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Proceedings Paper

MoNET: media over net gateway processor for next-generation network
Author(s): Hammam Elabd; Rangarajan Sundar; John Dedes
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Paper Abstract

MoNETTM (Media over Net) SX000 product family is designed using a scalable voice, video and packet-processing platform to address applications with channel densities from few voice channels to four OC3 per card. This platform is developed for bridging public circuit-switched network to the next generation packet telephony and data network. The platform consists of a DSP farm, RISC processors and interface modules. DSP farm is required to execute voice compression, image compression and line echo cancellation algorithms for large number of voice, video, fax, and modem or data channels. RISC CPUs are used for performing various packetizations based on RTP, UDP/IP and ATM encapsulations. In addition, RISC CPUs also participate in the DSP farm load management and communication with the host and other MoP devices. The MoNETTM S1000 communications device is designed for voice processing and for bridging TDM to ATM and IP packet networks. The S1000 consists of the DSP farm based on Carmel DSP core and 32-bit RISC CPU, along with Ethernet, Utopia, PCI, and TDM interfaces. In this paper, we will describe the VoIP infrastructure, building blocks of the S500, S1000 and S3000 devices, algorithms executed on these device and associated channel densities, detailed DSP architecture, memory architecture, data flow and scheduling.

Paper Details

Date Published: 20 December 2001
PDF: 11 pages
Proc. SPIE 4674, Media Processors 2002, (20 December 2001); doi: 10.1117/12.451063
Show Author Affiliations
Hammam Elabd, RealChip Communications Inc. (United States)
Rangarajan Sundar, RealChip Communications Inc. (United States)
John Dedes, RealChip Communications Inc. (United States)


Published in SPIE Proceedings Vol. 4674:
Media Processors 2002
Sethuraman Panchanathan; V. Michael Bove; Subramania I. Sudharsanan, Editor(s)

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