TRANSMISSION OF DATA WITH VOICE-ENCODED DATA UNITS ON A WIRELESS COMMUNICATIONS CHANNEL USING VARIABLE RATE BIT STEALING
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United States of America Patent
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Apr 24, 2015
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Apr 24, 2015
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Abstract
A method and apparatus transmits data with voice-encoded data units on a wireless communications channel with a voice transmission. The arrangement determines a number of audio bits available for stealing by analyzing at least one parameter that affects voice quality selected from the group of: a movement velocity of the mobile communication radio, a signal strength or fading rate of the radio channel, a location of the mobile communication radio with respect to a coverage map, whether the mobile communication radio is disposed in an indoor location, and a distance from the communication radio to the base radio. The determination is provided to an audio and data coding profile. The profile is applied to substitute data bits for the determined number of audio bits in one or more voice-encoded data units and the mobile radio transmits the voice-encoded data units with the voice transmission.
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