摘要:
The technology in this application provides a method and apparatus for efficiently using common uplink radio resources, e.g. a common uplink enhanced-dedicated physical channel (E-DCH) resource. A UE releases a common E-DCH resource very quickly after a completed transmission. In addition or alternatively, a base station may release a common E-DCH resource configuration from the network side to free up common E-DCH resources for use by other UEs. A low overhead signaling scheme for quickly and effectively releasing of common E-DCH resources between a UE and a base station is also described. For example, existing signaling fields on protocol layer 2 (L2) or layer 1 (L1) may be used. In one preferred example embodiment, signaling fields already in use in a CELL_DCH service state are given a different meaning for UEs in a CELL_FACH service state so that common E-DCH resources are quickly and effectively released.
摘要:
The technology in this application provides a method and apparatus for efficiently using common uplink radio resources, e.g. a common uplink enhanced-dedicated physical channel (E-DCH) resource. A UE releases a common E-DCH resource very quickly after a completed transmission. In addition or alternatively, a base station may release a common E-DCH resource configuration from the network side to free up common E-DCH resources for use by other UEs. A low overhead signaling scheme for quickly and effectively releasing of common E-DCH resources between a UE and a base station is also described. For example, existing signaling fields on protocol layer 2 (L2) or layer 1 (L1) may be used. In one preferred example embodiment, signaling fields already in use in a CELL_DCH service state are given a different meaning for UEs in a CELL_FACH service state so that common E-DCH resources are quickly and effectively released.
摘要:
In a method and a radio base station, the radio base station when receiving a preamble to access one of the E-DCH common resources is adapted to send a NACK even if the default resource for that particular preamble is free. As a result, the UE will monitor the E-AICH and another ‘non-default’ configuration will be assigned. As a consequence, the default configurations will be the last resources to be assigned.
摘要:
A user equipment (UE), a base station and methods for enabling providing fast access to a dedicated uplink (UL) resource between the base station UE for data transmissions, by using a UE identifier. The UE may receive configuration parameters of a set of common UL resources from the base station, transmit a random access request for a common UL resources of said set of common UL resources to said base station, obtain allocation of said common resource of said set from said base station, and transmit a UE identifier to said base station on said common resource wherein the UE identifier indicates a previously used set of configuration parameters for a dedicated resource.
摘要:
The present invention relates to fast random access methods and arrangements for the enhanced uplink dedicated channel of E-UTRAN (Evolved Universal terrestrial radio access network). A user equipment (UE) being in a low activity state sends a random access request comprising a preamble on a physical random access channel (PRACH) to a NodeB. The NodeB receives the request and sends in response to the received random access request a response comprising information associated with detection of the preamble on an acquisition indicator channel (AICH). The response comprises further in an extension of the AICH an indication of an action to be taken by the UE. In an embodiment of the present invention the action is to access the E-DCH and the response comprises configuration parameters to the E-DCH.
摘要:
A user equipment (UE), a base station and methods for enabling providing fast access to a dedicated uplink (UL) resource between the base station and the UE for data transmissions, by using a UE identifier. The UE may receive configuration parameters of a set of common UL resources from the base station, transmit a random access request for a common UL resources of said set of common UL resources to said base station, obtain allocation of said common resource of said set from said base station, and transmit a UE identifier to said base station on said common resource wherein the UE identifier indicates a previously used set of configuration parameters for a dedicated resource.
摘要:
In a method and a radio base station, the radio base station when receiving a preamble to access one of the E-DCH common resources is adapted to send a NACK even if the default resource for that particular preamble is free. As a result, the UE will monitor the E-AICH and another ‘non-default’ configuration will be assigned. As a consequence, the default configurations will be the last resources to be assigned.
摘要:
The present invention relates to fast random access methods and arrangements for the enhanced uplink dedicated channel of E-UTRAN (Evolved Universal terrestrial radio access network). A user equipment (UE) being in a low activity state sends a random access request comprising a preamble on a physical random access channel (PRACH) to a NodeB. The NodeB receives the request and sends in response to the received random access request a response comprising information associated with detection of the preamble on an acquisition indicator channel (AICH). The response comprises further in an extension of the AICH an indication of an action to be taken by the UE. In an embodiment of the present invention the action is to access the E-DCH and the response comprises configuration parameters to the E-DCH.
摘要:
In one aspect of the disclosed teachings, associating a plurality of contention-based uplink grants with a range of uplink resource blocks allows one contention-based uplink grant message to signal the entire plurality of grants. As an example in the LTE context, the signaling load on the PDCCH is reduced by using a single contention-based uplink grant message to signal a plurality of contention-based uplink grants. The message indicates an allocated set of uplink resource blocks and the number of separate uplink resource grants represented by the set is known or signaled, such that user terminals recognize that separate subsets of uplink resource blocks within the set each correspond to a separate contention-based uplink grant. Information included in the contention-based uplink grant message, or otherwise signaled can be used to control the probability at which the user terminals attempt contention-based uplink transmissions and/or to control the MCS used for such transmissions.
摘要:
In one aspect of the disclosed teachings, associating a plurality of contention-based uplink grants with a range of uplink resource blocks allows one contention-based uplink grant message to signal the entire plurality of grants. As an example in the LTE context, the signaling load on the PDCCH is reduced by using a single contention-based uplink grant message to signal a plurality of contention-based uplink grants. The message indicates an allocated set of uplink resource blocks and the number of separate uplink resource grants represented by the set is known or signaled, such that user terminals recognize that separate subsets of uplink resource blocks within the set each correspond to a separate contention-based uplink grant. Information included in the contention-based uplink grant message, or otherwise signaled can be used to control the probability at which the user terminals attempt contention-based uplink transmissions and/or to control the MCS used for such transmissions.