APPARATUS AND METHOD FOR ADAPTIVE VOIP SCHEDULING ACCORDING TO THE PACKET INTERARRIVAL PERIOD IN SILENCE PERIOD AND TALKSPURT
A scheduling apparatus appropriate for a voice packet network service in which the transmission period is changed in a silence section and a talkspurt section, and a method therefor are provided to minimize the waste of radio resources, and reduce the overhead of MAP messages in the silence section....
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Main Authors | , , , , |
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Format | Patent |
Language | English |
Published |
06.03.2009
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Abstract | A scheduling apparatus appropriate for a voice packet network service in which the transmission period is changed in a silence section and a talkspurt section, and a method therefor are provided to minimize the waste of radio resources, and reduce the overhead of MAP messages in the silence section. A buffer in which a voice packet received from an upper layer is stored is confirmed to check whether the change of a data transfer rate is perceived(701). If the change of the data transfer rate is sensed, a terminal inspects the change of the data transfer rate(703). If the change of the data transfer rate increases, the terminal transmits a voice bandwidth request header in which ST value is set as 1 through the allocated resources(705), and then receives an UL_MAP message(709). In case the change of the data transfer rate decreases, the terminal transmits a grant management sub header to the base station through the piggyback(707), and then receives the UL_MAP message(707). |
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AbstractList | A scheduling apparatus appropriate for a voice packet network service in which the transmission period is changed in a silence section and a talkspurt section, and a method therefor are provided to minimize the waste of radio resources, and reduce the overhead of MAP messages in the silence section. A buffer in which a voice packet received from an upper layer is stored is confirmed to check whether the change of a data transfer rate is perceived(701). If the change of the data transfer rate is sensed, a terminal inspects the change of the data transfer rate(703). If the change of the data transfer rate increases, the terminal transmits a voice bandwidth request header in which ST value is set as 1 through the allocated resources(705), and then receives an UL_MAP message(709). In case the change of the data transfer rate decreases, the terminal transmits a grant management sub header to the base station through the piggyback(707), and then receives the UL_MAP message(707). |
Author | KIM, JEA HYUN KWUN, JONG HYUNG LEE, OK SEON MIN, CHAN HO OH, SUNG MIN |
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Snippet | A scheduling apparatus appropriate for a voice packet network service in which the transmission period is changed in a silence section and a talkspurt section,... |
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SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
Title | APPARATUS AND METHOD FOR ADAPTIVE VOIP SCHEDULING ACCORDING TO THE PACKET INTERARRIVAL PERIOD IN SILENCE PERIOD AND TALKSPURT |
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