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학술대회 A Design and Implementation of ASIC for High-Quality VoIP Terminal Over Wireless LAN
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저자
김도영, 박종원
발행일
200602
출처
International Conference on Advanced Communication Technology (ICACT) 2006, pp.1645-1648
DOI
https://dx.doi.org/10.1109/icact.2006.206303
협약과제
05MT2800, 가변대역 멀티코덱 및 제어기술 개발, 김도영
초록
This paper describes on a design and implement tion of ASIC to integrate with high-quality voice over wireless LAN for the application of hand-held terminal, which is based on the wideband speech codec algorithm and IEEE 802.11e-based QoS mechanism. The target of this work mainly focused on the single chip integration for VoIP terminal providing the differentiated high-quality internet telephony service through wireless LAN. In the design of ASIC, ARM926EJ is adopted for a high-performance single RISC core to remove additional high-cost DSP device. Also wireless MAC and PHY layer based on IEEE802.11a, b, and g had designed and implemented on this device.
키워드
ASIC, Codec, Core, LAN, Processor, QoS, Terminal, VoIP, Wideband, Wireless
KSP 제안 키워드
Hand-held, High performance, High-quality, Internet telephony, PHY layer, QoS mechanism, RISC core, Single-Chip, Wireless Local Area Networks(WLANs), chip integration, design and implementation