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Method and apparatus for multi-user overlay transmission (must)

A technology of terminal equipment and network equipment, which is applied in the field of communication, can solve problems such as system performance degradation, difficulty in eliminating interference, and difficulty in detecting other UE signals, so as to achieve the effect of improving system performance

Active Publication Date: 2021-02-26
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, for dynamic MUST pairing, especially when the UE is switched between MUST and non-MUST subframe by subframe, it is difficult for the UE to detect the signals of other UEs paired with it, and then it is difficult to eliminate the signals of other UEs Interference caused, resulting in severe degradation of system performance

Method used

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  • Method and apparatus for multi-user overlay transmission (must)
  • Method and apparatus for multi-user overlay transmission (must)
  • Method and apparatus for multi-user overlay transmission (must)

Examples

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Embodiment Construction

[0021] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the drawings, it should be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein; A more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for exemplary purposes only, and are not intended to limit the protection scope of the present disclosure.

[0022] The term "network device" used herein refers to a base station or other entities or nodes with specific functions in a communication network. "Base Station" (BS) may mean a Node B (NodeB or NB), an Evolved Node B (eNodeB or eNB), a Remote Radio Unit (RRU), a Radio Head (RH), a Remote Radio Head (RRH), a repeater, Or low power nodes such as pico base...

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PUM

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Abstract

Embodiments of the present disclosure relate to communication methods and corresponding network devices and terminal devices. For example, at the side of the network device that supports the downlink multi-user superimposed transmission (MUST) of the first terminal device and the second terminal device, determine a parameter set indicating the resource allocation of the second terminal device, and Broadcast the parameter set in . The first terminal device is closer to the network device than the second terminal device. The parameter set includes: an indication of the spatial layer used for the transmission of the second terminal device in the MUST, an indication of the resource allocation type of the second terminal device, and an indication of the state of resource allocation allocated to the second terminal device , and an indication of the power ratio selected by the second terminal device. It also discloses a corresponding method implemented at the terminal device, as well as a network device and a terminal device capable of realizing the above method.

Description

technical field [0001] Embodiments of the present disclosure generally relate to communication technologies, and more specifically, to a communication method for multi-user overlay transmission and corresponding network devices and terminal devices. Background technique [0002] Currently, for the Long Term Evolution (LTE) system, a Downlink (DL) Multi-User Superposition Transmission (MUST) technology has been proposed. Using this technology, for example, multi-user superimposed transmission in a cell on a Physical Downlink Shared Channel (PDSCH) can be realized in an LTE system. For DL ​​MUST, the 3rd Generation Partnership Project (3GPP) standardization organization has proposed the following three implementations: (1) use the same transmission scheme and the same spatial precoding vector to transmit the superimposed PDSCH; (2) use the same and (3) using the same transmission scheme but different spatial precoding vectors to transmit the superimposed PDSCH. [0003] When...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/11H04L5/00
CPCH04L5/0053
Inventor 武卓王钧沈钢K·肖伯
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD