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Configuration method, signal transmission method and node for sharing resources of multiple wireless links

A configuration method and technology for sharing resources, applied in the configuration method of multi-radio link shared resources, signal transmission method and node field, can solve problems such as limited types, inability to meet AL/sBL resources, resource waste, etc.

Active Publication Date: 2019-01-22
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] The inventors of the present invention have found through research that, in terms of the uplink HARQ (Hybrid ARQ) timing relationship corresponding to the TDD uplink and downlink configuration, the MBSFN subframe corresponding to the sBL uplink subframe or the MBSFN subframe corresponding to no uplink subframe does not need Scheduling the uplink data transmission of the access link, the PDCCH / PHICH channel has no effect, and the control domain is only used to transmit CRS / PCFICH, which will waste resources
[0021] In addition, the types of AL / sBL resource configuration of LTE R10 Relay are currently limited, which cannot meet the needs of flexible allocation of AL / sBL resources in UDN networks
For example, LTE R10 Relay does not support dynamic allocation of all resources to AL

Method used

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  • Configuration method, signal transmission method and node for sharing resources of multiple wireless links
  • Configuration method, signal transmission method and node for sharing resources of multiple wireless links
  • Configuration method, signal transmission method and node for sharing resources of multiple wireless links

Examples

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Embodiment 1

[0312] This embodiment provides a method for configuring shared resources of multiple radio links, where the multiple radio links include a first link and a second link, or include a first link, a second link, and a third link. Such as Figure 13 As shown, the method includes:

[0313] Step 110, perform P-Q configuration on a set N composed of a group of continuous units, and determine the set P used for the second link / third link downlink transmission and the set used for the second link / third link uplink transmission Q;

[0314] Step 120, perform U-V configuration on the set N, and determine the set U used for the downlink transmission of the first link / third link and the set V used for the uplink transmission of the first link / third link; set S It is used for the second link / third link uplink transmission and the second link / third link downlink transmission.

[0315] Wherein, the units in the set S are determined to be used for uplink transmission or downlink transmissio...

Embodiment 2

[0341] This embodiment is a signal transmission method applied to a first node. The first node performs signal transmission based on the resource configuration described in Embodiment 1, including:

[0342] on the units of the set U, send a signal to the second node;

[0343] On the units of the set V, the signal sent by the second node is received.

[0344] When there is a third link between the first node and the third node, one or more of the following signal transmissions are also performed:

[0345] On the units of the set P, send a signal to the third node;

[0346] On the unit of set Q, receive the signal sent by the third node;

[0347] on the units of the set U, send a signal to the third node;

[0348] On the unit of the set V, receive the signal sent by the third node;

[0349] On the units of the set S, a signal is sent to the third node and / or a signal sent by the third node is received.

[0350] In this application, the expression "on a certain set of units,...

Embodiment 3

[0415] This embodiment provides a signal transmission method, which is applied to the second node, where:

[0416] The second node performs signal transmission based on the resource configuration determined by the method in Embodiment 1, including:

[0417] On the units of the set P, send a signal to the third node;

[0418] On the unit of set Q, receive the signal sent by the third node;

[0419] On the unit of the set U, receive a signal sent by the first node;

[0420] On the units of the set V, send a signal to the first node;

[0421] On the units of the set S, a signal is sent to the third node and / or a signal sent by the third node is received.

[0422] In one example,

[0423] The signal sent by the second node to the third node on the unit of the set P includes all ACK / NACK signals of the data sent by the third node to the second node;

[0424] The signal sent by the third node received by the second node on the unit of the set Q includes all ACK / NACK signals of ...

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Abstract

A configuration method, a signal transmission method, and a node for sharing resources of multiple wireless links, wherein the multiple wireless links include a first link and a second link; P-Q configuration is performed on a set N composed of a group of continuous units, Determining the set P used for downlink transmission of the second link / third link and the set Q used for uplink transmission of the second link / third link; performing U-V configuration on the set N, determining where Set U for downlink transmission of the first link / third link and set V for uplink transmission of the first link / third link; set S for uplink transmission of the second link / third link and set V for uplink transmission of the first link / third link Second link / third link downlink transmission. The first link is a link between the first node and the second node; the second link is a link between the second node and the third node. The invention supports flexible and fast resource allocation of multiple wireless links such as sBL and AL.

Description

technical field [0001] The present invention relates to the field of wireless communication, and more specifically, to a configuration method, a signal transmission method and a node for sharing resources of multiple wireless links. Background technique [0002] The development history of mobile communication shows that cell splitting, larger bandwidth, and higher spectrum efficiency are the three pillars for system capacity improvement. Therefore, "cell splitting" will be the key to achieve the goal of 5G system capacity growth. [0003] The 4G system obtains cell split gain through a heterogeneous network (Heterogeneous Network, HetNet for short). In the HetNet network, the low-power transmission point (Transmission Point, TP for short) is flexibly and sparsely deployed within the coverage area of ​​the macro cell base station (Macro Cell eNodeB or eNB), forming a macro cell and a small cell (Small cell Cell) composed of multi-layer network. HetNet can not only improve ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/12
CPCH04W72/0446H04W72/542H04W72/21H04W72/23H04L5/0037H04L5/1469H04W72/04H04W72/12H04L5/0053H04W16/10H04W72/1263
Inventor 郝鹏李剑毕峰
Owner ZTE CORP
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