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A resource allocation method and node

A resource allocation and node technology, applied in the field of communication, can solve complex interference scenarios, interference and other problems

Active Publication Date: 2020-12-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, flexible duplex SDMA technology creates more complex interference scenarios while realizing space division multiplexing, in which there is a problem of demodulation reference signal (de-modulation reference signal, DMRS) interference

Method used

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  • A resource allocation method and node
  • A resource allocation method and node
  • A resource allocation method and node

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Embodiment Construction

[0059] The application will be described in further detail below in conjunction with the accompanying drawings.

[0060] The resource configuration method provided in this application can be applied in a relay system. The relay system can adopt such as figure 1 In the system architecture shown, node 1 (host node) does not directly send the signal to node 4 (user equipment), but sends it to node 2 (relay node) first, and then node 2 forwards it to node 3 (relay node) node), and then forwarded by node 3 to node 4 (user equipment). The relay system involved in the embodiment of this application can be single-hop or multi-hop. The single-hop relay system only forwards signals through one relay node, and the multi-hop relay system can transmit signals through multiple relay nodes. Nodes forward signals. The relay system involved in the embodiment of the present application may be various communication systems, for example, it may be long term evolution (long term evolution, LTE)...

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Abstract

This application relates to the field of communication technology, and discloses a resource configuration method and a node. The method includes: the upper node of the first node sends the first configuration information to the first node, and then the first node determines the first node according to the first configuration information. The second resource for communication between the serving subordinate node and the first node, the second resource determined in this way can make the access link of the first node and the DMRS port of the backhaul link of the first node realize orthogonality , thereby improving link performance.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a resource allocation method and a node. Background technique [0002] With the continuous development of mobile communication technology, spectrum resources have become extremely tight. The unallocated spectrum that can be used for wireless communication is very limited. In order to improve frequency utilization, future base station deployment will be more intensive. Dense base station deployment will require the backhaul link of the base station to have corresponding transmission capabilities. However, in many scenarios, for example, the deployment cost of optical fiber is very high, which will increase the deployment cost of future wireless base stations. For this reason, adopting a wireless relay (relay, RN) technology can well solve the problem of deploying dense base stations in the future. [0003] The relay node establishes a backhaul connection w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04W72/04H04W72/08
CPCH04L5/0048H04L5/0062H04W72/0446H04W72/20H04W72/04H04B7/15542H04L5/0051H04W72/046H04L5/0053H04W72/54H04B7/0697H04L5/0025H04W84/047H04W72/23H04W72/29H04W72/541
Inventor 刘凤威陈磊
Owner HUAWEI TECH CO LTD
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