Methods and apparatus for organizing selection of operational parameters in a communication system
First Claim
1. A method of selecting operational parameters for transmitting a signal over a communication channel of a communication network, the method comprising the steps of:
- (a) determining RF conditions on the communication channel from a received signal transmitted over the communication channel;
(b) selecting a preliminary set of parameter values for the operational parameters based on the RF conditions determined from the received signal;
(c) using the preliminary set of parameter values to identify candidate sets of parameter values as potential candidates for transmitting the signal, an expected performance value being associated with each of the candidate sets of parameters, wherein determination of the expected performance value is independent of the RF conditions determined from the received signal;
(d) selecting from among the candidate sets of parameter values a selected set of parameter values having the expected performance value indicating a highest expected performance among the candidate sets of parameter values, such that selection of the selected set of parameter values from among the candidate sets of parameter values is independent of the RF conditions determined from the received signal; and
(e) transmitting the signal on the communication channel using the selected set of parameter values.
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Abstract
Operational parameters for transmitting a signal over a communication channel of a network are selected by first determining RF conditions on the communication channel from a received signal transmitted over the communication channel. An initial set of parameter values is selected for transmitting the signal based on RF conditions determined from the received signal. The initial set of parameter values is used to identify other sets of parameter values as other potential candidates for transmitting the signal. The parameter values in the other sets of parameter values differ from parameter values in the initial set of parameter values by less than a predetermined amount. The expected performance of the candidate sets of parameter values is compared to determine which set of parameter values has the best expected performance among the candidate sets of parameter values. The signal is transmitted on the communication channel using the selected set of parameter values.
141 Citations
44 Claims
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1. A method of selecting operational parameters for transmitting a signal over a communication channel of a communication network, the method comprising the steps of:
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(a) determining RF conditions on the communication channel from a received signal transmitted over the communication channel;
(b) selecting a preliminary set of parameter values for the operational parameters based on the RF conditions determined from the received signal;
(c) using the preliminary set of parameter values to identify candidate sets of parameter values as potential candidates for transmitting the signal, an expected performance value being associated with each of the candidate sets of parameters, wherein determination of the expected performance value is independent of the RF conditions determined from the received signal;
(d) selecting from among the candidate sets of parameter values a selected set of parameter values having the expected performance value indicating a highest expected performance among the candidate sets of parameter values, such that selection of the selected set of parameter values from among the candidate sets of parameter values is independent of the RF conditions determined from the received signal; and
(e) transmitting the signal on the communication channel using the selected set of parameter values. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A communication node for communicating with other nodes in a network over communication channels, comprising:
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a receiver configured to process a received signal transmitted over a communication channel to determine RF conditions on the communication channel;
a processor configured to select a preliminary set of parameter values for the operational parameters based on the RF conditions determined from the received signal, and using the preliminary set of parameter values to identify candidate sets of parameter values as potential candidates for transmitting the signal, an expected performance value being associated with each of the candidate sets of parameters, wherein determination of the expected performance value is independent of the RF conditions determined from the received signal, said processor selecting from among the candidate sets of parameter values a selected set of parameter values having the expected performance value indicating a highest expected performance among the candidate sets of parameter values, such that selection of the selected set of parameter values from among the candidate sets of parameter values is independent of the RF conditions determined from the received signal; and
a transmitter configured to transmit the signal on the communication channel using the selected set of parameter values. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A communication system, comprising:
a plurality of nodes communicating over communication channels, each of said nodes including;
a receiver configured to process a received signal transmitted over a communication channel to determine RF conditions on the communication channel;
a processor configured to select a preliminary set of parameter values for the operational parameters based on the RF conditions determined from the received signal, and using the preliminary set of parameter values to identify candidate sets of parameter values as potential candidates for transmitting the signal, an expected performance value being associated with each of the candidate sets of parameters, wherein determination of the expected performance value is independent of the RF conditions determined from the received signal, said processor selecting from among the candidate sets of parameter values a selected set of parameter values having the expected performance value indicating a highest expected performance among the candidate sets of parameter values, such that selection of the selected set of parameter values from among the candidate sets of parameter values is independent of the RF conditions determined from the received signal; and
a transmitter configured to transmit the signal on the communication channel using the selected set of parameter values.- View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
Specification