 Address updating of wireless mobile terminal hosts affiliated with a wired network |
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| Debit service systems and methods for wireless units |
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| Method and apparatus for enabling and monitoring mobile communication across platforms |
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| Method and apparatus for digital cellular internet voice communications |
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| Telephone switch center with control of individual devices |
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| Oscillator and communications device |
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| Radio communication system operable in cooperation with a VOX system |
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| VSAT frequency source using direct digital synthesizer |
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Method for obtaining control information during a communication session in a radio communication system
| Details |
Inventors: Young, Richard S.;
Assignee: Motorola, Inc. (Schaumburg, IL)
Primary Examiner: Chang; Vivian
Assistant Examiner: Appiah; Charles N.
Attorney, Agent or Firm: Scutch, III; Frank M.
A communication device receives control information during transmission of streaming data, such as speech data, over a wireless channel (300). The communication device identifies a portion of the streaming data, such as representing a pause in speech, as compressible data or white space data (310, 320). Continuous transmission of the streaming data is interrupted to request and receive control information on the wireless channel, using the channel space made available by not transmitting the identified portion of data or by transmitting it in a more compressed format (330, 340). |
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention provides for a method of communicating control information during transmission of streaming data over a wireless channel.
A communication device obtains streaming data for transmission, and initiates a transmission session to transmit the streaming data over the wireless channel.
The communication device identifies a portion of the streaming data as compressible data or white space data.
The transmission session is interrupted to request and receive control information on the wireless channel, using the channel space made available by not transmitting the portion of data or by transmitting the portion of data in a more compressed format.
In the preferred embodiment, the streaming data comprises speech data, and the identified portion represents a pause in speech within the speech data.
FIG.
1 shows a radio communication system 100, in accordance with the present invention.
In the preferred embodiment, the system 100 supports telephone, dispatch, data, and other communication services over a wireless radio frequency network, using a frequency division multiple access protocol.
The system 100 includes fixed stations 120 (only one shown) and mobile radios 101 (only one shown).
A fixed station 120 is a communication device that operates as part of the infrastructure of the radio communication system 100 and is sometimes referred to as a base station or infrastructure equipment.
The fixed station 120 provides communication support for a particular coverage area.
A mobile radio 101 is a communication device that operates as a subscriber unit within the system 100.
The mobile radio 101, which may frequently change geographic locations, interfaces with the fixed station 120 while in the coverage area of the fixed station 120.
Mobile radios and fixed stations communicate with each other over wireless radio frequency links.
Ordinarily, a fixed station supports a plurality of channels that may comprise different frequencies, or different time slots on one or more frequencies
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