WO2016107002A1 - 近邻服务的接入控制方法、ProSe UE和存储介质 - Google Patents
近邻服务的接入控制方法、ProSe UE和存储介质 Download PDFInfo
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- WO2016107002A1 WO2016107002A1 PCT/CN2015/076210 CN2015076210W WO2016107002A1 WO 2016107002 A1 WO2016107002 A1 WO 2016107002A1 CN 2015076210 W CN2015076210 W CN 2015076210W WO 2016107002 A1 WO2016107002 A1 WO 2016107002A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to an access control technology in the field of communications, and in particular, to an access control method for a neighboring service, a Proximity-based Services (ProSe) user equipment (User Equipment, UE), and a storage medium.
- ProSe Proximity-based Services
- UE User Equipment
- D2D Device-to-Device
- ProSe communication device-to-device communication
- the application of D2D technology can reduce the burden of cellular networks, reduce the battery power consumption of user equipment, increase the data rate, and improve the robustness of the network infrastructure, which satisfies the requirements of the above high data rate services and proximity services.
- D2D technology can work in licensed or unlicensed bands, allowing multiple D2D-enabled user equipment (D2D User Equipment, D2D UE) to directly discover without network infrastructure or network infrastructure. / Direct communication.
- D2D User Equipment D2D User Equipment
- D2D UE D2D User Equipment
- UE1 and UE2 perform data interaction under the coverage of the cellular network, and the user plane data does not pass through the network infrastructure, as shown in mode 1 of FIG. 1; UE relay transmission in the weak/uncovered area, as shown in mode 2 in FIG.
- the UE4 with poor signal quality communicates with the network through the UE3 with network coverage nearby, which can help operators expand coverage and increase capacity.
- Direct communication such as mode 3 in Figure 1, UE5, UE6 and UE7 control plane and user plane do not go through the network infrastructure for one-hop or multi-hop data communication.
- D2D technology usually includes D2D discovery technology and D2D communication technology:
- the D2D discovery technology is used to determine/determine the proximity between two or more D2D user equipments (for example, within a range in which D2D direct communication can be performed) or to determine/determine that the first user equipment is adjacent to the second user equipment.
- the D2D user equipment can discover the other party by sending or receiving the discovery signal/information. Under the coverage of the cellular network, the network can assist the D2D user equipment to perform D2D discovery;
- D2D communication technology refers to a technology in which some or all of the communication data between D2D user equipments can communicate directly without going through the network infrastructure.
- the neighboring service user equipment ProSe UE needs to obtain corresponding radio resources first before performing D2D discovery or D2D communication.
- the first resource allocation mode is usually pre-allocated by the base station or the system to a D2D resource pool, and the ProSe UE participating in the D2D discovery/communication listens to the resource pool and acquires the D2D transmission resource in a competitive manner.
- the second resource allocation mode is configured by the base station to allocate the appropriate D2D resources to the ProSe UE according to the request of the ProSe UE.
- the ProSe UE when the ProSe UE needs to send data for D2D discovery/communication, in the case of the second resource allocation mode, the ProSe UE in the network coverage needs to enter the connection state to apply for the resource, that is, the ProSe UE.
- the access to the network is required.
- the ProSe UE acquires resources through competition in accordance with the requirements.
- access control under overload conditions is performed through ACB (Access Class Barring Access Level Restriction) and EAB (Extended Access Barring Extended Access Restriction). .
- the prior art service has not been proposed in the prior art (ie, said D2D) access control to avoid overloading the network and excessive interference, especially in high-load applications and high-interference scenarios, allowing uncontrolled user equipment to access the network using D2D services, resulting in network Load and interference are further exacerbated.
- the embodiment of the present invention is to provide an access control method for a neighbor service, a ProSe UE, and a storage medium, so as to reduce the phenomenon of high load and high interference caused by user equipment access using the neighbor service.
- the technical solution of the embodiment of the present invention is implemented as follows:
- the first aspect of the embodiment of the present invention provides an access control method for a neighbor service, where the method includes:
- the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication, allowing the ProSe UE to initiate a cell access request or access a neighboring service access competition resource.
- the access level restriction parameter for ProSe communication further includes: an access level restriction parameter for a special access level of ProSe communication; and an access level of the special access level for ProSe communication.
- the restriction parameter includes an access level restriction parameter of a first type of special access level for ProSe communication, which is a specified value;
- the method further includes:
- the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication
- the ProSe UE When the AC value of the ProSe UE has at least one of the first specified AC value and the access level restriction parameter of the special access level for ProSe communication corresponding to the first designated AC value of the ProSe UE is the first When the class is used for the access level restriction parameter of the special access level of the ProSe communication, the ProSe UE is allowed to initiate a cell access request or access the neighbor service access competition resource.
- the access level restriction parameter for ProSe communication includes an access level restriction factor for ProSe communication
- the method further includes:
- the access level restriction parameter for the special access level of the ProSe communication is not used for the first category. Generating a random number when accessing the access level limit parameter of the special access level of the ProSe communication;
- the ProSe UE When the random number is smaller than the access level restriction factor for ProSe communication, the ProSe UE is allowed to initiate a cell access request or access a neighbor service access competition resource.
- the method further includes:
- the ProSe UE When the random number is not less than the access level restriction factor for ProSe communication, the ProSe UE is prohibited from initiating a cell access request or accessing a neighbor service access competition resource.
- the access level restriction parameter for ProSe communication further includes an access level restriction time parameter for ProSe communication
- the method further includes:
- the random number is not less than the access level restriction factor for ProSe communication, determining, according to the access level restriction time parameter of the ProSe communication, determining that the ProSe UE is prohibited from initiating The time of prohibition of accessing a request or accessing a neighboring service to access competing resources;
- the ProSe UE is prohibited from initiating an access request or accessing a neighbor service access competition resource during the prohibition time.
- the ProSe UEs have different priority levels
- the first AC values of the ProSe UEs of different priority levels are at least partially different
- the method further includes:
- the priority of the ProSe UE of the i-th priority is lower than that of the i-th priority, and the access level restriction factor for the ProSe communication corresponding to the i-th priority of the ProSe UE is An access level restriction factor for ProSe communication; the access level restriction factor for the ith for ProSe communication is lower than the access level restriction factor for the ith-1 for ProSe communication;
- the i is an integer not less than 2.
- the AC value of the ProSe UE is the same as the AC value of the UE in cellular communication.
- the AC value of the ProSe UE is an AC value dedicated to the ProSe communication.
- the method further includes:
- the ProSe UE When the ProSe UE is the UE that restricts access in the access control information, the ProSe UE is prohibited from initiating a request to access or access a neighboring service access competition resource within a specified time;
- Determining whether the neighbor service access control information includes the access level restriction information and the access level restriction parameter used for the ProSe communication including:
- the ProSe UE is the UE that restricts access in the neighboring access control information
- the method further includes:
- the neighbor service access control information is received from a system message or dedicated signaling sent by the base station.
- a second aspect of the embodiments of the present invention provides a ProSe UE, where the ProSe UE includes:
- a first determining unit configured to determine whether a timer for prohibiting access is running
- the prohibiting unit is configured to prohibit the ProSe UE from initiating a cell access request or accessing the neighboring service to access the contention resource when the timer is running;
- a second determining unit configured to determine, when the timer is not running, whether the neighbor service access control information includes access level restriction information and an access level restriction parameter used for ProSe communication;
- the enabling unit is configured to allow the ProSe UE to initiate a cell access request or access a neighbor service when the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication Access to competitive resources.
- the access level restriction parameter for ProSe communication further includes: an access level restriction parameter for a special access level of ProSe communication; and an access level of the special access level for ProSe communication.
- the restriction parameter includes an access level restriction parameter of a first type of special access level for ProSe communication, which is a specified value;
- the second determining unit is further configured to determine, when the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication, whether the AC value of the ProSe UE is at least Whether there is an access level restriction parameter for a first specified AC value and a special access level for ProSe communication corresponding to the first specified AC value of the ProSe UE is the first type of special access for ProSe communication Level access level limit parameter;
- the enabling unit is further configured to: when the AC value of the ProSe UE has at least one of a first specified AC value and the ProSe UE first specified AC value corresponds to a special access level for ProSe communication access
- the level restriction parameter is the access class restriction parameter of the first type of special access level for ProSe communication
- the ProSe UE is allowed to initiate a cell access request or access a neighboring service access competition resource.
- the access level restriction parameter for ProSe communication includes an access level restriction factor for ProSe communication
- the ProSe UE further includes:
- a generating unit configured to: when the AC value of the ProSe UE does not have a first specified AC value or a first specified AC value of the ProSe UE, an access level restriction parameter for a special access level for ProSe communication is not Generating a random number when the first type of access level restriction parameter for a special access level of ProSe communication is used;
- a comparing unit configured to compare the random number with an access level restriction factor for ProSe communication
- the enabling unit is further configured to allow the ProSe UE to initiate a cell access request or access a neighboring service access competing resource when the random number is less than the access level limiting factor.
- the prohibiting unit is further configured to: when the random number is not less than the access level restriction factor for ProSe communication, prohibit the ProSe UE from initiating a cell access request or accessing a neighbor service access competition. Resources.
- the access level restriction parameter for ProSe communication further includes an access level restriction time parameter for ProSe communication
- a second determining unit configured to: when the random number is not less than the access level restriction factor for ProSe communication, determine, according to the access level restriction time parameter of the ProSe communication, that the ProSe UE is prohibited from initiating access The time of prohibition of requesting or accessing a neighboring service to access competing resources;
- the prohibiting unit is further configured to prohibit the ProSe UE from starting in the prohibition time. Access requests or access neighbor services to access competing resources.
- the ProSe UEs have different priority levels
- the first specified AC values of the ProSe UEs of different priority levels are at least partially different
- the comparing unit is further configured to determine a priority of the ProSe, and determine, according to the priority, an access level restriction factor for ProSe communication for comparing with the random number;
- the priority of the ProSe UE of the i-th priority is lower than that of the i-th priority, and the access level restriction factor for the ProSe communication corresponding to the i-th priority of the ProSe UE is An access level restriction factor for ProSe communication; the access level restriction factor for the ith for ProSe communication is lower than the access level restriction factor for the ith-1 for ProSe communication;
- the i is an integer not less than 2.
- the AC value of the ProSe UE is the same as the AC value of the UE in cellular communication.
- the AC value of the ProSe UE is an AC value dedicated to the ProSe communication.
- the ProSe UE further includes:
- a querying unit configured to query configuration information of the ProSe UE
- the prohibiting unit is further configured to, when the ProSe UE is the UE that restricts access in the neighbor service access control information, prohibit the ProSe UE from initiating a request for access or accessing a neighbor service access competition within a specified time.
- the second determining unit is further configured to determine, when the ProSe UE is a UE that restricts access in the neighbor service access control information, whether the neighbor service access control information includes access level restriction information and is used for ProSe Access level limit parameters for communication.
- the ProSe UE further includes:
- the receiving unit is configured to receive the neighbor service access control information from a system message or a dedicated signaling sent by the base station.
- the third aspect of the embodiments of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, where the computer executable instructions are used to execute at least one of the methods of the first aspect of the embodiments of the present invention. one.
- the access control method, the ProSe UE, and the storage medium determines whether the current cell is allowed to access according to the access control level information in the access control information sent by the base station and the access level restriction parameter used for the ProSe communication.
- the phenomenon that the busyness and the interference degree of the cell with high load and/or high interference are further increased regardless of the busyness of the current cell, and the user equipment access using the neighbor service is reduced. The resulting high load and high interference phenomena.
- Figure 1 is a schematic diagram of three communication modes of a neighbor service
- FIG. 2 is a schematic flowchart of a method for access control of a neighbor service according to an embodiment of the present invention
- FIG. 3 is a second schematic flowchart of a method for access control of a neighbor service according to an embodiment of the present invention
- FIG. 4 is a schematic structural diagram of a ProSe UE according to an embodiment of the present disclosure.
- FIG. 5 is a third schematic flowchart of a method for access control of a neighbor service according to an embodiment of the present disclosure
- FIG. 6 is a fourth schematic flowchart of a method for access control of a neighbor service according to an embodiment of the present invention.
- the embodiment of the present invention provides a neighboring service access control method and a ProSe UE, which determines whether to allow the ProSe UE to initiate a cell access request or access a neighbor service access according to the neighbor service access control information sent by the base station. Competing resources, so that the purpose of controlling the access of the ProSe UE is achieved, and in the case of high load or high interference, the access to the cell is avoided by the reception of the access control information.
- this embodiment provides an access control method for a neighbor service, where the method includes:
- Step S110 determining whether the timer for prohibiting access is running
- Step S120 When the timer is running, prohibiting the ProSe UE from initiating a cell access request or accessing a neighboring service to access a contention resource;
- Step S130 determining, when the timer is not running, determining whether the neighbor service access control information includes access level restriction information and an access level restriction parameter used for ProSe communication;
- Step S140 Allow the ProSe UE to initiate a cell access request or access a neighbor service access when the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication.
- Competitive resources Allow the ProSe UE to initiate a cell access request or access a neighbor service access when the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication.
- the timer may be a timer such as T302 or Tbarring in the user equipment UE; the opening of these timers usually causes the user equipment UE to not allow an access request or access access to the contention resources for a period of time.
- the configuration of the T302 and the timing start timing can be referred to the provisions in the existing communication protocol, and will not be described herein.
- the timing start of the Tbarring may be determined according to neighbor service access control information received from the base station.
- the neighbor service access control information received from the base station (such as the evolved base station eNB) includes the access level restriction information ac-BarringInfo and is used for ProSe. Access level limit parameter for communication ac-BarringForProSeComm.
- the access level restriction information and the access level restriction parameter for ProSe communication When the access level restriction information and the access level restriction parameter for ProSe communication are not included, it indicates that the base station does not currently want to restrict ProSe communication access of the ProSe UE, thereby allowing the ProSe UE to initiate ProSe.
- the access request for communication or the access neighbor service accesses the contention resource to enter the designated cell.
- the neighbor service access control information is sent by a base station where the ProSe UE is located and a base station capable of establishing a wireless connection.
- the access request initiated by the ProSe UE in the step S130 may be the cell in which the access ProSe UE is currently located, or may be another cell formed by the base station of the current cell where the ProSe UE is located.
- the access request is a neighbor service access request in step S130.
- the access level restriction parameter ac-BarringForProSeComm for ProSe communication further includes an access level restriction parameter ac-BarringForSpecialAC for a special access level of ProSe communication.
- the access level restriction parameter of the special access level for ProSe communication includes an access level restriction parameter of a first type of special access level for ProSe communication, which is a specified value.
- the specified value is a specified sequence of one or more bits corresponding to the ac-BarringForSpecialAC; specifically, when the ac-BarringForSpecialAC corresponds to 1 bit, the ac-BarringForSpecialAC of the bit may be regarded as 0.
- the first type is ac-BarringForSpecialAC.
- the specified value may be determined according to a communication protocol, or may be determined based on negotiation between a base station and a UE.
- the method in this embodiment further includes:
- Step S150 When the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication, determine whether the AC value of the ProSe UE is at least one of the first designated ACs. a value corresponding to the first specified AC value of the ProSe UE Whether the access level restriction parameter of the special access level of the ProSe communication is the access level restriction parameter of the first type of special access level for ProSe communication.
- Step S160 When the AC value of the ProSe UE has at least one of the first specified AC value and the access level restriction parameter of the special access level for ProSe communication corresponding to the first designated AC value of the ProSe UE is When the first type of access level restriction parameter for a special access level of ProSe communication is used, the ProSe UE is allowed to initiate a cell access request or access a neighboring service access competition resource.
- the AC value of the ProSe UE includes 10 AC values of AC values of 0, 1, 2, ... 9, and the AC value may also include 5 AC values of 11 to 15.
- the AC value may also include one or more AC values added based on the AC value for cellular communication, such as an AC value of 16 or 17.
- a ProSe UE may include multiple AC values with different values.
- the step S160 is to determine whether the one or more AC values of the ProSe UE have a first specified AC value.
- the first designated AC value may be an AC value specified by one or more of the above AC values.
- the current value of the first specified AC value may be 11 to 15; if the AC value of the current ProSe UE is an AC value of 4 to 9 specifically, the AC of the pre-ProSe UE is determined. The value does not include the first specified AC value. If the ProSe UE includes multiple AC values, if the AC values include 12 AC values, it is determined that at least one of the AC values of the ProSe UE is the first designated AC value.
- the user equipment UE determines whether to initiate an access request or access a neighboring service access competing resource according to the neighbor service access control information sent by the base station; this may facilitate the base station according to its own load and the measured interference degree of the cell.
- the ac-BarringForSpecialAC is set to control the access control of the ProSe UE.
- the access level restriction parameter for ProSe communication includes an access level restriction factor for ProSe communication;
- the method further includes:
- Step S170 When the AC value of the ProSe UE does not have the first specified AC value or the first specified AC value of the ProSe UE, the access level restriction parameter for the special access level of the ProSe communication is not the A random number is generated when a class of access level restriction parameters for a special access level of ProSe communication is used;
- Step S180 comparing the random number with an access level restriction factor for ProSe communication
- Step S190 When the random number is smaller than the access level restriction factor, the ProSe UE is allowed to initiate a cell access request or access a neighboring service access competition resource.
- the method further includes:
- Step S200 When the random number is not less than the access level restriction factor ac-BarringProSeFactor for ProSe communication, the ProSe UE is prohibited from initiating a cell access request or accessing a neighbor service access competition resource.
- the random number is randomly generated.
- the value range of the random number is the same as the value range of the access level restriction factor used for the ProSe communication, and when the access level restriction factor for the ProSe communication ranges from 0 to 1, the The access level restriction factor for ProSe communication is also 0 to 1; and the number within the range of values is usually a uniformly distributed random number.
- the value range may be determined by the base station and the user equipment UE according to a communication protocol or determined by negotiation.
- the probability that the user equipment generates any random number according to the statistical probability is the same; if the value of the access level restriction factor for the ProSe communication is large, the ProSe UE is allowed to initiate. Access requests or access to neighboring services are more likely to access competing resources.
- the access of the ProSe UE can be restricted by setting an access level restriction factor for ProSe communication with a lower value.
- the ProSe UE may receive two access level restriction factors for ProSe communication with different sizes from the base station to limit the ProSe UE, and when determining that the AC value of the ProSe UE is an AC value of 0 to 4, it is used for ProSe communication.
- the access level restriction factor is greater than the access level restriction factor for ProSe communication with the AC value of the ProSe UE being 5 to 9.
- the ProSe UE with the AC value of 5 to 9 can be restricted to ensure that the AC value is 0 to The ProSe UE of 4 has more access requests or access to competing resources.
- the access level restriction parameter for ProSe communication further includes an access level restriction time parameter for ProSe communication
- the method further includes:
- the access level restriction factor for ProSe communication determines, according to the access level restriction time parameter ac-BarringProSeTime of the ProSe communication, prohibiting the ProSe UE from initiating an access request or accessing a neighbor The time when the service accesses the competitive resources;
- the ProSe UE is prohibited from initiating an access request or accessing a neighbor service access competition resource during the prohibition time.
- the timing of the prohibition time can be performed by using Tbarring in step S110.
- the time for prohibiting the prohibition of access may be started after determining to prohibit the initiation of the access request or the access to the contention resource, thereby avoiding After the ProSe UE is forbidden to access, the steps S110 to S200 are repeatedly performed repeatedly, resulting in a problem that the UE consumes a large amount of energy.
- the ProSe UEs have different priority levels; the first AC values of the ProSe UEs of different priority levels are at least partially different.
- the method also includes determining a priority of the ProSe, and determining an access level restriction factor for ProSe communication for comparison with the random number based on the priority.
- the ProSe UE of the i-th priority has a lower priority than the ProSe UE of the i-th priority.
- the i-th priority The access level restriction factor for the ProSe communication corresponding to the ProSe UE is the access level restriction factor for the ith for ProSe communication.
- the access level restriction factor for the ith for ProSe communication is lower than the access level restriction factor for the ith-1 for ProSe communication; the i is an integer not less than 2.
- the priority of the ProSe UE may be determined by a special priority parameter, or may be determined by a non-first specified AC value, but is determined by the first specified AC value in this embodiment, In this way, the neighbor service access control information can be simplified, so that the step of forming the neighbor service access control information by the base station can be simplified, and the information amount of the neighbor service access control information can be reduced.
- the foregoing solution indicates that the access level restriction factor for ProSe communication corresponding to the AC value of the high priority is higher than the AC value of the ProSe corresponding to the low priority. Enter the level limit factor.
- the priority of the ProSe UE includes a high priority and a non-high priority; the non-high priority is lower than the high priority. This ensures that high priority has a higher probability of accessing ProSe communication.
- the access level restriction parameter for ProSe communication includes multiple access level restriction factors for ProSe communication; different access level restriction factors for ProSe communication correspond to ACs of different ProSe UEs Value; these AC values correspond to different priorities.
- the AC value of the ProSe UE has a certain mapping relationship with the priority of the ProSe UE.
- the AC value that can be used to indicate the priority of the ProSe UE is the AC value in the first specified AC value; specifically, when the first AC value includes an AC value of 11 to 15, and also includes a new one. It is an AC value of 16 or 17, which may be a ProSe UE with a certain first AC value having a higher priority than another first AC value.
- the priority of the ProSe UE including the first designated AC value may be higher than the AC value of the AC value of 0 to 9.
- the priority of the ProSe UE. Which AC value corresponds to a high priority may be determined according to negotiation between the base station and the UE, or may be determined according to a communication protocol.
- the access level restriction factor for ProSe communication corresponding to the higher priority ProSe UE has a higher value, thereby generating The probability that the random number is smaller than the access level restriction factor for ProSe communication is greater.
- the access level restriction parameter ac-BarringForSpecialAC of the first type of special access level for ProSe communication if the AC value of the current ProSe UE is Including the AC value of 13, the access level restriction parameter for confirming the special access level of the ProSe communication corresponding to the AC value of the ProSe UE includes the access of the first type of special access level for ProSe communication.
- the level limit parameter which will allow it to initiate access requests and access competing resources.
- the AC value stored in the ProSe UE or the AC value of the neighbor service access control information in this embodiment may be the same as the AC value in the cellular communication.
- the AC value may be used for cellular communication. It is also used in the ProSe communication described in this embodiment. Since the application of the AC value has been widely used in cellular communication, the ProSe communication can directly multiplex the AC value of the cellular communication without being re-specialized, thereby having strong compatibility with cellular communication and simplifying the connection.
- the first designated AC value may obviously also be one or more AC values used in cellular communications.
- the AC value of the ProSe UE is an AC value dedicated to the ProSe communication.
- the AC value is exclusively used for ProSe communication, and is obviously independent of the AC value in cellular communication, but the above process can also be used for ProSe communication; the advantage of this arrangement is that it is advantageous for separately performing cellular communication and ProSe communication. control.
- the AC value stored by the ProSe UE may be stored in a SIM or USIM card carried by the ProSe UE.
- the SIM is Subscriber Identity
- Module Customer Identification Module also known as user identification card, smart card; it is usually one of the necessary devices for communication based on wireless communication identification in wireless communication.
- the USIM is an abbreviation of Universal Subscriber Identity Module.
- the USIM card refers to a third generation mobile phone card, also known as a user global identification card, or a global user identity module (USIM), which is also called an upgraded SIM card.
- the method further includes:
- the ProSe UE When the ProSe UE is the UE that restricts access in the access control information, the ProSe UE is prohibited from initiating a request to access or access a neighboring service access competition resource within a specified time;
- Determining whether the neighbor service access control information includes the access level restriction information and the access level restriction parameter used for the ProSe communication including:
- the ProSe UE is the UE that restricts access in the neighboring access control information
- the neighbor service access control information may include neighbor service access control information based on an Access Class Barring (ACB) mechanism, or may include an adjacent service based on an Extended Access Barring (EAB) mechanism. Access control information.
- AB Access Class Barring
- EAB Extended Access Barring
- the neighbor service access control information used in the step S110 to the step S200 may be the neighbor service access control information based on the ACB mechanism, and used in combination with the configuration information in the ProSe UE to restrict the proximity service access of the partial UE access.
- the neighboring service access control information based on the EAB mechanism may be used.
- the discovery process and the communication process are generally included.
- the ACB mechanism-based neighbor service access control information may be used in the communication process of the ProSe access, and the The neighbor service access control information based on the EAB mechanism is preferably Used in the discovery process of ProSe access.
- a part of the user equipment forms the configuration information by receiving information sent by the base station, or may form the configuration information when the device is generated, or store the configuration information by using a SIM card or a USIM card; and the SIM Or the USIM usually determines the communication identifier, so the configuration information may be configuration information formed according to different communication identifiers.
- the method further includes:
- the neighbor service access control information is received from a system message or dedicated signaling sent by the base station.
- the system message is received from a broadcast channel, and the system control message includes the access control information.
- the access control information may also be obtained from dedicated information dedicated to transmitting the access control information. Both of these methods have the advantage of being simple to implement.
- the base station may periodically broadcast the system message or the dedicated signaling, where the ProSe UE performing the foregoing method may periodically receive the neighbor service from the broadcast channel. Access control information and used to control access of the ProSe UE neighbor service during the period.
- this embodiment provides a ProSe UE, where the ProSe UE includes:
- the first determining unit 110 is configured to determine whether a timer for prohibiting access is running
- the prohibiting unit 120 is configured to, when the timer is running, prohibit the ProSe UE from initiating a cell access request or accessing a neighboring service to access the contention resource;
- the second determining unit 130 is configured to determine, when the timer is not running, whether the neighbor service access control information includes access level restriction information and an access level restriction parameter used for ProSe communication;
- the enabling unit 140 is configured to allow the ProSe UE to initiate a cell access request or access a neighbor when the neighbor service access control information does not include the access level restriction information and an access level restriction parameter used for ProSe communication.
- the service accesses competitive resources.
- the ProSe UE in this embodiment is a user equipment for a neighboring service, and is specifically a communication terminal such as a mobile phone or a tablet computer that can be used for a neighboring service.
- the timer is a timer component having a timing function.
- the first determining unit 110, the disabling unit 120, the second determining unit 130, and the allowing unit 140 may each include a structure having an information processing function, and may include, for example, a processor and a storage medium; the processor and the storage The media are connected by an internal communication interface such as a bus.
- the executable medium may be stored on the storage medium; the processor may implement the first determining unit 110, the prohibiting unit 120, the second determining unit 130, and the allowing unit 140 by reading and running the executable code. The function.
- any two of the first determining unit 110, the disabling unit 120, the second determining unit 130, and the allowing unit 140 may be integrated corresponding to the same processor, or respectively corresponding to different processors; when the first determining unit 110 When the prohibition unit 120, the second determining unit 130, and any two of the enabling units 140 are integrated to correspond to the same processor, the processor implements functions of different units by using time division multiplexing or concurrent threads.
- the processor may include an electronic component having an information processing function such as an application processor AP, a digital signal processor DSP, a central processing unit CPU, a microprocessor MCU, or a programmable logic array.
- an application processor AP a digital signal processor DSP
- DSP digital signal processor
- CPU central processing unit
- MCU microprocessor MCU
- programmable logic array programmable logic array
- the definition of the access level restriction information and the access level restriction parameter for ProSe communication can be found in the method embodiment, and will not be further elaborated here.
- the ProSe UE in this embodiment can be used to provide specific implementation hardware for the foregoing method embodiments, which has the advantages of simple structure and high intelligence, and can also control the UE accessing the cell or accessing the ProSe communication competition resources. purpose.
- the access level restriction parameter for ProSe communication further includes: an access level restriction parameter for a special access level of ProSe communication; and an access level of the special access level for ProSe communication.
- the restriction parameter includes the first type of the specified value for the special connection of ProSe communication. Incoming access level restriction parameters;
- the second determining unit 130 is further configured to: determine, when the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication, whether the AC value of the ProSe UE is Whether there is at least one access level restriction parameter for the first specified AC value and the special access level of the ProSe UE corresponding to the first specified AC value is the special type of the first type for ProSe communication Incoming access level restriction parameters;
- the enabling unit 140 is further configured to: when the AC value of the ProSe UE has at least one of a first specified AC value and the ProSe UE first specified AC value corresponds to a special access level for ProSe communication
- the entry level restriction parameter is the access class restriction parameter of the first type of special access level for ProSe communication
- the ProSe UE is allowed to initiate a cell access request or access a neighboring service access competition resource.
- the second determining unit 130 and the enabling unit 130 may determine whether to initiate a ProSe communication access request according to ac-BarringForSpecialAC in the neighbor service access control information. Access neighboring services to access competitive resources.
- the first specified AC value may also be determined by the base station, and the bearer service access control information is sent to the ProSe UE.
- the access level restriction parameter for ProSe communication includes an access level restriction factor for ProSe communication
- the second determining unit 130 is further configured to: determine, when the neighbor service access control information includes the access level restriction information and an access level restriction parameter used for ProSe communication, whether the AC value of the ProSe UE is At least one of the first specified AC values;
- the ProSe UE further includes:
- a generating unit configured to: when the AC value of the ProSe UE does not have a first specified AC value, or an access level restriction parameter of a special access level for ProSe communication corresponding to the first specified AC value of the ProSe UE is not The first type of access for special access levels for ProSe communication Generate a random number when the level limits the parameter;
- a comparing unit configured to compare the random number with an access level restriction factor for ProSe communication
- the enabling unit 140 is further configured to allow the ProSe UE to initiate a cell access request or access a neighboring service access competition resource when the random number is less than the access level restriction factor.
- the specific structure of the generating unit may also include various devices having information processing functions.
- the comparison unit may include a comparator, a comparison circuit, or a processor having a comparison function.
- the specific structure of the permitting unit 140 can be referred to the foregoing part, and will not be repeated here.
- control unit that controls the ProSe access is further added by the further setting of the generating unit and the comparing unit, and has the advantages of simple implementation and high intelligence of the electronic device.
- the forbidding unit 120 is further configured to prevent the ProSe UE from initiating a cell access request or accessing a neighbor service access when the random number is not less than the access level restriction factor for ProSe communication.
- Competitive resources are further configured to prevent the ProSe UE from initiating a cell access request or accessing a neighbor service access when the random number is not less than the access level restriction factor for ProSe communication.
- the access level restriction parameter for ProSe communication further includes an access level restriction time parameter for ProSe communication
- the ProSe UE further includes:
- the second determining unit 130 is configured to: when the random number is not less than the access level restriction factor for the ProSe communication, determine, according to the access level limit time parameter of the ProSe communication, that the ProSe UE is prohibited from initiating The time of prohibition of accessing a request or accessing a neighboring service to access competing resources;
- the prohibiting unit 120 is further configured to prohibit the ProSe UE from initiating an access request or accessing a neighbor service access competition resource during the prohibition time.
- the second determining unit 130 may further include a timer; the timer is used to perform the prohibition Time count.
- the ProSe UEs have different priority levels; the first AC values of the ProSe UEs of different priority levels are at least partially different.
- the comparing unit is further configured to determine a priority of the ProSe; and determine, according to the priority, an access level restriction factor for ProSe communication for comparison with the random number;
- the priority of the ProSe UE of the i-th priority is lower than that of the i-th priority, and the access level restriction factor for the ProSe communication corresponding to the i-th priority of the ProSe UE is i an access level restriction factor for ProSe communication; the access level restriction factor for the ith for ProSe communication is lower than the access level restriction factor for the ith-1 for ProSe communication; An integer less than 2.
- the AC value in the embodiment may be an AC value multiplexed with the cellular communication.
- the AC value of the ProSe UE is the same as the AC value of the UE in the cellular communication.
- the AC value in the embodiment may also be an AC value dedicated to the local ProSe communication, and the AC value of the ProSe UE at this time is an AC value dedicated to the ProSe communication.
- the ProSe UE further includes:
- a querying unit configured to query configuration information of the ProSe UE
- the prohibiting unit 120 is further configured to: when the ProSe UE is the UE that restricts access in the neighbor service access control information, prohibit the ProSe UE from initiating a request for access or accessing a neighbor service access within a specified time.
- the second determining unit 130 is further configured to: when the ProSe UE is the UE that restricts access in the neighbor service access control information, determine whether the neighbor service access control information includes access level restriction information and is used for Access level limit parameters for ProSe communication.
- the ProSe UE further includes:
- the receiving unit is configured to receive the neighbor service access control information from a system message or a dedicated signaling sent by the base station.
- the receiving unit 110 may include a receiving interface, such as a receiving antenna.
- the present embodiment provides a user equipment, which can be used to implement the technical solution described in the foregoing method embodiments, and can control the ProSe UE to access a cell or access a competitive resource, and can avoid ProSe under high interference or high load conditions.
- the access of the UE causes a problem of poor communication quality of both cellular communication and ProSe communication.
- the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used in at least one of the methods of the embodiments of the present invention; One or more of the methods shown in Figures 3, 5, and 6.
- the computer storage medium in this embodiment may be a dynamic storage device, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like.
- the medium of the computer storage medium in the embodiment may be a non-transitory storage medium; conveniently storing the program code stably.
- This example describes a procedure for a ProSe UE to access a cell using a cellular ACB mechanism AC value when initiating a contention resource for D2D communication and/or preparing for access to the network.
- the method for initiating the access to the cell by the contending resource is the first resource allocation mode in the D2D communication; the mode of applying for the access network is the second resource allocation mode in the D2D communication.
- the ProSe UE needs to access the network to enter the connected state.
- the network needs to control the competition initiation and/or application for access preparation when the network is congested.
- the ProSe UE performs the contention of the contention and/or the access situation using the AC value in the ACB mechanism set in the cellular network; while other ACB parameters related to the D2D communication access are passed by the eNB through the ProSe system information or dedicated Letter For delivery, the parameter information includes “ac-BarringInfo”, “ac-BarringForProSeComm”, “ac-BarringProSeFactor”, “ac-BarringProSeForSpecialAC”, and “ac-BarringProSeTime”; after obtaining these information parameters, the ProSe UE is D2D.
- the ACB parameters of the ProSe are used for calculation and determination to determine whether to access the ProSe UE cell to access.
- the AC value of the cellular ACB mechanism used by the ProSe UE in this example to initiate a contention for D2D communication and/or to apply for access to the network includes:
- Step S101 It is judged whether T302 or Tbarring, etc. are running.
- the T302 and the T303 and the like are all the access prohibition timers described in the foregoing embodiments.
- the process proceeds to step S108; when the T302 or Tbarring is not operated, the process proceeds to step S102.
- the operation of the Tbarring or T302, etc. indicates that the access prohibition timer is valid, and the time for prohibiting access has not ended. If the Tbarring or T302 is not running, the prohibition of the access timer is invalid, the time for prohibiting the access has ended, or the prohibition of the access timing is not initiated.
- Step S102 determining whether ac-BarringInfo and ac-BarringForProSeComm are included in the access control information received from the base station; if yes, proceeding to step S103; if not, proceeding to step S104.
- Step S103 determining whether the ProSe UE has one or more AC values of 11 to 15, and the ac-BarringForSpecialAC corresponding bit setting corresponding to the AC value of the ProSe UEs 11 to 15 is 0. If yes, the process proceeds to step S104. If no, the process proceeds to step S105.
- Step S104 Grant access to the allocated content pool or cell of the competition.
- Step S105 Take a random number between [0, 1].
- Step S106 It is determined whether the random number is lower than the value of the access restriction factor ac-BarringFactor in the ac-BarringForProSeComm; if yes, the process proceeds to step S104, and if no, the process proceeds to step S107.
- Step S107 prohibiting access to the allocated contention pool or cell.
- ProSe UEs can be classified into two classes of high priority ProSe UEs and non-high priority ProSe UEs.
- the high-priority ProSe UE has a higher access level than the non-high-priority ProSe UE; the ProSe UE set to the high priority needs to preferentially enjoy the rights of acquiring resources and sending data in an emergency situation.
- the ProSe-like UE has its access level set to one of the special high-priority AC values, such as an AC value of 12.
- the AC value with high priority is sent through the access control information, so that the ProSe UE has a greater probability of accessing the contention pool or cell by matching with its own AC value.
- the AC value of the cellular ACB mechanism used by the ProSe UE in this example to initiate a contention for D2D communication and/or to apply for access to the network includes:
- Step S101 It is judged whether T302 or Tbarring, etc. are running.
- the T302 and the Tbarring and the like are all the access prohibition timers described in the foregoing embodiments.
- the process proceeds to step S108; when the T302 or Tbarring is not operated, the process proceeds to step S102.
- the operation of the Tbarring or T302, etc. indicates that the access prohibition timer is valid, and the time for prohibiting access has not ended. If the Tbarring or T302 is not running, the prohibition of the access timer is invalid, the time for prohibiting the access has ended, or the prohibition of the access timing is not initiated.
- Step S102 determining whether ac-BarringInfo and ac-BarringForProSeComm are included in the access control information received from the base station; if yes, proceeding to step S103; if not, proceeding to step S104.
- Step S103 ′ determining whether the ProSe UE has one or more AC values as the first specified AC value, and whether the ac-BarringForSpecialAC corresponding bit setting corresponding to the first specified AC value of the ProSe UE is 0, and if yes, proceeding to step S104. If no, the process proceeds to step S105A.
- the first designated AC value includes one or more AC values added on the basis of the AC value provided by the cellular communication, specifically, an AC value of 16 or 17 or the like.
- Step S104 Grant access to the allocated content pool or cell of the competition.
- Step S105A determining whether the ProSe UE includes a high priority AC value; if yes, proceeding to step S105B; if not, proceeding to step S105C;
- Step S105B determining a value of the first access restriction factor ac-BarringFactor1 corresponding to the high priority AC value;
- Step S105C determining the value of the first access restriction factor ac-BarringFactor2 corresponding to the high priority AC value
- Step S105 Take a random number between [0, 1].
- Step S106 It is determined whether the random number is lower than the value of the access restriction factor ac-BarringFactor in the ac-BarringForProSeComm; if yes, the process proceeds to step S104, and if no, the process proceeds to step S107.
- ac-BarringFactor when the Prose UE includes a high priority AC value, the ac-BarringFactor is the ac-BarringFactor1; when the Prose UE does not include a high priority AC value, the ac- BarringFactor is the ac-BarringFactor2.
- Step S107 prohibiting access to the allocated contention pool or cell.
- Example 3 When the ProSe UE needs to perform D2D discovery, the ProSe UE needs to acquire resources through contention. In the second resource allocation mode, in order to be able to apply for resources to the eNB for data transmission of D2D discovery, etc., the ProSe UE needs to access the network to enter the connected state. In the case of a relatively congested network, the network needs to control the initiation of competition and/or the preparation for access.
- the ProSe UE performs the D2D discovery, and the configuration information is set based on the EAB mechanism, the ProSe UE with the AC value of 11 to 15 in the ProSe UE configured with the EAB will ignore any network broadcast. EAB information.
- the ProSe UE will perform AC barring to perform access control on the allocated contention pool/cell. If the EAB information of the network broadcast does not prohibit this ProSe UE, the ProSe UE will perform AC barring; otherwise the ProSe UE is prohibited from accessing the allocated contention pool/cell. If multiple core networks share the same access network, the access network uses EAB separately for different core networks.
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Abstract
本发明公开了一种近邻服务的接入控制方法和终端;所述方法包括:确定禁止接入的定时器是否在运行;当所述定时器在运行时,禁止ProSe UE发起小区接入请求或访问近邻服务接入竞争资源;当所述定时器没有在运行时,依据所述近邻服务接入控制信息包括的接入等级限制信息及用于ProSe通信的接入等级限制参数确定是否允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。本发明还同时公开了一种计算机存储介质。
Description
本发明涉及通信领域的接入控制技术,尤其涉及一种近邻服务的接入控制方法、近邻服务(Proximity-based Services,ProSe)用户设备(User Equipment,UE)和存储介质。
在无线通信领域,随着智能终端和移动互联网应用的快速发展,人们对用户体验和高速率、大数据量的要求越来越高。现有以基站为数据传递节点中心的蜂窝网络在高数据速率以及邻近服务的支持方面存在明显的局限性,在这种需求背景下,代表未来通信技术发展新方向的D2D(Device-to-Device,设备到设备)通信(所述D2D即包括上述近邻服务ProSe通信)技术应运而生。D2D技术的应用,可以减轻蜂窝网络的负担、减少用户设备的电池功耗、提高数据速率,并改善网络基础设施的鲁棒性,很好地满足上述高数据速率业务和邻近服务的要求。
D2D技术可以工作在授权频段或非授权频段,允许多个支持D2D功能的用户设备(即D2D用户设备,D2D User Equipment,D2D UE)在有网络基础设施或无网络基础设施的情况下进行直接发现/直接通信。D2D的应用场景主要有三种:
UE1和UE2在蜂窝网络的覆盖下进行数据交互,用户面数据不经过网络基础设施,如图1的模式1;在弱/无覆盖区域的UE中继传输,如图1中的模式2,允许信号质量较差的UE4通过附近有网络覆盖的UE3与网络进行通信,能帮助运营商扩展覆盖、提高容量。
在发生地震或紧急情况,蜂窝网络不能正常工作的情况下,允许设备
间直接通信,如图1中的模式3,UE5,UE6和UE7间控制面和用户面都不经过网络基础设施而进行一跳或多跳的数据通信。
D2D技术通常包括D2D发现技术和D2D通信技术:
D2D发现技术是指用于判断/确定两个或多个D2D用户设备之间相互邻近(例如在可进行D2D直接通信范围之内)或用于判断/确定第一用户设备邻近第二用户设备的技术。通常,D2D用户设备间可通过发送或接收发现信号/信息来发现对方,在有蜂窝网络覆盖下,网络可辅助D2D用户设备进行D2D发现;
D2D通信技术是指D2D用户设备之间部分或全部通信数据可以不通过网络基础设施而直接进行通信的技术。
近邻服务用户设备ProSe UE在进行D2D发现或D2D通信之前,都需要首先获取相应的无线资源,根据现有3GPP标准会议的进展,无论是D2D发现还是D2D通信资源,都存在两种资源分配方式,即基于竞争的资源获取(第一资源分配方式)或是由基站为UE分配专有的资源(第二资源分配方式)进行D2D发现/通信。第一资源分配方式通常由基站或是系统预分配一个D2D资源池,参与D2D发现/通信的ProSe UE监听该资源池,并通过竞争的方式获取D2D发送资源。而第二资源分配方式由基站根据ProSe UE的请求为ProSe UE分配合适的D2D资源。
同时,依据目前3GPP会议的结论,ProSe UE在进行D2D发现/通信有数据需要发送时,第二资源分配方式情况里,网络覆盖内的ProSe UE需要进入连接态来进行资源的申请,即ProSe UE需要接入网络,第一资源分配方式情况,ProSe UE依据需要通过竞争方式获取资源。在高负荷场景和/或高干扰场景下,在蜂窝网络通信中,是通过ACB(Access Class Barring接入等级限制)和EAB(Extended Access Barring扩展接入限制)来进行过载情况下的接入控制。但是现有技术中还没有提出对于近邻服务(即所述
D2D)的访问控制,以避免网络的负荷过重以及干扰过多的问题,尤其是在高负荷应用场景及高干扰场景下,不加控制的允许用户设备接入网络使用D2D服务,会导致网络负荷和干扰的进一步加剧。
发明内容
有鉴于此,本发明实施例期望提供一种近邻服务的接入控制方法、ProSe UE和存储介质,以减少使用近邻服务的用户设备接入导致的高负荷和高干扰的现象。
本发明实施例的技术方案是这样实现的:本发明实施例第一方面提供一种近邻服务的接入控制方法,所述方法包括:
确定禁止接入的定时器是否在运行;
当所述定时器在运行时,禁止ProSe UE发起小区接入请求或访问近邻服务接入竞争资源;
当所述定时器没有在运行时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数;
当所述近邻服务接入控制信息不包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述用于ProSe通信的接入等级限制参数还包括:用于ProSe通信的特殊接入等级的接入等级限制参数;所述用于ProSe通信的特殊接入等级的接入等级限制参数包括为指定值的第一类用于ProSe通信的特殊接入等级的接入等级限制参数;
所述方法还包括:
当所述近邻服务接入控制信息包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,确定所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe
通信的特殊接入等级的接入等级限制参数是否为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数;
当所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述用于ProSe通信的接入等级限制参数包括用于ProSe通信的接入等级限制因子;
所述方法还包括:
当所述ProSe UE的AC值没有第一指定AC值或所述ProSe UE的第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数不为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,生成一个随机数;
将所述随机数与用于ProSe通信的接入等级限制因子进行比较;
当所述随机数小于所述用于ProSe通信的接入等级限制因子时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述方法还包括:
当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,禁止所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述用于ProSe通信的接入等级限制参数还包括用于ProSe通信的接入等级限制时间参数;
所述方法还包括:
当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,依据所述ProSe通信的接入等级限制时间参数,确定禁止所述ProSe UE发起接
入请求或访问近邻服务接入竞争资源的禁止时间;
在所述禁止时间内均禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述ProSe UE对应有不同的优先等级;
不同优先等级的所述ProSe UE的所述第一AC值至少部分不同;
所述方法还包括:
确定所述ProSe的优先级;
依据所述优先级确定用于与所述随机数进行比较的用于ProSe通信的接入等级限制因子;
其中,第i优先级的所述ProSe UE的优先级低于第i-1优先级的ProSe UE;所述第i优先级所述ProSe UE对应的用于ProSe通信的接入等级限制因子为第i用于ProSe通信的接入等级限制因子;所述第i用于ProSe通信的接入等级限制因子低于所述第i-1用于ProSe通信的接入等级限制因子;
所述i为不小于2的整数。
基于上述方案,所述ProSe UE的AC值为与所述UE在蜂窝通信中的AC值相同。
基于上述方案,所述ProSe UE的AC值为专用于所述ProSe通信的AC值。
基于上述方案,所述方法还包括:
查询所述ProSe UE的配置信息;
当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,在指定时间内禁止所述ProSe UE发起请求接入或访问近邻服务接入竞争资源;
所述确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数,包括:
当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数。
基于上述方案,所述方法还包括:
从基站发送的系统消息或专用信令中接收所述近邻服务接入控制信息。
本发明实施例第二方面提供一种ProSe UE,所述ProSe UE包括:
第一确定单元,配置为确定禁止接入的定时器是否在运行;
禁止单元,配置为当所述定时器在运行时,禁止ProSe UE发起小区接入请求或访问近邻服务接入竞争资源;
第二确定单元,配置为当所述定时器没有在运行时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数;
允许单元,配置为当所述近邻服务接入控制信息不包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述用于ProSe通信的接入等级限制参数还包括:用于ProSe通信的特殊接入等级的接入等级限制参数;所述用于ProSe通信的特殊接入等级的接入等级限制参数包括为指定值的第一类用于ProSe通信的特殊接入等级的接入等级限制参数;
所述第二确定单元,还配置为当所述近邻服务接入控制信息包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,确定所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数是否为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数;
所述允许单元,还配置为当所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述用于ProSe通信的接入等级限制参数包括用于ProSe通信的接入等级限制因子;
所述ProSe UE还包括:
生成单元,配置为当所述ProSe UE的AC值没有第一指定AC值或所述ProSe UE的第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数不为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,生成一个随机数;
比较单元,配置为将所述随机数与用于ProSe通信的接入等级限制因子进行比较;
所述允许单元,还配置为当所述随机数小于所述接入等级限制因子时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述禁止单元,还用于当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,禁止所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述用于ProSe通信的接入等级限制参数还包括用于ProSe通信的接入等级限制时间参数;
第二确定单元,配置为当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,依据所述ProSe通信的接入等级限制时间参数,确定禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源的禁止时间;
所述禁止单元,还配置为在所述禁止时间内均禁止所述ProSe UE发起
接入请求或访问近邻服务接入竞争资源。
基于上述方案,所述ProSe UE对应有不同的优先等级;
不同优先等级的所述ProSe UE的所述第一指定AC值至少部分不同;
所述比较单元,还配置为确定所述ProSe的优先级;依据所述优先级确定用于与所述随机数进行比较的用于ProSe通信的接入等级限制因子;
其中,第i优先级的所述ProSe UE的优先级低于第i-1优先级的ProSe UE;所述第i优先级所述ProSe UE对应的用于ProSe通信的接入等级限制因子为第i用于ProSe通信的接入等级限制因子;所述第i用于ProSe通信的接入等级限制因子低于所述第i-1用于ProSe通信的接入等级限制因子;
所述i为不小于2的整数。
基于上述方案,所述ProSe UE的AC值为与所述UE在蜂窝通信中的AC值相同。
基于上述方案,所述ProSe UE的AC值为专用于所述ProSe通信的AC值。
基于上述方案,所述ProSe UE还包括:
查询单元,配置为查询所述ProSe UE的配置信息;
所述禁止单元,还配置为当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,在指定时间内禁止所述ProSe UE发起请求接入或访问近邻服务接入竞争资源;
所述第二确定单元,还配置为当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数。
基于上述方案,所述ProSe UE还包括:
接收单元,配置为从基站发送的系统消息或专用信令中接收所述近邻服务接入控制信息。
本发明实施例第三方面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用于执行本发明实施例第一方面所述方法的至少其中之一。
本发明实施例接入控制方法、ProSe UE和存储介质,ProSe UE依据基站发送的接入控制信息中的接入控制等级信息及用于ProSe通信的接入等级限制参数确定当前小区是否允许接入,避免现有技术中不管当前小区的繁忙程度,直接接入小区,导致高负荷和/或高干扰的小区的繁忙度和干扰度进一步增强的现象;从而减少了使用近邻服务的用户设备接入导致的高负荷和高干扰的现象。
图1为近邻服务的三种通信模式的示意图;
图2为本发明实施例所述的近邻服务的接入控制方法的流程示意图之一;
图3为本发明实施例所述的近邻服务的接入控制方法的流程示意图之二;
图4为本发明实施例所述的ProSe UE的结构示意图之一;
图5为本发明实施例所述的近邻服务的接入控制方法的流程示意图之三;
图6为本发明实施例所述的近邻服务的接入控制方法的流程示意图之四。
以下结合说明书附图及具体实施例对本发明的技术方案做进一步的详细阐述,应当理解,以下所说明的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
本发明实施例中将提供一种近邻服务的接入控制方法及ProSe UE,将根据基站发送的近邻服务接入控制信息,确定是否允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源,这样就达到了控制ProSe UE接入的目的,能够高负荷或高干扰的情形下,通过所述接入控制信息的接收,避免发起接入小区。
方法实施例:
如图2所示,本实施例提供一种近邻服务的接入控制方法,所述方法包括:
步骤S110:确定禁止接入的定时器是否在运行;
步骤S120:当所述定时器在运行时,禁止ProSe UE发起小区接入请求或访问近邻服务接入竞争资源;
步骤S130:当所述定时器没有在运行时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数;
步骤S140:当所述近邻服务接入控制信息不包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
所述定时器可为用户设备UE中的T302或Tbarring等定时器;这些定时器的开启通常会导致用户设备UE一段时间内不允许发起接入请求或访问接入竞争资源。
所述T302的构成以及计时启动时机均可参见现有通信协议中的规定,在此就不再赘述了。所述Tbarring的计时启动可以是根据从基站接收的近邻服务接入控制信息中来确定的。
在本实施例中当查询了所述定时器没有在运行时,确定从基站(如演进型基站eNB)接收的近邻服务接入控制信息中是否包括接入等级限制信息ac-BarringInfo和用于ProSe通信的接入等级限制参数
ac-BarringForProSeComm。
当没有包括所述接入等级限制信息和所述用于ProSe通信的接入等级限制参数时,则表示基站当前不想限制所述ProSe UE的ProSe通信接入,从而将允许所述ProSe UE发起ProSe通信的接入请求或访问近邻服务接入竞争资源,以进入指定的小区。
通常所述近邻服务接入控制信息是由ProSe UE所在地理位置与其能够建立无线连接的基站发送的。
所述步骤S130中ProSe UE发起的接入请求可以是接入ProSe UE当前所在的小区,也可以是ProSe UE当前所在小区的基站在所述ProSe UE所在位置处形成的其他小区。在步骤S130中所述接入请求为近邻服务接入请求。
所述用于ProSe通信的接入等级限制参数ac-BarringForProSeComm还包括:用于ProSe通信的特殊接入等级的接入等级限制参数ac-BarringForSpecialAC。
所述用于ProSe通信的特殊接入等级的接入等级限制参数包括为指定值的第一类用于ProSe通信的特殊接入等级的接入等级限制参数。
所述指定值为所述ac-BarringForSpecialAC对应的一个或多个比特为指定序列;具体如当所述ac-BarringForSpecialAC对应为1个比特时,可认为该比特的为0的ac-BarringForSpecialAC为所述第一类ac-BarringForSpecialAC。具体如的所述指定值可以是根据通信协议确定的,也可以是基于基站和UE之间的协商确定的。
可选地,如图3所示,本实施例所述的方法还包括:
步骤S150:当所述近邻服务接入控制信息包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,确定所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用
于ProSe通信的特殊接入等级的接入等级限制参数是否为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数。
步骤S160:当所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
ProSe UE的所述AC值包括AC值为0、1、2……9的10个AC值,所述AC值还可包括为11至15的5个AC值。所述AC值还可以包括在用于蜂窝通信的AC值的基础上新增的一个或多个AC值,具体如取值为16或17的AC值。一个ProSe UE可能包括多个取值不同的AC值。在本实施例中所述步骤S160为判断所述ProSe UE的1个或多个AC值是否有一个时指定的第一指定AC值。所述第一指定AC值可以为上述AC值中的一个或多个指定的AC值。
具体如,若当前第一指定AC值的取值可包括为11至15;若当前ProSe UE的AC值是0至9中具体取值为4的AC值,则确定所述前ProSe UE的AC值不包括所述第一指定AC值。若ProSe UE包括多个AC值,若这些AC值中包括为12的AC值,则确定所述ProSe UE的AC值中至少有一个是所述第一指定AC值。
在本实施例中用户设备UE根据基站发送的近邻服务接入控制信息,确定是否发起接入请求或访问近邻服务接入竞争资源;这样可以方便基站根据其自身的负荷以及测量的小区的干扰程度设置所述ac-BarringForSpecialAC,进而达到控制ProSe UE的接入控制。所述用于ProSe通信的接入等级限制参数包括用于ProSe通信的接入等级限制因子;
如图3所示,所述方法还包括:
步骤S170:当所述ProSe UE的AC值没有第一指定AC值或所述ProSe UE的第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数不为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,生成一个随机数;
步骤S180:将所述随机数与用于ProSe通信的接入等级限制因子进行比较;
步骤S190:当所述随机数小于所述接入等级限制因子时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
基于上述方案,如图3所示,所述方法还包括:
步骤S200:当所述随机数不小于所述用于ProSe通信的接入等级限制因子ac-BarringProSeFactor时,禁止所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
所述随机数为随机生成的。所述随机数的取值范围与所述用于ProSe通信的接入等级限制因子的取值范围相同,当所述用于ProSe通信的接入等级限制因子取值范围0到1时,则所述用于ProSe通信的接入等级限制因子也为0到1;且通常取值范围内数为均匀分布的随机数。
所述取值范围可是基站和用户设备UE之间按照通信协议来确定的或基于协商确定的。
在生成随机数时,根据统计概率用户设备生成任意一个随机数的概率都是相同的;此时若所述用于ProSe通信的接入等级限制因子的数值大,则所述ProSe UE被允许发起接入请求或访问近邻服务接入竞争资源的概率更大。
当基站繁忙时,可以通过设置取值更低的用于ProSe通信的接入等级限制因子来限制ProSe UE的接入。
假如所述ProSe UE包括2个优先级,如在为0至9的AC值中,可认
为0至4的AC值对应的优先级高于为5至9的AC值。所述ProSe UE可从基站接收两个大小不等的用于ProSe通信的接入等级限制因子来限制ProSe UE,当确定ProSe UE的AC值为0至4的AC值时,其用于ProSe通信的接入等级限制因子大于ProSe UE的AC值为5至9的用于ProSe通信的接入等级限制因子,可以使限制AC值为5至9的ProSe UE来保证限制所述AC值为0至4的ProSe UE有更多的发送接入请求或访问竞争资源机会。
所述用于ProSe通信的接入等级限制参数还包括用于ProSe通信的接入等级限制时间参数;
所述方法还包括:
当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,依据所述ProSe通信的接入等级限制时间参数ac-BarringProSeTime,确定禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源的禁止时间;
在所述禁止时间内均禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源。
此处,所述禁止时间的计时可以采用步骤S110中的Tbarring来进行。
在本实施例中当一个ProSe UE被禁止发起接入请求或访问竞争资源时,还将在确定出禁止发起接入请求或访问竞争资源后启动对禁止接入的禁止时间的计时,这样能够避免ProSe UE在被禁止接入之后,不断反复执行步骤S110至步骤S200,导致UE的能耗大的问题。
此外,所述ProSe UE对应有不同的优先等级;不同优先等级的所述ProSe UE的所述第一AC值至少部分不同。
所述方法还包括:确定所述ProSe的优先级;依据所述优先级确定用于与所述随机数进行比较的用于ProSe通信的接入等级限制因子。第i优先级的所述ProSe UE的优先级低于第i-1优先级的ProSe UE。所述第i优先级
所述ProSe UE对应的用于ProSe通信的接入等级限制因子为第i用于ProSe通信的接入等级限制因子。所述第i用于ProSe通信的接入等级限制因子低于所述第i-1用于ProSe通信的接入等级限制因子;所述i为不小于2的整数。
在实现时,所述ProSe UE的优先级可以由专门的优先级参数来确定,也可以由非第一指定AC值来确定,但是在本实施例中由所述第一指定AC值来确定,这样能够简化所述近邻服务接入控制信息,从而能够简化基站形成所述近邻服务接入控制信息的步骤,且能够减少所述近邻服务接入控制信息的信息量。
上述方案表明:高优先级的所述ProSe的AC值对应的所述用于ProSe通信的接入等级限制因子,大于低优先级的所述ProSe的AC值对应的所述用于ProSe通信的接入等级限制因子。
具体如,所述ProSe UE的优先级包括高优先级和非高优先级;所述非高优先级比所述高优先级的优先级别低。这样就能保证高优先级有更高的概率进行ProSe通信的接入。
在实现时,所述用于ProSe通信的接入等级限制参数包括多个用于ProSe通信的接入等级限制因子;不同的用于ProSe通信的接入等级限制因子对应了不同的ProSe UE的AC值;而这些AC值又对应了不同的优先级。
不同AC值可能对应的优先级不同,也可以是同一AC值的不同属性值对应了不同的优先级。总之所述ProSe UE的AC值与ProSe UE的优先级具有一定的映射关系。通常能用于表示ProSe UE的优先级的AC值为所述第一指定AC值中的AC值;具体如当所述第一AC值包括为11至15的AC值,同时还包括新增的为16或17的AC值,其可能某一个第一AC值的ProSe UE优先级高于另一个第一AC值的ProSe UE。基于上述方案,包含有第一指定AC值的ProSe UE的优先级可能比AC值为0至9的AC值的
ProSe UE的优先级。具体哪一个AC值对应的是高优先级,可以根据基站与UE之间的协商来确定,也可以是根据通信协议来确定。
在本实施例中为了使优先级高的ProSe UE能够有更高接入概率,对应于优先等级更高的ProSe UE的用于ProSe通信的接入等级限制因子的取值更高,从而生成的随机数小于所述用于ProSe通信的接入等级限制因子的概率更大。
具体如,当所述AC值中为11至15的AC值为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数ac-BarringForSpecialAC时,若当前ProSe UE的AC值中包括13的AC值,则确认所述ProSe UE的AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数包括所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数,这时将允许其发起接入请求和访问竞争资源。
本实施例所述的ProSe UE中存储的AC值或所述近邻服务接入控制信息的AC值均可为蜂窝通信中的AC值是相同的,此时,所述AC值既可用于蜂窝通信,还用于本实施例所述的ProSe通信中。由于AC值的应用在蜂窝通信中已经应用的很广泛了,故ProSe通信可以直接复用蜂窝通信的AC值,而不用再重新专门设置,从而具有与蜂窝通信具有很强的兼容性,简化接入操作。此时,所述第一指定AC值显然也可是用于蜂窝通信中使用的一个或多个AC值。
此外,所述ProSe UE的AC值为专用于所述ProSe通信的AC值。所述AC值专门用于ProSe通信,显然与蜂窝通信中的AC值是独立的,但是也可以采用上述流程进行ProSe通信;这种设置方式的优点是,有利于分别对蜂窝通信和ProSe通信进行控制。
在具体的实现过程中,所述ProSe UE自身存储的AC值,可以存储在所述ProSe UE携带的SIM或USIM卡中。所述SIM为Subscriber Identity
Module客户识别模块的缩写,也称为用户身份识别卡、智能卡;通常是无线通信中基于无线通信标识进行通信的必要设备之一。所述USIM为Universal Subscriber Identity Module的缩写。所述USIM卡是指第三代手机卡,又称(用户全球识别卡,或全球用户身份模块(USIM),时也叫做升级后SIM卡。
所述方法还包括:
查询所述ProSe UE的配置信息;
当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,在指定时间内禁止所述ProSe UE发起请求接入或访问近邻服务接入竞争资源;
所述确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数,包括:
当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数。
所述近邻服务接入控制信息可包括基于接入等级限制(Access Class Barring,ACB)机制的近邻服务接入控制信息,也可以包括基于扩展接入限制(Extended Access Barring,EAB)机制的紧邻服务接入控制信息。
所述步骤S110至步骤S200内使用的近邻服务接入控制信息可为基于ACB机制的近邻服务接入控制信息,而与ProSe UE内的配置信息结合使用,以限制部分UE接入的近邻服务接入控制信息,则可为基于所述EAB机制的近邻服务接入控制信息。
在进行所述ProSe接入时,通常包括发现过程和通信过程,在本实施例中可选为所述基于ACB机制的近邻服务接入控制信息用于ProSe接入的通信过程中,而所述基于所述EAB机制的近邻服务接入控制信息则优选为应
用于ProSe接入的发现过程中。
有一部分用户设备通过接收所述基站发送的信息形成所述配置信息,也可以是在进行设备生成时形成所述配置信息,或由SIM卡或USIM卡来存储所述配置信息;而所述SIM或USIM通常又决定了通信标识,故所述配置信息可为依据通信标识的不同而形成的配置信息。
所述方法还包括:
从基站发送的系统消息或专用信令中接收所述近邻服务接入控制信息。
具体如从广播信道上接收所述系统消息,所述系统消息中包括了所述接入控制信息。还可以从专门用于传输所述接入控制信息的专用信息中获取所述接入控制信息。这两种方法均具有实现简便的优点。在具体实现过程中,所述基站可能会周期性的广播所述系统消息或专用信令,则此时执行上述方法的所述ProSe UE可以周期性的从所述广播信道上接收所述近邻服务接入控制信息,并用于该周期内控制所述ProSe UE近邻服务的接入。
设备实施例:
如图4所示,本实施例提供一种ProSe UE,所述ProSe UE包括:
第一确定单元110,配置为确定禁止接入的定时器是否在运行;
禁止单元120,配置为当所述定时器在运行时,禁止ProSe UE发起小区接入请求或访问近邻服务接入竞争资源;
第二确定单元130,配置为当所述定时器没有在运行时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数;
允许单元140,配置为当所述近邻服务接入控制信息不包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
本实施例所述的ProSe UE为用于近邻服务的用户设备,具体如可用于近邻服务的手机或平板电脑等通信终端。
所述定时器为具有计时功能的计时器件。
所述第一确定单元110、禁止单元120、第二确定单元130和允许单元140均可为包括具有信息处理功能的结构,具体如可包括处理器和存储介质;所述处理器和所述存储介质之间通过内部通信接口(如总线)连接。所述存储介质上可以存储有可执行代码;所述处理器通过读取并运行所述可执行代码,能够实现所述第一确定单元110、禁止单元120、第二确定单元130和允许单元140的功能。
所述第一确定单元110、禁止单元120、第二确定单元130和允许单元140中的任意两个可集成对应相同的处理器,或分别对应不同的处理器;当所述第一确定单元110、禁止单元120、第二确定单元130和允许单元140中的任意两个集成对应相同的处理器时,所述处理器采用时分复用或并发线程实现不同单元的功能。
所述处理器可包括应用处理器AP、数字信号处理器DSP、中央处理器CPU、微处理器MCU或可编程逻辑阵列等具有信息处理功能的电子元器件。
所述接入等级限制信息及用于ProSe通信的接入等级限制参数的定义可参见方法实施例中,在此就不再做进一步的详细阐述了。
综合上述,本实施例所述的ProSe UE可用于为上述方法实施例提供具体的实现硬件,具有结构简单及智能性高的优点,同时还能达到控制UE接入小区或访问ProSe通信竞争资源的目的。
可选地,所述用于ProSe通信的接入等级限制参数还包括:用于ProSe通信的特殊接入等级的接入等级限制参数;所述用于ProSe通信的特殊接入等级的接入等级限制参数包括为指定值的第一类用于ProSe通信的特殊接
入等级的接入等级限制参数;
所述第二确定单元130,还配置为当所述近邻服务接入控制信息包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,确定所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数是否为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数;
所述允许单元140,还配置为当所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
本实施例在上一设备技术方案的基础上,进一步明确了所述第二确定单元130和允许单元130可以根据近邻服务接入控制信息中的ac-BarringForSpecialAC来确定是否发起ProSe通信接入请求或访问近邻服务接入竞争资源。其中,所述第一指定AC值同样可以是由基站确定的,并且承载在所述近邻服务接入控制信息发送给所述ProSe UE的。
所述用于ProSe通信的接入等级限制参数包括用于ProSe通信的接入等级限制因子;
所述第二确定单元130,还配置为当所述近邻服务接入控制信息包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,确定所述ProSe UE的AC值是否至少有一个为第一指定AC值;
所述ProSe UE还包括:
生成单元,配置为当所述ProSe UE的AC值没有第一指定AC值,或所述ProSe UE的第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数不为所述第一类用于ProSe通信的特殊接入等级的接入
等级限制参数时,生成一个随机数;
比较单元,配置为将所述随机数与用于ProSe通信的接入等级限制因子进行比较;
所述允许单元140,还配置为当所述随机数小于所述接入等级限制因子时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
所述生成单元的具体结构同样可包括具有信息处理功能的各种器件。
所述比较单元可包括比较器、比较电路或具有比较功能的处理器等结构。
所述允许单元140的具体结构可参见前述部分,在此就不再重复了。
在本实施例中通过生成单元和比较单元的进一步设置,进一步增加了控制所述ProSe接入的控制实现方式,具有实现简单,电子设备的智能性高的优点。
基于上述方案,所述禁止单元120,还配置为当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,禁止所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
所述用于ProSe通信的接入等级限制参数还包括用于ProSe通信的接入等级限制时间参数;
所述ProSe UE还包括:
第二确定单元130,配置为当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,依据所述ProSe通信的接入等级限制时间参数,确定禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源的禁止时间;
所述禁止单元120,还配置为在所述禁止时间内均禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源。
所述第二确定单元130还可包括计时器;所述计时器用于进行所述禁
止时间计时。
所述ProSe UE对应有不同的优先等级;不同优先等级的所述ProSe UE的所述第一AC值至少部分不同。
所述比较单元,还配置为确定所述ProSe的优先级;及依据所述优先级确定用于与所述随机数进行比较的用于ProSe通信的接入等级限制因子;
其中,第i优先级的所述ProSe UE的优先级低于第i-1优先级的ProSe UE;所述第i优先级所述ProSe UE对应的用于ProSe通信的接入等级限制因子为第i用于ProSe通信的接入等级限制因子;所述第i用于ProSe通信的接入等级限制因子低于所述第i-1用于ProSe通信的接入等级限制因子;所述i为不小于2的整数。
本实施例中所述的AC值,可以为与蜂窝通信进行复用的AC值,则此时,所述ProSe UE的AC值为与所述UE在蜂窝通信中的AC值相同。
于此同时,本实施例中所述的AC值,还可为专用于本ProSe通信的AC值,则此时所述ProSe UE的AC值为专用于所述ProSe通信的AC值。基于上述方案,所述ProSe UE还包括:
查询单元,配置为查询所述ProSe UE的配置信息;
所述禁止单元120,还配置为当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,在指定时间内禁止所述ProSe UE发起请求接入或访问近邻服务接入竞争资源;
所述第二确定单元130,还配置为当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数。
所述ProSe UE还包括:
接收单元,配置为从基站发送的系统消息或专用信令中接收所述近邻服务接入控制信息。
所述接收单元110可包括接收接口,具体如接收天线。
综合上述,本实施例提供了用户设备,可以用于实现上述方法实施例所述技术方案,同样的能够控制ProSe UE接入小区或访问竞争资源,能够避免在高干扰或高负荷情形下的ProSe UE的接入,导致蜂窝通信和ProSe通信的通信质量都差的问题。
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用于本发明实施例所述方法的至少其中之一;具体如图2、图3、图5及图6中所示方法中的一个或多个。
本实施例所述的计算机存储介质可为动存储设备、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质,在本实施例中所述计算机存储介质可为非瞬间存储介质;方便稳定存储所述程序代码。
以下结合上述任意技术方案,提供几个具体示例:
示例一:
本示例描述的为ProSe UE为D2D通信发起竞争资源和/或申请接入网络准备时使用蜂窝ACB机制AC值接入小区的流程。通过发起竞争资源接入小区的方式为D2D通信中的第一资源分配方式;基于申请接入网络的方式为D2D通信中的第二资源分配方式。在第二资源分配方式里,为了能够向eNB申请资源进行D2D通信的数据发送等,ProSe UE需要接入网络进入连接态。
ProSe UE在需要进行D2D通信时,在网络较为拥塞情况下,网络需对竞争发起和/或申请接入准备进行控制。ProSe UE使用其在蜂窝网络中被设置的ACB机制中的AC值进行竞争发起和/或接入情况的控制;同时其它与为D2D通信接入相关的ACB参数由eNB通过ProSe的系统信息或专用信
令进行传递,参数信息包括“ac-BarringInfo”、“ac-BarringForProSeComm”、“ac-BarringProSeFactor”、“ac-BarringProSeForSpecialAC”及“ac-BarringProSeTime”等;在获取这些信息参数后,ProSe UE在为D2D通信进行发起竞争资源和/或申请接入网络准备时,使用ProSe相关的ACB参数进行计算及判断,以确定是否接入所述ProSe UE小区是否要接入的。
如图5所示,本示例所述ProSe UE进行为D2D通信发起竞争资源和/或申请接入网络准备时使用蜂窝ACB机制AC值包括:
步骤S101:判断T302或Tbarring等是否在运行。所述T302和所述T303等均为上述实施例中所述的禁止接入计时器。当所述T302或Tbarring等在运行时,进入步骤S108;当所述T302或Tbarring等没有运行时,进入步骤S102。所述Tbarring或T302等在运行表示禁止接入计时器有效,禁止接入的时间还未结束。所述Tbarring或T302等没有运行表示禁止接入计时器无效,禁止接入的时间已经结束或没有启动禁止接入计时。
步骤S102:判断从基站接收的接入控制信息中是否包括ac-BarringInfo和ac-BarringForProSeComm;若是,则进入步骤S103;若否,则进入步骤S104。
步骤S103:判断ProSe UE是否有一个或多个AC值为11至15,且所述ProSe UE的11至15的AC值对应的ac-BarringForSpecialAC对应比特设置是否为0,若是,则进入步骤S104,若否,则进入步骤S105。
步骤S104:准许访问被分配的竞争资源池或小区。
步骤S105:取一个在【0,1】之间的随机数。
步骤S106:判断随机数是否低于ac-BarringForProSeComm中接入限制因子ac-BarringFactor的值;若是,则进入步骤S104,若否,则进入步骤S107。
步骤S107:禁止访问被分配的竞争资源池或小区。
基于本示例的进一步改进,在公共安全领域和/或其它特殊情况中,ProSe UE可分为高优先级的ProSe UE和非高优先级ProSe UE两类级别。高优先级的ProSe UE比非高优先级的ProSe UE拥有更高的接入级别;被设置为高优先级的ProSe UE,需要在紧急情况下能优先享有获取资源及发送数据等权限,将这类ProSe UE其接入等级设置为特殊的高优先级的AC值之一,如AC值为12等。再通过接入控制信息发送具有高优先级的AC值,这样ProSe UE在通过与自身的AC值的匹配,使高优先级的ProSe UE具有更大的几率访问竞争资源池或小区。
示例二:
如图6所示,本示例所述ProSe UE进行为D2D通信发起竞争资源和/或申请接入网络准备时使用蜂窝ACB机制AC值包括:
步骤S101:判断T302或Tbarring等是否在运行。所述T302和所述Tbarring等均为上述实施例中所述的禁止接入计时器。当所述T302或Tbarring等在运行时,进入步骤S108;当所述T302或Tbarring等没有运行时,进入步骤S102。所述Tbarring或T302等在运行表示禁止接入计时器有效,禁止接入的时间还未结束。所述Tbarring或T302等没有运行表示禁止接入计时器无效,禁止接入的时间已经结束或没有启动禁止接入计时。
步骤S102:判断从基站接收的接入控制信息中是否包括ac-BarringInfo和ac-BarringForProSeComm;若是,则进入步骤S103;若否,则进入步骤S104。
步骤S103’:判断ProSe UE是否有一个或多个AC值为第一指定AC值,且所述ProSe UE第一指定AC值对应的ac-BarringForSpecialAC对应比特设置是否为0,若是,则进入步骤S104,若否,则进入步骤S105A。此处,所述第一指定AC值包括在蜂窝通信提供的AC值的基础上增设的一个或多个AC值,具体如取值为16或17的AC值等。
步骤S104:准许访问被分配的竞争资源池或小区。
步骤S105A:确定所述ProSe UE是否包括高优先级的AC值;若是进入步骤S105B;若否进入步骤S105C;
步骤S105B:确定高优先级AC值对应的第一接入限制因子ac-BarringFactor1的值;
步骤S105C:确定高优先级AC值对应的第一接入限制因子ac-BarringFactor2的值
步骤S105:取一个在【0,1】之间的随机数。
步骤S106:判断随机数是否低于ac-BarringForProSeComm中接入限制因子ac-BarringFactor的值;若是,则进入步骤S104,若否,则进入步骤S107。此处的ac-BarringFactor,当所述Prose UE包括高优先级AC值时,所述ac-BarringFactor为所述ac-BarringFactor1;当所述Prose UE不包括高优先级AC值时,所述ac-BarringFactor为所述ac-BarringFactor2。
步骤S107:禁止访问被分配的竞争资源池或小区。
示例三:ProSe UE在需要进行D2D发现时,ProSe UE需要通过竞争方式获得资源。在第二资源分配方式里,为了能够向eNB申请资源进行D2D发现的数据发送等,ProSe UE需要接入网络进入连接态。在网络较为拥塞情况下,网络需对竞争发起和/或申请接入准备进行控制。ProSe UE在进行D2D发现时,其基于EAB机制设置有配置信息,则在被配置了EAB的ProSe UE进行初始紧急呼叫、ProSe通信的AC值为11至15的ProSe UE将忽略任何网络广播的任何EAB信息。如果网络没有广播EAB信息,ProSe UE将执行AC barring,对被分配的竞争资源池/小区进行访问控制。如果网络广播的EAB信息没有禁止这个ProSe UE,那么ProSe UE将执行AC barring;否则此ProSe UE对被分配的竞争资源池/小区被禁止访问。如果多个核心网共享同一个接入网,接入网对于不同的核心网要分别使用EAB。
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,凡按照本发明原理所作的修改,都应当理解为落入本发明的保护范围。
Claims (21)
- 一种近邻服务的接入控制方法,所述方法包括:确定禁止接入的定时器是否在运行;当所述定时器在运行时,禁止ProSe UE发起小区接入请求或访问近邻服务接入竞争资源;当所述定时器没有在运行时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数;当所述近邻服务接入控制信息不包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
- 根据权利要求1所述的方法,其中,所述用于ProSe通信的接入等级限制参数还包括:用于ProSe通信的特殊接入等级的接入等级限制参数;所述用于ProSe通信的特殊接入等级的接入等级限制参数包括为指定值的第一类用于ProSe通信的特殊接入等级的接入等级限制参数;所述方法还包括:当所述近邻服务接入控制信息包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,确定所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数是否为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数;当所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数为所述第一类用于ProSe通信的特殊接入等级的接入等级限制 参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
- 根据权利要求2所述的方法,其中,所述用于ProSe通信的接入等级限制参数包括用于ProSe通信的接入等级限制因子;所述方法还包括:当所述ProSe UE的AC值没有第一指定AC值或所述ProSe UE的第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数不为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,生成一个随机数;将所述随机数与用于ProSe通信的接入等级限制因子进行比较;当所述随机数小于所述用于ProSe通信的接入等级限制因子时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
- 根据权利要求3所述的方法,其中,所述方法还包括:当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,禁止所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
- 根据权利要求4所述的方法,其中,所述用于ProSe通信的接入等级限制参数还包括用于ProSe通信的接入等级限制时间参数;所述方法还包括:当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,依据所述ProSe通信的接入等级限制时间参数,确定禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源的禁止时间;在所述禁止时间内均禁止所述ProSe UE发起接入请求或访问近邻服务 接入竞争资源。
- 根据权利要求3、4或5所述的方法,其中,所述ProSe UE对应有不同的优先等级;不同优先等级的所述ProSe UE的所述第一AC值至少部分不同;所述方法还包括:确定所述ProSe的优先级;依据所述优先级确定用于与所述随机数进行比较的用于ProSe通信的接入等级限制因子;其中,第i优先级的所述ProSe UE的优先级低于第i-1优先级的ProSe UE;所述第i优先级所述ProSe UE对应的用于ProSe通信的接入等级限制因子为第i用于ProSe通信的接入等级限制因子;所述第i用于ProSe通信的接入等级限制因子低于所述第i-1用于ProSe通信的接入等级限制因子;所述i为不小于2的整数。
- 根据权利要求2至5任一项所述的方法,其中,所述ProSe UE的AC值为与所述UE在蜂窝通信中的AC值相同。
- 根据权利要求2至5任一项所述的方法,其中,所述ProSe UE的AC值为专用于所述ProSe通信的AC值。
- 根据权利要求1至5任一项所述的方法,其中,所述方法还包括:查询所述ProSe UE的配置信息;当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,在指定时间内禁止所述ProSe UE发起请求接入或访问近邻服务接入竞争资源;所述确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数,包括:当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数。
- 根据权利要求1所述的方法,其中,所述方法还包括:从基站发送的系统消息或专用信令中接收所述近邻服务接入控制信息。
- 一种ProSe UE,所述ProSe UE包括:第一确定单元,配置为确定禁止接入的定时器是否在运行;禁止单元,配置为当所述定时器在运行时,禁止ProSe UE发起小区接入请求或访问近邻服务接入竞争资源;第二确定单元,配置为当所述定时器没有在运行时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数;允许单元,配置为当所述近邻服务接入控制信息不包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
- 根据权利要求11所述的ProSe UE,其中,所述用于ProSe通信的接入等级限制参数还包括:用于ProSe通信的特殊接入等级的接入等级限制参数;所述用于ProSe通信的特殊接入等级的接入等级限制参数包括为指定值的第一类用于ProSe通信的特殊接入等级的接入等级限制参数;所述第二确定单元,还配置为当所述近邻服务接入控制信息包括所述接入等级限制信息及用于ProSe通信的接入等级限制参数时,确定所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一 指定AC值对应的配置为ProSe通信的特殊接入等级的接入等级限制参数是否为所述第一类配置为ProSe通信的特殊接入等级的接入等级限制参数;所述允许单元,还配置为当所述ProSe UE的AC值是否至少有一个为第一指定AC值且所述ProSe UE第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
- 根据权利要求12所述的方法,其中,所述用于ProSe通信的接入等级限制参数包括用于ProSe通信的接入等级限制因子;所述ProSe UE还包括:生成单元,配置为当所述ProSe UE的AC值没有第一指定AC值或所述ProSe UE的第一指定AC值对应的用于ProSe通信的特殊接入等级的接入等级限制参数不为所述第一类用于ProSe通信的特殊接入等级的接入等级限制参数时,生成一个随机数;比较单元,配置为将所述随机数与用于ProSe通信的接入等级限制因子进行比较;所述允许单元,还配置为当所述随机数小于所述接入等级限制因子时,允许所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
- 根据权利要求13所述的ProSe UE,其中,所述禁止单元,还配置为当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,禁止所述ProSe UE发起小区接入请求或访问近邻服务接入竞争资源。
- 根据权利要求14所述的ProSe UE,其中,所述用于ProSe通信的接入等级限制参数还包括用于ProSe通信的接入等级限制时间参数;第二确定单元,配置为当所述随机数不小于所述用于ProSe通信的接入等级限制因子时,依据所述ProSe通信的接入等级限制时间参数,确定禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源的禁止时间;所述禁止单元,还配置为在所述禁止时间内均禁止所述ProSe UE发起接入请求或访问近邻服务接入竞争资源。
- 根据权利要求13、14或15所述的ProSe UE,其中,所述ProSe UE对应有不同的优先等级;不同优先等级的所述ProSe UE的所述第一指定AC值至少部分不同;所述比较单元,还配置为确定所述ProSe的优先级;依据所述优先级确定用于与所述随机数进行比较的用于ProSe通信的接入等级限制因子;其中,第i优先级的所述ProSe UE的优先级低于第i-1优先级的ProSe UE;所述第i优先级所述ProSe UE对应的用于ProSe通信的接入等级限制因子为第i用于ProSe通信的接入等级限制因子;所述第i用于ProSe通信的接入等级限制因子低于所述第i-1用于ProSe通信的接入等级限制因子;所述i为不小于2的整数。
- 根据权利要求12至15任一项所述的ProSe UE,其中,所述ProSe UE的AC值为与所述UE在蜂窝通信中的AC值相同。
- 根据权利要求12至15任一项所述的ProSe UE,其中,所述ProSe UE的AC值为专用于所述ProSe通信的AC值。
- 根据权利要求11至15任一项所述的ProSe UE,其中,所述ProSe UE还包括:查询单元,配置为查询所述ProSe UE的配置信息;所述禁止单元,还配置为当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,在指定时间内禁止所述ProSe UE发起请求接入或访问近邻服务接入竞争资源;所述第二确定单元,还配置为当所述ProSe UE为所述近邻服务接入控制信息中限制接入的UE时,确定近邻服务接入控制信息是否包括接入等级限制信息及用于ProSe通信的接入等级限制参数。
- 根据权利要求11至15任一项所述的ProSe UE,其中,所述ProSe UE还包括:接收单元,配置为从基站发送的系统消息或专用信令中接收所述近邻服务接入控制信息。
- [根据细则26改正08.06.2015]
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用于执行权利要求1至10所述方法的至少其中之一。
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