Abstract
A method and a wireless transmit/receive unit (WTRU) for multiplexing data for an enhanced dedicated channel (E-DCH) is disclosed. The WTRU receives at least one serving grant and at least one non-scheduled grant wherein the at least one serving grant is a grant for scheduled data transmission and the at least one non-scheduled grant is a grant for non-scheduled data transmission. The WTRU determines supported enhanced dedicated channel transport format combinations (E-TFCs). The WTRU determines an enhanced uplink medium access control (MAC-e) protocol data unit (PDU) payload amount. For each logical channel in order of priority the WTRU multiplexes data from MAC-d flows associated with each logical channel into a MAC-e PDU wherein each MAC-d flow is configured as either a scheduled MAC-d flow or a non-scheduled MAC-d flow wherein on a condition that the MAC-e PDU payload amount is not equal to a supported E-TFC size reducing the amount of data from a scheduled MAC-d flow to multiplex into the MAC-e PDU based on a next smaller E-TFC size relative to the MAC-e PDU payload amount. The WTRU selects an E-TFC for transmission of the MAC-e PDU wherein the selected E-TFC is a smallest E-TFC that supports the MAC-e PDU. The WTRU transmit the MAC-e PDU over the E-DCH processed in accordance with the selected E-TFC.
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Specification Information
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Technologies
Scheduling
Product
Use Cases
Wireless communication
Services
Claim
1. A method for multiplexing data for an enhanced dedicated channel (E-DCH), implemented in a wireless transmit/receive unit (WTRU), the method comprising:
receiving at least one serving grant and at least one non-scheduled grant, wherein the at least one serving grant is a grant for scheduled data transmission and the at least one non-scheduled grant is a grant for non-scheduled data transmission;
determining supported enhanced dedicated channel transport format combinations (E-TFCs);
determining an enhanced uplink medium access control (MAC-e) protocol data unit (PDU) payload amount;
for a logical channel, based on priority, multiplexing data from a medium access control for dedicated channel (MAC-d) flow associated with the logical channel into a MAC-e PDU, wherein on a condition that the MAC-e PDU payload amount is not equal to a supported E-TFC size, multiplexing a reduced amount of data from the MAC-d flow into the MAC-e PDU, wherein the reduced amount of data from the MAC-d flow is based on a next smaller E-TFC size relative to the MAC-e PDU payload amount;
selecting an E-TFC for transmission of the MAC-e PDU, wherein the selected E-TFC is a smallest E-TFC that supports the MAC-e PDU; and
transmitting the MAC-e PDU processed in accordance with the selected E-TFC.', 'receiving at least one serving grant and at least one non-scheduled grant, wherein the at least one serving grant is a grant for scheduled data transmission and the at least one non-scheduled grant is a grant for non-scheduled data transmission;', 'determining supported enhanced dedicated channel transport format combinations (E-TFCs);', 'determining an enhanced uplink medium access control (MAC-e) protocol data unit (PDU) payload amount;', 'for a logical channel, based on priority, multiplexing data from a medium access control for dedicated channel (MAC-d) flow associated with the logical channel into a MAC-e PDU, wherein on a condition that the MAC-e PDU payload amount is not equal to a supported E-TFC size, multiplexing a reduced amount of data from the MAC-d flow into the MAC-e PDU, wherein the reduced amount of data from the MAC-d flow is based on a next smaller E-TFC size relative to the MAC-e PDU payload amount;', 'selecting an E-TFC for transmission of the MAC-e PDU, wherein the selected E-TFC is a smallest E-TFC that supports the MAC-e PDU; and', 'transmitting the MAC-e PDU processed in accordance with the selected E-TFC.
2. The method of claim 1, wherein the supported E-TFCs are determined based on a remaining WTRU transmit power.
3. The method of claim 1, wherein the MAC-e PDU payload amount is based on the minimum of:
a largest supported E-TFC; or
a total amount of data allowed to be transmitted based on the at least one serving grant and the at least one non-scheduled grant.', 'a largest supported E-TFC; or', 'a total amount of data allowed to be transmitted based on the at least one serving grant and the at least one non-scheduled grant.
4. The method of claim 3, wherein the largest supported E-TFC is based on a power offset.
5. The method of claim 4, wherein the power offset is the power offset of a MAC-d flow that allows a highest priority data to be transmitted.
6. The method of claim 1, wherein scheduling information is multiplexed into the MAC-e PDU.
7. The method of claim 1 further comprising receiving the MAC-e PDU at a physical layer and formatting the MAC-e PDU for transmission.
8. The method of claim 1 wherein the MAC-e PDU payload amount is reduced each time data of a MAC-d flow is multiplexed into the MAC-e PDU, wherein the MAC-e PDU payload amount is reduced by the amount of data multiplexed.
9. The method of claim 1 further comprising multiplexing a reduced amount of data from the MAC-d flow on a condition that the MAC-d flow is a scheduled MAC-d flow
10. The method of claim 9 wherein only data from one scheduled MAC-d flow is reduced
11. The method of claim 1 wherein the multiplexing data from a MAC-d flow is performed for each logical channel up to a minimum of:
a total amount of data allowed to be transmitted based on the at least one scheduled grant and the at least one non-scheduled grant;
data available for transmission; or
the MAC-e PDU payload amount.', 'a total amount of data allowed to be transmitted based on the at least one scheduled grant and the at least one non-scheduled grant;', 'data available for transmission; or', 'the MAC-e PDU payload amount
12. The method of claim 11 wherein the total amount of data allowed to be transmitted based on the at least one scheduled grant and the at least one non-scheduled grant and the MAC-e PDU payload amount are reduced each time data of a MAC-d flow is multiplexed into the MAC-e PDU, wherein the reduction is based on the amount of data multiplexed
13. A wireless transmit/receive unit (WTRU) comprising:
circuitry configured to receive at least one serving grant and at least one non-scheduled grant, wherein the at least one serving grant is a grant for scheduled data transmission and the at least one non-scheduled grant is a grant for non-scheduled data transmission;
circuitry configured to determine supported enhanced dedicated channel transport format combinations (E-TFCs);
circuitry configured to determine an enhanced uplink medium access control (MAC-e) protocol data unit (PDU) payload amount;
a multiplexing device configured to, for a logical channel based on priority, multiplex data from a medium access control for dedicated channel (MAC-d) flow associated with the logical channel into a MAC-e PDU, wherein on a condition that the MAC-e PDU payload amount is not equal to a supported E-TFC size, the multiplexing device is configured to multiplex a reduced amount of data from the MAC-d flow into the MAC-e PDU, wherein the reduced amount of data from the MAC-d flow is based on a next smaller E-TFC size relative to the MAC-e PDU payload amount;
an E-TFC selection device configured to select an E-TFC for transmission of the MAC-e PDU, wherein the selected E-TFC is a smallest E-TFC that supports the MAC-e PDU; and
circuitry configured to transmit the MAC-e PDU processed in accordance with the selected E-TFC.', 'circuitry configured to receive at least one serving grant and at least one non-scheduled grant, wherein the at least one serving grant is a grant for scheduled data transmission and the at least one non-scheduled grant is a grant for non-scheduled data transmission;', 'circuitry configured to determine supported enhanced dedicated channel transport format combinations (E-TFCs);', 'circuitry configured to determine an enhanced uplink medium access control (MAC-e) protocol data unit (PDU) payload amount;', 'a multiplexing device configured to, for a logical channel based on priority, multiplex data from a medium access control for dedicated channel (MAC-d) flow associated with the logical channel into a MAC-e PDU, wherein on a condition that the MAC-e PDU payload amount is not equal to a supported E-TFC size, the multiplexing device is configured to multiplex a reduced amount of data from the MAC-d flow into the MAC-e PDU, wherein the reduced amount of data from the MAC-d flow is based on a next smaller E-TFC size relative to the MAC-e PDU payload amount;', 'an E-TFC selection device configured to select an E-TFC for transmission of the MAC-e PDU, wherein the selected E-TFC is a smallest E-TFC that supports the MAC-e PDU; and', 'circuitry configured to transmit the MAC-e PDU processed in accordance with the selected E-TFC
14. The WTRU of claim 13, wherein the supported E-TFCs are determined based on a remaining WTRU transmit power
15. The WTRU of claim 13, wherein the MAC-e PDU payload amount is based on the minimum of:
a largest supported E-TFC; or
a total amount of data allowed to be transmitted based on the at least one serving grant and the at least one non-scheduled grant.', 'a largest supported E-TFC; or', 'a total amount of data allowed to be transmitted based on the at least one serving grant and the at least one non-scheduled grant
16. The WTRU of claim 15, wherein the largest supported E-TFC is based on a power offset.17. The WTRU of claim 16, wherein the power offset is the power offset of a MAC-d flow that allows a highest priority data to be transmitted.18. The WTRU of claim 13, wherein the multiplexing device is configured to multiplex scheduling information into the MAC-e PDU.19. The WTRU of claim 13 further comprising a physical layer configured to receive the MAC-e PDU from the multiplexing device and configured to format the MAC-e PDU for transmission.
20. The WTRU of claim 13 wherein the MAC-e PDU payload amount is reduced each time data of a MAC-d flow is multiplexed into the MAC-e PDU, wherein the MAC-e PDU payload amount is reduced by the amount of data multiplexed.
21. The WTRU of claim 13 wherein the multiplexing device is configured to multiplex a reduced amount of data from the MAC-d flow on a condition that the MAC-d flow is a scheduled MAC-d flow.
22. The WTRU of claim 21 wherein only data from one scheduled MAC-d flow is reduced.
23. The WTRU of claim 13 wherein the multiplexing device is configured to multiplex data for each logical channel up to a minimum of:
a total amount of data allowed to be transmitted based on the at least one scheduled grant and the at least one non-scheduled grant;
data available for transmission; or
the MAC-e PDU payload amount.', 'a total amount of data allowed to be transmitted based on the at least one scheduled grant and the at least one non-scheduled grant;', 'data available for transmission; or', 'the MAC-e PDU payload amount.
24. The WTRU of claim 23 wherein the total amount of data allowed to be transmitted based on the at least one scheduled grant and the at least one non-scheduled grant and the MAC-e PDU payload amount are reduced each time data of a MAC-d flow is multiplexed into the MAC-e PDU, wherein the reduction is based on the amount of data multiplexed.']
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