Sectop,
en ce from the adjacent
m! e, The interfer d, especially to use,
n be offere
and stan db y ti
It pro vid es inc rea sed tal k-t ime s th at ca
* ves¢he ra te
uce d by hyb rid fre que ncy reuse an d impro
@ nd upload requiremen,,
red
load
the edge of the cell. as ym m etric down b r owsing, and br
oad,
s tha t hav e a s, e b
serv ice as file transf
er
* Ithas efficient support for ch dir ect ion )
required in ea
different data rates
delivery.
multimedia content
for chy,
ution Path interim data solution
CDMA 2000 Evol operation. The
15-95 throughput rs»,
up gr ad e pa th for event ual 3G ne l. is, The original
* CDMA has single to 64 user chan Lr0is ny,
B. IS -9 5 ch an ne l can support uP 50 0. Several W; e
called I-95 t rate 1440010 bp!
bps.
00 bp s wa s i
im proved to curren le ad s to CDMA2
96 i technologies. .
un da me nt al s of 1-95 and 1S-95B
Oa ) ,
Beery deve l ma bi
veloped
10 bas
h ey
butrtth e
sy st em le ad s to Wi deband CDMA (WCD;MA
d PDC Ss
ion for GSM, IS-136 an rvice (UMTS).
° een 36 evolut Se M ang
d Univ
i Telecommunici ation
i ersal Mobile
of GS M as we ll as th e merged versions of GS
k fundamentals
networ
cat is based on the
a ;
ing wire
136 through EDGE. st em an d al lo ws to access internet by us
based on CDMAone sy fered
pat standard is 2000 system was of
. 2002 the first CDMA
speed. In the year
carrier with high data p oject 2).
ed by 3G PP 2 (3 rd Ge neration Partnershi Pr h Korea. It
standa rd iz
uth America and Sout
It is especially used in North America and So ting
-9 5 2G st an da rd s. To im pr ove the performance of exis
infrastructure with the IS ware or hardw
not use any extra equipment.
It just only changed the soft
CDMA 2000 does
existing system. number of us:
n the CDMAone as it serves the twice
* The CDMA 2000 is more advanced tha also pr
Aon e and the batt ery life of mob ile stat ion is twice as compared to CDMAone. It
CDM
port.
high speed data access by using packet data trans
CDMA 2000 is seamless and less expensiv e as comp ared to W-CDMA. CDMA 2000 also known 2s
ard developed by the Interna
CDMA. Multi-carrier is a CDMA version of the IMT-2000 stand
Telecommunication Union (ITU).
CDMA 2000 is a set of standards that define the new air interface and changed in radio ac
will enhance the network capacity, improve data speed and bandwidth of mobile terminals
allow end-to-end IP services.
Cae 1990s the application of CDMA technology was introduced in cellular system
oe geinent pug characterization of IS-95 standard. The CDMA 2000 technology is develope¢
Wa c0 stent ee enhancement in voice capacity, data speed rate and network features
implement soft handoff whe: i :
the problem of near far terminal. ED SOS Rei re Toe al
* CDMA 2000 is backward co. mpatiblei with IS-95 that i i
handoff. The CDMA 2000 family reuses the existin ae Sarees. page cess and
speech services, Short Message Services § 1S-95 service standards such as thosetrate
that
