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Method and apparatus for resource allocation using random access configuration information

專利號(hào)
US11528751B2
公開日期
2022-12-13
申請(qǐng)人
Huawei Technologies Co., Ltd.（CN Shenzhen）
發(fā)明人
Jianqin Liu; Xiang Gao; Yongxing Zhou
IPC分類
H04W4/00; H04W74/08; H04W72/04
技術(shù)領(lǐng)域
indexes,downlink,uplink,ms,in,resource,units,or,random,time
地域： Shenzhen

摘要

This application discloses a communications method, and the method includes: receiving, by a terminal device, first information, where the first information is used to indicate one or more first time units in a random access system frame; and determining, by the terminal device, the one or more first time units based on the first information and a configuration table, where one or more time units in the configuration table are determined based on an uplink-downlink configuration period and a second time unit, the one or more first time units are an optional time domain resource of a random access sequence, and the second time unit is an optional time domain resource of a synchronization channel block. According to the method and the apparatus in this application, the optional time domain resource of the random access sequence can be determined.

說明書

Three patterns (Pattern) shown in FIG. 9 are used as an example. Pattern 1: An SSB and a control channel control resource set (for example, an RMSI CORESET) are located at different moments, and a transmission bandwidth of the SSB and a transmission bandwidth including the control channel control resource set (for example, the RMSI CORESET) overlap. Pattern 2: An SSB and a control channel control resource set (for example, an RMSI CORESET) are located at different moments, and a transmission bandwidth of the SSB and a transmission bandwidth including the control channel control resource set (for example, the RMSI CORESET) do not overlap. Pattern 3: An SSB and a control channel control resource set (for example, an RMSI CORESET) are located at a same moment, and a transmission bandwidth of the SSB and a transmission bandwidth including the control channel control resource set (for example, the RMSI CORESET) do not overlap.

In current NR, for a communication frequency band below 6 GHz, subcarrier spacings corresponding to an SSB and a control channel control resource set are 15 kHz or 30 kHz. For a communication frequency band above 6 GHz, a subcarrier spacing corresponding to an SSB is 120 kHz or 240 kHz, and a subcarrier spacing corresponding to a control channel control resource set may be 60 kHz or 120 kHz.

A subcarrier spacing (subcarrier spacing, SCS) combination that is of an SSB and a control channel control resource set and that is supported by the NR includes: {SSB SCS, CORESET SCS}={15, 15}, {15, 30}, {30, 15}, {30, 30}, {120, 60}, {120, 120}, {240, 60}, {240, 120}} kHz.

權(quán)利要求

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