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A method and device for same-frequency full-duplex scheduling

A technology of co-frequency full-duplex and scheduling method, applied in electrical components, wireless communication and other directions, can solve problems such as affecting data transmission, uplink signal interference to downlink signal, etc., to ensure the transmission quality and overcome the effect of serious interference

Active Publication Date: 2017-09-26
CHINA MOBILE COMM GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The present invention is to overcome the defect that the uplink signal seriously interferes with the downlink signal in the prior art and thus affects data transmission. According to one aspect of the present invention, a co-frequency full-duplex scheduling method is proposed

Method used

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  • A method and device for same-frequency full-duplex scheduling
  • A method and device for same-frequency full-duplex scheduling
  • A method and device for same-frequency full-duplex scheduling

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Embodiment Construction

[0030] Below in conjunction with accompanying drawing, specific embodiment of the present invention is described in detail, but it should be understood that protection scope of the present invention is not limited by specific embodiment.

[0031] Such as Figure 2-3 As shown, the base station has N resources in total, and each resource can transmit uplink and downlink resources at the same time, and U uplink and D downlink users can be scheduled on the N resources (U<=N, D<=N).

[0032] In order to overcome the problem that uplink users occupying the same resource may cause greater interference to downlink users in the prior art, the core idea of ​​the present invention is that the base station first schedules downlink services on all resources, and then continues to use the same resources according to certain criteria. Uplink services are scheduled.

[0033] According to an embodiment of the present invention, the same-frequency full-duplex scheduling method of the present i...

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Abstract

The invention discloses a same-frequency full-duplex scheduling method and device, wherein the method includes: calculating the priority value of downlink users according to a scheduling algorithm, and allocating resources to certain downlink users; Find the uplink user with the sum of the highest priority value on the resource and the determined downlink user, and obtain the sum of the highest priority value; traverse other downlink users on the resource, and select the user with the highest priority among the determined downlink user and other downlink users Uplink and downlink user combinations of the sum of level values. The present invention considers the interference of uplink users to downlink users and according to the proportional fairness principle of downlink and uplink, selects the user combination with the largest sum of uplink and downlink PF values, and effectively overcomes the interference of uplink signals to downlink signals in the same-frequency duplex transmission process. severe interference, ensuring the transmission quality of uplink and downlink data.

Description

technical field [0001] The present invention relates to the field of wireless technology in the communication field, in particular, to a same-frequency full-duplex scheduling method and device. Background technique [0002] In time division duplex (TDD) systems, such as my country's leading communication systems TD-SCDMA and TD-LTE, a wireless frame is divided into 10 subframes, which are used as downlink subframes or uplink subframes. Asymmetric uplink and downlink services are matched by configuring different numbers of downlink subframes and uplink subframes. [0003] With the rapid growth of mobile Internet traffic, the capacity and coverage problems of TDD systems (especially hotspots and indoors) have become increasingly prominent: First, a more flexible uplink and downlink subframe configuration mechanism needs to be designed to match the dynamic characteristics of business uplink and downlink; Further improve the spectral efficiency of the TDD system to enhance netw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/12
CPCH04W72/54H04W72/535
Inventor 韩双锋易芝玲陈亚迷王化磊李琴
Owner CHINA MOBILE COMM GRP CO LTD
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