Abstract
The present invention provides a method for determining uplink transmission power in a time division duplex system. The method may include: determining, by a base station, current uplink and downlink subframe allocation schemes, and obtaining sub-frame mapping information corresponding to the uplink and downlink subframe allocation schemes; Selecting a downlink subframe according to sub-frame mapping information and transmitting a power control TPC command corresponding to an uplink subframe to the terminal; transmitting data by the terminal using the uplink subframe; Before and after the current uplink and downlink subframe allocation scheme is determined, sub-frame mapping information corresponding to the uplink and downlink subframe allocation scheme is obtained, and the sub-frame mapping is performed. Determining a downlink subframe that transmits a TPC command corresponding to the uplink subframe according to the information; Determining power at data transmission using the uplink subframe according to a TPC command received in the downlink frame. The present invention further provides a time division duplex data transmission system and apparatus. Adopting the present invention, by transmitting and receiving the TPC command according to the sub-frame mapping information in the time division duplex system, the uplink power control can be performed accurately and effectively.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | No | Family Member | ||||
Specification Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| WO2009129698A1 | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | Yes | Basis Patent | ||||
| CN101567713A | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | No | Family Member | ||||
| CN101567713B | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | No | Family Member | ||||
| EP2276295A1 | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | Yes | Family Member | ||||
| EP2276295A4 | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | Yes | Family Member | ||||
| EP2276295B1 | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | Yes | Family Member | ||||
| JP2011520335A | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | No | Family Member | ||||
| JP5341173B2 | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | No | Family Member | ||||
| KR20110008256A | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | No | Family Member | ||||
| MX2010011675A | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | No | Family Member | ||||
| US2011267994A1 | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | Yes | Family Member | ||||
| US8526338B2 | 4G | 01/12/2011 | ISLD-201111-008 | CHINA ACADEMY OF TELECOMM TECH | Yes | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
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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.