Patent ID: 9681346
Date: 2017-06-13
CPC Classifications: H04W

Claim:
1. A method for detecting an uplink signal, comprising: detecting, by a micro base station according to configuration information of user equipment, located outside and at an edge of a downlink coverage area of the micro base station, for sending an uplink signal, whether the uplink signal is received in an uplink receive window of a macro base station serving the user equipment, wherein the macro base station and the micro base station have synchronized clock rates, there is a fixed time difference t if it is detected that the uplink signal is not received in the uplink receive window of the macro base station, after the micro base station advances the uplink receive window of the macro base station by a length of at least one cyclic prefix, again detecting, by the micro base station, the uplink signal, and sending the uplink signal to the macro base station.