Patent ID: 8666440
Filing Date: 2014-03-04
Classification: H04L,H04W

Abstract:
1. A signal transmission method, comprising: determining, by a base station, a special Transmission Time Interval, TTI, over a downlink carrier, wherein the special TTI comprises a corresponding duration of time in which a first type of mobile terminal transmits an uplink Sound Reference Signal to the base station, and the first type of mobile terminal is a mobile terminal transmitting the uplink Sound Reference Signal to the base station in the special TTI; and transmitting, by the base station, a first control signal in a first duration of time in the special TTI to make a second type of mobile terminal judge that the base station transmits no downlink signal in the remaining duration of time in the special TTI, wherein the second type of mobile terminal is a mobile terminal transmitting no uplink Sound Reference Signal to the base station in the special TTI.