INTERFERENCE MITIGATION FOR DOWNLINK IN A WIRELESS COMMUNICATION SYSTEM

摘要

Techniques for mitigating interference in a wireless communication system are described. In an aspect, pertinent transmission parameters for a served UE may be sent to at least one interfered UE to support interference mitigation. In one design, information for at least one transmission parameter for a data transmission sent by a first cell to a first UE may be transmitted to at least one UE served by a second cell to enable the at least one UE to perform interference mitigation for the data transmission sent by the first cell to the first UE. The information may be transmitted by either the first cell or the second cell. In another aspect, a cell may send transmission parameters for a UE via a pilot. In yet another aspect, scrambling may be performed by a cell at symbol level to enable an interfered UE to distinguish between modulation symbols of desired and interfering transmissions.

主权项

1. A method for wireless communication, comprising:
obtaining at a first user equipment a received signal comprising a first data transmission sent by a first cell to the first user equipment and a second data transmission sent by a second cell to a second user equipment; obtaining information for at least one transmission parameter for the second data transmission; and performing interference mitigation for the second data transmission, based on the information for the at least one transmission parameter and at least one scrambling sequence, to recover the first data transmission sent to the first user equipment.