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3G / 4G Cellular Applications
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The cellular
communications channel is characterized by limited signal bandwidth and low
signal power. The noise environment exhibits flat fading. In this environment
channel capacity increases approximately logarithmically with SNR.
3GPP (WCDMA)
The 3rd Generation
Partnership Project (3GPP) is a collaboration agreement established in
December 1998, bringing together a number of telecommunications
standards bodies which are known as “Organizational Partners”. The
current Organizational Partners are ARIB, CCSA, ETSI, ATIS, TTA, and TTC.
The original scope of 3GPP
was to produce globally applicable Technical Specifications and
Technical Reports for a 3rd Generation Mobile System based on evolved
GSM core networks and the radio access technologies that they support
(i.e., Universal Terrestrial Radio Access (UTRA) both Frequency Division
Duplex (FDD) and Time Division Duplex (TDD) modes). The scope was
subsequently amended to include the maintenance and development of the
Global System for Mobile communication (GSM) Technical Specifications
and Technical Reports including evolved radio access technologies (e.g.
General Packet Radio Service (GPRS) and Enhanced Data rates for GSM
Evolution (EDGE)).
Multiplexing and
channel coding issues are dealt with in 3GPP recommendations
TS 25.212 and
TS 25.222.
The table below shows all our 3GPP compatible devices currently offered as
standard products for sale. Contact us at
sales@salamander-ecc.com for
more information, or to request a custom designed solution.
|
3GPP Compatible
Turbo Codes |
|
SAL20100E |
Turbo encoder |
|
SAL20101D |
Turbo decoder, standard
version (log-MAP) |
|
3GPP Compatible
Convolutional / Viterbi Codes |
|
SAL20320E |
Convolutional encoder |
|
SAL20320D |
Viterbi decoder, low
speed |
|
SAL20321D |
Viterbi decoder, medium
speed |
3GPP2 (CDMA2000)
3GPP2, a parallel "sister project" to 3GPP,
was born out of the International Telecommunication Union's (ITU)
International Mobile Telecommunications "IMT-2000" initiative, covering
high speed, broadband, and Internet Protocol (IP)-based mobile systems
featuring network-to-network interconnection, feature/service
transparency, global roaming and seamless services independent of
location. IMT-2000 is intended to bring high-quality mobile multimedia
telecommunications to a worldwide mass market by achieving the goals of
increasing the speed and ease of wireless communications, responding to
the problems faced by the increased demand to pass data via
telecommunications, and providing "anytime, anywhere" services
The table below shows all our 3GPP2 compatible devices currently offered as
standard products for sale. Contact us at
sales@salamander-ecc.com for
more information, or to request a custom designed solution.
|
3GPP2 Compatible
Turbo Codes |
|
SAL21100E |
Turbo encoder |
|
SAL21101D |
Turbo decoder, standard
version (log-MAP) |
|
3GPP2
Convolutional / Viterbi Codes |
|
SAL21320E |
Convolutional encoder |
|
SAL21320D |
Viterbi decoder, low
speed |
|
SAL21321D |
Viterbi decoder, medium
speed |
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