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Uplink transmission method, terminal, and network side device

專(zhuān)利號(hào)
US11147047B2
公開(kāi)日期
2021-10-12
申請(qǐng)人
HUAWEI TECHNOLOGIES CO., LTD.（CN Guangdong）
發(fā)明人
Yiqun Wu; Xiuqiang Xu; Yan Chen
IPC分類(lèi)
H04W72/04; H04L5/00; H04L27/26; H04W72/12
技術(shù)領(lǐng)域
uplink,terminal,resource,ofdm,signal,frequency,nsymbul,subframe,time,in
地域： Guangdong

摘要

This application provides an uplink transmission method, a terminal, and a network side device. The method includes: storing, by a terminal, an uplink transmission time-frequency resource allocated by a network side device; when the terminal needs to send an uplink signal, determining the to-be-transmitted uplink signal based on a quantity of orthogonal frequency division multiplexing (OFDM) symbols in the uplink transmission time-frequency resource; and sending, by the terminal, the uplink signal to the network side device. During implementation of the uplink transmission method provided in this application, grant free transmission solutions are provided for different uplink transmission time-frequency resources, to effectively improve communication performance.

說(shuō)明書(shū)

bki=i·K+(ns+nk)mod K,i=0,1, . . . ,└N/K┘?1, where

bki is an identifier of a sub-band allocated by the network side device to a terminal k, N represents a quantity of sub-bands, K represents a sub-band interval, ns is the identifier of the OFDM symbol, and nk is an ID of the terminal k.

In another implementation, the ID of the OFDM symbol and the ID of the sub-band are determined by using the following formula:
bki=i·K+(c(8nt+ns)+nk)mod K,i=0,1, . . . ,└N/K┘?1, where

bki is an identifier of a sub-band allocated by the network side device to a terminal k, N represents a quantity of sub-bands, K represents a sub-band interval, ns is the identifier of the OFDM symbol, nk is an ID of the terminal k, nt is a slot number, and c(·) is a pseudo-random sequence whose initial value is a cell ID NIDcell.

An embodiment provides a terminal. The terminal has a function of implementing terminal behavior in the foregoing method design. The terminal may be a D2D (Device-to-Device, device-to-device) terminal, or may be a cellular terminal. The function of the terminal may be implemented by hardware, and the terminal includes a transceiver and a processor. The function of the terminal may alternatively be implemented by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the foregoing function. The module may be software and/or hardware.

According to an aspect, an embodiment provides a terminal, and the terminal includes:

權(quán)利要求

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