IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0378563
(2003-03-03)
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발명자
/ 주소 |
- Laroia, Rajiv
- Li, Junyi
- Uppala, Venkata
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출원인 / 주소 |
- Flarion Technologies, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
17 인용 특허 :
37 |
초록
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The use of multiple states of mobile communication device operation to allow a single base station to support a relatively large number of mobile nodes is described. Various states require different amounts of communications resources, e.g., bandwidth and/or control signaling. Different numbers of c
The use of multiple states of mobile communication device operation to allow a single base station to support a relatively large number of mobile nodes is described. Various states require different amounts of communications resources, e.g., bandwidth and/or control signaling. Different numbers of control channels are monitored during different states of operation. A mobile node monitors during a first state of operation, e.g., the on-state, a first control channel to detect control signals in segments of the first control channel intended for the mobile node, detects a period of reduced control signaling to said mobile node on said first control channel, and then, in response to detecting a period of reduced control signal signaling to the mobile node, transitions from said first state to a second state of operation. During the second state of operation fewer control channels are monitored and the first control channel is not monitored.
대표청구항
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1. A method of operating a mobile node capable of operating in a plurality of states of operation, comprising the steps of:monitoring, during a first state of operation, a first control channel to detect control signals in segments of the first control channel intended for said mobile node, and to d
1. A method of operating a mobile node capable of operating in a plurality of states of operation, comprising the steps of:monitoring, during a first state of operation, a first control channel to detect control signals in segments of the first control channel intended for said mobile node, and to detect a period of reduced control signaling to said mobile node on said first control channel; and in response to detecting a period of reduced control signal signaling to said mobile node on said first control channel, transitioning from said first state of operation to a second state of operation, wherein transitioning from said first state of operation to the second state of operation includes ceasing to monitor said first control channel; and while in said second state of operation: monitoring a second control channel to detect control signals in segments of the second control channel intended for said mobile node, and to detect a period of reduced control signaling to said mobile node on said second control channel; and in response to detecting a period of reduced control signal signaling to said mobile node on said second control channel, transitioning from said second state of operation to a third state of operation. 2. The method of claim 1,wherein transitioning from said second state of operation to the third state of operation includes ceasing to monitor said second control channel. 3. The method of claim 1, wherein monitoring said first control channel during said first state of operation includes monitoring said first control channel on a continuous basis.4. The method of claim 3, wherein said second control channel is a non-continuous control channel including at least some control segments dedicated to said mobile node.5. The method of claim 4, wherein the only segments of said second control channel which are monitored during said second state of operation are second control channel segments dedicated to said mobile node.6. The method of claim 1, further comprising:monitoring, during said first state of operation, said second control channel and a third control channel in addition to said first control channel. 7. The method of claim 6, further comprising:monitoring, during said second state of operation, said third control channel in addition to said second control channel. 8. The method of claim 7, wherein said second and third control channels are periodic control channels including segments dedicated to a plurality of different mobile nodes, at least one segment being periodically dedicated in each of the second and third communications channels to said mobile node while said mobile node is operating in said second state of operation.9. The method of claim 7, wherein the first control channel is an assignment channel used to transmit data communication resource allocation information.10. The method of claim 9, wherein said second control channel is a paging control channel used to transmit state control information.11. The method of claim 10, wherein said third control channel is another paging control channel used to transit state control information.12. The method of claim 6, wherein said third control channel is a non-continuous control channel including at least some third channel control segments dedicated to said mobile node.13. The method of claim wherein the only segments of said third control channel which are monitored during said third state of operation are third control channel segments dedicated to said mobile node.14. A mobile communications device capable of operating in a plurality of states of operation, comprising:means for monitoring, during a first state of operation, a first control channel to detect control signals in segments of the first control channel intended for said mobile node, and to detect a period of reduced control signaling to said mobile node on said first control channel; means for transitioning from said first state of operation to a second state of operation in response to detecting a period of reduced control signal signaling to said mobile node on said first control channel, wherein transitioning from said first state of operation to the second state of operation includes ceasing to monitor said first control channel; and means for monitoring, during a second state of operation, a second control channel to detect control signals in segments of the second control channel intended for said mobile node, and to detect a period of reduced control signaling to said mobile node on said second control channel; and means for transitioning from said second state of operation to a third state of operation in response to detecting a period of reduced control signal signaling to said mobile node on said second control channel. 15. The device of claim 14,wherein transitioning from said second state of operation to the third state of operation includes ceasing to monitor said second control channel. 16. The device of claim 15, wherein said means for monitoring said first control channel during said first state of operation includes circuitry for monitoring said first control channel on a continuous basis.17. The device of claim 16, wherein said second control channel is a non-continuous control channel including at least some control segments dedicated to said mobile node.18. A communications system comprising:a plurality of mobile nodes, each of the plurality of mobile nodes being capable of operating in one of a plurality of states; a base station for transmitting signals to said plurality of mobile nodes, over first and second control channels; and where at least one of said plurality of mobile nodes includes: i) means for monitoring, during a first state of operation, a first control channel to detect control signals in segments of the first control channel intended for said mobile node, and to detect a period of reduced control signaling to said mobile node on said first control channel; ii) means for transitioning from said first state of operation to a second state of operation in response to detecting a period of reduced control signal signaling to said mobile node on said first control channel, wherein transitioning from said first state of operation to the second state of operation includes ceasing to monitor said first control channel; iii) means for monitoring, during a second state of operations, a second control channel to detect control signals in segments of the second control channel intended for said mobile node, and to detect a period of reduced control signaling to said mobile node on said second control channel; and iv) means for transitioning from said second state of operation to a third state of operation in response to detecting a period of reduced control signal signaling to said mobile node on said second control channel.
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