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Uplink information sending method and apparatus, downlink information sending method and apparatus, downlink information receiving method and apparatus and system scheduling method and apparatus

專利號(hào)
US10834714B2
公開(kāi)日期
2020-11-10
申請(qǐng)人
Huawei Technologies Co., Ltd.（CN Shenzhen）
發(fā)明人
Han Zhou; Meng Hua; Xiaolei Tie; Gengshi Wu; Yiling Wu
IPC分類
H04W72/12; H04W72/04
技術(shù)領(lǐng)域
uplink,scheduling,downlink,dci,equipment,ue,sending,user,preset,in
地域： Shenzhen

摘要

An uplink information sending method and apparatus is provided. The method includes obtaining, by user equipment, downlink control information DCI and downlink data, the DCI carries a portion of uplink scheduling information of the user equipment, the uplink information is used to indicate whether the user equipment receives the downlink data correctly, the portion of the uplink scheduling information is specifically indication information excluding a specific parameter of the user equipment, and the specific parameter includes at least one of an uplink modulation and coding scheme MCS or information used to indicate duration for sending the uplink information. The method also includes sending, by the user equipment, the uplink information according to the portion of the uplink scheduling information and the specific parameter, where the specific parameter is a parameter preset in the user equipment or a parameter received by the user equipment from a system message.

說(shuō)明書

Referring to FIG. 33, an uplink information sending method according to another embodiment of the present invention includes the following steps.

3301: User equipment receives downlink data.

3302: The user equipment obtains an effective transmission time of first uplink information, and sends the uplink information according to the effective transmission time, where the first uplink information is used to indicate whether the user equipment receives the downlink data correctly; the effective transmission time includes a quantity of retransmission times of a resource element of the first uplink information or time duration for transmitting the first uplink information; and the effective transmission time is obtained by the user equipment from a mapping of a control parameter of second uplink information, where the control parameter of the second uplink information includes at least one of a MCS of the second uplink information, a quantity of retransmission times of a resource element of the second uplink information, or a quantity of subcarriers of the second uplink information, and the second uplink information is sent before the first uplink information; or the effective transmission time is obtained by the user equipment from a resource mapping of a PRACH.

Optionally, the method may further include: 3303: The downlink data is a fourth message Msg4 in random access, and the second uplink information is a third message Msg3 in the random access. For the embodiment or optional embodiment corresponding to FIG. 33 in the present embodiments, reference may be made to descriptions about FIG. 29 for understanding, and details are not described herein.

權(quán)利要求

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