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Data transmission method and device

A technology of weighting coefficient and terminal equipment, applied in the field of communication, can solve the problems of waste of available PUSCH resources and affect the uplink throughput rate, and achieve the effect of improving the uplink throughput rate

Active Publication Date: 2021-03-16
SHANGHAI HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this is to occupy the available symbols of the Physical Uplink Share Channel (PUSCH) in the uplink time slot, thereby causing a waste of available resources of the uplink PUSCH and affecting the uplink throughput.

Method used

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  • Data transmission method and device

Examples

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Embodiment Construction

[0039] The embodiment of the present application provides a data transmission method, which is used for avoiding PUCCH to expand time-domain symbols, thereby improving the uplink throughput of PUSCH.

[0040] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may includ...

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Abstract

The embodiment of the invention discloses a data transmission method, which is used for preventing a PUCCH from expanding a time domain symbol so as to improve the uplink throughput rate of a PUSCH. The method provided by the embodiment of the invention comprises the following steps: in a scheduling period, after a base station schedules terminal equipment to be scheduled, the base station acquires a wave beam and wave beam geographic position information of the terminal equipment to be scheduled and receives reference signal power; the base station generates a special-shaped wave beam according to the wave beam geographic position information and the received reference signal power; and finally, the base station receives an uplink acknowledgement / negative acknowledgement (ACK / NACK) fed back by the to-be-scheduled terminal equipment by using the special-shaped beam.

Description

technical field [0001] The present application relates to the communication field, and in particular to a data transmission method and device. Background technique [0002] With the development of communication technology, in the field of next-generation communication (such as 5th generation mobile networks (5G), the Media Access Control (MAC) layer in the communication system uses HAR Transmission request (Hybrid Automatic Repeat reQuest, HARQ) mechanism. That is, after the base station side sends downlink data to the terminal device side each time, the terminal device side feeds back an acknowledgment / negative acknowledgment (Acknowledgment / Negative Acknowledgment, ACK / NACK) to the base station side. The base station The side determines whether the downlink data is sent successfully according to the ACK / NACK fed back by the terminal device side. [0003] In the 5G millimeter wave system, due to the poor coverage of high frequency bands, narrow beams are introduced to impr...

Claims

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Application Information

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IPC IPC(8): H04L5/00H04L1/18H04W72/04H04W72/08
CPCH04L5/0055H04L1/1812H04W72/046H04W72/0446H04W72/542H04L1/18H04W72/04H04L5/00H04W74/08H04W72/54
Inventor 王定伟
Owner SHANGHAI HUAWEI TECH CO LTD
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