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A multi-stage receiver and method for recovering a traffic signal embedded in at least one received signal. The multi-stage receiver includes a plurality of sequential detection stages for processing each received signal and providing successively better estimates of the traffic signal. The multi-st

A multi-stage receiver and method for recovering a traffic signal embedded in at least one received signal. The multi-stage receiver includes a plurality of sequential detection stages for processing each received signal and providing successively better estimates of the traffic signal. The multi-stage receiver includes, for each received signal, a first processing stage and a second processing stage. The multi-stage receiver also includes a final processing stage connected to the second processing stages. Each first processing stage generates a first estimate of the traffic signal from the respective received signal and each second processing stage generates a set of energy values from the respective first estimate of the traffic signal and from the respective received signal. The final processing stage combines the set of energy values from each second processing stage and generates an improved estimate of the traffic signal. By employing multiple stages in the receiver, there is an improvement in successive estimates of the traffic signal.

대표청구항 ▼

A multi-stage receiver and method for recovering a traffic signal embedded in at least one received signal. The multi-stage receiver includes a plurality of sequential detection stages for processing each received signal and providing successively better estimates of the traffic signal. The multi-st

A multi-stage receiver and method for recovering a traffic signal embedded in at least one received signal. The multi-stage receiver includes a plurality of sequential detection stages for processing each received signal and providing successively better estimates of the traffic signal. The multi-stage receiver includes, for each received signal, a first processing stage and a second processing stage. The multi-stage receiver also includes a final processing stage connected to the second processing stages. Each first processing stage generates a first estimate of the traffic signal from the respective received signal and each second processing stage generates a set of energy values from the respective first estimate of the traffic signal and from the respective received signal. The final processing stage combines the set of energy values from each second processing stage and generates an improved estimate of the traffic signal. By employing multiple stages in the receiver, there is an improvement in successive estimates of the traffic signal. s of: selecting said phase modulation to be Quadrature phase shift keying, assigning said control information which indicates raising said transmission power and said control information which indicates lowering said transmission power respectively to a pair of symbols the respective phases of which are π away from each other from among the four symbols, and assigning control information which indicates holding said transmission power of said communication partner and which includes previous control information indicating lowering or holding said transmission power and control information which indicates holding said transmission power of said communication partner and which includes the previous control information indicating raising or holding said transmission power respectively to the remaining two symbols. 7. The control information transmitting method according to claim 5, further comprising the steps of: determining at a receiving side that has received said control information whether said control information previously received is inconsistent with said control information currently received, and performing error correction based on a carrier to interference power ratio at a time when the control information is received. 8. A control information transmitting method for transmitting, to a communication partner, control symbols obtained by assigning control information for controlling transmission power to symbols of phase modulation, so as to control the transmission power of said communication partner, said control information transmitting method comprising the steps of: using "n" band slots having a plurality of rectangular subcarriers for communication with said communication partner, providing "k" subcarriers for transmitting control symbols respectively in the band slots (wherein, n≥k} from among the "n" band slots, and assigning said control symbols one by one to said subcarriers for transmitting the control symbols. 9. The control information transmitting method according to claim 8, further comprising the steps of: respectively assigning said control symbols indicating the same control information to said subcarriers for transmitting the control symbols, and at a receiving side where said control symbols are received, composing the control symbols in accordance with a carrier to interference power ratio of each band slot to decode said control information from said composed control symbols. 10. The control information transmitting method according to claim 8, further comprising the steps of: respectively assigning said control symbols indicating the same control information to said subcarriers for transmitting the control symbols, and at receiving side where said control symbols are received, picking up said control symbols from the band slot having a predetermined carrier to interference power ratio to decode said control information. 11. The control information transmitting method according to claim 8, wherein said control information is multiple value data, and a plurality of said subcarriers for transmitting control symbols are used to transmit the control information compris