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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
US10834714B2
公開日期
2020-11-10
申請人
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.

說明書

In this embodiment, uplink scheduling information carried in DCI is other indication information excluding a specific parameter, and the specific parameter is sent to each UE by using a system message with a lower sending frequency. This can reduce overheads of signaling used to instruct UE to send uplink information. In addition, if multiple UEs are carried in the DCI, uplink scheduling information of each UE is decreased by at least several bits, and overheads of signaling used for uplink scheduling in the DCI can be greatly reduced, so that the DCI may carry more UE scheduling information, and a cell system capacity is improved.

Optionally, on a basis of the embodiment corresponding to FIG. 17, in a first optional embodiment of the uplink information sending method provided in this embodiment of the present invention, the portion of the uplink scheduling information which is carried in the DCI or the specific parameter includes time information, where the time information is used to indicate a time at which the user equipment sends the uplink information; and the time information specifically includes an interval from a preset time point to the time at which the uplink information is sent; or the DCI further carries scheduling information, excluding the time information, of the user equipment and scheduling information of another user equipment, the user equipment and the another user equipment form a user equipment set, and the time information carried in the DCI specifically includes a sequence number of the user equipment in the user equipment set for sending the uplink information after a preset time point.

The preset time point is a parameter received by the user equipment from the DCI or the system message, or a parameter preset in the user equipment.

權(quán)利要求

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