TRAFFIC COLLISION AVOIDANCE IN WIRELESS COMMUNICATION SYSTEMS
First Claim
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1. A method of avoiding transmission collisions within a wireless sensor system, comprising:
- programming a delay value into each of one or more wireless repeater units;
waiting for said delay value by each of said one or more wireless repeater units before forwarding communications from a base unit to one or more wireless sensor units; and
waiting for said delay value by each of said one or more wireless repeater units before forwarding communications from said one or more wireless sensor units to said base unit.
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Abstract
A low cost, robust, wireless sensor that provides an extended period of operability without maintenance is described. The wireless sensors are configured to communicate with a base unit or repeater. When the sensor unit detects an anomalous ambient condition (e.g., smoke, fire, water, etc.) the sensor communicates with the base unit and provides data regarding the anomalous condition. The sensor unit receives instructions to change operating parameters and/or control external devices.
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Citations
20 Claims
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1. A method of avoiding transmission collisions within a wireless sensor system, comprising:
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programming a delay value into each of one or more wireless repeater units; waiting for said delay value by each of said one or more wireless repeater units before forwarding communications from a base unit to one or more wireless sensor units; and waiting for said delay value by each of said one or more wireless repeater units before forwarding communications from said one or more wireless sensor units to said base unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A wireless repeater unit, comprising:
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a wireless transceiver capable of wirelessly transmitting and receiving information to and from electronic devices located remotely from the wireless repeater unit; a power source for powering operation of the wireless repeater unit; and a controller operatively coupled to the wireless transceiver and the power source and configured to; program a delay value into the wireless repeater unit; cause the wireless repeater unit to wait for said delay value before forwarding communications, via the wireless transceiver, from a base unit to one or more wireless sensor units; and cause the wireless repeater unit to wait for said delay value before forwarding communications, via the wireless transceiver, from said one or more wireless sensor units to said base unit. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method of avoiding transmission collisions within a wireless sensor system, comprising:
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determining at least one delay value for a wireless repeater unit; waiting for a first delay value of the at least one delay value before forwarding communications from a base unit to one or more wireless sensor units via the wireless repeater unit; and waiting for a second delay value of the at least one delay value before forwarding communications from said one or more wireless sensor units to said base unit via the wireless repeater unit. - View Dependent Claims (17, 18, 19, 20)
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Specification