Abstract
Methods and apparatus are described. According to a method, a wireless transmit/receive unit (WTRU) acquires a first random access configuration and a second random access configuration, which are different, and performs a first random access procedure using the first random access configuration using first physical resources and a second random access procedure using the second random access configuration using second physical resources. The first random access configuration is for at least initial random access and the second random access configuration is for timing adjustments. The first physical resources are different than the second physical resources. The WTRU receives a first message for the first random access procedure and a second message for the second random access procedure. The first message is an aggregated response message including a plurality of first random access responses and the second message is an aggregated response message including a plurality of second random access responses.
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Claim
1. A wireless transmit/receive unit (WTRU) comprising:
a processor; and
a transceiver,
wherein the processor and the transceiver are configured to acquire a first random access configuration and a second random access configuration, wherein the first random access configuration and the second random access configuration are different,
wherein the processor and the transceiver are further configured to perform a first random access procedure using the first random access configuration using first physical resources and to perform a second random access procedure using the second random access configuration using second physical resources, wherein the first random access configuration is used for at least initial random access and the second random access configuration is used for at least timing adjustments, wherein the first physical resources are different physical resources than the second physical resources, and
wherein the processor and the transceiver are further configured to receive a first message for the first random access procedure and to receive a second message for the second random access procedure, wherein the first message is an aggregated response message including a plurality of first random access responses and the second message is an aggregated response message including a plurality of second random access responses.', 'a processor; and', 'a transceiver,', 'wherein the processor and the transceiver are configured to acquire a first random access configuration and a second random access configuration, wherein the first random access configuration and the second random access configuration are different,', 'wherein the processor and the transceiver are further configured to perform a first random access procedure using the first random access configuration using first physical resources and to perform a second random access procedure using the second random access configuration using second physical resources, wherein the first random access configuration is used for at least initial random access and the second random access configuration is used for at least timing adjustments, wherein the first physical resources are different physical resources than the second physical resources, and', 'wherein the processor and the transceiver are further configured to receive a first message for the first random access procedure and to receive a second message for the second random access procedure, wherein the first message is an aggregated response message including a plurality of first random access responses and the second message is an aggregated response message including a plurality of second random access responses.
2. The WTRU of claim 1, wherein the second random access configuration is further used for periodic random access.
3. The WTRU of claim 1, wherein the processor is further configured to identify one of the first random access responses or second random access responses as being for the WTRU using a code indicated in the one of the random access responses.
4. The WTRU of claim 1, wherein the first random access procedure is further used for handover random access.
5. The WTRU of claim 1, wherein the second random access configuration is further used for power adjustments.
6. The WTRU of claim 1, wherein the first random access configuration includes at least one random access code for use in the first random access procedure and the second random access configuration includes at least one random access code for use in the second random access procedure.
7. The WTRU of claim 1, wherein the second random access procedure is for WTRUs that have been synchronized with a base station for uplink communication.
8. The WTRU of claim 7, wherein the first random access procedure is for WTRUs that have been synchronized with the base station for downlink communication.
9. A method comprising:
acquiring, by a wireless transmit/receive unit (WTRU), a first random access configuration and a second random access configuration, wherein the first random access configuration and the second random access configuration are different;
performing, by the WTRU, a first random access procedure using the first random access configuration using first physical resources;
performing a second random access procedure using the second random access configuration using second physical resources, wherein the first random access configuration is used for at least initial random access and the second random access configuration is used for at least timing adjustments, and wherein the first physical resources are different physical resources than the second physical resources; and
receiving a first message for the first random access procedure and receiving a second message for the second random access procedure, wherein the first message is an aggregated response message including a plurality of first random access responses and the second message is an aggregated response message including a plurality of second random access responses.', 'acquiring, by a wireless transmit/receive unit (WTRU), a first random access configuration and a second random access configuration, wherein the first random access configuration and the second random access configuration are different;', 'performing, by the WTRU, a first random access procedure using the first random access configuration using first physical resources;', 'performing a second random access procedure using the second random access configuration using second physical resources, wherein the first random access configuration is used for at least initial random access and the second random access configuration is used for at least timing adjustments, and wherein the first physical resources are different physical resources than the second physical resources; and', 'receiving a first message for the first random access procedure and receiving a second message for the second random access procedure, wherein the first message is an aggregated response message including a plurality of first random access responses and the second message is an aggregated response message including a plurality of second random access responses
10. The method of claim 9, wherein the second random access configuration is further used for periodic random access
11. The method of claim 9, further comprising identifying, for each of the first message and the second message, one of the first random access responses or second random access responses as being for the WTRU using a code indicated in the one of the random access responses
12. The method of claim 9, wherein the first random access procedure is further used for handover random access
13. The method of claim 9, wherein the second random access configuration is further used for power adjustments
14. The method of claim 9, wherein the first random access configuration includes at least one random access code for use in the first random access procedure and the second random access configuration includes at least one random access code for use in the second random access procedure
15. The method of claim 9, wherein the second random access procedure is for WTRUs that have been synchronized with a base station for uplink communication
16. The method of claim 15, wherein the first random access procedure is for WTRUs that have been synchronized with the base station for downlink communication.']
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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