Wireless transmitter initiated communication systems
First Claim
1. A transmitter initiated wireless communication system comprising a plurality of peer communication devices configured for sending and receiving signals wirelessly wherein:
- the peer communication devices follow a first channel succession defining a number of communications channels to which the communication devices are tuned at particular times;
a first peer communication device generates a request to send data to a second peer communication device using a first channel in the first channel succession, wherein the first peer communication device generates the request to send data when the first peer communication device is ready to send data;
the second peer communication device receives the request to send data from the first peer communication device and generates a clear to send data message to the first peer communication device using the first channel succession;
the first and second peer communication devices follow a second channel succession to perform data transfer between the first peer communication device and the second peer communication device, wherein the second channel succession is different from the first channel succession; and
after the data transfer between the first peer communication device and the second peer communication device is completed, the first and second peer communication devices return to following the first channel succession.
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Abstract
Wireless communication systems using transmitter initiated communications methods. Several devices in the system listen by following a common frequency hopping sequence. When communication is desired, a transmitting device sends a request to send signal to an addressee; if available, the addressee sends a clear to send signal, and the transmitting device and the addressee then perform communications using a separate frequency hopping sequence. Methods for adding new devices are also included. In an example, a new device uses a discovery frequency hopping sequence to ping a number of frequencies until the common frequency hopping sequence is discovered. In another example, a new device listens on a single frequency forming part of the common frequency hopping sequence until the common frequency hopping sequence overlaps the single frequency.
80 Citations
19 Claims
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1. A transmitter initiated wireless communication system comprising a plurality of peer communication devices configured for sending and receiving signals wirelessly wherein:
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the peer communication devices follow a first channel succession defining a number of communications channels to which the communication devices are tuned at particular times; a first peer communication device generates a request to send data to a second peer communication device using a first channel in the first channel succession, wherein the first peer communication device generates the request to send data when the first peer communication device is ready to send data; the second peer communication device receives the request to send data from the first peer communication device and generates a clear to send data message to the first peer communication device using the first channel succession; the first and second peer communication devices follow a second channel succession to perform data transfer between the first peer communication device and the second peer communication device, wherein the second channel succession is different from the first channel succession; and after the data transfer between the first peer communication device and the second peer communication device is completed, the first and second peer communication devices return to following the first channel succession. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A transmitter initiated wireless communication system comprising a number of peer devices configured to generate requests to send data when data is ready to send, the devices in the system configured to follow a first channel succession when not transmitting data, wherein, when a first device is prepared to send data, the first device addresses a request to send data to a second device using the first channel succession;
- the second device sends a clear to send data message using the first channel succession to the first device in response to the request to send data, the clear to send data message including a second channel succession determined by the second device for transmitting data; and
the first and second devices follow the second channel succession when transmitting data, the second channel succession being different from the first channel succession.
- the second device sends a clear to send data message using the first channel succession to the first device in response to the request to send data, the clear to send data message including a second channel succession determined by the second device for transmitting data; and
Specification