Abstract
The base station transmits the strip signal using a self-supported modulation scheme and strip signal segment that facilitates fast channel estimation. The strip segment occupies one OFDM symbol time interval and uses a set of downlink tones, some of which are left unused, for example half, to facilitate SIR measurements. The strip segments are advantageously timed to correspond to uplink access intervals to which connected wireless terminals typically do not transmit uplink signals. Wireless terminals, including multiple antennas, antenna duplex modules, a single RF receive chain and a single RF transmitter chain, and switch antenna coefficient combinations based on strip signal segment timing, are used for coupling. The wireless terminal determines independent downlink channel quality measurements, e.g., SNR and / or SIR, for each strip signal segment and ongoing non-strip signaling. The wireless terminal compares the channel quality measurements and selects the antenna coefficient combination to be used during the non-strip signaling interval to obtain very good antenna gain.
Antenna element, antenna gain factor, modulation method, signal quality measurement, time period
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| CN101263669A | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| CN101263669B | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| EP1856816A1 | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| JP2008533856A | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| JP4748691B2 | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| KR20070112403A | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| TW200703975A | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| US2006205356A1 | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| US7826807B2 | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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| WO2006096870A1 | 5G | 06/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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Technologies
Resource configuration Signal Processing
Product
Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Measurement
Claim
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SUMMARY
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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.