Patent ID: 8045988
Filing Date: 2011-10-25
Classification: H04B,H04L,H04W

Abstract:
1. A wireless communication apparatus, comprising: a plurality of antenna groups, each antenna group corresponding to a sector of a cell; a memory that stores a plurality of pilot pattern indicators each corresponding to a group of a plurality of pilot symbols and corresponding to one or more of the plurality of antenna groups; and a circuit coupled with the plurality of antenna groups that determines whether a wireless communication device is in handoff, and selects a pilot pattern indicator of the plurality of pilot pattern indicators to be transmitted to a the wireless communication device based upon whether the wireless communication device is in the handoff, wherein the selected pilot pattern indicator is indicative of the wireless communication device being in the handoff; and wherein a same pilot pattern indicator is transmitted to different wireless communication devices in the handoff at a boundary of adjacent sectors of the cell.