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Method and device for using buffer status report in wireless communication system supporting inter-terminal communication

A buffer status and terminal technology, applied in the buffer status report, wireless communication system field

Active Publication Date: 2020-08-25
CISCO SYSTEMS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this case, if there is already a triggered buffer status report in the terminal, how the terminal uses the triggered buffer status report has not yet been decided, so specific operations and definition

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  • Method and device for using buffer status report in wireless communication system supporting inter-terminal communication
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  • Method and device for using buffer status report in wireless communication system supporting inter-terminal communication

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Embodiment Construction

[0016] Hereinafter, in this specification, the contents related to the present invention will be described in detail together with the contents of the present invention using the illustrated drawings and examples. It should be noted that, when assigning reference signs to configuration elements in each drawing, the same configuration elements are used as much as possible even in different drawings. In addition, when describing the embodiments of the present specification, detailed descriptions of conventional configurations or functions that may obscure the gist of the present specification are omitted.

[0017] In addition, in this specification, the wireless communication network is used as an object for description, and the operations completed in the wireless communication network can be completed in the process of controlling the network and sending data in the system (such as a base station) that governs the corresponding wireless communication network, or This can be do...

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Abstract

The invention provides a method and device for using a buffer state report in a wireless communication system supporting inter-terminal communication. In a wireless communication system that supports communication between terminals (device-to-device, Device-to-Device), the application method according to the buffer status report of the terminal includes: changing the D2D transmission mode set in the terminal from the first transmission mode to the second transmission mode Step 2 of the transmission mode: when the buffer state report (Buffer State Report) for the data to be transmitted by D2D communication is triggered, the step of canceling (cancel) the triggered (trigger) buffer state report. The first transmission mode may be a mode of performing D2D communication using resources allocated from the base station, and the second transmission mode may be a mode of performing D2D communication using resource pool information for D2D communication.

Description

technical field [0001] The present invention relates to wireless communication, in particular, to a wireless communication system supporting inter-terminal communication (device-to-device communication, device todevice communication), when a terminal uses resources allocated from a base station to perform inter-terminal communication, using a buffer status report (buffer state report) method and apparatus. Background technique [0002] Inter-device (D2D: device to device, device to device) communication has been a feasible communication method since the period of analog radio transceivers, and has a very long history. However, the D2D communication in the wireless communication system is different from the existing D2D communication. [0003] D2D communication in a wireless communication system means that geographically adjacent terminals use the information sending and receiving technology of the wireless communication system on the frequency band of the communication syst...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/02H04W72/04
CPCH04W76/27H04W76/14H04W28/0278H04W76/19
Inventor 权起范
Owner CISCO SYSTEMS INC