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Conference Paper
A Design and Implementation of ASIC for High-Quality VoIP Terminal Over Wireless LAN
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- Authors
- Do Young Kim, Jong Won Park
- Issue Date
- 2006-02
- Citation
- International Conference on Advanced Communication Technology (ICACT) 2006, pp.1645-1648
- Language
- English
- Type
- Conference Paper
- Project Code
- 05MT2800, Development of Multi-codec and Its Control Technology Providing Variable Bandwidth Scalability, Do Young Kim
- Abstract
- 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.
- KSP Keywords
- 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