WO2018086010A1 - 控制协议数据单元pdu发送方法及装置 - Google Patents
控制协议数据单元pdu发送方法及装置 Download PDFInfo
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- WO2018086010A1 WO2018086010A1 PCT/CN2016/105202 CN2016105202W WO2018086010A1 WO 2018086010 A1 WO2018086010 A1 WO 2018086010A1 CN 2016105202 W CN2016105202 W CN 2016105202W WO 2018086010 A1 WO2018086010 A1 WO 2018086010A1
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- configuration information
- bearer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
Definitions
- the present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for transmitting a control protocol data unit PDU.
- a PDU (Protocol Data Unit) of an RLC (Radio Link Control) entity includes a data PDU and a control PDU.
- the control PDU may include an RLC status report.
- the RLC entity in the communication device needs to send a PDU to a MAC (Media Access Control) entity on a certain logical channel
- the RLC entity indicates to the MAC entity the amount of data to be sent, in each scheduling period.
- the MAC entity allocates transmission resources according to the priority of the logical channel and the QoS (Quality Of Service).
- the RLC entity preferentially assembles the control PDU, and then assembles the data PDU to adapt the size of the transmission resource.
- the assembled data is sent to the MAC entity on the corresponding logical channel, and the MAC entity forwards the PDU.
- the present disclosure provides a method and apparatus for transmitting a control protocol data unit PDU.
- a control protocol data unit PDU sending method for use in a communications device, the method comprising:
- the RLC entity of the communication device When there is a control PDU to be sent, the RLC entity of the communication device sends the control PDU to the MAC entity of the communication device on a logical channel corresponding to the dedicated bearer;
- the control PDU is transmitted by the MAC entity according to the priority that the logical channel is promoted.
- the logical channel corresponding to the dedicated bearer is a dedicated logic used only for transmitting control PDUs. Edit the channel.
- the method further includes:
- the bearer configuration information of the data bearer to which the control PDU belongs includes first indication information, where the first indication information is used to indicate whether the control PDU is sent on the dedicated logical channel.
- the dedicated bearer is a bearer that is preferentially scheduled when the control PDU is sent on the corresponding logical channel.
- the method further includes:
- the method further includes:
- the method further includes:
- the bearer configuration information for configuring the dedicated bearer is generated and sent, where the bearer configuration information is used to indicate that the UE (User Equipment) configures the dedicated bearer;
- the communication device When the communication device is a UE, receiving bearer configuration information of the dedicated bearer generated and sent by the base station, and configuring the dedicated bearer established according to the bearer configuration information.
- the logical channel corresponding to the dedicated bearer is the dedicated logical channel
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information and logical channel configuration information, and the RLC entity configuration information includes an AM (Acknowledged Mode) configuration information, and does not include a Packet Data Convergence Protocol (PDCP). Protocol) configuration information; the logical channel configuration information includes first priority information; or
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information, the RLC entity configuration information includes AM configuration information and first priority information, and does not include PDCP configuration information; or the RLC entity configuration information includes AM configuration information. Excluding PDCP configuration information and first priority information, and the first priority information is pre-stored in the communication device;
- the first priority information is used to indicate that the dedicated logical channel is prioritized after being promoted. level.
- the dedicated bearer is a bearer that is preferentially scheduled when the control PDU is sent on the corresponding logical channel
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information and logical channel configuration information, and the RLC entity configuration information includes AM configuration information; the logical channel configuration information includes third indication information and second priority information; or The logical channel configuration information includes third indication information, not including second priority information, and the second priority information is pre-stored in the communication device; or
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information, where the RLC entity configuration information includes AM configuration information, third indication information, and second priority information; or, the RLC entity configuration information includes AM configuration information and The third indication information does not include the second priority information, and the second priority information is pre-stored in the communication device;
- the third indication information is used to indicate that the bearer is preferentially scheduled when the control PDU is sent on the corresponding logical channel, and the second priority information is used to indicate the priority of the logical channel after being upgraded.
- a control protocol data unit PDU sending apparatus for use in a communication device, the apparatus comprising:
- a bearer setup module configured to establish a dedicated bearer for transmitting a control PDU
- a first sending module configured to: when there is a control PDU to be sent, send, by the RLC entity of the communications device, the control PDU to a logical channel corresponding to the dedicated bearer established by the bearer establishing module a MAC entity of the communication device;
- a second sending module configured to send, by the MAC entity, the control PDU according to a priority that the logical channel is promoted.
- the logical channel corresponding to the dedicated bearer is a dedicated logical channel used for transmitting only the control PDU.
- the device further includes:
- the identifier setting module is configured to set, for the control PDU, a bearer identifier for indicating a data bearer to which the control PDU belongs.
- the bearer configuration information of the data bearer to which the control PDU belongs includes first indication information, where the first indication information is used to indicate whether the control PDU is sent on the dedicated logical channel.
- the dedicated bearer is a bearer that is preferentially scheduled when the control PDU is sent on the corresponding logical channel.
- the device further includes:
- the third sending module is configured to send the second indication information to the MAC entity by using the RLC entity, where the second indication information is used to indicate that the control PDU is to be sent on the logical channel.
- the device further includes:
- a fourth sending module configured to send, by using the RLC entity, the data volume of the control PDU to the MAC entity, where the data volume is used by the MAC entity to determine a size of a resource block allocated for the control PDU .
- the device further includes:
- a first configuration module configured to: when the communication device is a base station, generate and send bearer configuration information for configuring the dedicated bearer, where the bearer configuration information is used to instruct the UE to configure the dedicated bearer;
- the second configuration module is configured to: when the communication device is a UE, receive bearer configuration information of the dedicated bearer generated and sent by the base station, and configure the dedicated bearer established according to the bearer configuration information.
- the logical channel corresponding to the dedicated bearer is the dedicated logical channel
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information and logical channel configuration information, the RLC entity configuration information includes AM configuration information, and does not include PDCP configuration information; the logical channel configuration information includes first priority information; or,
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information, the RLC entity configuration information includes AM configuration information and first priority information, and does not include PDCP configuration information; or the RLC entity configuration information includes AM configuration information. Excluding PDCP configuration information and first priority information, and the first priority information is pre-stored in the communication device;
- the first priority information is used to indicate a priority after the dedicated logical channel is promoted.
- the dedicated bearer is a bearer that is preferentially scheduled when the control PDU is sent on the corresponding logical channel
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information and logical channel configuration information, and the RLC entity configuration information includes AM configuration information; the logical channel configuration information includes third indication information and second priority information; or The logical channel configuration information includes a third indication letter Information that does not include the second priority information, and the second priority information is pre-stored in the communication device; or
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information, where the RLC entity configuration information includes AM configuration information, third indication information, and second priority information; or, the RLC entity configuration information includes AM configuration information and The third indication information does not include the second priority information, and the second priority information is pre-stored in the communication device;
- the third indication information is used to indicate that the bearer is preferentially scheduled when the control PDU is sent on the corresponding logical channel, and the second priority information is used to indicate the priority of the logical channel after being upgraded.
- a control protocol data unit PDU sending apparatus for use in a communication device, the apparatus comprising:
- a memory for storing processor executable instructions
- processor is configured to:
- the RLC entity of the communication device When there is a control PDU to be sent, the RLC entity of the communication device sends the control PDU to the MAC entity of the communication device on a logical channel corresponding to the dedicated bearer;
- the control PDU is transmitted by the MAC entity according to the priority that the logical channel is promoted.
- control PDU Transmitting the control PDU to the MAC entity through the logical channel for transmitting the control PDU, so that the MAC entity determines the priority of the logical channel promotion, and sends the control PDU according to the priority, since the priority of the logical channel is improved, therefore, the MAC entity
- the control PDU is sent preferentially, instead of assigning a fixed priority to the logical channel according to the related art. After the data PDU in the higher priority logical channel is sent, the control PDU in the lower priority logical channel is sent. , can shorten the transmission delay of the control PDU.
- the RLC entity that processes each control PDU is determined according to the bearer identity, thereby ensuring that the control PDU can be successfully processed.
- the amount of data of the control PDU is sent to the MAC entity by the RLC entity. Since the MAC entity can determine the size of the resource block allocated for the control PDU according to the amount of data, the MAC entity can allocate enough resource blocks for the control PDU to send the control PDU.
- FIG. 1 is a block diagram of a control PDU transmission system according to various embodiments.
- FIG. 2 is a flowchart of a method for transmitting a control PDU according to an exemplary embodiment.
- FIG. 3 is a flowchart of a method for transmitting a control PDU according to another exemplary embodiment.
- FIG. 4 is a flowchart of a method for transmitting a control PDU according to another exemplary embodiment.
- FIG. 5 is a block diagram of a control PDU transmitting apparatus according to an exemplary embodiment.
- FIG. 6 is a block diagram of a control PDU transmitting apparatus according to an exemplary embodiment.
- FIG. 7 is a block diagram of an apparatus for controlling PDU transmission, according to an exemplary embodiment.
- FIG. 1 shows a block diagram of a control PDU transmission system according to various embodiments of the present disclosure.
- the control PDU transmission system includes a base station 110 and a UE 120, and a connection is established between the base station 110 and the UE 120.
- the base station 110 is configured to generate configuration information for configuration, and send configuration information to the UE 120, where the UE 120 For the configuration according to the received configuration information, both the base station 110 and the UE 120 that are successfully configured can implement the control PDU transmission method.
- the configuration information may also be written to the standard, and the base station 110 and the UE 120 are configured when the standard is executed, and the configuration information generated by the base station 110 is not required to be transmitted to the UE 120.
- the base station 110 and the UE 120 are collectively referred to as a communication device.
- FIG. 2 is a flowchart of a method for transmitting a control PDU according to an exemplary embodiment.
- the method for transmitting a control PDU is applied to a communication device.
- the method for transmitting a control PDU includes the following steps.
- step 201 a dedicated bearer for transmitting a Control PDU is established.
- step 202 when there is a control PDU to be transmitted, the RLC entity of the communication device transmits the control PDU to the MAC entity of the communication device on the logical channel corresponding to the dedicated bearer.
- step 203 the control PDU is transmitted by the MAC entity according to the priority that the logical channel is promoted.
- control PDU sending method sends a control PDU to a MAC entity through a logical channel for transmitting a control PDU, so that the MAC entity determines the priority of the logical channel promotion, and sends the control PDU according to the priority. Since the priority of the logical channel is improved, the MAC entity preferentially transmits the control PDU instead of assigning a fixed priority to the logical channel according to the related art, after the data PDU in the higher priority logical channel is sent. And sending the control PDU in the logical channel with lower priority can shorten the transmission delay of the control PDU.
- the present disclosure provides two schemes for improving the priority of a transmission control PDU.
- the first solution is to establish a dedicated logical channel for the control PDU, as described in the embodiment shown in FIG. 3; the second scheme is to preferentially schedule transmission.
- the logical channel of the control PDU is detailed in the description in the embodiment shown in FIG.
- FIG. 3 is a flowchart of a method for transmitting a control PDU according to another exemplary embodiment.
- the method for transmitting a control PDU is applied to a communication device.
- the method for transmitting a control PDU includes the following steps.
- step 301 a dedicated bearer for transmitting a Control PDU is established, and the logical channel corresponding to the dedicated bearer is a dedicated logical channel used only for transmitting the Control PDU.
- the control PDU may carry the RLC status report, and may carry other information.
- the example does not limit the use of the control PDU.
- the logical channel is a data transmission channel between the RLC entity and the MAC entity in the communication device, and one logical channel corresponds to one bearer.
- the bearer includes a signaling bearer and a data bearer, the signaling bearer is used for transmitting signaling of the control plane, and the data bearer is used for transmitting data of the user plane.
- the dedicated logical channel is only used to transmit control PDUs and does not transmit data PDUs.
- the dedicated logical channel may be a logical channel corresponding to the data bearer or a logical channel corresponding to the signaling bearer. That is, the data bearer corresponds to a dedicated logical channel, and the dedicated logical channel is only used to transmit the control PDU of the user plane; the signaling bearer corresponds to a dedicated logical channel, and the dedicated logical channel is only used to transmit the control PDU of the control plane. .
- the priority of the logical channel corresponding to the signaling bearer is generally higher than the priority of the logical channel corresponding to the data bearer, and the amount of data transmitted in the logical channel corresponding to the signaling bearer is not large.
- the logical channel transmits the control PDU the transmission delay of the control PDU is not too large. Therefore, when the control PDU is sent on the logical channel corresponding to the signaling bearer, it is not necessary to set a dedicated logical channel for the control PDU, that is, the control PDU and the data PDU can share the same logical channel.
- the communication device needs to establish a dedicated bearer first, and then configure the dedicated bearer.
- bearer configuration information for configuring a dedicated bearer is generated and sent, and the bearer configuration information is used to instruct the UE to configure a dedicated bearer.
- the bearer configuration information of the dedicated bearer generated and sent by the base station is received, and the dedicated bearer is configured according to the bearer configuration information.
- the base station configures the dedicated bearer according to the generated bearer configuration information, and sends the bearer configuration information to the UE, and the UE configures the dedicated bearer according to the bearer configuration information. After the configuration is complete, the base station and the UE may use the dedicated bearer. Transmission Control PDU.
- the bearer configuration information may also be written into the standard, and the base station and the UE configure the dedicated bearer according to the bearer configuration information when performing the standard, and after the configuration is completed, the base station and the UE may use the dedicated bearer to transmit the control PDU.
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information and logical channel configuration information
- the RLC entity configuration information includes AM configuration information, and does not include PDCP configuration information
- the logical channel configuration information includes first priority information
- a priority information is used to indicate the priority of the dedicated logical channel after being promoted.
- the RLC entity configuration information is used to configure the RLC entity, and the logical channel configuration information is used to configure the dedicated logical channel.
- the RLC entity configuration information needs to be included. It is used to configure the AM configuration information of the AM, and does not need to include PDCP configuration information for configuring the PDCP entity, and the data PDU is transmitted between the PDCP entity and the RLC entity.
- the first priority information may be a priority value interval, so that the communication device flexibly selects the priority value in the priority value interval for configuration.
- the priority value interval is [0, 6]
- the first priority information may be [0, 6]. Among them, the lower the priority value, the higher the priority.
- the communication device does not determine the logical channel corresponding to the signaling bearer and the priority of the logical channel corresponding to the data bearer for transmitting the data PDU, in order to increase the priority of the dedicated logical channel as much as possible, the first The priority information is set to the lowest priority value to indicate that the dedicated logical channel has the highest priority.
- the first priority information may also be set according to the priority values of the priorities. For example, setting the first priority information to be higher than the priority value of the logical channel corresponding to the signaling bearer, and lower than the priority value of the priority value of the logical channel for transmitting the data PDU, to indicate the dedicated logic
- the priority of the channel is lower than the priority of the logical channel corresponding to the signaling bearer, and is higher than the priority of the logical channel for transmitting the data PDU. This embodiment does not limit the setting manner of the first priority information.
- the first priority information may be located in the logical channel configuration information, and the bearer configuration information at this time is as shown above.
- the first priority information may be located in the RLC entity configuration information, or may be pre-stored in the communication device, and the bearer configuration information at this time is as follows.
- the bearer configuration information of the dedicated bearer includes the RLC entity configuration information, and the RLC entity configuration information includes the AM configuration information and the first priority information, and does not include the PDCP configuration information; or the RLC entity configuration information includes the AM configuration information.
- the PDCP configuration information and the first priority information are not included, and the first priority information is pre-stored in the communication device, and the first priority information is used to indicate the priority after the dedicated logical channel is promoted.
- the bearer configuration information may also include the logical channel configuration information, and the logical channel configuration information at this time is the same as the logical channel configuration information in the related art, and details are not described herein again.
- the logical channel configuration information may further include a channel identifier, where the channel identifier is used to identify a dedicated logical channel between the RLC entity and the MAC entity.
- the channel identifier is used to identify a dedicated logical channel between the RLC entity and the MAC entity.
- the information may carry the channel identifier of the dedicated logical channel, and the MAC entity can identify the dedicated logical channel according to the channel identifier.
- the logical channel configuration information may further include information about whether to enable the dedicated logical channel. This is because, for some services, the delay requirement of the service is not high, so there is no need to preferentially send the control PDU, and the dedicated logical channel may not be enabled at this time.
- step 302 when there is a control PDU to be sent, a bearer identifier for indicating a data bearer to which the control PDU belongs is set for the control PDU.
- the control PDU can only be processed by the RLC entity corresponding to the data bearer to which it belongs, and each RLC entity has a corresponding relationship with the data bearer.
- the receiver since the logical channel transmitting the control PDU uniquely corresponds to one data bearer, The receiver may determine the corresponding RLC entity according to the data bearer corresponding to the logical channel of the transmission control PDU.
- the bearer identifier for indicating the data bearer to which the control PDU belongs is set for the control PDU.
- the RLC entity that processes each control PDU is determined according to the bearer identity, thereby ensuring that the control PDU can be successfully processed.
- This embodiment does not limit the location of the bearer identity in the control PDU.
- the bearer configuration information of the data bearer to which the control PDU belongs includes first indication information, where the first indication information is used to indicate whether the control PDU is sent on the dedicated logical channel.
- the control PDUs may not be sent on the dedicated logical channel, but the control PDUs are sent on the common logical channel, so that the control PDUs with high delay requirements are preferentially sent.
- step 303 the control PDU is transmitted to the MAC entity of the communication device over the dedicated logical channel corresponding to the dedicated bearer by the RLC entity of the communication device.
- the communication device can utilize the dedicated bearer to transmit the Control PDU.
- the RLC entity determines that the control PDU is triggered, that is, when there is a control PDU to be sent, the data amount of the control PDU is calculated, and the data amount is sent to the MAC entity; the MAC entity determines that the dedicated logical channel is promoted.
- the subsequent priority is to allocate a resource block to the control PDU according to the priority, and send the size of the resource block to the RLC entity; the RLC entity sends the control PDU to the MAC entity on the dedicated logical channel according to the size of the resource block.
- the RLC entity When calculating the data amount of the control PDU, if there is only one control PDU, the RLC entity directly calculates the data amount of the control PDU, and sends the obtained data amount to the MAC entity. If the number of control PDUs to be transmitted is n and n ⁇ 2, the RLC entity calculates the data amount of each control PDU; and adds the sum of the data amounts of the obtained n control PDUs as the data amount. Among them, the technology for calculating the data amount of the control PDU is very mature, and will not be described here.
- n is 3 and the first one to be sent
- the data volume of the control PDU is 50 bits
- the data volume of the second control PDU to be transmitted is 60 bits
- the number of the third control PDU to be sent is 80 bits
- the communication device can simultaneously transmit multiple control PDUs on one dedicated logical channel, thereby improving the transmission efficiency of the control PDU.
- the MAC entity determines the priority of the dedicated logical channel based on the first priority information.
- the MAC entity may allocate resource blocks to the control PDU according to other parameters such as QoS.
- the RLC entity when the resource block allocated by the MAC entity is small, even if the RLC entity calculates the data amount of the n control PDUs, the RLC entity can only transmit some of the control PDUs therein, and control this part on the dedicated logical channel.
- the PDU is sent to the MAC entity. For example, there are 5 control PDUs to be sent, and the resources allocated by the MAC entity can only send 3 control PDUs. At this time, the RLC entity will be the first 3 on the dedicated logical channel according to the order in which the 5 control PDUs are triggered. The triggered control PDU is sent to the MAC entity.
- step 304 the control PDU is transmitted by the MAC entity according to the priority that the dedicated logical channel is promoted.
- control PDU sending method sends a control PDU to a MAC entity through a logical channel for transmitting a control PDU, so that the MAC entity determines the priority of the logical channel promotion, and sends the control PDU according to the priority. Since the priority of the logical channel is improved, the MAC entity preferentially transmits the control PDU instead of assigning a fixed priority to the logical channel according to the related art, after the data PDU in the higher priority logical channel is sent. And sending the control PDU in the logical channel with lower priority can shorten the transmission delay of the control PDU.
- the RLC entity that processes each control PDU is determined according to the bearer identity, thereby ensuring that the control PDU can be successfully processed.
- the PDU is controlled to ensure that the control PDU with high latency requirements is sent preferentially.
- FIG. 4 is a flowchart of a method for transmitting a control PDU according to another exemplary embodiment.
- the control PDU transmission method is applied to the communication device. As shown in FIG. 4, the control PDU transmission method includes the following steps.
- a dedicated bearer for transmitting a control PDU is established, and the dedicated bearer is a bearer that is preferentially scheduled when the control PDU is transmitted on the corresponding logical channel.
- the control PDU may carry the RLC status report, and may carry other information. This embodiment does not limit the use of the control PDU.
- the logical channel is a data transmission channel between the RLC entity and the MAC entity in the communication device, and one logical channel corresponds to one bearer.
- the bearer includes a signaling bearer and a data bearer, the signaling bearer is used for transmitting signaling of the control plane, and the data bearer is used for transmitting data of the user plane.
- the dedicated bearer is a bearer that is preferentially scheduled when the control PDU is sent on the corresponding logical channel. That is, when the data sent on the logical channel corresponding to the dedicated bearer is the control PDU, the priority of the logical channel is raised; when the data sent on the logical channel corresponding to the dedicated bearer is not the control PDU, the priority of the logical channel is not raised. , scheduling according to the original priority of the logical channel.
- the dedicated bearer may be a signaling bearer or a data bearer, which is not limited in this embodiment.
- the communication device needs to establish a dedicated bearer first, and then configure the dedicated bearer.
- bearer configuration information for configuring a dedicated bearer is generated and sent, and the bearer configuration information is used to instruct the UE to configure a dedicated bearer.
- the bearer configuration information of the dedicated bearer generated and sent by the base station is received, and the dedicated bearer is configured according to the bearer configuration information.
- the base station configures the dedicated bearer according to the generated bearer configuration information, and sends the bearer configuration information to the UE, and the UE configures the dedicated bearer according to the bearer configuration information. After the configuration is complete, the base station and the UE may use the dedicated bearer. Transmission Control PDU.
- the bearer configuration information may also be written into the standard, and the base station and the UE configure the dedicated bearer according to the bearer configuration information when performing the standard, and after the configuration is completed, the base station and the UE may use the dedicated bearer to transmit the control PDU.
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information and logical channel configuration information, and the RLC entity configuration information includes AM configuration information; the logical channel configuration information includes third indication information and second priority information; or, logic
- the channel configuration information includes third indication information, not including the second priority information, and the second priority information is pre-stored in the communication device.
- the third indication information is used to indicate that the bearer is preferentially scheduled when the control PDU is sent on the corresponding logical channel, and the second priority information is used to indicate the priority after the logical channel is upgraded.
- RLC entity configuration information is used to configure the RLC entity
- logical channel configuration information is used to configure the logic. channel.
- the bearer configured to determine the bearer configuration information is a dedicated bearer.
- the bearer configured to determine the bearer configuration information is not a dedicated bearer.
- the second priority information is used to indicate the priority of the logical channel after being promoted.
- the second priority information is the same as the first priority information. For details, refer to the description of the first priority information in step 301, and details are not described herein again.
- the third indication information may be located in the logical channel configuration information, and the second priority information may be located in the logical channel configuration information, or may be pre-stored in the communication device, and the bearer configuration information at this time is as shown above.
- the third indication information may be located in the RLC entity configuration information, and the second priority information may be located in the RLC entity configuration information, or may be pre-stored in the communication device, where the bearer configuration information is as follows .
- the bearer configuration information of the dedicated bearer includes the RLC entity configuration information, and the RLC entity configuration information includes the AM configuration information, the third indication information, and the second priority information; or the RLC entity configuration information includes the AM configuration information and the third
- the indication information does not include the second priority information, and the second priority information is pre-stored in the communication device.
- the third indication information is used to indicate that the bearer is preferentially scheduled when the control PDU is sent on the corresponding logical channel, and the second priority information is used to indicate the priority after the logical channel is upgraded.
- the bearer configuration information may further include a bearer identifier of the dedicated bearer.
- the bearer identifier is used to identify a dedicated bearer.
- the logical channel configuration information may further include a channel identifier, where the channel identifier is used to identify the logical channel between the RLC entity and the MAC entity.
- step 402 when there is a control PDU to be transmitted, the RLC entity of the communication device transmits the control PDU to the MAC entity of the communication device on the logical channel corresponding to the dedicated bearer.
- the communication device can utilize a dedicated bearer to transmit data.
- the priority of the logical channel is raised; when the data sent on the logical channel corresponding to the dedicated bearer is not the control PDU, the priority of the logical channel is not raised, The scheduling is performed according to the original priority of the logical channel. Therefore, in order for the MAC entity to determine whether the priority of the logical channel needs to be raised, when the RLC entity sends the data including the control PDU to the MAC entity, the second entity also needs to send the second to the MAC entity.
- the second indication information is used to indicate that a control PDU is to be sent on the logical channel; when the RLC entity sends the MAC entity to the MAC entity When sending data that does not include the control PDU, there is no need to send the second indication information to the MAC entity.
- the RLC entity calculates the data amount of the data, and sends the data amount of the data and the second indication information to the MAC entity; the MAC entity determines, according to the second indication information, that the logical channel is upgraded. Priority, allocate a resource block to the control PDU according to the priority and the data volume of the data, and send the size of the resource block to the RLC entity; the RLC entity sends the control PDU to the MAC entity on the logical channel according to the size of the resource block.
- the MAC entity may allocate resource blocks to the control PDU according to other parameters such as QoS.
- step 403 the data volume of the control PDU is sent to the MAC entity by the RLC entity, and the data amount is used by the MAC entity to determine the size of the resource block allocated for the control PDU.
- the data to be sent may include both the control PDU and the data PDU
- the MAC entity may send the control PDU first, and then send the data PDU next time. Therefore, in order to ensure that the control PDU is After being sent out, the RLC entity may also send the data volume of the control PDU to the MAC entity, so that the MAC entity may allocate enough resource blocks for the control PDU to send the control PDU.
- the data sequence of the data to be transmitted, the second indication information, and the transmission order of the data amount of the control PDU are not limited.
- the RLC entity may simultaneously send the data volume of the data to be sent, the second indication information, and the data volume of the control PDU.
- step 404 the control PDU is transmitted by the MAC entity according to the priority that the logical channel is promoted.
- the MAC entity may allocate resource blocks for each control PDU according to the priorities of the multiple logical channels, and send each control according to the resource block. PDU.
- control PDU sending method sends a control PDU to a MAC entity through a logical channel for transmitting a control PDU, so that the MAC entity determines the priority of the logical channel promotion, and sends the control PDU according to the priority. Since the priority of the logical channel is improved, the MAC entity preferentially transmits the control PDU instead of assigning a fixed priority to the logical channel according to the related art, after the data PDU in the higher priority logical channel is sent. And sending the control PDU in the logical channel with lower priority can shorten the transmission delay of the control PDU.
- the amount of data of the control PDU is sent to the MAC entity by the RLC entity. Since the MAC entity can determine the size of the resource block allocated for the control PDU according to the amount of data, the MAC entity may be The Control PDU allocates enough resource blocks to send control PDUs.
- FIG. 5 is a block diagram of a control PDU sending apparatus, which is applied to a communication device, as shown in FIG. 5, the control PDU sending apparatus includes: a bearer establishing module 510, a first embodiment, according to an exemplary embodiment. A transmitting module 520 and a second transmitting module 530.
- the bearer establishing module 510 is configured to establish a dedicated bearer for transmitting a control PDU.
- the first sending module 520 is configured to: when there is a control PDU to be sent, send the control PDU to the MAC entity of the communication device by using the RLC entity of the communication device on the logical channel corresponding to the dedicated bearer established by the bearer establishing module 510;
- the second sending module 530 is configured to send the control PDU by the MAC entity according to the priority that the logical channel is promoted.
- control PDU sending apparatus sends a control PDU to a MAC entity through a logical channel for transmitting a control PDU, so that the MAC entity determines the priority of the logical channel promotion, and sends the control PDU according to the priority. Since the priority of the logical channel is improved, the MAC entity preferentially transmits the control PDU instead of assigning a fixed priority to the logical channel according to the related art, after the data PDU in the higher priority logical channel is sent. And sending the control PDU in the logical channel with lower priority can shorten the transmission delay of the control PDU.
- FIG. 6 is a block diagram of a control PDU sending apparatus, which is applied to a communication device, as shown in FIG. 6, the control PDU sending apparatus includes: a bearer establishing module 610, a first embodiment, according to an exemplary embodiment. A sending module 620 and a second sending module 630.
- the bearer establishing module 610 is configured to establish a dedicated bearer for transmitting a control PDU;
- the first sending module 620 is configured to: when there is a control PDU to be sent, send the control PDU to the MAC entity of the communication device by using the RLC entity of the communication device on the logical channel corresponding to the dedicated bearer established by the bearer establishing module 610;
- the second sending module 630 is configured to send the control PDU by the MAC entity according to the priority that the logical channel is promoted.
- the logical channel corresponding to the dedicated bearer is a dedicated logical channel used only for transmitting the control PDU.
- the device further includes: an identifier setting module 640;
- the identifier setting module 640 is configured to set a control PDU to indicate that the control PDU belongs to The bearer ID of the data bearer.
- the bearer configuration information of the data bearer to which the control PDU belongs includes first indication information, where the first indication information is used to indicate whether the control PDU is sent on the dedicated logical channel.
- the dedicated bearer is a bearer that is preferentially scheduled when the control PDU is sent on the corresponding logical channel.
- the device further includes: a third sending module 650;
- the third sending module 650 is configured to send second indication information to the MAC entity by using the RLC entity, where the second indication information is used to indicate that the control PDU is to be sent on the logical channel.
- the device further includes: a fourth sending module 660;
- the fourth sending module 660 is configured to send, by using an RLC entity, the data volume of the control PDU to the MAC entity, where the data volume is used by the MAC entity to determine the size of the resource block allocated for the control PDU.
- the device further includes: a first configuration module 670 or a second configuration module 680;
- the first configuration module 670 is configured to: when the communication device is a base station, generate and send bearer configuration information for configuring a dedicated bearer, where the bearer configuration information is used to indicate that the user equipment UE configures a dedicated bearer;
- the second configuration module 680 is configured to receive bearer configuration information of the dedicated bearer generated and sent by the base station when the communication device is the UE, and configure the established dedicated bearer according to the bearer configuration information.
- the logical channel corresponding to the dedicated bearer is a dedicated logical channel
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information and logical channel configuration information, the RLC entity configuration information includes acknowledgement mode AM configuration information, and does not include packet data convergence protocol PDCP configuration information; the logical channel configuration information includes first priority information; or,
- the bearer configuration information of the dedicated bearer includes the RLC entity configuration information, and the RLC entity configuration information includes the AM configuration information and the first priority information, and does not include the PDCP configuration information; or the RLC entity configuration information includes the AM configuration information, and does not include the PDCP configuration information.
- first priority information, and the first priority information is pre-stored in the communication device;
- the first priority information is used to indicate a priority after the dedicated logical channel is promoted.
- the dedicated bearer is a bearer that is preferentially scheduled when the control PDU is sent on the corresponding logical channel
- the bearer configuration information of the dedicated bearer includes RLC entity configuration information and logical channel configuration information, and the RLC entity configuration information includes AM configuration information; the logical channel configuration information includes third indication information and second priority information; or, the logical channel configuration information includes Three instructions, excluding the second priority Level information, and the second priority information is pre-stored in the communication device; or,
- the bearer configuration information of the dedicated bearer includes the RLC entity configuration information, and the RLC entity configuration information includes the AM configuration information, the third indication information, and the second priority information; or the RLC entity configuration information includes the AM configuration information and the third indication information, excluding the Second priority information, and the second priority information is pre-stored in the communication device;
- the third indication information is used to indicate that the bearer is preferentially scheduled when the control PDU is sent on the corresponding logical channel, and the second priority information is used to indicate the priority after the logical channel is upgraded.
- control PDU sending apparatus sends a control PDU to a MAC entity through a logical channel for transmitting a control PDU, so that the MAC entity determines the priority of the logical channel promotion, and sends the control PDU according to the priority. Since the priority of the logical channel is improved, the MAC entity preferentially transmits the control PDU instead of assigning a fixed priority to the logical channel according to the related art, after the data PDU in the higher priority logical channel is sent. And sending the control PDU in the logical channel with lower priority can shorten the transmission delay of the control PDU.
- the RLC entity that processes each control PDU is determined according to the bearer identity, thereby ensuring that the control PDU can be successfully processed.
- the PDU is controlled to ensure that the control PDU with high latency requirements is sent preferentially.
- the amount of data of the control PDU is sent to the MAC entity by the RLC entity. Since the MAC entity can determine the size of the resource block allocated for the control PDU according to the amount of data, the MAC entity can allocate enough resource blocks for the control PDU to send the control PDU.
- An exemplary embodiment of the present disclosure provides a control PDU sending apparatus, which can implement a control PDU sending method provided by the present disclosure, where the control PDU sending apparatus includes: a processor, a memory for storing processor executable instructions;
- processor is configured to:
- the RLC entity of the communication device When there is a control PDU to be sent, the RLC entity of the communication device sends the control PDU to the MAC entity of the communication device on the logical channel corresponding to the dedicated bearer;
- the control PDU is transmitted by the MAC entity according to the priority that the logical channel is promoted.
- FIG. 7 is a block diagram of an apparatus 700 for controlling PDU transmission, according to an exemplary embodiment.
- device 700 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a gaming console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
- apparatus 700 can include one or more of the following components: processing component 702, memory 704, power component 706, multimedia component 708, audio component 710, input/output (I/O) interface 712, sensor component 714, And a communication component 716.
- Processing component 702 typically controls the overall operation of device 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
- Processing component 702 can include one or more processors 718 to execute instructions to perform all or part of the steps of the methods described above.
- processing component 702 can include one or more modules to facilitate interaction between component 702 and other components.
- processing component 702 can include a multimedia module to facilitate interaction between multimedia component 708 and processing component 702.
- Memory 704 is configured to store various types of data to support operation at device 700. Examples of such data include instructions for any application or method operating on device 700, contact data, phone book data, messages, pictures, videos, and the like. Memory 704 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM erasable Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Disk Disk or Optical Disk.
- Power component 706 provides power to various components of device 700.
- Power component 706 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 700.
- the multimedia component 708 includes a screen between the device 700 and the user that provides an output interface.
- the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
- the touch panel includes one or more touch sensors to sense touch, slide, and hand on the touch panel Potential. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
- the multimedia component 708 includes a front camera and/or a rear camera. When the device 700 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
- the audio component 710 is configured to output and/or input an audio signal.
- audio component 710 includes a microphone (MIC) that is configured to receive an external audio signal when device 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
- the received audio signal may be further stored in memory 704 or transmitted via communication component 716.
- audio component 710 also includes a speaker for outputting an audio signal.
- the I/O interface 712 provides an interface between the processing component 702 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
- Sensor assembly 714 includes one or more sensors for providing device 700 with various aspects of status assessment.
- sensor assembly 714 can detect an open/closed state of device 700, relative positioning of components, such as the display and keypad of device 700, and sensor component 714 can also detect a change in position of one component of device 700 or device 700. The presence or absence of user contact with device 700, device 700 orientation or acceleration/deceleration, and temperature variation of device 700.
- Sensor assembly 714 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
- Sensor component 714 can also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor component 714 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- Communication component 716 is configured to facilitate wired or wireless communication between device 700 and other devices.
- the device 700 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
- communication component 716 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
- the communication component 716 also includes a near field communication (NFC) module to facilitate short range communication.
- NFC near field communication
- the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra-wideband
- Bluetooth Bluetooth
- device 700 may be implemented by one or more application specific integrated circuits (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronics Component implementation for performing the above method.
- ASIC application specific integrated circuits
- DSP digital signal processor
- DSPD digital signal processing device
- PLD programmable logic device
- FPGA field programmable gate array
- controller microcontroller, microprocessor or other electronics Component implementation for performing the above method.
- non-transitory computer readable storage medium comprising instructions, such as a memory 704 comprising instructions executable by processor 718 of apparatus 700 to perform the above method.
- the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
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Abstract
本公开关于一种控制协议数据单元PDU发送方法及装置,属于通信技术领域。所述方法包括:建立用于传输控制PDU的专用承载;当存在待发送的控制PDU时,通过所述通信设备的无线链路控制RLC实体在所述专用承载对应的逻辑信道上将所述控制PDU发送给所述通信设备的媒体接入控制MAC实体;通过所述MAC实体根据所述逻辑信道被提升的优先级发送所述控制PDU。本公开可以缩短控制PDU的发送时延。
Description
本公开涉及通信技术领域,特别涉及一种控制协议数据单元PDU发送方法及装置。
RLC(Radio Link Control,无线链路控制)实体的PDU(Protocol Data Unit,协议数据单元)包括数据PDU和控制PDU。其中,控制PDU可以包括RLC状态报告。
当通信设备中的RLC实体需要在某个逻辑信道上向MAC(Media Access Control,媒体接入控制)实体发送PDU时,RLC实体会向MAC实体指示待发送数据量的大小,在每个调度周期内,MAC实体根据该逻辑信道的优先级及QoS(Quality Of Service,服务质量)分配传输资源,RLC实体在确定传输资源后,优先组装控制PDU,再组装数据PDU以适配传输资源的大小,在对应的逻辑信道上将组装后得到的数据发送给MAC实体,MAC实体对该PDU进行转发。
发明内容
为解决相关技术中的问题,本公开提供了一种控制协议数据单元PDU发送方法及装置。
根据本公开实施例的第一方面,提供一种控制协议数据单元PDU发送方法,用于通信设备中,所述方法包括:
建立用于传输控制PDU的专用承载;
当存在待发送的控制PDU时,通过所述通信设备的RLC实体在所述专用承载对应的逻辑信道上将所述控制PDU发送给所述通信设备的MAC实体;
通过所述MAC实体根据所述逻辑信道被提升的优先级发送所述控制PDU。
可选的,所述专用承载对应的逻辑信道是只用于传输控制PDU的专用逻
辑信道。
可选的,所述方法,还包括:
为所述控制PDU设置用于指示所述控制PDU所属的数据承载的承载标识。
可选的,所述控制PDU所属的数据承载的承载配置信息包括第一指示信息,所述第一指示信息用于指示是否在所述专用逻辑信道上发送所述控制PDU。
可选的,所述专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载。
可选的,所述方法,还包括:
通过所述RLC实体向所述MAC实体发送第二指示信息,所述第二指示信息用于指示所述逻辑信道上将要发送所述控制PDU。
可选的,所述方法,还包括:
通过所述RLC实体向所述MAC实体发送所述控制PDU的数据量,所述数据量用于供所述MAC实体确定为所述控制PDU分配的资源块的大小。
可选的,所述方法,还包括:
当所述通信设备是基站时,生成并发送用于配置所述专用承载的承载配置信息,所述承载配置信息用于指示UE(User Equipment,用户设备)配置所述专用承载;
当所述通信设备是UE时,接收基站生成并发送的所述专用承载的承载配置信息,根据所述承载配置信息配置建立的所述专用承载。
可选的,当所述专用承载对应的逻辑信道是所述专用逻辑信道时;
所述专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,所述RLC实体配置信息包括AM(Acknowledged Mode,确认模式)配置信息,且不包括PDCP(Packet Data Convergence Protocol,分组数据汇聚协议)配置信息;所述逻辑信道配置信息包括第一优先级信息;或者,
所述专用承载的承载配置信息包括RLC实体配置信息,所述RLC实体配置信息包括AM配置信息和第一优先级信息,且不包括PDCP配置信息;或,所述RLC实体配置信息包括AM配置信息,不包括PDCP配置信息和第一优先级信息,且所述第一优先级信息预存在所述通信设备中;
其中,所述第一优先级信息用于指示所述专用逻辑信道被提升后的优先
级。
可选的,当所述专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载时;
所述专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,所述RLC实体配置信息包括AM配置信息;所述逻辑信道配置信息包括第三指示信息和第二优先级信息;或,所述逻辑信道配置信息包括第三指示信息,不包括第二优先级信息,且所述第二优先级信息预存在所述通信设备中;或者,
所述专用承载的承载配置信息包括RLC实体配置信息,所述RLC实体配置信息包括AM配置信息、第三指示信息和第二优先级信息;或,所述RLC实体配置信息包括AM配置信息和第三指示信息,不包括第二优先级信息,且所述第二优先级信息预存在所述通信设备中;
其中,所述第三指示信息用于指示所述承载在对应的逻辑信道上发送控制PDU时被优先调度,所述第二优先级信息用于指示所述逻辑信道被提升后的优先级。
根据本公开实施例的第二方面,提供一种控制协议数据单元PDU发送装置,用于通信设备中,所述装置包括:
承载建立模块,被配置为建立用于传输控制PDU的专用承载;
第一发送模块,被配置为当存在待发送的控制PDU时,通过所述通信设备的RLC实体在所述承载建立模块建立的所述专用承载对应的逻辑信道上将所述控制PDU发送给所述通信设备的MAC实体;
第二发送模块,被配置为通过所述MAC实体根据所述逻辑信道被提升的优先级发送所述控制PDU。
可选的,所述专用承载对应的逻辑信道是只用于传输控制PDU的专用逻辑信道。
可选的,所述装置,还包括:
标识设置模块,被配置为为所述控制PDU设置用于指示所述控制PDU所属的数据承载的承载标识。
可选的,所述控制PDU所属的数据承载的承载配置信息包括第一指示信息,所述第一指示信息用于指示是否在所述专用逻辑信道上发送所述控制PDU。
可选的,所述专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载。
可选的,所述装置,还包括:
第三发送模块,被配置为通过所述RLC实体向所述MAC实体发送第二指示信息,所述第二指示信息用于指示所述逻辑信道上将要发送所述控制PDU。
可选的,所述装置,还包括:
第四发送模块,被配置为通过所述RLC实体向所述MAC实体发送所述控制PDU的数据量,所述数据量用于供所述MAC实体确定为所述控制PDU分配的资源块的大小。
可选的,所述装置,还包括:
第一配置模块,被配置为当所述通信设备是基站时,生成并发送用于配置所述专用承载的承载配置信息,所述承载配置信息用于指示UE配置所述专用承载;
第二配置模块,被配置为当所述通信设备是UE时,接收基站生成并发送的所述专用承载的承载配置信息,根据所述承载配置信息配置建立的所述专用承载。
可选的,当所述专用承载对应的逻辑信道是所述专用逻辑信道时;
所述专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,所述RLC实体配置信息包括AM配置信息,且不包括PDCP配置信息;所述逻辑信道配置信息包括第一优先级信息;或者,
所述专用承载的承载配置信息包括RLC实体配置信息,所述RLC实体配置信息包括AM配置信息和第一优先级信息,且不包括PDCP配置信息;或,所述RLC实体配置信息包括AM配置信息,不包括PDCP配置信息和第一优先级信息,且所述第一优先级信息预存在所述通信设备中;
其中,所述第一优先级信息用于指示所述专用逻辑信道被提升后的优先级。
可选的,当所述专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载时;
所述专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,所述RLC实体配置信息包括AM配置信息;所述逻辑信道配置信息包括第三指示信息和第二优先级信息;或,所述逻辑信道配置信息包括第三指示信
息,不包括第二优先级信息,且所述第二优先级信息预存在所述通信设备中;或者,
所述专用承载的承载配置信息包括RLC实体配置信息,所述RLC实体配置信息包括AM配置信息、第三指示信息和第二优先级信息;或,所述RLC实体配置信息包括AM配置信息和第三指示信息,不包括第二优先级信息,且所述第二优先级信息预存在所述通信设备中;
其中,所述第三指示信息用于指示所述承载在对应的逻辑信道上发送控制PDU时被优先调度,所述第二优先级信息用于指示所述逻辑信道被提升后的优先级。
根据本公开实施例的第三方面,提供一种控制协议数据单元PDU发送装置,用于通信设备中,所述装置包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
建立用于传输控制PDU的专用承载;
当存在待发送的控制PDU时,通过所述通信设备的RLC实体在所述专用承载对应的逻辑信道上将所述控制PDU发送给所述通信设备的MAC实体;
通过所述MAC实体根据所述逻辑信道被提升的优先级发送所述控制PDU。
本公开的实施例提供的技术方案可以包括以下有益效果:
通过用于传输控制PDU的逻辑信道将控制PDU发送给MAC实体,使得MAC实体确定为逻辑信道提升的优先级,根据优先级发送控制PDU,由于逻辑信道的优先级被提升了,因此,MAC实体会优先发送控制PDU,而不是按照相关技术中为逻辑信道分配固定的优先级,在优先级较高的逻辑信道中的数据PDU发送完后,再发送优先级较低的逻辑信道中的控制PDU,可以缩短控制PDU的发送时延。
通过为控制PDU设置用于指示控制PDU所属的数据承载的承载标识,由于控制PDU需要由其所属的数据承载对应的RLC实体处理,因此,当在专用逻辑信道上发送多个控制PDU时,可以根据承载标识确定处理各个控制PDU的RLC实体,从而保证控制PDU能够被成功处理。
通过第一指示信息指示是否在专用逻辑信道上发送控制PDU,这样,当某
些控制PDU对时延要求不高时,可以不在专用逻辑信道上发送控制PDU,而是在普通的逻辑信道上发送控制PDU,从而保证对时延要求高的控制PDU被优先发送。
通过RLC实体向MAC实体发送控制PDU的数据量,由于MAC实体能够根据数据量确定为控制PDU分配的资源块的大小,因此,MAC实体可以为控制PDU分配足够多的资源块来发送控制PDU。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性的,并不能限制本公开。
此处的附图被并入说明书中并构成本公开说明书的一部分,示出了符合本公开的实施例,并与说明书一起用于解释本公开的原理。
图1是各个实施例涉及的控制PDU发送系统的框图。
图2是根据一示例性实施例示出的一种控制PDU发送方法的流程图。
图3是根据另一示例性实施例示出的一种控制PDU发送方法的流程图。
图4是根据另一示例性实施例示出的一种控制PDU发送方法的流程图。
图5是根据一示例性实施例示出的一种控制PDU发送装置的框图。
图6是根据一示例性实施例示出的一种控制PDU发送装置的框图。
图7是根据一示例性实施例示出的一种用于控制PDU发送的装置的框图。
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
请参考图1,其示出了本公开各个实施例涉及的控制PDU发送系统的框图,该控制PDU发送系统包括基站110和UE120,基站110与UE120之间建立连接。
基站110用于生成配置信息进行配置,并将配置信息发送给UE120,UE120
用于根据接收到的配置信息进行配置,成功配置后的基站110和UE120都能够实施控制PDU发送方法。或者,配置信息也可以写入标准,基站110和UE120在执行标准时进行配置,而不需要由基站110生成配置信息发送给UE120。
由于基站110和UE120在发送控制PDU时的流程一致,其区别仅在于配置过程,因此,下文为了便于描述,将基站110和UE120统称为通信设备。
图2是根据一示例性实施例示出的一种控制PDU发送方法的流程图,该控制PDU发送方法应用于通信设备中,如图2所示,该控制PDU发送方法包括以下步骤。
在步骤201中,建立用于传输控制PDU的专用承载。
在步骤202中,当存在待发送的控制PDU时,通过通信设备的RLC实体在专用承载对应的逻辑信道上将控制PDU发送给通信设备的MAC实体。
在步骤203中,通过MAC实体根据逻辑信道被提升的优先级发送控制PDU。
综上所述,本公开提供的控制PDU发送方法,通过用于传输控制PDU的逻辑信道将控制PDU发送给MAC实体,使得MAC实体确定为逻辑信道提升的优先级,根据优先级发送控制PDU,由于逻辑信道的优先级被提升了,因此,MAC实体会优先发送控制PDU,而不是按照相关技术中为逻辑信道分配固定的优先级,在优先级较高的逻辑信道中的数据PDU发送完后,再发送优先级较低的逻辑信道中的控制PDU,可以缩短控制PDU的发送时延。
本公开提供了两种提升发送控制PDU的优先级的方案,第一种方案是为控制PDU建立专用逻辑通道,详见图3所示的实施例中的描述;第二种方案是优先调度发送控制PDU的逻辑信道,详见图4所示的实施例中的描述。
图3是根据另一示例性实施例示出的一种控制PDU发送方法的流程图,该控制PDU发送方法应用于通信设备中,如图3所示,该控制PDU发送方法包括如下步骤。
在步骤301中,建立用于传输控制PDU的专用承载,专用承载对应的逻辑信道是只用于传输控制PDU的专用逻辑信道。
其中,控制PDU中可以携带RLC状态报告,也可以携带其他信息,本实
施例不限定控制PDU的用途。
逻辑信道是通信设备中RLC实体和MAC实体之间的数据传输通道,且一条逻辑信道与一个承载对应。其中,承载包括信令承载和数据承载,信令承载用于传输控制面的信令;数据承载用于传输用户面的数据。
专用逻辑信道只用于传输控制PDU,不传输数据PDU。其中,专用逻辑信道可以是对应于数据承载的逻辑信道,也可以是对应于信令承载的逻辑信道。即,数据承载对应于一条专用逻辑信道,且该专用逻辑信道只用于传输用户面的控制PDU;信令承载对应于一条专用逻辑信道,且该专用逻辑信道只用于传输控制面的控制PDU。
由于信令承载对应的逻辑信道的优先级一般高于数据承载对应的逻辑信道的优先级,且信令承载所对应的逻辑信道中传输的数据量并不大,因此,通过信令承载对应的逻辑信道发送控制PDU时,该控制PDU的发送时延并不会太大。所以,在信令承载对应的逻辑信道上发送控制PDU时,无需为控制PDU设置专用逻辑信道,即,控制PDU与数据PDU可以共用相同的逻辑信道。
通信设备需要先建立专用承载,再对专用承载进行配置。在第一种实现方式中,当通信设备是基站时,生成并发送用于配置专用承载的承载配置信息,承载配置信息用于指示UE配置专用承载。在第二种实现方式中,当通信设备是UE时,接收基站生成并发送的专用承载的承载配置信息,根据承载配置信息配置专用承载。
在实现时,基站根据生成的承载配置信息配置建立的专用承载,并将承载配置信息发送给UE,UE根据承载配置信息配置建立的专用承载,在配置完成后,基站和UE可以在利用专用承载传输控制PDU。可选的,承载配置信息还可以写入标准,基站和UE在执行标准时分别根据承载配置信息配置专用承载,在配置完成后,基站和UE可以利用专用承载传输控制PDU。
本实施例中,专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,RLC实体配置信息包括AM配置信息,且不包括PDCP配置信息;逻辑信道配置信息包括第一优先级信息,第一优先级信息用于指示专用逻辑信道被提升后的优先级。
RLC实体配置信息用于配置RLC实体,逻辑信道配置信息用于配置专用逻辑信道。
由于专用逻辑信道只传输控制PDU,因此,RLC实体配置信息需要包括
用于配置AM的AM配置信息,而并不需要包括用于配置PDCP实体的PDCP配置信息,PDCP实体与RLC实体之间传输的是数据PDU。
当通过优先级数值来指示优先级时,第一优先级信息可以是优先级数值区间,使得通信设备在该优先级数值区间中灵活选择优先级数值进行配置。比如,当优先级数值区间为[0,6]时,第一优先级信息可以是[0,6]。其中,优先级数值越低,优先级越高。
然而,由于通信设备并不确定信令承载对应的逻辑信道以及数据承载对应的用于传输数据PDU的逻辑信道的优先级,因此,为了能够尽可能提升专用逻辑信道的优先级,可以将第一优先级信息设置成最低的优先级数值,以指示专用逻辑信道的优先级最高。
当然,在明确了信令承载对应的逻辑信道以及数据承载对应的用于传输数据PDU的逻辑信道的优先级时,还可以根据这些优先级的优先级数值设置第一优先级信息。比如,将第一优先级信息设置成高于信令承载对应的逻辑信道的优先级数值,且低于用于传输数据PDU的逻辑信道的优先级数值的优先级数值,以指示所述专用逻辑信道的优先级低于信令承载对应的逻辑信道的优先级,且高于用于传输数据PDU的逻辑信道的优先级,本实施例不对第一优先级信息的设置方式作限定。
需要说明的是,第一优先级信息可以位于逻辑信道配置信息中,此时的承载配置信息如上所示。在其他的实现方式中,第一优先级信息可以位于RLC实体配置信息中,也可以预存在通信设备中,此时的承载配置信息如下所示。
本实施例中,专用承载的承载配置信息包括RLC实体配置信息,RLC实体配置信息包括AM配置信息和第一优先级信息,且不包括PDCP配置信息;或,RLC实体配置信息包括AM配置信息,不包括PDCP配置信息和第一优先级信息,且第一优先级信息预存在通信设备中,第一优先级信息用于指示专用逻辑信道被提升后的优先级。
在这种实现方式中,承载配置信息还可以包括逻辑信道配置信息,此时的逻辑信道配置信息与相关技术中的逻辑信道配置信息相同,此处不再赘述。
可选的,逻辑信道配置信息还可以包括信道标识,信道标识用于在RLC实体与MAC实体之间标识专用逻辑信道。比如,RLC实体在专用逻辑信道上向MAC实体发送信息时,可以在信息中携带专用逻辑信道的信道标识,MAC实体能够根据该信道标识识别出专用逻辑信道。
可选的,逻辑信道配置信息还可以包括是否启用专用逻辑信道的信息。这是因为,对于某些业务来说,业务的时延要求并不高,因此,无需优先发送控制PDU,此时可以不启用专用逻辑信道。
在步骤302中,当存在待发送的控制PDU时,为控制PDU设置用于指示控制PDU所属的数据承载的承载标识。
控制PDU只能由其所属的数据承载对应的RLC实体处理,且每个RLC实体与数据承载之间具有对应关系,相关技术中,由于发送控制PDU的逻辑信道唯一对应于一个数据承载,因此,接收方可以根据传输控制PDU的逻辑信道所对应的数据承载来确定对应的RLC实体。本实施例中,由于所有的控制PDU都通过专用逻辑信道传输,接收方无法确定专用逻辑信道所对应的数据承载,因此,需要为控制PDU设置用于指示控制PDU所属的数据承载的承载标识,从而根据该承载标识来确定处理各个控制PDU的RLC实体,从而保证控制PDU能够被成功处理。本实施例不限定承载标识在控制PDU中的位置。
可选的,控制PDU所属的数据承载的承载配置信息包括第一指示信息,第一指示信息用于指示是否在专用逻辑信道上发送控制PDU。这样,当某些控制PDU对时延要求不高时,可以不在专用逻辑信道上发送控制PDU,而是在普通的逻辑信道上发送控制PDU,从而保证对时延要求高的控制PDU被优先发送。
在步骤303中,通过通信设备的RLC实体在专用承载对应的专用逻辑信道上将控制PDU发送给通信设备的MAC实体。
在配置完专用承载和生成控制PDU之后,通信设备可以利用专用承载来发送控制PDU。在发送过程中,RLC实体在确定控制PDU被触发,即,存在待发送的控制PDU时,计算该控制PDU的数据量,并将该数据量发送给MAC实体;MAC实体确定专用逻辑信道被提升后的优先级,根据优先级为控制PDU分配资源块,并将资源块的大小发送给RLC实体;RLC实体根据资源块的大小,在专用逻辑信道上将控制PDU发送给MAC实体。
在计算控制PDU的数据量时,若只存在一个控制PDU,则RLC实体直接计算该控制PDU的数据量,并将得到的数据量发送给MAC实体。若待发送的控制PDU的数量为n且n≥2,则RLC实体计算每个控制PDU的数据量;将得到的n个控制PDU的数据量相加的和作为数据量。其中,计算控制PDU的数据量的技术已经非常成熟,此处不作赘述。比如,n为3,且第一个待发送的
控制PDU的数据量是50bit,第二个待发送控制PDU的数据量是60bit,第三个待发送的控制PDU的数量是80bit,则RLC计算得到的数据量是50+60+80=190bit,将190bit作为数据量发送给MAC实体。
通信设备可以在一条专用逻辑信道上同时发送多个控制PDU,从而提高控制PDU的发送效率。
MAC实体根据第一优先级信息确定出专用逻辑信道的优先级。可选的,除了优先级,MAC实体还可以根据QoS等其他参数来为控制PDU分配资源块。
需要说明的是,当MAC实体分配的资源块较小时,即使RLC实体计算了n个控制PDU的数据量,RLC实体仍然只能传输其中的部分控制PDU,并在专用逻辑信道上将这部分控制PDU发送给MAC实体。比如,存在5个待发送的控制PDU,且MAC实体分配的资源只能够发送3个控制PDU,此时,RLC实体根据这5个控制PDU被触发的顺序,在专用逻辑信道上将前3个被触发的控制PDU发送给MAC实体。
在步骤304中,通过MAC实体根据专用逻辑信道被提升的优先级发送控制PDU。
综上所述,本公开提供的控制PDU发送方法,通过用于传输控制PDU的逻辑信道将控制PDU发送给MAC实体,使得MAC实体确定为逻辑信道提升的优先级,根据优先级发送控制PDU,由于逻辑信道的优先级被提升了,因此,MAC实体会优先发送控制PDU,而不是按照相关技术中为逻辑信道分配固定的优先级,在优先级较高的逻辑信道中的数据PDU发送完后,再发送优先级较低的逻辑信道中的控制PDU,可以缩短控制PDU的发送时延。
通过为控制PDU设置用于指示控制PDU所属的数据承载的承载标识,由于控制PDU需要由其所属的数据承载对应的RLC实体处理,因此,当在专用逻辑信道上发送多个控制PDU时,可以根据承载标识确定处理各个控制PDU的RLC实体,从而保证控制PDU能够被成功处理。
通过第一指示信息指示是否在专用逻辑信道上发送控制PDU,这样,当某些控制PDU对时延要求不高时,可以不在专用逻辑信道上发送控制PDU,而是在普通的逻辑信道上发送控制PDU,从而保证对时延要求高的控制PDU被优先发送。
图4是根据另一示例性实施例示出的一种控制PDU发送方法的流程图,
该控制PDU发送方法应用于通信设备中,如图4所示,该控制PDU发送方法包括如下步骤。
在步骤401中,建立用于传输控制PDU的专用承载,专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载。
其中,控制PDU中可以携带RLC状态报告,也可以携带其他信息,本实施例不限定控制PDU的用途。
逻辑信道是通信设备中RLC实体和MAC实体之间的数据传输通道,且一条逻辑信道与一个承载对应。其中,承载包括信令承载和数据承载,信令承载用于传输控制面的信令;数据承载用于传输用户面的数据。
本实施例中,专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载。即,在专用承载对应的逻辑信道上发送的数据是控制PDU时,提升该逻辑信道的优先级;在专用承载对应的逻辑信道上发送的数据不是控制PDU时,不提升该逻辑信道的优先级,按照该逻辑信道原先的优先级进行调度。专用承载可以是信令承载,也可以是数据承载,本实施例不作限定。
通信设备需要先建立专用承载,再对专用承载进行配置。在第一种实现方式中,当通信设备是基站时,生成并发送用于配置专用承载的承载配置信息,承载配置信息用于指示UE配置专用承载。在第二种实现方式中,当通信设备是UE时,接收基站生成并发送的专用承载的承载配置信息,根据承载配置信息配置专用承载。
在实现时,基站根据生成的承载配置信息配置建立的专用承载,并将承载配置信息发送给UE,UE根据承载配置信息配置建立的专用承载,在配置完成后,基站和UE可以在利用专用承载传输控制PDU。可选的,承载配置信息还可以写入标准,基站和UE在执行标准时分别根据承载配置信息配置专用承载,在配置完成后,基站和UE可以利用专用承载传输控制PDU。
本实施例中,专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,RLC实体配置信息包括AM配置信息;逻辑信道配置信息包括第三指示信息和第二优先级信息;或,逻辑信道配置信息包括第三指示信息,不包括第二优先级信息,且第二优先级信息预存在通信设备中。其中,第三指示信息用于指示承载在对应的逻辑信道上发送控制PDU时被优先调度,第二优先级信息用于指示逻辑信道被提升后的优先级。
RLC实体配置信息用于配置RLC实体,逻辑信道配置信息用于配置逻辑
信道。
当承载配置信息中包括第三指示信息时,确定承载配置信息所配置的承载是专用承载;当承载配置信息中不包括第三指示信息时,确定承载配置信息所配置的承载不是专用承载。
第二优先级信息用于指示逻辑信道被提升后的优先级。其中,第二优先级信息与第一优先级信息相同,详见步骤301中对第一优先级信息的描述,此处不再赘述。
需要说明的是,第三指示信息可以位于逻辑信道配置信息中,且第二优先级信息可以位于逻辑信道配置信息中,也可以预存在通信设备中,此时的承载配置信息如上所示。在其他的实现方式中,第三指示信息可以位于RLC实体配置信息中,且第二优先级信息可以位于RLC实体配置信息中,也可以预存在通信设备中,此时的承载配置信息如下所示。
本实施例中,专用承载的承载配置信息包括RLC实体配置信息,RLC实体配置信息包括AM配置信息、第三指示信息和第二优先级信息;或,RLC实体配置信息包括AM配置信息和第三指示信息,不包括第二优先级信息,且第二优先级信息预存在通信设备中。其中,第三指示信息用于指示承载在对应的逻辑信道上发送控制PDU时被优先调度,第二优先级信息用于指示逻辑信道被提升后的优先级。
可选的,承载配置信息还可以包括专用承载的承载标识。其中,承载标识用于标识专用承载。
可选的,逻辑信道配置信息还可以包括信道标识,信道标识用于在RLC实体与MAC实体之间标识逻辑信道。
在步骤402中,当存在待发送的控制PDU时,通过通信设备的RLC实体在专用承载对应的逻辑信道上将控制PDU发送给通信设备的MAC实体。
在配置完专用承载之后,通信设备可以利用专用承载来发送数据。由于在专用承载对应的逻辑信道上发送的数据是控制PDU时,提升该逻辑信道的优先级;在专用承载对应的逻辑信道上发送的数据不是控制PDU时,不提升该逻辑信道的优先级,按照该逻辑信道原先的优先级进行调度,因此,为了使MAC实体确定是否需要提升该逻辑信道的优先级,当RLC实体向MAC实体发送包括控制PDU的数据时,还需要向MAC实体发送第二指示信息,第二指示信息用于指示逻辑信道上将要发送控制PDU;当RLC实体向MAC实体发
送不包括控制PDU的数据时,不需要向MAC实体发送第二指示信息。
当待发送的数据包括控制PDU时,RLC实体计算该数据的数据量,并将该数据的数据量和第二指示信息发送给MAC实体;MAC实体根据第二指示信息确定逻辑信道被提升后的优先级,根据优先级和数据的数据量为控制PDU分配资源块,并将资源块的大小发送给RLC实体;RLC实体根据资源块的大小,在逻辑信道上将控制PDU发送给MAC实体。
可选的,除了优先级,MAC实体还可以根据QoS等其他参数来为控制PDU分配资源块。
在步骤403中,通过RLC实体向MAC实体发送控制PDU的数据量,数据量用于供MAC实体确定为控制PDU分配的资源块的大小。
由于待发送的数据可能同时包括控制PDU和数据PDU,当MAC实体可分配的资源块不多时,MAC实体可以本次先发送控制PDU,下次再发送数据PDU,因此,为了能够保证控制PDU被发送出去,RLC实体还可以将控制PDU的数据量发送给MAC实体,这样,MAC实体可以为控制PDU分配足够多的资源块来发送控制PDU。
需要说明的是,本实施例并不限定待发送数据的数据量、第二指示信息和控制PDU的数据量的发送顺序。可选的,RLC实体可以同时发送待发送数据的数据量、第二指示信息和控制PDU的数据量。
在步骤404中,通过MAC实体根据逻辑信道被提升的优先级发送控制PDU。
需要说明的是,当在多个专用承载对应的逻辑信道上发送控制PDU时,MAC实体可以按照这多个逻辑信道的优先级来为各个控制PDU分配资源块,并按照资源块来发送各个控制PDU。
综上所述,本公开提供的控制PDU发送方法,通过用于传输控制PDU的逻辑信道将控制PDU发送给MAC实体,使得MAC实体确定为逻辑信道提升的优先级,根据优先级发送控制PDU,由于逻辑信道的优先级被提升了,因此,MAC实体会优先发送控制PDU,而不是按照相关技术中为逻辑信道分配固定的优先级,在优先级较高的逻辑信道中的数据PDU发送完后,再发送优先级较低的逻辑信道中的控制PDU,可以缩短控制PDU的发送时延。
通过RLC实体向MAC实体发送控制PDU的数据量,由于MAC实体能够根据数据量确定为控制PDU分配的资源块的大小,因此,MAC实体可以为
控制PDU分配足够多的资源块来发送控制PDU。
图5是根据一示例性实施例示出的一种控制PDU发送装置的框图,该控制PDU发送装置应用于通信设备中,如图5所示,该控制PDU发送装置包括:承载建立模块510、第一发送模块520和第二发送模块530。
该承载建立模块510,被配置为建立用于传输控制PDU的专用承载;
该第一发送模块520,被配置为当存在待发送的控制PDU时,通过通信设备的RLC实体在承载建立模块510建立的专用承载对应的逻辑信道上将控制PDU发送给通信设备的MAC实体;
该第二发送模块530,被配置为通过MAC实体根据逻辑信道被提升的优先级发送控制PDU。
综上所述,本公开提供的控制PDU发送装置,通过用于传输控制PDU的逻辑信道将控制PDU发送给MAC实体,使得MAC实体确定为逻辑信道提升的优先级,根据优先级发送控制PDU,由于逻辑信道的优先级被提升了,因此,MAC实体会优先发送控制PDU,而不是按照相关技术中为逻辑信道分配固定的优先级,在优先级较高的逻辑信道中的数据PDU发送完后,再发送优先级较低的逻辑信道中的控制PDU,可以缩短控制PDU的发送时延。
图6是根据一示例性实施例示出的一种控制PDU发送装置的框图,该控制PDU发送装置应用于通信设备中,如图6所示,该控制PDU发送装置包括:承载建立模块610、第一发送模块620和第二发送模块630。
该承载建立模块610,被配置为建立用于传输控制PDU的专用承载;
该第一发送模块620,被配置为当存在待发送的控制PDU时,通过通信设备的RLC实体在承载建立模块610建立的专用承载对应的逻辑信道上将控制PDU发送给通信设备的MAC实体;
该第二发送模块630,被配置为通过MAC实体根据逻辑信道被提升的优先级发送控制PDU。
可选的,专用承载对应的逻辑信道是只用于传输控制PDU的专用逻辑信道。
可选的,装置,还包括:标识设置模块640;
该标识设置模块640,被配置为为控制PDU设置用于指示控制PDU所属
的数据承载的承载标识。
可选的,控制PDU所属的数据承载的承载配置信息包括第一指示信息,第一指示信息用于指示是否在专用逻辑信道上发送控制PDU。
可选的,专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载。
可选的,装置,还包括:第三发送模块650;
该第三发送模块650,被配置为通过RLC实体向MAC实体发送第二指示信息,第二指示信息用于指示逻辑信道上将要发送控制PDU。
可选的,装置,还包括:第四发送模块660;
该第四发送模块660,被配置为通过RLC实体向MAC实体发送控制PDU的数据量,数据量用于供MAC实体确定为控制PDU分配的资源块的大小。
可选的,装置,还包括:第一配置模块670或第二配置模块680;
该第一配置模块670,被配置为当通信设备是基站时,生成并发送用于配置专用承载的承载配置信息,承载配置信息用于指示用户设备UE配置专用承载;
该第二配置模块680,被配置为当通信设备是UE时,接收基站生成并发送的专用承载的承载配置信息,根据承载配置信息配置建立的专用承载。
可选的,当专用承载对应的逻辑信道是专用逻辑信道时;
专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,RLC实体配置信息包括确认模式AM配置信息,且不包括分组数据汇聚协议PDCP配置信息;逻辑信道配置信息包括第一优先级信息;或者,
专用承载的承载配置信息包括RLC实体配置信息,RLC实体配置信息包括AM配置信息和第一优先级信息,且不包括PDCP配置信息;或,RLC实体配置信息包括AM配置信息,不包括PDCP配置信息和第一优先级信息,且第一优先级信息预存在通信设备中;
其中,第一优先级信息用于指示专用逻辑信道被提升后的优先级。
可选的,当专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载时;
专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,RLC实体配置信息包括AM配置信息;逻辑信道配置信息包括第三指示信息和第二优先级信息;或,逻辑信道配置信息包括第三指示信息,不包括第二优先
级信息,且第二优先级信息预存在通信设备中;或者,
专用承载的承载配置信息包括RLC实体配置信息,RLC实体配置信息包括AM配置信息、第三指示信息和第二优先级信息;或,RLC实体配置信息包括AM配置信息和第三指示信息,不包括第二优先级信息,且第二优先级信息预存在通信设备中;
其中,第三指示信息用于指示承载在对应的逻辑信道上发送控制PDU时被优先调度,第二优先级信息用于指示逻辑信道被提升后的优先级。
综上所述,本公开提供的控制PDU发送装置,通过用于传输控制PDU的逻辑信道将控制PDU发送给MAC实体,使得MAC实体确定为逻辑信道提升的优先级,根据优先级发送控制PDU,由于逻辑信道的优先级被提升了,因此,MAC实体会优先发送控制PDU,而不是按照相关技术中为逻辑信道分配固定的优先级,在优先级较高的逻辑信道中的数据PDU发送完后,再发送优先级较低的逻辑信道中的控制PDU,可以缩短控制PDU的发送时延。
通过为控制PDU设置用于指示控制PDU所属的数据承载的承载标识,由于控制PDU需要由其所属的数据承载对应的RLC实体处理,因此,当在专用逻辑信道上发送多个控制PDU时,可以根据承载标识确定处理各个控制PDU的RLC实体,从而保证控制PDU能够被成功处理。
通过第一指示信息指示是否在专用逻辑信道上发送控制PDU,这样,当某些控制PDU对时延要求不高时,可以不在专用逻辑信道上发送控制PDU,而是在普通的逻辑信道上发送控制PDU,从而保证对时延要求高的控制PDU被优先发送。
通过RLC实体向MAC实体发送控制PDU的数据量,由于MAC实体能够根据数据量确定为控制PDU分配的资源块的大小,因此,MAC实体可以为控制PDU分配足够多的资源块来发送控制PDU。
关于上述实施例中的装置,其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述,此处将不做详细阐述说明。
本公开一示例性实施例提供了一种控制PDU发送装置,能够实现本公开提供的控制PDU发送方法,该控制PDU发送装置包括:处理器、用于存储处理器可执行指令的存储器;
其中,处理器被配置为:
建立用于传输控制PDU的专用承载;
当存在待发送的控制PDU时,通过通信设备的RLC实体在专用承载对应的逻辑信道上将控制PDU发送给通信设备的MAC实体;
通过MAC实体根据逻辑信道被提升的优先级发送控制PDU。
图7是根据一示例性实施例示出的一种用于控制PDU发送的装置700的框图。例如,装置700可以是移动电话,计算机,数字广播终端,消息收发设备,游戏控制台,平板设备,医疗设备,健身设备,个人数字助理等。
参照图7,装置700可以包括以下一个或多个组件:处理组件702,存储器704,电源组件706,多媒体组件708,音频组件710,输入/输出(I/O)的接口712,传感器组件714,以及通信组件716。
处理组件702通常控制装置700的整体操作,诸如与显示,电话呼叫,数据通信,相机操作和记录操作相关联的操作。处理组件702可以包括一个或多个处理器718来执行指令,以完成上述的方法的全部或部分步骤。此外,处理组件702可以包括一个或多个模块,便于处理组件702和其他组件之间的交互。例如,处理组件702可以包括多媒体模块,以方便多媒体组件708和处理组件702之间的交互。
存储器704被配置为存储各种类型的数据以支持在装置700的操作。这些数据的示例包括用于在装置700上操作的任何应用程序或方法的指令,联系人数据,电话簿数据,消息,图片,视频等。存储器704可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
电源组件706为装置700的各种组件提供电力。电源组件706可以包括电源管理系统,一个或多个电源,及其他与为装置700生成、管理和分配电力相关联的组件。
多媒体组件708包括在所述装置700和用户之间的提供一个输出接口的屏幕。在一些实施例中,屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板,屏幕可以被实现为触摸屏,以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手
势。所述触摸传感器可以不仅感测触摸或滑动动作的边界,而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中,多媒体组件708包括一个前置摄像头和/或后置摄像头。当装置700处于操作模式,如拍摄模式或视频模式时,前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件710被配置为输出和/或输入音频信号。例如,音频组件710包括一个麦克风(MIC),当装置700处于操作模式,如呼叫模式、记录模式和语音识别模式时,麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器704或经由通信组件716发送。在一些实施例中,音频组件710还包括一个扬声器,用于输出音频信号。
I/O接口712为处理组件702和外围接口模块之间提供接口,上述外围接口模块可以是键盘,点击轮,按钮等。这些按钮可包括但不限于:主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件714包括一个或多个传感器,用于为装置700提供各个方面的状态评估。例如,传感器组件714可以检测到装置700的打开/关闭状态,组件的相对定位,例如所述组件为装置700的显示器和小键盘,传感器组件714还可以检测装置700或装置700一个组件的位置改变,用户与装置700接触的存在或不存在,装置700方位或加速/减速和装置700的温度变化。传感器组件714可以包括接近传感器,被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件714还可以包括光传感器,如CMOS或CCD图像传感器,用于在成像应用中使用。在一些实施例中,该传感器组件714还可以包括加速度传感器,陀螺仪传感器,磁传感器,压力传感器或温度传感器。
通信组件716被配置为便于装置700和其他设备之间有线或无线方式的通信。装置700可以接入基于通信标准的无线网络,如WiFi,2G或3G,或它们的组合。在一个示例性实施例中,通信组件716经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,所述通信组件716还包括近场通信(NFC)模块,以促进短程通信。例如,在NFC模块可基于射频识别(RFID)技术,红外数据协会(IrDA)技术,超宽带(UWB)技术,蓝牙(BT)技术和其他技术来实现。
在示例性实施例中,装置700可以被一个或多个应用专用集成电路
(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现,用于执行上述方法。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,例如包括指令的存储器704,上述指令可由装置700的处理器718执行以完成上述方法。例如,所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里的公开后,将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本公开的真正范围和精神由下面的权利要求指出。
应当理解的是,本公开并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。
Claims (21)
- 一种控制协议数据单元PDU发送方法,其特征在于,用于通信设备中,所述方法包括:建立用于传输控制PDU的专用承载;当存在待发送的控制PDU时,通过所述通信设备的无线链路控制RLC实体在所述专用承载对应的逻辑信道上将所述控制PDU发送给所述通信设备的媒体接入控制MAC实体;通过所述MAC实体根据所述逻辑信道被提升的优先级发送所述控制PDU。
- 根据权利要求1所述的方法,其特征在于,所述专用承载对应的逻辑信道是只用于传输控制PDU的专用逻辑信道。
- 根据权利要求2所述的方法,其特征在于,所述方法,还包括:为所述控制PDU设置用于指示所述控制PDU所属的数据承载的承载标识。
- 根据权利要求3所述的方法,其特征在于,所述控制PDU所属的数据承载的承载配置信息包括第一指示信息,所述第一指示信息用于指示是否在所述专用逻辑信道上发送所述控制PDU。
- 根据权利要求1所述的方法,其特征在于,所述专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载。
- 根据权利要求5所述的方法,其特征在于,所述方法,还包括:通过所述RLC实体向所述MAC实体发送第二指示信息,所述第二指示信息用于指示所述逻辑信道上将要发送所述控制PDU。
- 根据权利要求6所述的方法,其特征在于,所述方法,还包括:通过所述RLC实体向所述MAC实体发送所述控制PDU的数据量,所述数据量用于供所述MAC实体确定为所述控制PDU分配的资源块的大小。
- 根据权利要求2至7任一所述的方法,其特征在于,所述方法,还包括:当所述通信设备是基站时,生成并发送用于配置所述专用承载的承载配置信息,所述承载配置信息用于指示用户设备UE配置所述专用承载;当所述通信设备是UE时,接收基站生成并发送的所述专用承载的承载配置信息,根据所述承载配置信息配置建立的所述专用承载。
- 根据权利要求8所述的方法,其特征在于,当所述专用承载对应的逻辑信道是所述专用逻辑信道时;所述专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,所述RLC实体配置信息包括确认模式AM配置信息,且不包括分组数据汇聚协议PDCP配置信息;所述逻辑信道配置信息包括第一优先级信息;或者,所述专用承载的承载配置信息包括RLC实体配置信息,所述RLC实体配置信息包括AM配置信息和第一优先级信息,且不包括PDCP配置信息;或,所述RLC实体配置信息包括AM配置信息,不包括PDCP配置信息和第一优先级信息,且所述第一优先级信息预存在所述通信设备中;其中,所述第一优先级信息用于指示所述专用逻辑信道被提升后的优先级。
- 根据权利要求8所述的方法,其特征在于,当所述专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载时;所述专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,所述RLC实体配置信息包括AM配置信息;所述逻辑信道配置信息包括第三指示信息和第二优先级信息;或,所述逻辑信道配置信息包括第三指示信息,不包括第二优先级信息,且所述第二优先级信息预存在所述通信设备中;或者,所述专用承载的承载配置信息包括RLC实体配置信息,所述RLC实体配置信息包括AM配置信息、第三指示信息和第二优先级信息;或,所述RLC实体配置信息包括AM配置信息和第三指示信息,不包括第二优先级信息,且所述第二优先级信息预存在所述通信设备中;其中,所述第三指示信息用于指示所述承载在对应的逻辑信道上发送控制PDU时被优先调度,所述第二优先级信息用于指示所述逻辑信道被提升后的优先级。
- 一种控制协议数据单元PDU发送装置,其特征在于,用于通信设备中,所述装置包括:承载建立模块,被配置为建立用于传输控制PDU的专用承载;第一发送模块,被配置为当存在待发送的控制PDU时,通过所述通信设备的无线链路控制RLC实体在所述承载建立模块建立的所述专用承载对应的逻辑信道上将所述控制PDU发送给所述通信设备的媒体接入控制MAC实体;第二发送模块,被配置为通过所述MAC实体根据所述逻辑信道被提升的优先级发送所述控制PDU。
- 根据权利要求11所述的装置,其特征在于,所述专用承载对应的逻辑信道是只用于传输控制PDU的专用逻辑信道。
- 根据权利要求12所述的装置,其特征在于,所述装置,还包括:标识设置模块,被配置为为所述控制PDU设置用于指示所述控制PDU所属的数据承载的承载标识。
- 根据权利要求13所述的装置,其特征在于,所述控制PDU所属的数据承载的承载配置信息包括第一指示信息,所述第一指示信息用于指示是否在所述专用逻辑信道上发送所述控制PDU。
- 根据权利要求11所述的装置,其特征在于,所述专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载。
- 根据权利要求15所述的装置,其特征在于,所述装置,还包括:第三发送模块,被配置为通过所述RLC实体向所述MAC实体发送第二指示信息,所述第二指示信息用于指示所述逻辑信道上将要发送所述控制PDU。
- 根据权利要求16所述的装置,其特征在于,所述装置,还包括:第四发送模块,被配置为通过所述RLC实体向所述MAC实体发送所述控制PDU的数据量,所述数据量用于供所述MAC实体确定为所述控制PDU分配的资源块的大小。
- 根据权利要求12至17任一所述的装置,其特征在于,所述装置,还包括:第一配置模块,被配置为当所述通信设备是基站时,生成并发送用于配置所述专用承载的承载配置信息,所述承载配置信息用于指示用户设备UE配置所述专用承载;第二配置模块,被配置为当所述通信设备是UE时,接收基站生成并发送的所述专用承载的承载配置信息,根据所述承载配置信息配置建立的所述专用承载。
- 根据权利要求18所述的装置,其特征在于,当所述专用承载对应的逻辑信道是所述专用逻辑信道时;所述专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,所述RLC实体配置信息包括确认模式AM配置信息,且不包括分组数据汇聚协议PDCP配置信息;所述逻辑信道配置信息包括第一优先级信息;或者,所述专用承载的承载配置信息包括RLC实体配置信息,所述RLC实体配置信息包括AM配置信息和第一优先级信息,且不包括PDCP配置信息;或,所述RLC实体配置信息包括AM配置信息,不包括PDCP配置信息和第一优先级信息,且所述第一优先级信息预存在所述通信设备中;其中,所述第一优先级信息用于指示所述专用逻辑信道被提升后的优先级。
- 根据权利要求18所述的装置,其特征在于,当所述专用承载是在对应的逻辑信道上发送控制PDU时被优先调度的承载时;所述专用承载的承载配置信息包括RLC实体配置信息和逻辑信道配置信息,所述RLC实体配置信息包括AM配置信息;所述逻辑信道配置信息包括第三指示信息和第二优先级信息;或,所述逻辑信道配置信息包括第三指示信息,不包括第二优先级信息,且所述第二优先级信息预存在所述通信设备中;或者,所述专用承载的承载配置信息包括RLC实体配置信息,所述RLC实体配置信息包括AM配置信息、第三指示信息和第二优先级信息;或,所述RLC实体配置信息包括AM配置信息和第三指示信息,不包括第二优先级信息,且所述第二优先级信息预存在所述通信设备中;其中,所述第三指示信息用于指示所述承载在对应的逻辑信道上发送控制PDU时被优先调度,所述第二优先级信息用于指示所述逻辑信道被提升后的优先级。
- 一种控制协议数据单元PDU发送装置,其特征在于,用于通信设备中,所述装置包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:建立用于传输控制PDU的专用承载;当存在待发送的控制PDU时,通过所述通信设备的无线链路控制RLC实体在所述专用承载对应的逻辑信道上将所述控制PDU发送给所述通信设备的媒体接入控制MAC实体;通过所述MAC实体根据所述逻辑信道被提升的优先级发送所述控制PDU。
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