Cdmaone Standards - Agilent Technologies ESA-E Series User And Programming Manual

Spectrum analyzers modulation analysis measurement personality
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In W-CDMA and cdma2000, a single user's channel consists of a specific
frequency combined with a unique code. Correlative codes allow each user to
operate in the presence of substantial interference. The interference is the sum of
all other users on the same W-CDMA or cdma2000 frequency, both from within
and outside of the home cell, and from delayed versions of these signals. It also
includes the usual thermal noise and atmospheric disturbances. Delayed signals
caused by multipath are separately received and combined in these systems. One of
the major differences in access is that any frequency can be used in all sectors of all
cells. This is possible because the W-CDMA and cdma2000 systems are designed
to decode the proper signal in the presence of high interference.
Additionally, cdma2000 offers a number of RF structures to accommodate almost
any conceivable application. These options include direct spreading to support
those applications where clear spectrum is available and multicarrier arrangements
using 1.25 MHz wide channels to allow overlays with TIA/EIA-95-B systems.
TIA/EIA/IS-2000 Mobile Station - Base Station Compatibility Standard for
Dual-Mode Wideband Spread Spectrum Cellular System
W-CDMA (3GPP) is defined in the following documents:
TS 25.XX series 3rd Generation Partnership Project Technical Specification;
Radio Performance aspects. These documents define complex multipart
measurements used to maintain an interference free environment.
There are many other formats supported by the modulation analysis personality
that can be referenced by the appropriate standards documents.
cdma2000 is defined in the following Telecommunications Industry
Association(TIA) and Electronics Industry Alliance (EIA) document:

cdmaOne Standards

The cdmaOne communication system personality is defined in the following
standard bodies: Electronics Industry Association (EIA), Telecommunications
Industry Association (TIA), American National Standards Institute (ANSI),
Association of Radio Industries and Businesses (ARIB) (Japan), and Korean
standards documents:
IS-95-A:
TIA/EIA-IS-95-A
TIA/EIA-IS-97-A
TIA/EIA-IS-98-A
Chapter 2
Digital Communication Systems Standards Overview
Mobile Station-Base Station Compatibility Standard for Dual-Mode
Wideband Spread Spectrum Cellular System. May 1995
Recommended Minimum Performance Standards for Base Stations
Supporting Dual-Mode Wideband Spread Spectrum Cellular Mobile
Stations. July 1996
Recommended Minimum Performance Standards for Dual-Mode Wideband
Spread Spectrum Cellular Mobile Stations. July 1996
Understanding Modulation Analysis
7

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