| 摘要 |
A base station (BS) ( 110 ) in a wireless network ( 100 ) establishes power levels for transmitting messages acknowledging receipt of packet data from a mobile communications device (MCD) ( 114 ). In one implementation, the BS infers whether the MCD received a given acknowledgement message by considering whether ( 306, 316 ) the next communication from the MCD comprises new packet data, and whether ( 310, 320 ) that data comprises re-transmitted data. The BS adjusts ( 312, 314, 322, 324 ) transmit power level for future acknowledgement messages according to whether the MCD received past acknowledgement messages. In a different implementation, actual/estimated transmit power from a serving base station to a given MCD is averaged ( 404 ), and increased ( 406 ) by a prescribed amount to yield a target level. Whenever the non-serving base station transmits messages acknowledging receipt of packet data from the MCD, the non-serving base station transmits ( 408 ) at the target level. |
