Method, device and base station for reducing same frequency interference

文档序号:864246 发布日期:2021-03-16 浏览:4次 中文

阅读说明:本技术 一种减小同频干扰的方法、装置及基站 (Method, device and base station for reducing same frequency interference ) 是由 金磊 王宏岗 李琦 樊华 于 2018-08-06 设计创作,主要内容包括:本申请实施例提供一种减小同频干扰的方法、装置及基站,所述方法包括:回传基站ReNB接收宿主基站DeNB发送的传播时延,其中,所述传播时延为所述DeNB与所述ReNB之间传播的时延;根据所述传播时延调整所述ReNB发送上行数据以及接收下行数据的定时参数,其中,所述定时参数为所述ReNB相对于所述DeNB的时延。通过DeNB与ReNB之间的传播时延以DeNB为基准,延后调整ReNB接收下行数据的定时,保证ReNB发送下行数据时不会对RUE下行数据的接收产生干扰;提前ReNB发送上行数据的定时,保证ReNB发送上行数据时不会对RUE上行数据的接收产生干扰。(The embodiment of the application provides a method, a device and a base station for reducing co-channel interference, wherein the method comprises the following steps: a backhaul base station (ReNB) receives a propagation delay sent by a host base station (DeNB), wherein the propagation delay is a delay propagated between the DeNB and the ReNB; and adjusting a timing parameter for the ReNB to transmit uplink data and receive downlink data according to the propagation delay, wherein the timing parameter is the delay of the ReNB relative to the DeNB. The method comprises the steps that the DeNB is used as a reference through the propagation delay between the DeNB and the ReNB, the timing of receiving downlink data by the ReNB is adjusted in a delayed mode, and the ReNB is guaranteed not to generate interference on the reception of the RUE downlink data when the ReNB sends the downlink data; the timing of the ReNB for sending the uplink data is advanced, and the ReNB is ensured not to generate interference on the reception of the RUE uplink data when sending the uplink data.)

A method for reducing co-channel interference, comprising:

a backhaul base station (ReNB) receives a propagation delay sent by a host base station (DeNB), wherein the propagation delay is a delay propagated between the DeNB and the ReNB;

and adjusting a timing parameter for the ReNB to transmit uplink data and receive downlink data according to the propagation delay, wherein the timing parameter is the delay of the ReNB relative to the DeNB.

The method of claim 1, wherein the adjusting the timing parameters for the ReNB to transmit uplink data and receive downlink data according to the propagation delay comprises:

and adjusting the timing of the ReNB for receiving the downlink data to a set time value for delaying the DeNB for receiving the downlink data, and adjusting the timing of the ReNB for sending the uplink data to a set time value for advancing the DeNB for sending the uplink data.

The method of claim 2, wherein the set time value is the propagation delay.

The method of claim 1, wherein the propagation delay is determined by:

the DeNB detects the arrival time of a sounding signal SRS sent by receiving user equipment UE to determine a Timing Advance (TA) value, and determines the propagation delay according to the TA value;

or the like, or, alternatively,

and the DeNB determines the propagation delay according to the physical distance between the ReNB and the backhaul UE.

An apparatus for reducing co-channel interference, comprising:

a receiving module, configured to receive a propagation delay sent by a donor base station DeNB, where the propagation delay is a delay propagated between the DeNB and the ReNB;

and an adjusting module, configured to adjust a timing parameter for the ReNB to transmit uplink data and receive downlink data according to the propagation delay, where the timing parameter is a delay of the ReNB with respect to the DeNB.

The apparatus of claim 5, wherein the adjusting module is configured to adjust the timing for the ReNB to receive the downlink data to delay the DeNB from receiving the downlink data by a set time value, and to adjust the timing for the ReNB to transmit the uplink data to advance the DeNB from transmitting the uplink data by the set time value.

The apparatus of claim 6, wherein the set time value is the propagation delay.

The apparatus of claim 5, wherein the propagation delay is determined by:

the DeNB detects the arrival time of a sounding signal SRS sent by receiving user equipment UE to determine a Timing Advance (TA) value, and determines the propagation delay according to the TA value;

or the like, or, alternatively,

and the DeNB determines the propagation delay according to the physical distance between the ReNB and the backhaul UE.

A base station, comprising:

a transceiver, configured to receive a propagation delay sent by a donor base station DeNB, where the propagation delay is a delay propagated between the DeNB and the ReNB;

and the processor is configured to adjust a timing parameter for the ReNB to transmit uplink data and receive downlink data according to the propagation delay, where the timing parameter is a delay of the ReNB relative to the DeNB.

The base station of claim 9, wherein the processor is configured to adjust the timing for the ReNB to receive the downlink data to delay the timing for the DeNB to receive the downlink data by a set time value, and to adjust the timing for the ReNB to transmit the uplink data to advance the timing for the DeNB to transmit the uplink data by the set time value.

The base station of claim 10, wherein the set time value is the propagation delay.

The base station of claim 11, wherein the propagation delay is determined by:

the DeNB detects the arrival time of a sounding signal SRS sent by receiving user equipment UE to determine a Timing Advance (TA) value, and determines the propagation delay according to the TA value;

or the like, or, alternatively,

and the DeNB determines the propagation delay according to the physical distance between the ReNB and the backhaul UE.

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