Patent ID: 6047015
Filing Date: 2000-04-04
Classification: H04B

Abstract:
A mobile radio apparatus comprising a base station and a mobile station, each of which comprises communication means according to a hybrid code division multiple access scheme, including a combination of a direct sequence method and a frequency hopping method as a multiple access scheme, wherein:each of said base station and said mobile station comprises means for transmitting and receiving simultaneously, and means for multiplexing a reverse link signal transmitted from said mobile station to said base station and a forward link signal transmitted from said base station to said mobile station within a same frequency band after selecting a hopping pattern so as to completely avoid overlapping said reverse link signal with said forward link signal at the same time; andsaid mobile station further comprises:means for detecting received power levels at all of a plurality of hopping frequencies of a communication channel after correlation detection; andmeans for controlling a transmission power of a transmission signal at a hopping frequency using the received power level detected at the same hopping frequency.