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Resource allocation method and resource allocation device

A technology of resource allocation and resource allocation, applied in the field of resource allocation, it can solve the problem of unable to realize the scheduling of data packet priority, and achieve the effect of improving system performance

Active Publication Date: 2017-02-22
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The present invention provides a method and device for allocating resources, which are used to solve the problem that the resource allocation mode of D2D communication base station scheduling in the prior art cannot realize the scheduling based on the priority of D2D communication data packets

Method used

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  • Resource allocation method and resource allocation device
  • Resource allocation method and resource allocation device
  • Resource allocation method and resource allocation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0133] Embodiment 1: report through dedicated signaling.

[0134] Step 1: The terminal determines the first corresponding relationship between the PPP and the LCG ID.

[0135] In the embodiment of the present invention, the terminal can determine the first correspondence between PPP and LCG ID by itself. For logical channels corresponding to different destination addresses of a terminal, the first correspondence between PPP and LCG ID can be the same or different.

[0136] If they are the same, the terminal can directly determine the first correspondence between the PPP and the LCG ID. For example, if the number of LCG IDs is the same as the number of PPP levels, the base station may use a 1:1 mapping manner when configuring the correspondence between PPP and LCG IDs. However, if the number of LCG IDs is less than the number of PPP levels, m:1 (m≥1) mapping needs to be considered. An example is as follows: If the number of PPP levels is 8 and the number of LCG IDs is 4, then...

Embodiment 2

[0163] Embodiment 2: report through the sidelink BSR MAC CE.

[0164] Step 1: The terminal itself determines the corresponding relationship between the PPP and the LCG ID.

[0165] In the embodiment of the present invention, the terminal can determine the first correspondence between PPP and LCG ID by itself. For logical channels corresponding to different destination addresses of a terminal, the first correspondence between PPP and LCG ID can be the same or different.

[0166] If they are the same, the terminal can directly determine the first correspondence between the PPP and the LCG ID. For example, if the number of LCG IDs is the same as the number of PPP levels, the base station may use a 1:1 mapping manner when configuring the correspondence between PPP and LCG IDs. However, if the number of LCG IDs is less than the number of PPP levels, m:1 (m≥1) mapping needs to be considered. An example is as follows: if the number of PPP levels is 8 and the number of LCG IDs is 4,...

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Abstract

The invention relates to the wireless communication technology field, especially relates to a resource allocation method and a resource allocation device. The resource allocation method and the resource allocation device are used to solve a problem of a prior art of inability of realizing scheduling based on D2D communication data package priority caused by conventional resource allocation ways of D2D communication base station scheduling. A terminal is used to notify a network side device of a first corresponding relation, and the network side device is used to determine PPP corresponding to LCG ID of every destination in sidelink BSR MAC CE according to the first corresponding relation. Resources are allocated for every destination of the terminal according to the determined PPP and buffer area state information corresponding to the LCG ID of every destination address in the sidelink BSR MAC CE. The resources are allocated for every destination address of the terminal according to the PPP, and therefore system performance is improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and device for allocating resources. Background technique [0002] In the 3GPP (3rd Generation Partnership Project, third-generation mobile communication standardization organization) LTE (Long Term Evolution, long-term evolution) system, the method of centralized network control is adopted, that is, the uplink and downlink data of UE (User Equipment) are all in the network send and receive under control. Communication between UEs is forwarded and controlled by the network. There is no direct communication link between UEs, and UEs are not allowed to send uplink data by themselves, see Figure 1A . [0003] D2D (Device-to-Device, device-to-device), that is, user equipment direct technology, refers to the way that adjacent user equipment can transmit data through a direct link within a short distance without passing through a central node (ie, a b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/00H04W72/04H04L29/06
CPCH04L69/168H04W72/04
Inventor 赵亚利张惠英
Owner DATANG MOBILE COMM EQUIP CO LTD
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