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Uplink transmission method, terminal, and network side device

專利號
US11147047B2
公開日期
2021-10-12
申請人
HUAWEI TECHNOLOGIES CO., LTD.(CN Guangdong)
發(fā)明人
Yiqun Wu; Xiuqiang Xu; Yan Chen
IPC分類
H04W72/04; H04L5/00; H04L27/26; H04W72/12
技術領域
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.

說明書

In this embodiment of the present invention, the communications system 100 may be systems using various radio access technologies (radio access technology, RAT), for example, a Code Division Multiple Access (code division multiple access, CDMA) system, a Time Division Multiple Access (time division multiple access, TDMA) system, a Frequency Division Multiple Access (frequency division multiple access, FDMA) system, an orthogonal frequency division multiple access (orthogonal frequencydivision multiple access, OFDMA) system, a single carrier frequency division multiple access (single carrier FDMA, SC-FDMA) system, and another system. The terms “system” and “network” can be interchanged with each other. A radio technology such as Universal Terrestrial Radio Access (universal terrestrial radio access, UTRA) or CDMA2000 may be implemented in the CDMA system. UTRA may include a Wideband CDMA (wideband CDMA, WCDMA) technology and another technology obtained by transforming CDMA. CDMA2000 may cover interim standard (interim standard, IS) 2000 (IS-2000), IS-95, and IS-856. A radio technology such as Global System for Mobile Communications (global system for mobile communication, GSM) may be implemented in the TDMA system. A radio technology such as evolved universal terrestrial radio access (evolved UTRA, E-UTRA), Ultra Mobile Broadband (ultra mobile broadband, UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, or Flash OFDMA may be implemented in the OFDMA system. UTRA is corresponding to UMTS, and E-UTRA is corresponding to an evolved version of UMTS. A new version of UMTS, namely, E-UTRA, is used for 3GPP Long Term Evolution (long term evolution, LTE) and various versions evolved based on LTE.

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