A Method of Improving Resource Utilization in Distributed System

A distributed system and utilization rate technology, applied in the field of communication, can solve problems such as waste of resources, and achieve the effect of avoiding interference and saving resources

Inactive Publication Date: 2020-08-28
POTEVIO INFORMATION TECH CO LTD
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  • Claims
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Problems solved by technology

[0004] According to the existing technology, when a transmission point is configured with CSI-RS resources, in order to avoid interference, the adjacent transmission points of the transmission point will perform zero-power transmission at the corresponding resource position, so that the CSI-RS resources of the adjacent transmission points Avoid interference with each other, which will lead to waste of some resources

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  • A Method of Improving Resource Utilization in Distributed System
  • A Method of Improving Resource Utilization in Distributed System
  • A Method of Improving Resource Utilization in Distributed System

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Embodiment Construction

[0016] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and examples.

[0017] The present invention proposes: in a distributed communication system, when each transmission point performs CSI-RS zero-power point configuration, it can partially perform zero-power configuration on the CSI-RS positions of adjacent transmission points, and partially do not perform zero-power configuration. By judging the position of the UE relative to the transmission point and configuring the CSI-RS reasonably, it is possible to avoid interference and save resources.

[0018] In a distributed system, according to the user's signal energy measured by each RRU, the coverage of which RRU the UE belongs to can be known.

[0019] Suppose both UE1 and UE2 belong to the coverage of RRU1, such as figure 2 shown. Two CSI-RS configurations are ...

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Abstract

The present application discloses a method for improving resource utilization in a distributed system, including: when the base station configures the channel state information reference symbol CSI-RS resource of a transmission point, the CSI-RS resource of an adjacent transmission point is partially implemented Zero power configuration, part of the non-zero power configuration method; the base station judges the transmission point to which the UE belongs according to the signal energy of the UE received by the transmission point; the base station judges the UE according to the signal energy of the UE received by the adjacent transmission point The amount of interference from adjacent transmission points; if the interference of adjacent transmission points to the UE is greater than the set threshold, the base station allocates CSI-RS resources for the adjacent transmission points to perform zero-power configuration for the UE; otherwise, allocates the corresponding CSI-RS resources for the UE The CSI-RS resources for non-zero power configuration of neighboring transmission points. By applying the technical solution disclosed in this application, interference can be avoided while saving CSI‑RS resources.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method for improving resource utilization in a distributed system. Background technique [0002] In some distributed communication systems, generally one baseband processing unit (BBU) has multiple remote radio units (RRU). The downlink data of the BBU is sent by multiple RRUs, and the data received by the RRUs are also submitted to the BBU for processing. figure 1 It is a schematic diagram of an existing distributed communication system. [0003] In order to improve the transmission capability of the communication system, large-scale antennas are used for data transmission in 5G, and channel state information reference symbols (CSI-RS) are used for channel measurement in order to save resources. According to the prior art, in LTE multi-antenna transmission, there are 20 patterns for two-port CSI-RS, ten patterns for four-port CSI-RS, and five patterns fo...

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): H04W72/08H04B7/06H04W72/04H04W72/54
CPCH04B7/0626H04W72/0473H04W72/541H04W72/542
Inventor于小红
OwnerPOTEVIO INFORMATION TECH CO LTD