Patent ID: 8848654
Filing Date: 2014-09-30
Classification: H04W

Abstract:
1. A method of pilot signal transmission within a wireless communications system, comprising: first transmitting, by a first base station, a first signal having a first frequency and a first pilot offset for a first coverage area; second transmitting, by a second base station, a second signal having a second frequency and a second pilot offset for a second coverage area, the second frequency being different from the first frequency, the second pilot offset being different from the first pilot offset; third transmitting, by a pilot antenna, a first indicating pilot signal having the second frequency and the first pilot offset for supporting handoff from the second base station to the first base station, a portion of the second coverage area overlapping with a portion of the first coverage area; and fourth transmitting, by the second base station, a second indicating pilot signal having the first frequency and the second pilot offset for supporting handoff from the first base station to the second base station.