| 主权项 |
1. A method of operation in an idle mode for Machine To Machine (M2M) communication, comprising:
receiving, by a M2M device in the idle mode, a paging message from a base station, the paging message including an action code, an access type and a resource offset, the action code indicating that the M2M device perform a ranging for a network reentry, the access type indicating a type for the network reentry, the resource offset indicating an offset for an uplink assignment if the access type indicates a dedicated ranging channel allocation, wherein the paging message further includes a group identifier that identifies a group to which the M2M device belongs; receiving, by the M2M device, the uplink assignment based on the resource offset, wherein the resource offset indicates the offset that the M2M device starts to monitor the uplink assignment; and transmitting, by the M2M device, a ranging request message to the base station by using the uplink assignment. |
