SHARING UP-LINK RESOURCES IN UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM
The present subject matter discloses a method for sharing a enhanced uplink dedicated channel (E-DCH) resource from amongst a plurality of E-DCH resources on time multiplex basis. In one implementation, the method comprises receiving, from a user equipment (UE), a random access procedure (RAP) request for allocation of the common E-DCH resource from amongst a plurality of common E-DCH resources. The method further includes identifying the common E-DCH resource to be time multiplexed between a plurality of UEs based on the RAP request. The method also includes allocating the identified common E-DCH resource to the UE on a time multiplex basis, wherein the common E-DCH resource is shared among the plurality of UEs.
1 . A method for sharing common enhanced uplink dedicated channel, E-DCH, resources, the method comprising:
receiving, from a user equipment, UE, a random access procedure, RAP request for allocation of an E-DCH resource from amongst a plurality of common E-DCH resources;
identifying the E-DCH resource to be shared on a time multiplex basis amongst a plurality of UEs based on the RAP request; and
allocating the identified E-DCH resource to the UE on a time multiplex basis, wherein the E-DCH resource is shared amongst the UE and one or more UEs from amongst a plurality of UEs, wherein the identifying the E-DCH resource comprises distributing E-DCH resources into a first set of legacy E-DCH resources and a second set of E-DCH resources, wherein the second set of E-DCH resources are time multiplexed.
2 . The method as claimed in claim 1 , wherein the method further comprises receiving, from the UE, a channel quality indication, CQI, in a high speed dedicated physical control channel, HS-DPCCH, on the allocated E-DCH resource, and wherein the CQI is indicative of communication quality of a radio link.
3 . (canceled)
4 . The method as claimed in claim 1 , wherein the method further comprises notifying a pattern of sharing associated with the allocated E-DCH resource to the UE.
5 . The method as claimed in claim 4 , wherein the pattern of sharing the allocated E-DCH resource comprises one or more of a cycle of the E-DCH resource, a duration of the availability of the E-DCH resource during each cycle, and an offset where the transmission in each cycle should start.
6 . The method as claimed in claim 4 , wherein the method further comprises receiving data on the allocated E-DCH resource based on the notified pattern.
7 . The method as claimed in claim 4 , wherein the pattern comprises a time guard between transmissions of each of the plurality of UEs.
8 . A user equipment, UE, comprising:
a UE uplink control module configured to send a random access procedure, RAP, request to a Node B, NB, for allocation of a common enhanced uplink dedicated channel, E-DCH, resource; and
a UE configuration module configured to receive a pattern associated with an allocated E-DCH resource, wherein the allocated E-DCH resource is time multiplexed among a plurality of UEs, wherein E-DCH resources are divided into a first set of legacy E-DCH resources and a second set of E-DCH resources, wherein the second set of E-DCH resources are time multiplexed.
9 . The UE as claimed in claim 8 , wherein the UE uplink control module is further configured to transmit data over the allocated E-DCH resource according to the pattern, and wherein the data is at least one of a channel quality indication, CQI, data and a user traffic data.
10 . The UE as claimed in claim 8 , wherein the UE uplink control module is further configured to transmit CQI in a high speed dedicated physical control channel, HS-DPCCH, over the allocated E-DCH resource, and wherein the allocated E-DCH resource only includes an enhanced uplink dedicated channel radio network temporary identifier, E-RNTI.
11 . The UE as claimed in claim 8 , wherein the UE uplink control module is further configured to send a RAP request to a Node B, NB, for allocation of another legacy E-DCH resource.
12 . The UE ( 104 ) as claimed in claim 8 , wherein the UE uplink control module is further configured to transmit data in parallel over the time multiplexed allocated E-DCH resource and another legacy E-DCH resource from the first set.
13 . The UE as claimed in claim 8 , wherein the UE uplink control module is further configured to transmit data in one of overlap mode and compact mode.
14 . The UE as claimed in claim 10 , wherein the UE uplink control module is further configured to transmit high speed downlink shared channel radio network temporary identifier, H-RNTI, in the HS-DPCCH.
15 . A Node B, NB, for sharing common enhanced uplink dedicated channel, E-DCH, resources, the NB comprising:
a resource allocation module configured to:
receive, from a user equipment, UE, a random access procedure, RAP, request for allocation of an E-DCH resource from amongst a plurality of common E-DCH resources;
identify the E-DCH resource to be shared on a time multiplex basis amongst a plurality of UEs based on the RAP request; and
allocate the identified E-DCH resource to the UE on a time multiplex basis, wherein the E-DCH resource is shared amongst the UE and one or more UEs from amongst a plurality of UEs, wherein the resource allocation module is further configured distribute E-DCH resources into a first set of legacy E-DCH resources and a second set of E-DCH resources to identify the E-DCH resource, wherein the second set of E-DCH resources are time multiplexed.
16 . The NB as claimed in claim 15 , wherein the resource allocation module is further configured to receive, from the UE, a channel quality indication, (CQI) in a high speed dedicated physical control channel (HS-DPCCH) on the allocated E-DCH resource, and wherein the CQI is indicative of communication quality of a radio link.
17 . (canceled)
18 . The NB as claimed in claim 15 , wherein the NB further comprises a sharing pattern control module, coupled to the resource allocation module ( 114 ), configured to notify a pattern of sharing associated with the allocated E-DCH resource to the UE, and wherein the pattern of sharing comprises one or more of a cycle of the E-DCH resource, a duration of the availability of the E-DCH resource during each cycle, and an offset where the transmission in each cycle should start.
19 . The NB as claimed in claim 18 , wherein the resource allocation module is further configured to receive CQI data over the allocated E-DCH resource according to the pattern, and wherein the allocated E-DCH resource only includes an enhanced uplink dedicated channel radio network temporary identifier, E-RNTI.
20 . A computer-readable medium having embodied thereon a computer program for executing a method comprising:
identifying a plurality of user equipments, UEs, for sharing an enhanced dedicated channel, E-DCH, resource, wherein the sharing is done on time multiplexing basis;
determining a pattern of sharing associated with the E-DCH resource, wherein the pattern comprises one or more of a cycle of the E-DCH resource, a duration of the availability of the E-DCH resource during each cycle, and a offset where the transmission in each cycle should start; and
notifying the pattern of sharing to the plurality of UEs sharing the E-DCH resource.