LEARNING WIRELESS MEDIUM ACCESS CONTROL FOR DISCRETE EVENT CONTROL SYSTEMS
First Claim
1. A wireless data transmission method, comprising:
- providing a plurality of radio frequency transmitters;
providing a receiver to receive transmissions from the transmitters;
defining a data frame format including a plurality of transmission time slots;
determining a first subset of the plurality of transmitters that are apt to send the transmissions simultaneously;
assigning each of the transmitters in the first subset to a different said time slot;
determining a second subset of the plurality of transmitters that are apt to send the transmissions non-simultaneously;
assigning each of the transmitters in the second subset to a same said time slot; and
using the transmitters to transmit the transmissions to the receiver in accordance with the assigning steps.
1 Assignment
0 Petitions
Accused Products
Abstract
A wireless data transmission method includes providing a plurality of radio frequency transmitters. A receiver is provided to receive transmissions from the transmitters. A data format including a plurality of transmission time slots is defined. A first subset of the plurality of transmitters that are apt to send the transmissions simultaneously is determined. Each of the transmitters in the first subset is assigned to a different one of the time slots. A second subset of the plurality of transmitters that are apt to send the transmissions non-simultaneously is determined. Each of the transmitters in the second subset is assigned to a same one of the time slots. The transmitters are used to transmit the transmissions to the receiver in accordance with the assigning steps.
22 Citations
24 Claims
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1. A wireless data transmission method, comprising:
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providing a plurality of radio frequency transmitters; providing a receiver to receive transmissions from the transmitters; defining a data frame format including a plurality of transmission time slots; determining a first subset of the plurality of transmitters that are apt to send the transmissions simultaneously; assigning each of the transmitters in the first subset to a different said time slot; determining a second subset of the plurality of transmitters that are apt to send the transmissions non-simultaneously; assigning each of the transmitters in the second subset to a same said time slot; and using the transmitters to transmit the transmissions to the receiver in accordance with the assigning steps. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A wireless data transmission method, comprising:
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providing a plurality of radio frequency transmitters; providing a plurality of receivers to receive transmissions from the transmitters; configuring each of the receivers to receive the transmissions on a respective one of a plurality of frequency channels; defining a data frame format including a plurality of transmission time slots; determining a first subset of the plurality of transmitters that have previously transmitted said transmissions simultaneously and on a same said frequency channel; assigning each of the transmitters in the first subset to at least one of a different said frequency channel and a different said time slot; determining a second subset of the plurality of transmitters that have not previously transmitted said transmissions both simultaneously and on a same said frequency channel; assigning each of the transmitters in the second subset to a same said frequency channel and a same said time slot; and using the transmitters to transmit the transmissions to the receivers in accordance with the assigning steps. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A data transmission method, comprising:
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wirelessly transmitting data packets from a plurality of sensors to at least one receiver; determining a subset of the sensors whose data packets collided with each other during the step of wirelessly transmitting data packets; wirelessly transmitting signals to the sensors in the subset, the signals assigning each of the sensors in the subset to at least one of a different time slot within a data format and a different frequency channel; and repeating the step of wirelessly transmitting data packets such that the data packets are transmitted in accordance with the assignments. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A data transmission method, comprising:
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providing a plurality of radio frequency transmitters; providing a receiver to receive transmissions from the transmitters; controlling transmissions of the transmitters by use of a media access control protocol; over a period of time, recording frequencies and times at which each of the transmitters transmit signals; and automatically modifying the media access control protocol based on the recordings. - View Dependent Claims (22, 23, 24)
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Specification