Method for transmitting and receiving message of short message broadcasting services in telecommunication system
First Claim
Patent Images
1. A method for transmitting and receiving short message broadcast services in a communication system comprising:
- transmitting a broadcast indicator using a common control channel, the broadcast indicator indicating a transmission of a broadcast message on a paging channel or a broadcast channel, wherein the common control channel is a different channel from the paging channel or the broadcast channel;
receiving at the mobile station, the broadcast indicator through the common control channel and checking a status of the broadcast indicator; and
receiving, at the mobile station, the broadcast message through the paging channel or the broadcast channel during a broadcast cycle if the status of the broadcast indicator received through the common control indicates the transmission of the broadcast message on the paging channel or the broadcast channel.
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Abstract
A method for transmitting and receiving short message broadcast services in a communication system is disclosed. The present invention reduces a battery consumption of a mobile station by additionally using an inserted message field of a broadcast indicator for notifying whether a broadcast message is being transmitted from a base station to the MS, thereby allowing a more efficient short message broadcast service.
55 Citations
43 Claims
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1. A method for transmitting and receiving short message broadcast services in a communication system comprising:
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transmitting a broadcast indicator using a common control channel, the broadcast indicator indicating a transmission of a broadcast message on a paging channel or a broadcast channel, wherein the common control channel is a different channel from the paging channel or the broadcast channel;
receiving at the mobile station, the broadcast indicator through the common control channel and checking a status of the broadcast indicator; and
receiving, at the mobile station, the broadcast message through the paging channel or the broadcast channel during a broadcast cycle if the status of the broadcast indicator received through the common control indicates the transmission of the broadcast message on the paging channel or the broadcast channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
setting a field to an expanded system parameter message and transmitting said set field to the mobile station, wherein said set field notifies whether said base station provides a broadcast indicator through the common control channel; and
checking, at the mobile station, the status of the broadcast indicator received through the common control channel, if set said field indicates that said base station provides a broadcast indicator on the common control channel.
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9. A method of claim 8, wherein monitoring, at the mobile station, a first slot of a control channel in every broadcast cycle, if said field indicates that said base station does not provide a broadcast indicator.
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10. A method of claim 8, wherein transmitting said set field to the mobile station before transmitting a broadcast message to the mobile station.
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11. A method of claim 8, wherein temporarily stowing said field in a memory device of the mobile station.
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12. A method of claim 1, wherein the mobile station enters an idle state if the broadcast indicator of the common control channel indicates non-transmission of a broadcast message through the paging channel or the broadcast channel.
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13. A method for transmitting and receiving short message broadcast services in a communication system comprising:
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setting a field to an expanded system parameter message and transmitting said set field to a mobile station, wherein said field notifies whether a base station provides a broadcast indicator on a quick paging channel;
transmitting the broadcast indicator through the quick paging channel before transmitting a broadcast message on a paging channel or the broadcast channel to notify whether the base station is transmitting a broadcast message to a mobile station;
receiving and checking, at the mobile station, the status of the broadcast indicator on the quick paging channel, if said set field indicates that the base station provides the broadcast indicator on the quick paging channel; and
receiving, at the mobile station, the broadcast message from said base station when the status of the broadcast indicator on the quick paging channel indicates that said base station is transmitting a broadcast message on the paging channel or the broadcast channel, during a broadcast cycle. - View Dependent Claims (14, 15, 16, 17)
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18. A method for receiving a broadcast message, comprising:
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receiving a broadcast indicator on a first common channel and checking a status of the broadcast indicator on the first common channel; and
receiving a broadcast message on a second common channel from a base station when the status of the broadcast indicator on the first common channel indicates that the base station is transmitting the broadcast message on the second common channel, wherein the broadcast message is received through the second common control channel during a broadcast cycle and wherein the first common channel is a quick paging channel and the second common control channel is a paging channel or a broadcast channel. - View Dependent Claims (19, 20, 21, 22)
receiving an extended system parameters message containing a broadcast indicator supported field; and
checking the status of the broadcast indicator if the broadcast indicator supported field indicates that the base station has provided a broadcast indicator.
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21. The method of claim 20, wherein a first slot of the paging channel or the broadcast channel is continuously monitored if the base station does not provide a broadcast indicator on the quick paging channel.
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22. The method of claim 18, wherein the base station provides the broadcast message indicator on the quick paging channel 100 ms prior to sending the broadcast message on the paging or broadcast channel.
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23. An information slot in a quick paging channel (QPCH), comprising:
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a plurality of paging indicators in the QPCH to indicate that a mobile station operating in an idle state should monitor at least one of a Paging Channel or a Forward Common Control Channel starting in a next slot;
a broadcast indicator in the QPCH to indicate whether a broadcast message is present on at least one of the paging channel or the Forward Common Control Channel; and
a configuration change indicator in the QPCH to indicate that the mobile station operating in the idle state that, after performing an idle handoff, it should monitor at least one of the Paging Channel, the Forward Common Control Channel, or a Broadcast Control Channel to determine if the mobile station should update stored parameters wherein the broadcast indicator precedes the configuration change indicator in the information slot, and wherein the information slot is sent from a base station to a subscriber unit to indicate whether the base station is transmitting a broadcast message. - View Dependent Claims (24, 25, 26)
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27. A method comprising monitoring broadcast indicators on a Quick Paging Channel if an indicator is equal to “
- 1”
, wherein the indicator indicates that a broadcast indicator is supported in the Quick Paging Cannel; and
the indicator is in a QPCH_BI_SUPPORTED field in an extended system parameter message; andwherein said monitoring broadcast indicators is monitoring slots of the Quick Paging Channel and sad monitoring broadcast indicators on the Quick Paging Channel is performed only if BCAST_INDEX is not equal to “
000”
, andwherein broadcast slots of the Quick Paging Channel are offset from common control channel slots by 100 ms. - View Dependent Claims (28)
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29. A method for sending a broadcast message comprising:
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setting at least one broadcast indicator in a Quick Paging Channel, wherein the broadcast indicator indicates existence of the broadcast message on a common control channel;
transmitting said at least one broadcast indicator from the base station;
setting a first information in an overhead message before transmitting the broadcast indicator, wherein the first information indicates a broadcast slot cycle index of transmitting the broadcast message;
setting a second information in the overhead message, wherein the second information indicates whether or not the broadcast indicator is supported in the quick paging channel; and
transmitting the overhead message through the common control channel. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36)
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37. A method comprising:
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receiving a broadcast indicator on a quick paging channel (QPCH);
if the broadcast indicator indicates existence of a broadcast message, then monitoring a common control channel for reception of the broadcast message, wherein the common control channel is a paging channel or a broadcast channel;
receiving an overhead message through a common channel before receiving the broadcast indicator on the QPCH; and
obtaining a first information and a second information in an overhead message, wherein the first information indicates a broadcast slot cycle index of transmitting the broadcast message and the second information indicates whether or not the at least one broadcast indicator is supported in the quick paging channel. - View Dependent Claims (38, 39, 40, 41, 42, 43)
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Specification