System and method for variable beacon timing with wireless devices
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04M-001/00
H04B-001/16
H04B-001/04
H04B-007/185
G08B-005/22
H04Q-001/30
G08C-017/00
H04H-020/71
H04J-003/00
출원번호
US-0265673
(2008-11-05)
등록번호
US-8208973
(2012-06-26)
발명자
/ 주소
Mehta, Kaezad J.
출원인 / 주소
Medtronic Minimed, Inc.
대리인 / 주소
Ingrassia Fisher & Lorenz, P.C.
인용정보
피인용 횟수 :
33인용 특허 :
180
초록▼
Systems and methods for supporting variable beacon timing for a first wireless device and a second wireless device are provided. An exemplary system may include a number of wireless devices configured to wirelessly communicate with one another. The system includes a beacon-transmitting wireless devi
Systems and methods for supporting variable beacon timing for a first wireless device and a second wireless device are provided. An exemplary system may include a number of wireless devices configured to wirelessly communicate with one another. The system includes a beacon-transmitting wireless device and a listening wireless device. The beacon-transmitting wireless device is configured to transmit, during a first operating mode, wireless beacons separated in time by relatively long time intervals. The beacon-transmitting device is also configured to transmit, during a second operating mode, wireless beacons separated in time by relatively short time intervals. The listening wireless device is configured to listen, during the first operating mode, for wireless beacons transmitted by the beacon-transmitting wireless device, and is configured to listen, during the second operating mode, for wireless beacons transmitted by the beacon-transmitting wireless device. The system may have more than two different operating modes, which may be desirable if the number of wireless devices in the system exceeds two.
대표청구항▼
1. A variable beacon timing method for a first wireless device and a second wireless device, the method comprising: periodically transmitting beacons from the first wireless device to the second wireless device at a first rate during a first operating mode;the first wireless device initiating a swit
1. A variable beacon timing method for a first wireless device and a second wireless device, the method comprising: periodically transmitting beacons from the first wireless device to the second wireless device at a first rate during a first operating mode;the first wireless device initiating a switch from the first operating mode to a second operating mode;transmitting a control beacon from the first wireless device to the second wireless device in accordance with the first rate, the control beacon conveying a mode switching command for the second wireless device;thereafter, periodically transmitting beacons from the first wireless device at a second rate during the second operating mode;while operating the first wireless device and the second wireless device in the second operating mode, the first wireless device receiving a control message from the second wireless device, wherein the control message is generated and transmitted by the second wireless device in response to the second wireless device detecting a mode switching event that occurs while operating the first wireless device and the second wireless device in the second operating mode, and wherein the control message conveys a second mode switching command for the first wireless device; andreturning the first wireless device to the first operating mode in response to receiving the control message from the second wireless device. 2. The method of claim 1, wherein the first rate is lower than the second rate. 3. The method of claim 1, wherein the second rate is a multiple of the first rate. 4. The method of claim 1, wherein: the first operating mode represents a power saving mode; andthe second operating mode represents an active communication mode. 5. The method of claim 1, further comprising obtaining a user entry at the first wireless device, wherein the initiating step is responsive to the user entry. 6. The method of claim 1, further comprising the first wireless device receiving a remote mode switching command from a third wireless device, wherein the initiating step is responsive to the remote mode switching command. 7. The method of claim 1, further comprising: after returning the first wireless device to the first operating mode, periodically transmitting beacons from the first wireless device at the first rate. 8. A variable beacon timing method for a first wireless device and a second wireless device, the method comprising: transmitting beacons from the first wireless device to the second wireless device during a first operating mode and in accordance with a first time schedule;the first wireless device receiving a control message from the second wireless device, the control message conveying a mode switching request;thereafter, periodically transmitting beacons from the first wireless device during the second operating mode and in accordance with a second time schedule;while operating the first wireless device and the second wireless device in the second operating mode, the first wireless device receiving a control message from the second wireless device, wherein the control message is generated and transmitted by the second wireless device in response to the second wireless device detecting a mode switching event that occurs while operating the first wireless device and the second wireless device in the second operating mode, and wherein the control message conveys a mode restoring request for the first wireless device; andreturning the first wireless device to the first operating mode in response to receiving the control message from the second wireless device. 9. The method of claim 8, wherein: the first time schedule mandates a first number of transmitted beacons for a unit of time;the second time schedule mandates a second number of transmitted beacons for the unit of time; andthe first number is less than the second number. 10. A variable beacon timing method for a first wireless device and a second wireless device, the method comprising: periodically monitoring for beacons transmitted by the first wireless device at a first rate during a first operating mode, the beacons including a control beacon that conveys a mode switching command for the second wireless device;receiving the control beacon and the mode switching command;in response to the mode switching command, the second wireless device switching from the first operating mode to the second operating mode;thereafter, periodically monitoring for beacons transmitted by the first wireless device at a second rate during the second operating mode;the second wireless device detecting a mode switching event that occurs while operating the second wireless device in the second operating mode;in response to detecting the mode switching event, the second wireless device transmitting a control message that conveys a mode restoring request for the first wireless device;thereafter, returning the second wireless device to the first operating mode; andthereafter, periodically monitoring for beacons transmitted by the first wireless device at the first rate during the first operating mode. 11. The method of claim 10, wherein the first rate is lower than the second rate. 12. The method of claim 10, wherein the second rate is a multiple of the first rate. 13. The method of claim 10, wherein: the first operating mode represents a power saving mode; andthe second operating mode represents an active communication mode. 14. A variable beacon timing method for a first wireless device and a second wireless device, the method comprising: monitoring for beacons transmitted by the first wireless device during a first operating mode and in accordance with a first time schedule;transmitting a control message to the first wireless device, the control message conveying a mode switching request;the second wireless device switching from the first operating mode to the second operating mode;thereafter, monitoring for beacons transmitted by the first wireless device during the second operating mode and in accordance with a second time schedule;the second wireless device detecting a mode switching event that occurs while operating the second wireless device in the second operating mode;in response to detecting the mode switching event, the second wireless device transmitting a second control message that conveys a mode restoring command for the first wireless device;thereafter, returning the second wireless device to the first operating mode; andthereafter, periodically monitoring for beacons transmitted by the first wireless device at the first rate during the first operating mode. 15. The method of claim 14, wherein: the first time schedule mandates a first number of transmitted beacons for a unit of time;the second time schedule mandates a second number of transmitted beacons for the unit of time; andthe first number is less than the second number. 16. A system of wireless devices configured to wirelessly communicate with one another, the system comprising: a beacon-transmitting wireless device configured to transmit, during a first operating mode, wireless beacons separated in time by relatively long time intervals, and configured to transmit, during a second operating mode, wireless beacons separated in time by relatively short time intervals; anda listening wireless device configured to listen, during the first operating mode, for wireless beacons transmitted by the beacon-transmitting wireless device, and configured to listen, during the second operating mode, for wireless beacons transmitted by the beacon-transmitting wireless device;wherein the beacon-transmitting wireless device is configured to initiate switching from the first operating mode to the second operating mode by transmitting a control beacon to the listening wireless device, the control beacon being transmitted by the beacon-transmitting wireless device at a time corresponding to one of the relatively long time intervals; andwherein the listening wireless device is configured to initiate switching from the second operating mode to the first operating mode by detecting a mode switching event that occurs while operating the beacon-transmitting wireless device and the listening wireless device in the second operating mode, and, in response to detecting the mode switching event, transmitting a mode restoring request to the beacon-transmitting wireless device. 17. The system of claim 16, wherein: the first operating mode represents a power saving mode; andthe second operating mode represents an active communication mode.
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이 특허에 인용된 특허 (180)
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