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A communication method and device

A communication method and signal technology, applied in the field of communication, can solve the problem that the sending beam or antenna port is not optimal

Active Publication Date: 2022-05-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this time, the transmit beam or antenna port indicated by the base station for the UE may not be optimal

Method used

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Embodiment Construction

[0118] The embodiments provided by the present invention will be described in detail below with reference to the accompanying drawings. The network architecture and service scenarios described in the embodiments of the present invention are for the purpose of illustrating the technical solutions of the embodiments of the present invention more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of the present invention. The evolution of the architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the present invention are also applicable to similar technical problems.

[0119] figure 1 A schematic diagram of a possible system network of the present application is shown. like figure 1 As shown, at least one terminal 10 communicates with a radio access network (Radio access network, RAN for short). The RAN includes at least one network device 20, and for the sake of clarity,...

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Abstract

The present application provides a communication method and device. The communication method includes: a user equipment receives first indication information from a network device, where the first indication information indicates a first resource; the user equipment determines a second resource, and the second resource and the first resource belong to the The same resource set configured by the network device, the first resource and the second resource are used to transmit the first downlink reference signal; the user equipment receives the second downlink reference signal transmitted through the third antenna port on the third resource signal and / or channel, the third antenna port has a quasi-co-located QCL relationship with the second antenna port on the second resource that transmits the first downlink reference signal. In this solution, the user equipment independently selects the downlink reference signal resource, and uses the antenna port having a QCL relationship with the antenna port corresponding to the self-selected downlink reference signal resource during subsequent information transmission, thereby improving the information receiving performance.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a communication method and device. Background technique [0002] In a fifth generation (5th generation, 5G) mobile communication system, user equipment (User Equipment, UE) may use different receive beams or transmit beams to communicate with the network side. For example, the base station can configure multiple resources for a channel measurement reference signal (Channel State Information Reference Signal, CSI-RS), and the UE can receive CSI-RS through different receiving beams, obtain channel state information after measurement, and feed it back to the base station. The obtained channel state information is for the UE to instruct the UE side to transmit the beam or the antenna port used for transmission. [0003] In the above solution, the base station needs to know the resource corresponding to the receiving beam where the UE obtains the best measurem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04L5/00H04B7/06
CPCH04L5/0048H04B7/0626H04W72/23H04B7/0617H04L5/0053H04W24/10
Inventor 秦熠窦圣跃管鹏
Owner HUAWEI TECH CO LTD