Wireless communication method and system for coordinating paging occasions on a common paging channel
First Claim
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1. In a wireless communication system including a plurality of wireless transmit/receive units (WTRUs), a method of paging a plurality of WTRU users belonging to a paging group, the method comprising:
- (a) activating a point-to-multipoint (PtM) service for the WTRUs within a PtM service user group;
(b) assigning a new temporary user specific identity to each of the WTRUs in response to activating the PtM service to synchronize WTRU specific paging occasions with WTRU user group paging occasions such that each WTRU specific paging occasion occurs at the same time as a corresponding WTRU user group paging occasion;
(c) determining whether a paging occasion is associated with a PtM service or a point-to-point (PtP) service; and
(d) if the paging occasion is determined to be associated with a PtM service and a predetermined maximum number of users associated with the paging occasion is exceeded, generating a plurality of subgroup paging identities, wherein each subgroup paging identity is associated with a particular paging subgroup within the PtM service user group, a particular paging channel and a particular paging occasion.
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Abstract
A method of paging a plurality of users by synchronizing user equipment (UE) specific paging and Point-to-Multipoint (PtM) user group paging to reduce power consumption when the UE is in a discontinuous reception state. The UE identities are defined such that paging occasions and common paging channels are synchronized for multiple users within a PtM user group.
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6 Claims
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1. In a wireless communication system including a plurality of wireless transmit/receive units (WTRUs), a method of paging a plurality of WTRU users belonging to a paging group, the method comprising:
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(a) activating a point-to-multipoint (PtM) service for the WTRUs within a PtM service user group; (b) assigning a new temporary user specific identity to each of the WTRUs in response to activating the PtM service to synchronize WTRU specific paging occasions with WTRU user group paging occasions such that each WTRU specific paging occasion occurs at the same time as a corresponding WTRU user group paging occasion; (c) determining whether a paging occasion is associated with a PtM service or a point-to-point (PtP) service; and (d) if the paging occasion is determined to be associated with a PtM service and a predetermined maximum number of users associated with the paging occasion is exceeded, generating a plurality of subgroup paging identities, wherein each subgroup paging identity is associated with a particular paging subgroup within the PtM service user group, a particular paging channel and a particular paging occasion. - View Dependent Claims (2, 3)
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4. A wireless communication system for paging a plurality of wireless transmit/receive unit (WTRU) users belonging to a paging group, the system comprising:
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(a) means for activating a point-to-multipoint (PtM) service for the WTRUs within a PtM service user group; (b) means for assigning a new temporary user specific identity to each of the WTRUs in response to activating the PtM service to synchronize WTRU specific paging occasions with WTRU user group paging occasions such that each WTRU specific paging occasion occurs at the same time as a corresponding WTRU user group paging occasion; (c) means for determining whether a paging occasion is associated with a PtM service or a point-to-point (PtP) service; and (d) means for generating a plurality of subgroup paging identities if the paging occasion is determined to be associated with a PtM service and a predetermined maximum number of users associated with the paging occasion is exceeded, wherein each subgroup paging identity is associated with a particular paging subgroup within the PtM service user group, a particular paging channel and a particular paging occasion. - View Dependent Claims (5, 6)
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Specification