Patent ID: 6917647
Filing Date: 2005-07-12
Classification: H04L

Abstract:
1. A communication apparatus selectively connectable to a central communication apparatus, comprising: a transmitter that transmits a request signal that request the central communication apparatus to transmit a plurality of first power measurement signals; and a receiver that receives a plurality of first message signals and said plurality of first power measurement signals, transmitted by the central communication apparatus, said plurality of first message signals requesting the communication apparatus to transmit a plurality of second power measurement signals, said plurality of first power measurement signals being transmitted utilizing different carrier frequencies, said transmitter transmitting a plurality of second message signals and said plurality of second power measurement signals to the central communication apparatus after receiving said plurality of first message signals and said plurality of first power measurement signals, said plurality of second message signals confirming that said plurality of first power measurement signals have been received by the communication apparatus, said plurality of second power measurement signals being transmitted utilizing different carrier frequencies.