Abstract
A reception apparatus includes a plurality of antennas for receiving modulation signals of channels in the same frequency band a received signal strength intensity estimation unit for estimating the reception received signal strength intensity of each reception signal transmission path fluctuation estimation units for estimating a transmission path fluctuation of each channel of the reception signal phase difference estimation units for calculating a phase difference of the transmission path fluctuation estimation signal of a predetermined channel of each antenna and outputting it as a phase difference signal and a signal selection unit for selecting and outputting a reception quadrate baseband signal for isolating a signal of each channel from the reception signals and a transmission path fluctuation estimation signal of each channel. Thus by isolating and demodulating a plurality of multiplexed modulated signals received it is possible to improve the data transmission rate.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 15/07/2009 | ISLD-200907-006 | PANASONIC CORP | No | Family Member | ||||
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Specification Information
Specification Information
Technologies
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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S1
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Technologies
Measurement
Product
Use Cases
Wireless communication
Services
Claim
1. A reception apparatus comprising:
a plurality of antennas for receiving respective reception signals formed from modulation signals transmitted in an identical frequency band;
a field electric intensity estimation unit for estimating a reception field electric intensity of each of the reception signals received by the respective antennas, and outputting a reception received signal strength intensity estimation signal of the reception signals;
a transmission path fluctuation estimation unit for outputting a respective transmission path fluctuation estimation signal for each of the antennas, the transmission path fluctuation estimation signal estimating a transmission path fluctuation of respective channels included in each of the respective reception signals;
a phase difference estimation unit for outputting a phase difference signal representing a phase difference between each of the antennas for the respective channels, based on the respective transmission path fluctuation estimation signal for each of the antennas; and
a signal selector for selecting a plurality of reception quadrate baseband signals from the reception signals and selecting the corresponding transmission path fluctuation estimation signals from the reception signals, for isolating signals of the respective channels, based on the plurality of reception quadrate baseband signals of the respective antennas, the transmission path fluctuation estimation signals for the respective antennas, the reception received signal strength intensity estimation signal and the phase difference signal.', 'a plurality of antennas for receiving respective reception signals formed from modulation signals transmitted in an identical frequency band;', 'a field electric intensity estimation unit for estimating a reception field electric intensity of each of the reception signals received by the respective antennas, and outputting a reception received signal strength intensity estimation signal of the reception signals;', 'a transmission path fluctuation estimation unit for outputting a respective transmission path fluctuation estimation signal for each of the antennas, the transmission path fluctuation estimation signal estimating a transmission path fluctuation of respective channels included in each of the respective reception signals;', 'a phase difference estimation unit for outputting a phase difference signal representing a phase difference between each of the antennas for the respective channels, based on the respective transmission path fluctuation estimation signal for each of the antennas; and', 'a signal selector for selecting a plurality of reception quadrate baseband signals from the reception signals and selecting the corresponding transmission path fluctuation estimation signals from the reception signals, for isolating signals of the respective channels, based on the plurality of reception quadrate baseband signals of the respective antennas, the transmission path fluctuation estimation signals for the respective antennas, the reception received signal strength intensity estimation signal and the phase difference signal.
2. A reception apparatus comprising:
a plurality of antennas for receiving respective reception signals formed from modulation signals of a plurality of spread-spectrum communication methods transmitted in an identical frequency band;
a field electric intensity estimation unit for estimating a reception field electric intensity of each of the reception signals received by the respective antennas, and outputting a reception received signal strength intensity estimation signal of the reception signals;
a transmission path fluctuation estimation unit for outputting a respective transmission path fluctuation estimation signal for each of the antennas, the transmission path fluctuation estimation signal estimating a transmission path fluctuation of a modulation signal of the respective spread-spectrum communication methods included in each of the respective reception signals;
a phase difference estimation unit for outputting a phase difference signal representing a phase difference between each of the antennas for the respective spread-spectrum communication methods, based on the respective transmission path fluctuation estimation signal for each of the antennas; and
a signal selector for selecting a plurality of reception quadrate baseband signals from the reception signals and selecting the corresponding transmission path fluctuation estimation signals from the reception signals, for isolating signals of the respective spread-spectrum communication methods from the reception signals, based on the plurality of reception quadrate baseband signals of the respective antennas, the transmission path fluctuation estimation signals for the respective antennas, the reception received signal strength intensity estimation signal and the phase difference signal.', 'a plurality of antennas for receiving respective reception signals formed from modulation signals of a plurality of spread-spectrum communication methods transmitted in an identical frequency band;', 'a field electric intensity estimation unit for estimating a reception field electric intensity of each of the reception signals received by the respective antennas, and outputting a reception received signal strength intensity estimation signal of the reception signals;', 'a transmission path fluctuation estimation unit for outputting a respective transmission path fluctuation estimation signal for each of the antennas, the transmission path fluctuation estimation signal estimating a transmission path fluctuation of a modulation signal of the respective spread-spectrum communication methods included in each of the respective reception signals;', 'a phase difference estimation unit for outputting a phase difference signal representing a phase difference between each of the antennas for the respective spread-spectrum communication methods, based on the respective transmission path fluctuation estimation signal for each of the antennas; and', 'a signal selector for selecting a plurality of reception quadrate baseband signals from the reception signals and selecting the corresponding transmission path fluctuation estimation signals from the reception signals, for isolating signals of the respective spread-spectrum communication methods from the reception signals, based on the plurality of reception quadrate baseband signals of the respective antennas, the transmission path fluctuation estimation signals for the respective antennas, the reception received signal strength intensity estimation signal and the phase difference signal.']
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SUMMARY
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Patent number:US7266167B2
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.