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Transmission and reception point determination method and related device

A technology for transmission, reception, and determination methods, which is applied in the field of communication, and can solve problems such as inability to send SRS, inapplicability to the downlink direction, lack of reciprocity, etc., and achieve the effects of saving CSI resources, improving flexibility, and realizability

Pending Publication Date: 2021-12-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In some scenarios, such as frequency division multiplexing, when the access network device and the terminal device communicate, the uplink and downlink use different frequency bands, and the uplink and downlink do not have reciprocity. The target determined based on the uplink SRS RSRP TRP may not be applicable to the downlink direction; for example, in the carrier aggregation scenario, due to the capability limitation of the terminal equipment, the terminal may not be able to send SRS on the secondary carrier, thus, the access network equipment cannot determine the target TRP according to the SRS RSRP

Method used

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  • Transmission and reception point determination method and related device
  • Transmission and reception point determination method and related device
  • Transmission and reception point determination method and related device

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Embodiment Construction

[0032] The embodiment of this application provides a method for determining TRP.

[0033] The technical solutions provided by the embodiments of the present application can be applied to various communication systems, for example: long term evolution (longterm evolution, LTE) system, fifth generation (5th generation, 5G) mobile communication system, wireless-fidelity (wireless-fidelity, WiFi ) system, a future communication system, or a system integrating multiple communication systems, etc., are not limited in this embodiment of the present application. Among them, 5G can also be called new radio (new radio, NR).

[0034] The technical solution provided by the embodiment of the present application can be applied to various communication scenarios, for example, it can be applied to one or more of the following communication scenarios: enhanced mobile broadband (enhanced mobile broadband, eMBB), ultra-reliable low-latency communication (ultra -reliable low-latency communicatio...

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Abstract

The embodiment of the invention discloses a transmission receiving point determination method. The method provided by the embodiment of the invention comprises the following steps that access network equipment sends a plurality of measurement signals to terminal equipment through a plurality of transmission receiving points (TRPs), each TRP sends different measurement signals to the terminal, for example, a first TRP sends a first measurement signal, a second TRP sends a second measurement signal, and the access network equipment determines a target TRP according to a measurement signal detection result received from the terminal equipment. In some scenes, such as frequency division multiplexing or carrier aggregation, the access network equipment can still accurately determine the target TRP.

Description

technical field [0001] The embodiments of the present application relate to the communication field, and in particular, to a method for determining a transmission receiving point and a related device. Background technique [0002] The access network device can combine multiple transmission reception points (transmission reception point, TRP) as a cell, the cell uses the same broadcast physical cell identifier (PCI), and the terminal device moves from one TRP to another During the TRP, there is no need to perform an inter-cell handover process. When the access network device schedules data, in order to make reasonable use of spectrum resources, the access network device can determine which one or more TRP coverages the terminal device is in, so as to send data to the terminal device using the target TRP in a targeted manner , to achieve the purpose of saving spectrum resources. [0003] The access network device can measure the reference signal received power (RSRP) of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/318H04B17/382
CPCH04B17/318H04B17/382
Inventor 王志红谢波程竹林
Owner HUAWEI TECH CO LTD