Connected mode for low-end radio
First Claim
1. A method, comprising:
- transmitting a broadcast polling message from an advertising device advertising availability for connection for subsequent data transfer, the broadcast polling message including a polling role switching indicator;
receiving from a user device a response message on the initialization channel including an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the polling device, and containing a response polling role switching indicator;
enabling the advertising and user devices to establish a wireless short-range connection on the indicated data channel, wherein polling roles of the advertising and user devices are coordinated in accordance with the response polling role switching indicator, the device in the polling role being enabled to periodically transmit polling messages to the polled device, allowing power to be conserved in the polling device.
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Accused Products
Abstract
The present invention relates to systems and methods for a implementing an optimized low-end radio communication protocol, wherein the communication link is flexible and the power consumption characteristics are optimized. One facet of the system'"'"'s flexibility relates to the system'"'"'s ability to negotiate device control roles associated with a polling communication link. Also, once the device control roles are in place and the communication link is established, the system selectively implements a number of polling protocols for a multitude of applications that need a low power consumption. In some embodiments the system maintains a communication link with a reduced frequency polling protocol. This type of communication link maintains efficient power consumption characteristics, as well as, connection times that are faster than establishing a communication link between disconnected devices.
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Citations
68 Claims
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1. A method, comprising:
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transmitting a broadcast polling message from an advertising device advertising availability for connection for subsequent data transfer, the broadcast polling message including a polling role switching indicator; receiving from a user device a response message on the initialization channel including an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the polling device, and containing a response polling role switching indicator; enabling the advertising and user devices to establish a wireless short-range connection on the indicated data channel, wherein polling roles of the advertising and user devices are coordinated in accordance with the response polling role switching indicator, the device in the polling role being enabled to periodically transmit polling messages to the polled device, allowing power to be conserved in the polling device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method, comprising:
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transmitting polling messages on an initialization channel to at least one polled device according to a general polling mode and a request to the at least one polled device to enter a low activity polling mode; receiving a response message from the at least one polled device on the initialization channel, containing a response to the low activity mode request and an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the polling device; entering a low activity polling mode, wherein the low activity polling mode starts periodic transmissions of the polling message on the indicated data channel using a time-interval in accordance with parameters in the low activity polling mode request. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method, comprising:
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receiving a broadcast polling message on an initialization channel from an advertising device advertising available data, the received broadcast polling message including a polling role switching indicator indicating polling role switching availability; detecting the state of the polling role switching indicator in the polling message by at least one user device; transmitting a response message from the user device to the advertising device including an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the user device, and a response polling role switching indicator; connecting in a communication link on the indicated data channel for subsequent transfer of data, wherein device polling roles are coordinated in accordance with the response polling role switching indicator, the device in the polling role being enabled to periodically transmit polling messages to the polled device, allowing power to be conserved in the polled device. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A system, comprising:
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an advertising device, wherein said advertising device is configured to transmit a broadcast polling message advertising availability for connection, the broadcast polling message including a polling role switching indicator; a user device configured to transmit a response message on the initialization channel in response to receiving said polling message, said response message including an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the polling device, and containing a response polling role switching indicator; and said advertising and user devices being operative to connect in a communication link for the subsequent transmission of data, wherein their respective polling roles are coordinated in accordance with the response polling role switching indicator, the device in the polling role being enabled to periodically transmit polling messages to the polled device, allowing power to be conserved in the polled device. - View Dependent Claims (26, 27, 28, 29)
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30. A system, comprising:
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a user device configured to receive data from an advertising device on an initialization channel; an advertising device configured to transmit data to the user device on the initialization channel; wherein one of the user and advertising devices assumes a polling device role and the other of said devices assumes a polled device role; said polling device being configured to transmit polling messages to the polled device according to a general polling mode and to transmit a request to the polled device to enter a low activity polling mode and an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the polling device; and said polled device being configured to transmit a response message in response to the receipt of said request from the polling device indicating an acceptance or rejection of the polling device request to enter a low activity polling mode on the indicated data channel, the polling and polled devices thereupon connecting in a communication link; said polling and polled devices being further configured to enter a low activity polling mode on the indicated data channel, upon acceptance thereof by the polled device the low activity polling mode involving the periodic transmission of polling messages by the polling device. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
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38. A system, comprising:
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an advertising device configured to advertise availability of data for subsequent data transfer on an initialization channel; a user device operative to receive advertisements on the initialization channel and request subsequent data transfers, wherein one of the advertising device and the user device assumes a polling device role and the other of the advertising device and the user device assumes a polled device role; the user device receiving a broadcast polling message from the advertising device, wherein said broadcast polling message includes an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the polling device and a polling role switching indicator; the user device detecting the state of the polling role switching indicator in the polling message and transmitting a response message containing a response polling role switching indicator on the initialization channel; and said devices connecting in a communication link for subsequent data transfer on the indicated channel, wherein device polling roles are determined in accordance with the response polling role switching indicator. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. An apparatus, comprising:
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a transmitter and receiver configured to transmit and/or receive messages by short range radio communication; and a processor configured to cause the apparatus to; transmit a broadcast polling message on an initialization channel advertising availability for connection to a user device; receive from any responding user device a response message on the initialization channel including at least an indication of a data channel different from the initialization channel to be used for subsequent communication between the advertising device and the polling device; detect any polling role switching indicator contained in such response message; and establish a wireless short range communication link for the subsequent transfer of data, wherein the polling roles in the communication link are coordinated in accordance with the detected response polling role switching indicator, the device in the polling role being enabled to periodically transmit polling messages to the polled device, allowing power to be conserved in the polling device. - View Dependent Claims (49, 50, 51, 52)
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53. An apparatus, comprising:
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a transmitter and receiver configured to transmit and/or receive messages by short range radio communication; and a processor configured to cause the apparatus to; transmit polling messages on an initialization channel to at least one user device according to a general polling mode; transmit a low activity polling mode request including at least an indication of a data channel different from the initialization channel to be used for subsequent communication to the at least one user device; enter the low activity polling mode on the indicated data channel upon the receipt of a response message from the at least one user device accepting a low activity mode request, the low activity polling mode involving the periodic transmission of polling messages by the polling device. - View Dependent Claims (54, 55, 56, 57, 58, 59)
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60. An apparatus, comprising:
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a transmitter configured to transmit and/or receive messages by short range radio communication; and a processor configured to cause the apparatus to; receive a polling message from an advertising device on an initialization channel; detect in the received message any polling role switching indicator; transmit a response message to the advertising device request including at least an indication of a data channel different from the initialization channel to be used for subsequent communication and containing a response polling role switching indicator; and connect in a communication link for subsequent data transfer with the advertising device on the indicated data channel, wherein the polling role of the communication device in the communication link is determined in accordance with the response polling role switching indicator. - View Dependent Claims (61, 62, 63, 64, 65, 66, 67, 68)
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Specification