Wcdma and cdma2000 the radio interfaces for future mobile. Cdma 2000 mobile phone operational description details for fcc id sarhisensec389 made by hisense communication co. The third generation partnership project 2 recently baselined the specification for a cdma2000 highrate broadcast packet data air interface cdma2000 high rate broadcastmulticast. Release 0 of cdma2000 provides functionality at the physical layer for spreading rate 1 and spreading rate 3 sr3. Cdma is the second most widely deployed technology in the world with more than 100 million subscribers worldwide and is projected to reach 280 million subscribers by 2006. It utilises the spectrum more efficiently and also allows high speed data to be transmitted, making it fully competitive with other 3g cellular systems. Cdma2000 high rate broadcast packet data air interface design article pdf available in ieee communications magazine 422. This means that the individual channels are separated from each other by individual codes the codes used for cdma2000 are known as walsh codes. An rnc may connect to several rncs through the iur interface.
Channel types and functions the forward links comprise the following logic channels. B is commercial growing momentum with many operator and vendor commitments lte to complement 3g operators with access to new and wider spectrum plan to augment their networks with lte relying on 1x for voice services and ev do for ubiquitous data coverage do advanced maximizing performance of evdo. Cdma 1x air interface free download as powerpoint presentation. Hisensec389 cdma 2000 mobile phone operational description. E3e4 cm module welcome to bsnl thajavur marketing cell. Cdma2000 is an ituapproved, imt2000 3g standard cdma2000 1x can double voice capacity and delivers data rates up to 307 kbps cdma2000 1xev is optimized for highspeed data. The article looked into the possible future of 3gpp2s cdma2000 1x and. Figure 1 is2000 1x 144 kbits, cdma standards evolution. Cdma 2000 8001900 amps 800 nemo outdoor is an effective tool for tracing the performance of cdma 2000 wireless networks. Cdma2000 high rate broadcast packet data air interface design.
Naming of physical channel in cdma2000 continued channel name frpich fapich. This is due to the cdma long code, a 42bit pn pseudorandom noise of length 2421 sequence, which is used to scramble voice and data transmissions. On behalf of the cdma development group cdg, signals research group, llc researched the impact that mobile data and signaling traffic has on existing. Radio transmission through air interface between bts and ms controlled by bsc for internal circulation of bsnl only communication to bsc through the abis interface. Cdma 2000 1xevdo overview cdmaumts university technical training sessions for ctia wireless 2005.
This interface transfers such information as radio resource management. Cdma2000 1x is 2000, also known as 1x and 1xrtt, is the core cdma2000 wireless air interface standard. Cdma 2000 1x architecture and feature computer network. Inspired from the a21 interface defined for evdo 1x voice call. The iucs, iups, iub, and iur interfaces are implemented on the atm network. Cdma2000 is an ituapproved, imt 2000 3g standard cdma2000 1x can double voice capacity and delivers data rates up to 307 kbps cdma2000 1xev is optimized for highspeed data. Cdma2000 release a cdma 2000 evdo 1 release 0 2 revision a, b, c. Cdma2000 has a number of evolutions of which the first was cdma2000 1x, sometimes also called cdma2000 1xrtt.
The cdma2000 air interface is a direct spread technology. Cdma2000 success story in japan as of nov, 2003 total 3g sub. In a sho all the participating base stations use the same frequency, and the result is a macro diversity situation. Transmit voice data via ip over the cdma2000 1x evdo network. Enhanced services can be provided to cdma one subscribers through cdma2000. As a result cdma 2000 1x has a higher voice capacity and.
Access to the air interface the wlt comprises two subelements. While commonly referred to a cdma 2000, other names for cdma 2000 are 1x, 1x rtt or is 2000. The acceptance of cdma 2000 solutions in asia, north america, and latin america, which accounted for over four million 3g cdma2000 users by the end of 2001 and adding more than 1 million new subscribers per month, provides vivid proof of the demand for 3g services and applications. It is the basis of japans ntt docomos foma service and the mostcommonly used member of the umts family and sometimes used as a synonym for umts. The terminal measures the carrier to interface ci of the pilot in its active. What really is a third generation 3g mobile technology pdf.
Relates to the cdma code division multiple access network with covering specifications and requirements which mu the cdma system. Cdma network and technology overview the core network of the verizon wireless mobile data network has many of the same components found in a typical. Um interface air interface is defined as the communication interface between a mobile station and a base transceiver station bts and used for the interconnection between a mobile station and the fixed parts of a cdma system. However cdma2000 1x evdo has been optimised for data transmission. Cdma2000 1xevdo 1x evolution dataonly wireless technology introduces a new air interface with a. Cdma2000 systems provide a family of related services including cellular, pcs, wll and fixed wireless. Wcdma wideband code division multiple access, umtsfdd, utrafdd, or imt2000 cdma direct spread is an air interface standard found in 3g mobile telecommunications networks. Cdma 1x air interface telecommunications internet protocols. Cdma2000 1x which is also standardised as is2000 supports circuitswitched voice, and has the capability to provide up and sometimes beyond 35 simultaneous call per sector and as such it doubles the capacity of the original is95 networks. Code division multiple access 2000 cdma2000 is a third generation 3g standard developed by the international telecommunication union itu. This site is like a library, use search box in the widget to get ebook that you want.
Avocent systems assist hutch to enable customers to see the world in your hand. In cdma 2000 1x systems an attempt has been made to make reverse link more synchronous by adding a pilot in reverse link to reduce interference. Cdma2000 1x which is also standardised as is 2000 supports circuitswitched voice, and has the capability to provide up and sometimes beyond 35 simultaneous call per sector and as such it doubles the capacity of the original is95 networks. Interoperability specification for cdma2000 air interface. In this section we describe the core packet data architecture associated with the cdma2000 radio interface. Click download or read online button to get cdma2000 book now. The cdma2000 1x evdo air interface obviously has many similarities with other systems in the cdma2000 family. Cdma 2000 1x cordless telephone pdf manual download. The basic chip rate, on which all other data, symbol and bit rates are based, is 1.
In 1985, the fcc allocated three frequency bands to spread spectrum communications. Further in cdma 2000 1x version many of the limitations of earlier is95 standard were overcome and new features were added. What is code division multiple access 2000 cdma2000. Pdf the third generation partnership project 2 recently baselined the specification for a cdma2000 highrate broadcast packet data air interface. Cdma 2000 1x was deployed in year 2000 and cdma 2000 1xevdo is being deployed this year. Pdf cdmacdma2000 1x rf planning guide free download pdf. Wcdma and cdma2000 the radio interfaces for future mobile multimedia communications part iiiaugust, 2001 2 7.
The designation 1x, meaning 1 times radio transmission technology, indicates the same radio frequency rf bandwidth as is95. Most leading cdma2000 operators intend to deploy lte. Cdma20001x radio access network ran packet control function pcf. Evolution of cdma2000 1x that it offers bigger data transmission speed can. Mac layer through the air through coding, modulation, spreading, and interleaving processes. Apr 05, 2010 the ericsson radio 1x products access network uses an is2000 air interface ericssons cdma2000 1x products are part and the ansi41 core network. Note that the lte air interface publication date shown is 122007, but the core network epc was published mid 2008. In a cdma system the same signal can be transmitted over the air interface, on the same frequency, from several base stations separated by considerable distances. Network validation for cdma 2000 1x evdo technology. The noiselike signature of a cdma signal over the air interface makes eavesdropping very difficult. The physical link is implemented by mean of a radio link.
Cdma2000 is a family of 3g mobile technology standards for sending voice, data, and. This architecture is described in 3gpp2 recommendations and tia standards such as is835 and ts115. Archived from the original pdf on accordingly the coverage and signal strength needed to be improved to match the new conditions. W cdma wideband code division multiple access, umtsfdd, utrafdd, or imt 2000 cdma direct spread is an air interface standard found in 3g mobile telecommunications networks. Air interface cdma 2000 1x, gps frequency cdma2000 1x. No new applications for cdma service are accepted after 7 november 2018. Air interface and is41 standards networking, mobile ip, radius, etc. First phase in cdma2000 evolution easy coexistence with is95a air interface release 0. Cdma can be implemented in several ways, two of which are frequency hopping and direct sequencing.
Start here use bts overtheair ota tests to spotcheck a transmitters coverage and signal. Systems fplmts 1997 changed to imt2000 international mobile telecom. Code division multiple access or cdma has its roots in wwii era spread spectrum technology. Figure212 shows an example of a new is2000 1x carrier being deployed in a system with existing is95ab carriers. The impact of mobile computers and smartphones on cdma2000.
This paper discusses how cdma 2000 1xrtt implements three major features of mobile. Cdma 2000 is the natural migration for cdma is95 networks and some of the tdma networks. Wcdma and cdma2000 the radio interfaces for future. A separate packet core network pscn is provided to takes care of data calls. Evolution of cdma networks next evolutionary step was use of is95b air interface standard which supported maximum data rate upto 64 kbps to a user. Cdma2000 1x evdo and cdma2000 3x are an ituapproved, imt2000 3g standards. A tutorial and overview of the basics of cdma2000 1x sometimes referred to as 1xrtt, giving details of the operation and evolution. A broad range of color lcd phones and wireless devices are entering the market. It allows cdma2000 cellular wireless service providers to offer bidirectional packet data services using the internet protocol. Cdma 2000 1x systems are a major evolution over is95 standards where much improvement has been done in radio reverse link. Cdma multicarrier mc member of the imt 2000 family of standards.
Technical overview of 1xevdv white paper cdma development. Agenda cdma network architecture introduction to network entities. The fallback mode is the one that dcma2000 to be used more widely as most operators have a cdma 1x system in place. The worlds first cdma2000 networks were launched in korea in october.
This means that it spreads encoded user data at a relatively low rate over a much wider bandwidth 1. Evolved data optimized classified as a 3g system 2. This means that is95 handsets will continue to work in cdma 2000 network as well as cdma 2000 mobiles will work in is95 network. New is2000 1x carrier deployment a new is2000 1x overlay carrier being deployed into an existing is95ab system would have. Forward links from base station to mobile station provide the communication from base station to mobile station. It is based on an international mobile station imsi and is defined in is2000 the details of. Cdma2000 1x base station troubleshooting guide utilizing anritsus handheld bts master, cell master, or spectrum master with options 354465 visit us at. Sk telecom presentation to 2000 cdma americas congress, san diego, ca, usa. View and download telular cdma 2000 1x user manual online. Cdma2000 1x is2000, also known as 1x and 1xrtt, is the core cdma2000 wireless air interface standard.
Pdf cdma2000 high rate broadcast packet data air interface. Radio transmission through air interface between bts and ms. Gsm r and cdma network system for the railway industry. Cdma multicarrier mc member of the imt2000 family of standards. Cdma2000 3x is part of what the itu has termed imt2000 cdma mc multi carrier. Cdma 2000 has fundamental requirement to maintain compatibility with is95 air interface. This protocol uses cdma access to send voice and data and signals between mobile phones and cell sites. Every rnc is connected to sgsn through the iups interface, and to an msc through the iucs interface. New is 2000 1x carrier deployment a new is 2000 1x overlay carrier being deployed into an existing is95ab system would have. Figure212 shows an example of a new is 2000 1x carrier being deployed in a system with existing is95ab carriers. System release guide for the release 6 of the cdma2000. Cdma2000 1x with lower data speed is considered to be a 2.
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