Uplink grant processing method and associated device

Abstract

The invention discloses an uplink grant processing method and an associated device. The method comprises the following steps: a terminal searches a preset mapping relation set at the mth subframe or the sth subframe, and obtains x main cell group (MCG) uplink grant (UL Grant) issued at the (m-2)th subframe by a main evolution-type base station MeNB corresponding to the subframe number m+2, y supplementary cell group SCG UL Grant issued at the (s-2)th subframe by a supplementary evolution-type base station SeNB corresponding to the subframe number s+2, p MCG UL Grant corresponding to the subframe number m+3, and q SCG UL Grant corresponding to the subframe number s+3; and carrying out scheduling processing on all of the obtained UL Grant at the mth subframe according to the relationship among x, y, p, q and k. The method can improve uplink radio resource utilization rate, improves uplink throughput and reduces time delay.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to an uplink authorization processing method and related equipment. Background technique [0002] Long Term Evolution (LTE) is a long-term evolution of the Universal Mobile Telecommunications System (UMTS) technical standard formulated by The 3rd Generation Partnership Project (3GPP) organization. LTE significantly increases the data transmission rate through technologies such as carrier aggregation (Carrier Aggregation, CA) and multiple input multiple output (Multiple Input Multiple Output, MIMO). In the Release13 version of the LTE protocol, the uplink and downlink data transmission capabilities of the user equipment (User Equipment, UE) are defined respectively. Taking a UE supporting uplink capability level 13 as an example, its uplink data transmission rate can reach 150Mbit / s. [0003] When the eNB sends an uplink authorization UL Grant to the UE in the...

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Problems solved by technology

[0004] In the current related solutions, for the UL Grant issued by the eNB in ​​the nth subframe in the above scenario, when the UE processes the UL Grant in the n+2th subframe, the discarding scheme is usually adopted, that is, the UE directly sends the UL Grant issued by the eNB in ​​the nth subframe. The UL Grant is discarded, but when the n+1 subframe is not fully scheduled (for example, the eNB only sends 1 UL Grant to the UE in the n+1th subframe, theoretically, the UE can process a n subframe UL Grant) , the current scheme of directly discarding all UL Grants of the nth subframe does not fully utilize the processing capability of the UE, resulting in waste of uplink wireless resources and affecting uplink throughput and delay

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