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CSI processing method and related devices

An information processing method and a technology of channel state information, applied in the field of communication, can solve problems such as the lack of scalability of the system, the occupancy of downlink transmission resources, and the increase of CSI processes

Pending Publication Date: 2018-11-13
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

A CSI process corresponds to an interference measurement assumption condition. When the number of cooperative base stations increases, the interference measurement assumption condition will also increase, resulting in an increase in the CSI process required for measurement reporting, and the system is not scalable.
A CSI process includes a non-zero power channel state information reference signal (Non-Zero Power Channel State Information-Reference Signal, NZP CSI-RS) resource for channel measurement and a zero power channel state information reference signal ( Zero Power Channel State Information-Reference Signal, ZP CSI-RS) resources, in the case of increased interference measurement assumptions, more ZP CSI-RS resources need to be configured, resulting in the occupation of a large number of downlink transmission resources

Method used

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  • CSI processing method and related devices
  • CSI processing method and related devices
  • CSI processing method and related devices

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Embodiment Construction

[0056] The embodiment of the present invention can be applied to a wireless communication system, and the wireless communication system is generally composed of cells, each cell includes a base station (Base Station, BS), and the base station provides communication services for multiple terminal devices. The base station includes a baseband unit (Baseband Unit, BBU) and a remote radio unit (Remote Radio Unit, RRU). BBU and RRU can be placed in different places, for example: RRU is far away and placed in an open area away from high traffic, and BBU is placed in the central computer room. The BBU and RRU can also be placed in the same equipment room. The BBU and the RRU may also be different components under one rack.

[0057]It should be noted that the wireless communication systems mentioned in the embodiments of the present invention include but are not limited to: Narrow Band-Internet of Things (NB-IoT), Global System for Mobile Communications (GSM), Enhanced Data rate for...

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Abstract

Embodiments of the invention disclose a CSI (Channel State Information) processing method and related devices, wherein the method comprises the steps of: configuring at least one CSI reporting configuration information and resource configuration information corresponding to the at least one CSI reporting configuration information by network equipment, wherein one CSI reporting configuration information is corresponding to at least two resource configuration information, one in the at least two resource configuration information is used for interference measurement and comprises CSI-RS (ChannelState Information-Reference Signal) resource groups, and one in the at least two resource confirmation information is used for channel measurement and comprises NZP CSI-RS (Non-Zero Power Channel State Information-Reference Signal) resources, one CSI-RS resource group is corresponding to at least one CSI report; transmitting the at least one CSI reporting configuration information and the resource configuration information corresponding to the at least one CSI reporting configuration information to terminal equipment by the network equipment. Through adoption of the CSI processing method of the invention, a system can have expandability, and occupation of excessive downlink transmission resources can be avoided.

Description

technical field [0001] The present invention relates to the communication field, in particular to a channel state information processing method and device thereof. Background technique [0002] In the multi-base station coordinated multi-point transmission scenario, the network side needs to configure multiple channels and interference measurement resources, and the terminal device side needs to measure and feed back channel state information (Channel State Information, CSI) under one or more interference situations, so that The network side reasonably determines the transmission scheme of the multi-base station coordinated multi-point transmission, the corresponding link adaptive configuration, and the scheduling strategy according to various CSIs. [0003] figure 1 Shown is a schematic diagram of a three-base station CoMP transmission scenario. Transmission Reception Point (Transmission Reception Point, TRP) 1, TRP 2, and TRP 3 are cooperative transmission base stations i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W24/10H04L5/00H04B7/06
CPCH04B7/0626H04L5/0048H04W24/02H04W24/10H04L5/0032H04B7/024H04L5/0057H04B7/06H04L5/00H04W72/54
Inventor 韩玮武露金黄平
Owner HUAWEI TECH CO LTD
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