Resource configuration method and device

A resource configuration and configuration method technology, applied in network traffic/resource management, wireless communication, electrical components, etc., can solve problems such as not supporting resource configuration and use, affecting UE data transmission, complex resource configuration, etc.

Pending Publication Date: 2018-02-23
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the following problems exist in the above-mentioned D2D / V2V communication process: when the eNB schedules Sidelink resources for the UE, or the UE selects resources in the Sidelink resource pool, the UE may have multiple services in the Sidelink at the same time, or multiple channels of data need to be transmitted at the same time, and The current Sidelink transmission scheme does not support the configuration and use of such resources, which affects the efficiency of UE data transmission and causes problems such as large service delay and complex resource allocation.

Method used

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Examples

Experimental program
Comparison scheme
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example 1

[0217] Example 1 DCI indicates multi-process dynamic resource allocation

[0218] The eNB adopts the second type of configuration method to dynamically configure multiple groups of resources to the UE, and indicates different process numbers through the DCI, so as to realize multi-process data transmission of the UE.

[0219] like figure 2 As shown, the eNB scrambles the DCI CRC with the UE's unique C-RNTI to identify and indicate the resources configured by the UE. On subframe #2 and subframe #3, the eNB sends a DCI message to the UE respectively, and the indication information contained in it is:

[0220] PSCCH resource and PSSCH resource configuration;

[0221] MCS;

[0222] power control parameters;

[0223] HARQ process ID.

[0224] Among them, the PSCCH resources and PSSCH resources configured in the DCI sent in subframe #2 are the resources on subframe #7, and the indicated HARQ process number is #3; the PSCCH resources configured in the DCI sent in subframe #3 T...

example 2

[0225] Instance 2 RRC indicates multiple sets of SPS configuration, and DCI indicates activation

[0226] The eNB adopts the first type of configuration method to schedule multiple sets of SPS resources to the UE, and realizes multi-process data transmission of the UE through RRC messages and DCI signaling instructions.

[0227] like image 3 As shown, the eNB configures multiple SPS C-RNTIs for the UE through the RRC message, and configures a set of resources for each SPS C-RNTI, and each set of resource configuration includes:

[0228] SPS resource cycle;

[0229] power control parameters;

[0230] Feedback control channel resources used to indicate release.

[0231] Further, the eNB scrambles the DCI CRC through the SPS C-RNTI to identify and indicate the resources configured by the UE.

[0232] The eNB scrambles the DCI CRC through the SPS C-RNTI A, indicates the resources corresponding to the SPS C-RNTI A of the activated UE, and indicates in the DCI:

[0233] SPS ac...

example 3

[0239] Example 3 RRC indicates multiple sets of SPS configurations, and UE feedbacks resource release

[0240] The eNB adopts the second type of configuration method to schedule multiple sets of SPS resources to the UE, and realizes multi-process data transmission of the UE through RRC messages and DCI signaling instructions.

[0241] like Figure 4 As shown, the eNB configures multiple process numbers for the UE through the RRC message, and configures a set of resources for each process number, and each set of resource configuration includes:

[0242] SPS resource cycle;

[0243] power control parameters;

[0244] Feedback control channel resources used to indicate release.

[0245] Further, the eNB identifies and indicates the resource configured by the UE by indicating the corresponding process number in the DCI.

[0246] The eNB indicates the process number #1 in the DCI, configures and activates the corresponding resources, and indicates in the DCI:

[0247] SPS acti...

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Abstract

The invention discloses a resource configuration method and a resource configuration device. The method comprises the step of configuring one or more sets of resources via a first type of configuration method and / or a second type of configuration method, wherein the first type of configuration method comprises the steps of configuring one or more ID for user equipment (UE), and configuring a set of resources for each ID of the UE, and the second type of configuration method comprises the steps of configuring one or more resource configuration index numbers for the UE, and each resource configuration index number is corresponding to one set of resources.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a resource configuration method and device suitable for D2D / V2V communication. Background technique [0002] In a device-to-device (D2D, Device-to-Device) communication system, when there is business to be transmitted between user equipment (UE, UserEquipment), the business data between UEs is not forwarded by the base station, but is directly transmitted by the source UE Transmitted to the target UE through the air interface, such as figure 1 As shown, the wireless link between D2D UEs is called a side link (Sidelink). The D2D communication mode has characteristics that are obviously different from the communication mode of the traditional cellular system. 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 cellula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/02H04W72/04
CPCH04W28/0215H04W72/51H04W72/04
Inventor 杨瑾黄双红卢有雄
Owner ZTE CORP
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