Abstract
Method and apparatus are disclosed for determining a physical uplink power level for transmissions on a physical uplink channel. In one embodiment a random access channel (RACH) uplink message is transmitted. The RACH uplink message includes a RACH message power level and/or a downlink pathloss figure. A downlink message including a power offset value is received. The physical uplink power level is set for transmissions on the physical uplink channel based on the power offset value. In another embodiment a RACH uplink message is transmitted and a downlink message including a relative power offset value is received. The physical uplink power level for transmissions on the physical uplink channel is then set based on the relative power off set value.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
3G | 26/09/2014 | ISLD-201409-028 | INTERDIGITAL INC |
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Yes | Basis Patent |
Specification Information
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Product
Use Cases
Services
Claim
1. A method for determining a physical uplink power level for transmissions on a physical uplink channel, the method comprising:
transmitting a random access channel (RACH) preamble to a NodeB, the RACH preamble associated with a pathloss figure;
receiving a power offset from the NodeB, wherein the power offset is received on a physical control channel;
setting the physical uplink power level for transmissions on the physical uplink channel to the NodeB based on the power offset received on the physical control channel; and
transmitting a RACH uplink signal on the physical uplink channel based on the power offset.
2. The method of claim 1, wherein the RACH preamble comprises at least one of a RACH message power level or the pathloss figure.
3. The method of claim 1, wherein the physical uplink channel is one of a physical uplink control channel or a physical uplink shared channel.
4. The method of claim 1, further comprising:
receiving a broadcast channel message including an enable/disable indication, the enable/disable indication enabling or disabling transmission of the RACH preamble.
5. The method of claim 1, further comprising:
receiving a message stopping the physical uplink channel transmissions.
6. A wireless transmit/receive unit (WTRU) configured to determine a physical uplink power level for transmissions on a physical uplink channel, comprising:
a transmitter configured to transmit a random access channel (RACH) preamble to a NodeB, the RACH preamble associated with a pathloss figure;
a receiver configured to receive a power offset from the NodeB, wherein the power offset is received on a physical control channel;
a processor coupled to the receiver and configured to set the physical uplink power level for transmissions on the physical uplink channel to the NodeB based on the power offset received on the physical control channel; and
the transmitter configured to transmit a RACH uplink signal on the physical uplink channel based on the power offset.
7. The WTRU of claim 6, wherein the RACH preamble comprises at least one of a RACH message power level or the pathloss figure.
8. The WTRU of claim 6, wherein the physical uplink channel is one of a physical uplink control channel or a physical uplink shared channel.
9. The WTRU of claim 6, further comprising:
the receiver configured to receive a broadcast channel message including an enable/disable indication, the enable/disable indication enabling or disabling transmission of the RACH preamble.
10. The WTRU of claim 6, further comprising:
the receiver configured to receive a message stopping the physical uplink channel transmissions.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
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.