用于避免通信网络中的隐藏节点干扰的方法和装置

Method and device for avoiding interference of hidden node in communication network

Abstract

本发明涉及一种在免许可信道工作的通信网络的用户设备中用于避免隐藏节点干扰的方法和装置,该方法包括:接收来自服务节点的请求发送信令,其包括服务节点准备占据免许可信道的时间段和免许可信道的标识;根据标识识别附近的使用免许可信道的第一基站;当附近存在至少一个第一基站并且其不是服务节点时,通过许可信道向第一基站发送忙碌信令,忙碌信令请求第一基站在时间段内暂停至用户设备的数据传输;向服务节点发送允许发送信令,其请求服务节点在时间段内通过免许可信道实施至用户设备的数据传输。此外,本发明还涉及一种在通信网络的服务节点中避免隐藏节点干扰的方法和装置,以及一种在通信网络的第一基站中避免隐藏节点干扰的方法。
The invention relates to a method and device for avoiding interference of a hidden node in UE, which works in a license-free channel, of the communication network. The method comprises that a request sending signaling is received from a service node, and the request sending signaling comprises an identification of the license-free channel as well as a time period in which a service node is prepared to occupy the license-free channel; according to the identification, first base stations, used nearby, of the license-free channel are identified; if at least one base station exists nearby and is not the service node, a busy signaling is sent to the first base stations via a licensed channel, and asks the first base stations to pause data transmission to the UE in the time period; and a sending allowed signaling is sent to the service node, and asks the service node to transmit data of the UE in the time period in the license-free channel. The invention also relates to a method and device for avoiding interference of the hidden node in the service node of the communication network as well as a method for avoiding interference of the hidden node in the first base station of the communication network.

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