Abstract
A method and apparatus are used to determine an efficient transmit power for point to multipoint (PtM) transmissions by maintaining a database at a base station which specifies which of a plurality of wireless transmit/receive units (WTRUs) are members of each PtM group. The transmit power of each WTRUs downlink dedicated channel is adjusted to the minimum required power necessary and the PtM transmit power for each PtM group is set such that the PtM transmit power of a PtM group is equal to the greatest of a WTRU in the PtM group plus a PtM power offset.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 30/10/2011 | ISLD-201109-021 | INTERDIGITAL INC |
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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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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
| ----- | ----- | ----- | ----- | ----- |
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Technologies
Multiple access
Product
Use Cases
Wireless communication
Services
Claim
1. A wireless transmit/receive unit (WTRU) comprising:
components configured to transmit using at least one uplink common channel;
the components are further configured to derive a physical layer control signal indicating whether the WTRU desires that a power level be increased; and
the components are further configured to access the at least one uplink common channel using a first access service class partition or a second access service class partition,
wherein the at least one uplink common channel is partitioned such that the first access service class partition is associated with transmission over the at least one uplink common channel with the physical layer control signal indicating whether the WTRU desires that the power level be increased and the second access service class partition is associated with transmission over the at least one uplink common channel without the physical layer control signal.', 'components configured to transmit using at least one uplink common channel;', 'the components are further configured to derive a physical layer control signal indicating whether the WTRU desires that a power level be increased; and', 'the components are further configured to access the at least one uplink common channel using a first access service class partition or a second access service class partition,', 'wherein the at least one uplink common channel is partitioned such that the first access service class partition is associated with transmission over the at least one uplink common channel with the physical layer control signal indicating whether the WTRU desires that the power level be increased and the second access service class partition is associated with transmission over the at least one uplink common channel without the physical layer control signal.
2. The WTRU of claim 1 wherein the at least one uplink common channel is associated with a forward access channel (EACH).
3. The WTRU of claim 1 wherein the components are further configured to receive a point to multipoint channel.
4. The WTRU of claim 1 wherein the components are further configured to receive a high speed shared channel.
5. The WTRU of claim 1 wherein the components are further configured in response to having dedicated resources to transmit the physical layer control signal on an uplink dedicated control channel instead of the uplink common channel.
6. A method comprising:
deriving, by a wireless transmit/receive unit (WTRU), a physical layer control signal indicating whether the WTRU desires that a power level be increased; and
transmitting, by the WTRU, at least one uplink common channel using a first access service class partition or a second access service class partition, wherein the at least one uplink common channel is partitioned such that the first access service class partition is associated with transmission over the at least one uplink common channel with the physical layer control signal indicating whether the WTRU desires that the power level be increased and the second access service class partition is associated with transmission over the at least one uplink common channel without the physical layer control signal.', 'deriving, by a wireless transmit/receive unit (WTRU), a physical layer control signal indicating whether the WTRU desires that a power level be increased; and', 'transmitting, by the WTRU, at least one uplink common channel using a first access service class partition or a second access service class partition, wherein the at least one uplink common channel is partitioned such that the first access service class partition is associated with transmission over the at least one uplink common channel with the physical layer control signal indicating whether the WTRU desires that the power level be increased and the second access service class partition is associated with transmission over the at least one uplink common channel without the physical layer control signal.
7. The method of claim 6 wherein the at least one uplink common channel is associated with a forward access channel (FACH).
8. The method of claim 6 further comprising receiving, by the WTRU, a point to multipoint channel.
9. The method of claim 6 further comprising receiving, by the WTRU, a high speed shared channel
10. The method of claim 6 further comprising:
in response to having dedicated resources, transmitting, by the WTRU, the physical layer control signal on an uplink dedicated control channel instead of the uplink common channel.', 'in response to having dedicated resources, transmitting, by the WTRU, the physical layer control signal on an uplink dedicated control channel instead of the uplink common channel.']
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