METHOD AND APPARATUS FOR SENDING A CHANNEL TIMING MESSAGE IN A DIGITAL MOBILE RADIO SYSTEM
First Claim
1. A method for automatically switching functions associated with a leading radio to another radio operating on a channel comprising:
- receiving, from a leading radio by at least one other radio operating on a channel, an associated timing signal via at least one control timing message, wherein one or more other radios use the timing signal to synchronize transmissions made on the channel;
receiving, by the one or more other radios, an indication that the leading radio can no longer provide control timing messages;
maintaining, by each radio on the channel, values for various elements associated with one or more radios operating on the channel; and
selecting, by the one or more other radios, a new leading radio from the one or more other radios based on priorities of the various elements.
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Accused Products
Abstract
A method and apparatus for automatically switching functions associated with a leading radio to another radio on a channel is disclosed. The method includes receiving, from a leading radio by at least one other radio operating on a channel, an associated timing signal via at least one control timing message. Other radios use the timing signal to synchronize transmissions made on the channel. The method also includes receiving, by the other radios, an indication that the leading radio can no longer provide control timing messages. The method further includes maintaining, by each radio on the channel, values for various elements associated with radios operating on the channel and selecting a new leading radio from the other radios based on priorities of the various elements.
18 Citations
20 Claims
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1. A method for automatically switching functions associated with a leading radio to another radio operating on a channel comprising:
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receiving, from a leading radio by at least one other radio operating on a channel, an associated timing signal via at least one control timing message, wherein one or more other radios use the timing signal to synchronize transmissions made on the channel; receiving, by the one or more other radios, an indication that the leading radio can no longer provide control timing messages; maintaining, by each radio on the channel, values for various elements associated with one or more radios operating on the channel; and selecting, by the one or more other radios, a new leading radio from the one or more other radios based on priorities of the various elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system configured to automatically switch functions associated with a leading radio to another radio operating on a channel, the system comprising:
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a leading radio; and at least one other radio operating on a channel, wherein the leading radio is configured to transmit an associated timing signal by transmitting at least control timing message to the other radio, wherein one or more other radios use the timing signal to synchronize transmissions made on the channel, and wherein each of the one or more other radios is configured to receive an indication that the leading radio can no longer provide the control timing messages, to maintain values for various elements associated with one or more radios on the channel, and to select a new leading radio based on priorities of the various elements. - View Dependent Claims (17, 18, 19, 20)
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Specification