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Modems

 
Solutions for Flexible Efficient Secure Satellite Based IP Networks
Examines the dilemmas associated with satellite-based IP transport, presents the desired attributes for a satellite-based IP network and defines solutions

Implementing Satellite VoIP Network
Presents a case study for a centrally located network servicing a number of remote locations and defines the desired attributes and requirements for that network

Bridged Ethernet Interface Redundancy
Recommends an Ethernet 1:1 and 1:N redundancy strategy for simple bridged modems

Optimizing Cellular Solutions
Presents a variety of approaches to backhauling GSM – By comparing and explaining the different approaches, it will assist the operator with selecting the best-suited backhaul solution

The Case for Turbo Product Coding in Satellite Communications
Overviews the Turbo Product Coding forward error correction, including performance advantages, and compatible modulation formats and code rates

LDPC and 8-QAM
Provides an overview of the industry’s most bandwidth-efficient forward error correction

DoubleTalk Carrier-in-Carrier
Overviews the innovative technology that provides a significant improvement in bandwidth utilization, beyond what is possible with FEC and modulation alone, allowing users to either reduce operating expenses or increase throughput

CDM-700 64-QAM Evaluation
Provides an evaluation of the dual and single carrier testing of 155.52 Mbps carriers over a 72 MHz satellite transponder using CDM-700 modems operating with 64-QAM and 7/8 Turbo Coding.

Digicast Products  
How to Set Up Digicast Digital Satellite Receiver
Setting up a digital satellite receiver for the delivery of IP or transport stream information over an Asynchronous Serial Interface (ASI) involves more than just configuring the data related parameters. This paper will help the individual performing the configuration by explaining each parameter and what parameters must be on hand when setting up a Digicast satellite receiver.

How to Configure and Control the Digicast CMR-5975 Media Router via SNMP
This paper overviews how the various types of SNMP relate to the configuration of the Digicast Media Router.

How to Configure and Control the Digicast MENCAP Encapsulator via SNMP
This paper overviews how the various types of SNMP relate to the configuration of the Digicast MENCAP Encapsulator.

How to Configure the MENCAP IP Encapsulator and CDM-710 Modulator for Unicast and Multicast Operation
Overviews the steps on the initial setup and configuration parameters of the MENCAP IP Encapsulator and the CDM-710 Modulator
 

Performance Enhancement Proxies

 
Solutions for Flexible Efficient Secure Satellite Based IP Networks
Examines the dilemmas associated with satellite-based IP transport, presents the desired attributes for a satellite-based IP network and defines solutions

A Method for Accelerating File Transfers over Satellite Links
Presents the specific performance improvements that can be achieved with the performance enhancement proxy devices when File Transfer Protocol (FTP) is used across a satellite link.

 
 

Vipersat Network Products

 
Solutions for Flexible Efficient Secure Satellite Based IP Networks
Examines the dilemmas associated with satellite-based IP transport, presents the desired attributes for a satellite-based IP network and defines solutions

Maritime Network Solutions
Overviews the maritime industry's requirements for satellite networking and Comtech EF Data's solutions that benefit both end users and service providers.
 
 

Notice: Comtech EF Data reserves the right to change specifications of products described in these documents at any time without notice and without obligation to notify any person of such changes.  Information in these documents may differ from information published in other Comtech EF Data documents.