Communication terminal apparatus, base station apparatus and communication method
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsToshiyuki Uehara, Kenichi Miyoshi
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AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsToshiyuki Uehara, Kenichi Miyoshi
Estimating the term…
Complex correlation section 110 complex-multiplies baseband signals obtained by frequency-converting known signals sent from base station apparatuses, which are candidate communication partners, to baseband frequencies by known patterns to distinguish signals of the respective base station apparatuses, despreads the baseband signals and obtains amplitude values. Desired signal power measuring section 111 averages the amplitude values with a predetermined number of symbols, interference signal power measuring section 112 that calculates a desired signal power value by suppressing the interference component separates the interference component by subtracting the desired signal power value from the amplitude values. Division section 113 divides the desired signal by the interference signal, calculates a CIR value and outputs the CIR value to transmission sections 102-1 to 102-n. Transmission sections 102-1 to 102-n carry out processing necessary for radio transmission such as modulation, coding and frequency conversion, etc. and send the signal via antenna 103.
A base station apparatus for use in a radio communication system, in which a communication terminal apparatus selects a communication partner from one of a plurality of base station apparatuses that may be possible communication partners, based on reception qualities of known signals from the plurality of base station apparatuses, and in which the base station apparatus decides, upon a connection request from the communication terminal apparatus, a radio resource assignment and communication method for use in communication with the communication terminal apparatus, based on information representing the reception quality of the known signal transmitted by the base station apparatus, the base station apparatus comprising:
A communication terminal apparatus for use in a radio communication system, in which the communication terminal apparatus selects a communication partner from one of a plurality of base station apparatuses that may be possible communication partners, based on reception qualities of known signals from the plurality of base station apparatuses, and in which a selected base station apparatus decides, upon a connection request from the communication terminal apparatus, a radio resource assignment and communication method for use in communication with the communication terminal apparatus, based on information representing the reception quality of the known signal transmitted by the selected base station apparatus, the communication terminal apparatus comprising:
A communication method comprising:
A communication method comprising:
Dependencies are inferred from the claim text.