; 多连接用户设备的子传输节点切换信息; 多连接用户设备的子传输节点断 开信息。
22、 一种传输节点, 所述传输节点包括:
发送单元, 配置为向用户设备发送连接指示信息, 所述连接指示信息 配置为指示所述用户设备在保持与所述主传输节点当前连接前提下 , 与至 少一个子传输节点建立连接。
23、 根据权利要求 22所述的传输节点, 其中, 所述传输节点还包括: 获取单元, 配置为获所述取子传输节点的相关信息;
所述发送单元, 还配置为将在所获取的子传输节点的相关信息中选定 的子传输节点的相关信息发送给所述用户设备。
24、 根据权利要求 22所述的传输节点, 其中, 所述传输节点还包括选 择单元, 配置为通过所述用户设备获取所述子传输节点的基本信息, 并根 据预定义信息选择子传输节点, 所述预定义信息包括所述基本信息;
或者, 根据预定义信息选择子传输节点, 所述预定义信息包括所述获 取单元获取的子传输节点的相关信息。
25、 根据权利要求 23所述的传输节点, 其中, 所述获取单元, 还配置 为与所述子传输节点进行交互, 以获得所述子传输节点的相关信息; 或者, 通过集中控制节点获得所述子传输节点的相关信息。
26、 根据权利要求 22所述的传输节点, 其中, 所述传输节点还包括接 收单元, 配置为接收所述用户设备发送的子传输节点断开请求。
27、 根据权利要求 22至 26任一项所述的传输节点, 其中, 所述发送 单元, 还配置为执行以下操作之一:
向所述用户设备发送子传输节点重选指示信息; 向所述用户设备发送 子传输节点重选辅助信息; 向所述用户设备发送主传输节点重选指示信息; 向所述用户设备发送子传输节点断开指示信息; 向所述用户设备发送子传 输节点断开请求的确认信息; 其中,
所述子传输节点重选指示信息用于指示所述用户设备重新选择子传输 节点; 所述子传输节点重选辅助信息用于辅助所述用户设备进行子传输节 点重选; 所述主传输节点重选指示信息用于指示所述用户设备重新选择主 传输节点; 所述子传输节点断开指示信息用于指示所述用户设备与目标的 子传输节点断开连接; 所述子传输节点断开请求的确认信息用于所述传输 节点接收到所述子传输节点断开请求后返回的确认信息。
28、 一种用户设备, 所述用户设备包括:
接收单元, 配置为接收主传输节点发送的连接指示信息;
连接单元, 配置为根据所述连接指示信息在保持与所述主传输节点当 前连接前提下, 与至少一个子传输节点建立连接。
29、 根据权利要求 28所述的用户设备, 其中, 所述接收单元, 还配置 为接收主传输节点发送的子传输节点相关信息;
所述连接单元, 配置为根据所述子传输节点相关信息, 与所述子传输 节点建立连接。
30、 根据权利要求 28所述的用户设备, 其中, 所述用户设备还包括: 测量单元, 配置为对子传输节点进行测量获取子传输节点的基本信息, 并上艮给所述主传输节点。
31、 根据权利要求 28所述的用户设备, 其中, 所述用户设备连接的子 传输节点或所述用户设备测量的子传输节点包括以下至少之一:
集中控制节点指定的子传输节点;
主传输节点指定的子传输节点;
所述用户设备自主选择的子传输节点。
32、 根据权利要求 28所述的用户设备, 其中, 所述接收单元, 还配置 为接收所述主传输节点发送的子传输节点重选指示信息;
所述用户设备还包括子传输节点重选单元, 配置为按照以下方式至少 之一进行子传输节点重选:
保持与主传输节点的连接, 退出与当前子传输节点的连接, 选择一个 新子传输节点并连接;
保持与主传输节点的连接, 直接在现有子传输节点上进行子传输节点 的切换;
保持与主传输节点的连接, 通过主传输节点辅助完成从现有子传输节 点切换到另一个子传输节点。
33、 根据权利要求 28所述的用户设备, 其中, 所述接收单元, 还配置 为接收所述主传输节点发送的主传输节点重选指示信息;
所述用户设备还包括主传输节点重选单元, 配置为按照以下方式至少 之一进行主传输节点重选:
退出与当前子传输节点的连接, 进行主传输节点的切换;
保持与当前子传输节点的连接, 进行主传输节点的切换;
保持与当前子传输节点的连接, 子传输节点辅助用户设备完成主传输 节点的切换;
使主传输节点和子传输节点同时切换到一对新的主传输节点和子传输 节点上。
34、 根据权利要求 28至 33任一项所述的用户设备, 其中, 所述用户 设备还包括触发单元、 断开单元、 发送单元; 其中,
所述触发单元, 配置为触发所述接收单元接收所述主传输节点发送的 子传输节点断开指示信息, 接收子传输节点发送的子传输节点断开指示信 息, 触发所述断开单元根据所述接收单元接收到的指示信息断开与目标子 传输节点的连接;
所述触发单元, 还配置为触发所述发送单元向所述主传输节点或子传 输节点发送子传输节点断开请求, 在所述接收单元接收到所述主传输节点 或所述子传输节点的确认信息后, 触发所述断开单元断开与所述目标子传 输节点的连接;
所述触发单元, 还配置为触发所述发送单元向所述主传输节点或所述 子传输节点发送子传输节点断开请求, 并触发所述断开单元直接断开与所 述目标子传输节点的连接。
35、 一种传输节点, 所述传输节点包括:
存储单元, 配置为存储用户设备的接入信息;
识别单元 , 配置为根据所述用户设备的接入信息识别接入的用户设备; 其中, 所述接入的用户设备包括单连接的用户设备和 /或多连接的用户 设备。
36、 根据权利要求 35所述的传输节点, 其中, 所述用户设备的接入信 息包括以下至少之一:
所述用户设备在主传输节点中使用的小区无线网络临时标识 C- RNTI; 主传输节点对应小区的标识 ID; 所述用户设备的唯一标识码; 集中控制节 点分配的标识信息; 所述用户设备的专有资源; 所述用户设备的多连接标 识信令; 所述用户设备在子传输节点中使用的 C- RNTI。
37、 根据权利要求 35所述的传输节点, 其中, 所述传输节点还包括: 信息处理单元, 配置为向主传输节点传输所述传输节点自身的相关信息; 和 /或 , 获取所述主传输节点传输的所述多连接用户设备的接入信息。
38、 根据权利要求 35所述的传输节点, 其中, 所述传输节点还包括: 辅助单元, 配置为辅助接入的多连接用户设备完成主传输节点的切换。
39、 根据权利要求 35至 38任一项所述的传输节点, 其中, 所述信息 处理单元, 还配置为执行以下操作之一:
向接入的多连接用户设备发送子传输节点断开指示信息, 所述子传输 节点断开指示信息用于指示所述用户设备与指定的子传输节点断开连接; 接收所述多连接用户设备的子传输节点断开请求, 并返回确认信息; 接收所述多连接用户设备的子传输节点断开请求。
40、 一种节点, 所述节点包括控制单元, 配置为点对主传输节点和子 传输节点进行多连接控制。
41、 根据权利要求 40所述的节点, 其中, 所述控制单元, 配置为对以 下至少之一进行控制:
主传输节点选择; 子传输节点选择; 多连接用户设备选择; 接入子传 输节点的多连接用户设备识别; 多连接用户设备的子传输节点切换; 多连 接用户设备的子传输节点断开。
42、 根据权利要求 40或 41所述的节点, 其中, 所述控制单元, 配置 为对以下信息至少之一的传递进行控制:
主传输节点选择信息; 子传输节点选择信息; 子传输节点相关信息; 多连接用户设备选择信息; 接入子传输节点的多连接用户设备识别信息; 多连接用户设备的子传输节点切换信息; 多连接用户设备的子传输节点断 开信息。
43、 一种计算机存储介质, 所述计算机存储介质中存储有计算机可执 行指令, 所述计算机可执行指令配置为执行权利要求 7至 13任一项所述的 无线连接方法。
44、 一种计- 机存储介质, 所述计算机存储介质中存储有计算机可执 行指令, 所述计. -机可执行指令配置为执行权利要求 7至 1 3任一项所述的 无线连接方法。
45、 一种计. 机存储介质, 所述计算机存储介质中存储有计算机可执 行指令, 所述计; 机可执行指令配置为执行权利要求 14至 1 8任一项所述 的无线连接方法。
46、 一种计. 机存储介质, 所述计算机存储介质中存储有计算机可执 行指令, 所述计- L机可执行指令配置为执行权利要求 19至 21任一项所述 的无线连接方法。
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