System and method for enabling softer handover by user equipment in a non-dedicated channel state
AssigneeQUALCOMM Incorporated
InventorSharad Deepak Sambhwani
Life of this patent
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Abstract
One feature provides for an apparatus, system, and method for enabling softer handover by a user equipment in a non-dedicated channel state, such as Cell_FACH state. A user equipment communicates with a base station via a first sector of the base station, and receives a preamble signature partition list. The user equipment determines that a second sector of the base station is available for softer handover, and selects a preamble signature from the preamble signature partition list corresponding to a softer handover configuration associated with the first sector and the second sector. The user equipment may then transmit a softer handover initiation message that includes the preamble signature while in a non-dedicated channel state, such as Cell_FACH.
Claims102
A method of wireless communication operable at a user equipment, the method comprising:
- communicating with a base station via a first sector of the base station;
- receiving a preamble signature partition list;
- determining that a second sector of the base station is available for softer handover;
- selecting a preamble signature from the preamble signature partition list corresponding to a softer handover configuration associated with the first sector and the second sector;
- and
- transmitting a softer handover initiation message including the preamble signature while in a non-dedicated channel state.
A user equipment comprising:
- a communication interface adapted to communicate with a base station via a first sector of the base station;
- and
- a processing circuit communicatively coupled to the communication interface, the processing circuit adapted to
- receive a preamble signature partition list,
- determine that a second sector of the base station is available for softer handover,
- select a preamble signature from the preamble signature partition list corresponding to a softer handover configuration associated with the first sector and the second sector, and
- transmit a softer handover initiation message including the preamble signature while in a non-dedicated channel state.
A user equipment comprising:
- means for communicating with a base station via a first sector of the base station;
- means for receiving a preamble signature partition list;
- means for determining that a second sector of the base station is available for softer handover;
- means for selecting a preamble signature from the preamble signature partition list corresponding to a softer handover configuration associated with the first sector and the second sector;
- and
- means for transmitting a softer handover initiation message including the preamble signature while in a non-dedicated channel state.
A non-transitory processor-readable medium having one or more instructions stored thereon, which when executed by at least one processor causes the processor to:
- communicate with a base station via a first sector of the base station;
- receive a preamble signature partition list;
- determine that a second sector of the base station is available for softer handover;
- select a preamble signature from the preamble signature partition list corresponding to a softer handover configuration associated with the first sector and the second sector;
- and
- transmit a softer handover initiation message including the preamble signature while in a non-dedicated channel state.
A method of wireless communication operable at a base station, the method comprising:
- communicating with a user equipment (UE) via a first sector of the base station;
- broadcasting a preamble signature partition list;
- receiving a softer handover initiation message from the UE that includes a preamble signature;
- and
- identifying a softer handover configuration associated with the first sector and a second sector of the base station from the preamble signature partition list based on the preamble signature received.
A base station comprising:
- a communication interface adapted to communicate with a user equipment (UE) via a first sector of the base station;
- and
- a processing circuit communicatively coupled to the communication interface, the processing circuit adapted to
- broadcast a preamble signature partition list,
- receive a softer handover initiation message from the UE that includes a preamble signature, and
- identify a softer handover configuration associated with the first sector and a second sector of the base station from the preamble signature partition list based on the preamble signature received.
A base station comprising:
- means for communicating with a user equipment (UE) via a first sector of the base station;
- means for broadcasting a preamble signature partition list;
- means for receiving a softer handover initiation message from the UE that includes a preamble signature;
- and
- means for identifying a softer handover configuration associated with the first sector and a second sector of the base station from the preamble signature partition list based on the preamble signature received.
A non-transitory processor-readable medium having one or more instructions stored thereon, which when executed by at least one processor causes the processor to:
- communicate with a user equipment (UE) via a first sector of a base station;
- broadcast a preamble signature partition list;
- receive a softer handover initiation message from the UE that includes a preamble signature;
- and
- identify a softer handover configuration associated with the first sector and a second sector of the base station from the preamble signature partition list based on the preamble signature received.
A method of wireless communication operable at a network node, the method comprising:
- partitioning a preamble signature space into groups, each group corresponding to a sector of a plurality of sectors associated with a base station,
- generating a preamble signature partition list based on the partitioned preamble signature space, wherein at least one of the preamble signatures in the preamble signature partition list corresponds to a softer handover configuration associated with a plurality of sectors of the base station:
- and
- transmitting the preamble signature partition list to the base station.
A network node comprising:
- a communication interface adapted to communicate to a network;
- and
- a processing circuit communicatively coupled to the communication interface, the processing circuit adapted to
- partition a preamble signature space into groups, each group corresponding to a sector of a plurality of sectors associated with a base station,
- generate a preamble signature partition list based on the partitioned preamble signature space, wherein at least one of the preamble signatures in the preamble signature partition list corresponds to a softer handover configuration associated with a plurality of sectors of the base station;
- and
- transmit the preamble signature partition list to the base station.
A network node comprising:
- means for partitioning a preamble signature space into groups, each group corresponding to a sector of a plurality of sectors associated with a base station,
- means for generating a preamble signature partition list based on the partitioned preamble signature space, wherein at least one of the preamble signatures in the preamble signature partition list corresponds to a softer handover configuration associated with a plurality of sectors of the base station;
- and
- means for transmitting the preamble signature partition list to the base station.
A non-transitory processor-readable medium having one or more instructions, which when executed by at least one processor causes the processor to:
- partition a preamble signature space into groups, each group corresponding to a sector of a plurality of sectors associated with a base station,
- generate a preamble signature partition list based on the partitioned preamble signature space, wherein at least one of the preamble signatures in the preamble signature partition list corresponds to a softer handover configuration associated with a plurality of sectors of the base station;
- and
- transmit the preamble signature partition list to the base station.
Dependencies are inferred from the claim text.