Obtaining method and apparatus of control channel resources

A technology for controlling channel resources and obtaining methods, which is applied in the field of device-to-device mobile communication, and can solve the problems of inability to know the reception of D2D data, low utilization of side link channel resources, etc.

Active Publication Date: 2017-05-31
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, when D2D UE transmits data based on PSCCH and PSSCH resources, it can only perform one-way broadcast / multicast communication. The sending UE blindly transmits D2D data, and cannot know the reception status of the receiving UE for D2D data, making the side chain Low utilization of road channel resources

Method used

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  • Obtaining method and apparatus of control channel resources
  • Obtaining method and apparatus of control channel resources
  • Obtaining method and apparatus of control channel resources

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Embodiment Construction

[0155] In the D2D communication system, the D2D sending UE that has D2D data to be sent can send D2D scheduling control information on the PSCCH, instructing the receiving UE that the sending UE sends D2D data on the corresponding PSSCH; D2D communication adopts the broadcast communication mode , at this time, after sending the scheduling control information and corresponding data, the UE at the sending end cannot obtain feedback information from the UE at the receiving end whether the data is received correctly; the UE at the receiving end cannot feed back Sidelink measurement and status information to the UE at the sending end.

[0156] In each embodiment of the present invention, the UE at the receiving end (also referred to as the first UE in the embodiments of the present invention) obtains PSSCCH resources, and carries the sending side link feedback control information on the obtained PSSCCH resources; The terminal UE (also referred to as the second UE in the present inve...

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Abstract

The embodiment of the invention provides an obtaining method of control channel resources. The method includes: first UE obtains a PSSCCH resource; and sidelink feedback control information is sent on the obtained PSSCCH resource. A PSSCCH is set, and the PSSCCH resource is indicated to the first UE so that the first UE bears and sends sidelink feedback control information on the obtained PSSCCH resource and provides reference information used by data transmission resources for second UE or network side equipment. The embodiment of the invention also provides user equipment and network side equipment.

Description

technical field [0001] The present invention relates to a device-to-device (Device-to-Device, D2D) mobile communication technology, in particular to a method and device for acquiring control channel resources. Background technique [0002] In a D2D communication system, when D2D data needs to be transmitted between user equipments (User Equipment, UE), it is directly transmitted from the sending UE sending the D2D data to the receiving UE through the air interface, such as figure 1 As shown in , the wireless link between D2D UEs is called a side link (Sidelink). For short-distance communication UEs using D2D communication, D2D transmission not only saves wireless spectrum resources, but also reduces the data transmission pressure of the core network, which can reduce system resource occupation, increase the spectrum efficiency of the cellular communication system, and reduce terminal transmission power consumption. , and save network operating costs to a large extent. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
CPCH04W72/0446H04W72/53H04W72/04
Inventor 杨瑾黄双红卢有雄
Owner ZTE CORP
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