Method for transmitting and receiving a group message in wireless communication system and device therefor
First Claim
1. A method for receiving a group message performed by a user equipment (UE) in a wireless communication system, the method comprising:
- calculating a group specific paging occasion for the UE using a group identity, wherein the UE belongs to a group, has its own specific paging occasion and the calculated group specific paging occasion;
receiving, from a network node, a paging message on the group specific paging occasion to receive a group message;
receiving, from the network node, a system information message when the paging message includes a group message indication, wherein the system information message includes assistance information for identifying a group to which the group message is transmitted and scheduling information for scheduling the group message; and
receiving, from the network node, the group message based on the scheduling information, when the group message for the group to which the UE belongs is transmitted based on the assistance information.
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Abstract
A method for transmitting and receiving a group messaging in a wireless communication system and an apparatus for the same is disclosed. Particularly, the method for receiving a group message performed by a user equipment (UE) in a wireless communication system include receiving assistance information indicating whether a paging message is transmitted for each UE group from a network node, receiving the paging message from the network node on a paging occasion of the UE, when the transmission of the paging message for a group to which the UE is belonged in indicated by the assistance information, and receiving the group message, when a group message transmission for the group to which the UE is belonged is activated by the paging message.
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Citations
6 Claims
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1. A method for receiving a group message performed by a user equipment (UE) in a wireless communication system, the method comprising:
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calculating a group specific paging occasion for the UE using a group identity, wherein the UE belongs to a group, has its own specific paging occasion and the calculated group specific paging occasion; receiving, from a network node, a paging message on the group specific paging occasion to receive a group message; receiving, from the network node, a system information message when the paging message includes a group message indication, wherein the system information message includes assistance information for identifying a group to which the group message is transmitted and scheduling information for scheduling the group message; and receiving, from the network node, the group message based on the scheduling information, when the group message for the group to which the UE belongs is transmitted based on the assistance information. - View Dependent Claims (2, 3, 4, 5)
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6. A method for transmitting a group message performed by a network node in a wireless communication system, the method comprising:
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receiving, from a network node, a message that requests a group message transmission; transmitting, to a user equipment (UE), a paging message on a group specific paging occasion of the UE, wherein the paging message includes a group message indication; transmitting, to the UE, a system information message, wherein the system information message includes assistance information for identifying a group to which a group message is transmitted and scheduling information for scheduling the group message; and transmitting, to the UE, the group message based on the scheduling information, when the group message for the group to which the UE belongs is transmitted based on the assistance information.
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Specification