Abstract
A wireless transmit/receive unit (WTRU) determines (1) whether the WTRU is transmitting as much scheduled data as allowed by a current Serving_Grant (2) whether the WTRU has enough power to transmit at higher data rate and (3) based on a same power offset as a currently selected E-DCH transport format combination (E-TFC) whether total E-DCH buffer status (TEBS) would require more than predetermined period to be transmitted with the current Serving_Grant.times.a ratio of active processes to a total number of processes. If criteria (1)-(3) are met the WTRU sets the happy bit to unhappy. If MAC-i/is is configured the WTRU evaluates criteria (2) by identifying an E-TFC that has a transport block size at least x bits larger than a transport block size of the currently selected E-TFC and determining whether the identified E-TFC is supported based on a same power offset as the currently selected E-TFC.
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4G | 14/09/2009 | ISLD-200910-006 | INTERDIGITAL INC |
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Claim
A method for setting a happy bit on an enhanced dedicated channel (E-DCH) dedicated physical control channel (E-DPCCH) in a wireless transmit/receive unit (WTRU), the method comprising:
determining whether predetermined criteria are met and setting the happy bit to �unhappy� on a condition that the predetermined criteria are met, wherein when E-DCH improved medium access control (MAC-i/is) is configured the predetermined criteria includes determining whether the WTRU has enough power available to transmit at a higher data rate, and wherein determining whether the WTRU has enough power available to transmit at the higher data rate comprises:
identifying an E-DCH transport format combination (E-TFC) that has a transport block size at least x number of bits larger than a transport block size of a currently selected E-TFC selected for transmission in a same transmission time interval (TTI) as the happy bit; and
determining whether the identified E-TFC is supported based on a same power offset as the currently selected E-TFC.
2. The method of claim 1, wherein the value x is configured by a higher layer.
3. The method of claim 1, wherein the value x further corresponds to one of a minimum MAC segment size, a percentage increase in a size of a current RLC PDU size, a minimum allowed transport block size, or a minimum value of a minimum E-TFC set.
4. The method of claim 1, wherein the value x is a minimum value between a percentage of a size of the currently selected E-TFC and a fixed threshold.
5. The method of claim 1, wherein the value x is a minimum value between a difference in size in bits between an E-TFC that is n indices above the currently selected E-TFC in an E-DCH transport block size table and the currently selected E-TFC, and a fixed threshold.
6. The method of claim 1, wherein x is a predetermined value that corresponds to a segmented RLC PDU size.
7. The method of claim 1, wherein x is a predetermined value and is unrelated to a smallest radio link control (RLC) protocol data unit (PDU) size.
8. A wireless transmit/receive unit (WTRU) configured to set a happy bit on an enhanced dedicated channel (E-DCH) dedicated physical control channel (E-DPCCH), the WTRU comprising:
a transceiver configured to transmit the happy bit on the E-DPCCH; and
a controller configured to determine whether predetermined criteria are met and set the happy bit to �unhappy� on a condition that the determined criteria are met, wherein when E-DCH improved medium access control (MAC-i/is) is configured the predetermined criteria includes whether the WTRU has enough power available to transmit at a higher data rate, and wherein the controller being configured to determine whether the WTRU has enough power available to transmit at the higher data rate comprises the controller being configured to:
identify an E-DCH transport format combination (E-TFC) that has a transport block size at least x number of bits larger than a transport block size of a currently selected E-TFC selected for transmission in a same transmission time interval (TTI) as the happy bit; and
determine whether the identified E-TFC is supported based on a same power offset as the currently selected E-TFC.
9. The WTRU of claim 8, wherein the value x is configured by a higher layer.
10. The WTRU of claim 8, wherein the value x further corresponds to one of a minimum MAC segment size, a minimum radio link control (RLC) protocol data unit (PDU) size, a percentage increase in a size of a current RLC PDU size, a minimum allowed transport block size, or a minimum value of a minimum E-TFC set.
11. The WTRU of claim 8, wherein the value x is a minimum value between a percentage of a size of the currently selected E-TFC and a fixed threshold.
12. The WTRU of claim 8, wherein the value x is a minimum value between a difference in size in bits between an E-TFC that is n indices above the currently selected E-TFC in an E-DCH transport block size table and the currently selected E-TFC, and a fixed threshold.
13. The WTRU of claim 8, wherein x is a predetermined value that corresponds to a segmented RLC PDU size.
14. The WTRU of claim 8, wherein x is a predetermined value and is unrelated to a smallest radio link control (RLC) protocol data unit (PDU) size.
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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.