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Transmission control method and device of buffer state report (BSR)

A technology of transmission control and resource location, which is applied in the field of communication, can solve problems affecting business transmission, etc., and achieve the effects of increasing transmission opportunities, facilitating product upgrades, and being easy to implement

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  • Description
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Problems solved by technology

Therefore, it will affect the service transmission during the timing of retxBSR-Timer
For example, because the terminal cannot transmit the feedback information of the downlink TCP in the uplink, the downlink TCP can only perform TCP retransmission during the period before the timer retxBSR-Timer expires, and because the protocol stipulates that the minimum delay of the timer retxBSR-Timer is 320ms , so the downlink TCP service will experience large jitter

Method used

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  • Transmission control method and device of buffer state report (BSR)
  • Transmission control method and device of buffer state report (BSR)
  • Transmission control method and device of buffer state report (BSR)

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Embodiment Construction

[0024] Embodiments of the present invention provide a BSR transmission control method and device, which are used to increase BSR transmission opportunities by adjusting physical resources for BSR transmission, thereby increasing the success rate of BSR transmission.

[0025] The embodiment of the present invention monitors the transmission result of the BSR triggered by the SR on the PUSCH, adopts an adaptive method to increase the transmission opportunity of the BSR, and adjusts the physical resources for transmitting the BSR, thereby increasing the probability that the BSR reports success before the timer retxBSR-Timer times out. opportunity, such as Figure 4 shown.

[0026] The technical solutions provided by the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] Such as Figure 5 As shown, a transmission control method of a cache status report BSR provided by an embodiment of the present inventi...

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Abstract

The invention discloses a transmission control method and a transmission control device of buffer state report (BSR), wherein the method and device are used for adjusting physical resources which transmit BSR to increase transmission chances of the BSR, so that the transmission success rate of the BSR is improved. The transmission control method of BSR comprises the steps of: distributing a physical uplink shared channel (PUSCH) resource for a terminal when a schedule requirement (SR) transmitted by the terminal is received, and sending a UL-GRANT which carries a PUSCH resource indication distributed for the terminal to the terminal; detecting a decoding result of BSR transmitted by the terminal via the PUSCH resource; judging whether the sending of the UL-GRANT is continued or not, and adjusting PUSCH resource positions distributed for the terminal.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a transmission control method and device for Buffer Status Reports (Buffer Status Reports, BSR). Background technique [0002] During transmission control protocol (Transfer Control Protocol, TCP) business transmission, the sender needs feedback from the receiver to continue the new transmission. If the feedback does not reach the sender in time, it will cause the sender and receiver to perform TCP retransmission. In the LTE system, if there is currently no uplink service, the transmission feedback of the downlink TCP service will cause the terminal to generate a regular buffer status report (Buffer Status Reports, BSR). When the timer retxBSR-Timer expires, the terminal will trigger the scheduling through the regular BSR Request (Scheduling Request, SR) to obtain the uplink scheduling permission (UL-GRANT), and report the BSR to the base station on the correspondi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
Inventor 毛博雅周宇恒张龙李静
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