Abstract
The invention claims a device having a power control with multiple transmit antennas includes a wireless transmit/receive unit (WTRU) for physical uplink control channel (PUCCH) and a sounding reference signal (SRS) transmission power control method. The PUCCH and SRS power control method comprises selecting multiple input multiple output (MIMO) mode and the PUCCH or SRS transmission power is changed according to the selected MIMO mode. Another power control method is evaluated for a WTRU antenna gain imbalance at least two transmitting antennas (AGI). the AGI based on the reference signal of each transmission antenna is receiving power (RSRP) measurement. after each transmit antenna is based on AGI scaling factor adjustment of the estimated AGI.
Power control for devices having multiple transmit antennas are disclosed including power control methods for Physical Uplink Control Channel (PUCCH) and Sounding Reference Signal (SRS) transmissions for a wireless transmit/receive unit (WTRU). The PUCCH and SRS power control methods include selecting a multiple input multiple output (MIMO) mode and changing the power of the PUCCH or SRS transmission based on the selected MIMO mode. Another power control method estimates an antenna gain imbalance (AGI) for a WTRU having at least two transmit antennas. The AGI is based on measuring a Reference Signal Received Power (RSRP) on each transmit antenna. Each transmit antenna is then scaled by an AGI scaling factor based on the estimated AGI.
Power control for devices having multiple transmit antennas are disclosed including power control methods for Physical Uplink Control Channel (PUCCH) and Sounding Reference Signal (SRS) transmissions for a wireless transmit/receive unit (WTRU). The PUCCH and SRS power control methods include selecting a multiple input multiple output (MIMO) mode and changing the power of the PUCCH or SRS transmission based on the selected MIMO mode. Another power control method estimates an antenna gain imbalance (AGI) for a WTRU having at least two transmit antennas. The AGI is based on measuring a Reference Signal Received Power (RSRP) on each transmit antenna. Each transmit antenna is then scaled by an AGI scaling factor based on the estimated AGI.
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| 4G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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Technologies
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Technologies
Resource configuration Power Control Multiple-Input Multiple-Output(MIMO)/Massive MIMO
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Multi Antenna Communication System
Claim
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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.