Method of providing video call service in mobile station in...

Details Method of providing video call service in mobile station in... Method of providing video call service in mobile station in...

2006-04-19

2011-11-08

Kuntz, Curtis (Department: 2614)

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

C348S014010

Reexamination Certificate

active

08055221

ABSTRACT:
Improving the audio QoS of a video call service in a weak signal environment is accomplished. To do this, even if data is damaged in a weak signal environment during a video call using a mobile station in the weak signal environment, an audio call is preferentially processed such that a minimum audio QoS can be secured. If a transmitting mobile station enters into a weak signal environment while transmitting audio data and video data together during a video call, the transmitting mobile station transmits only audio data, and in response to this, a receiving mobile station processes the audio data transmitted during a set time interval and continuously reproduces the audio data. Audio interruption can be reduced, thereby securing a minimum audio QoS.

REFERENCES:
patent: 5084871 (1992-01-01), Carn et al.
patent: 6097965 (2000-08-01), Honkasalo et al.
patent: 6105158 (2000-08-01), Chen et al.
patent: 7124333 (2006-10-01), Fukushima et al.
patent: 2002/0077072 (2002-06-01), Suzuki
patent: WO 02/091708 (2002-11-01), None
patent: WO 2005/029903 (2005-03-01), None

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