Cdma.

Analysts at ICBC International said the sale was not surprising given Unicom no longer had any CDMA operations.

This comes just a few weeks after Huawei announced an earlier deal with the Indian operator to provide CDMA equipment in Mumbai.

If it runs into similar problems on Verizon's CDMA network, customers of that carrier might wind up just as frustrated.

The result of the simulation show GA is effectively speed up the convergence rate, especially in large-scale DS-CDMA cellular system.

The concept of CDMA may be interpreted as the simulation that base on frequency spreading and the multiply address access project.

MC-CDMA with its frequency diversity is an attractive modulation scheme for multi-user high data rate wireless communication system.

It has been weak there, because many networks use a different wireless standard (called CDMA) rather than the GSM technology used in Europe.

In this paper, present multiuser detection algorithms used for CDMA system are summarized.

Certainly. it would be particularly cdma goodyenging to explain our rigs over the phone. May I cma goody on you today or tomorrow?

Thesis, summed up the optimization of CDMA EVDO, and carried out the work for future network optimization to provide a new way of thinking.

The company owns a substantial 3G IP portfolio, and stands to make royalty on every code division multiple access-based phone.

At present, the market, CDMA and PHS dual-card dual-standard mobile phones to be relatively small, or even virtually non-existent.

This arrangement would enable the cumulative royalty rate for W-CDMA to be set at a modest single digit level.

This paper mainly introduces the realization of the system daily record in the monitoring system of the CDMA Broad Band repeater.

Code division multiple access (CDMA) technique was conceptually introduced to watermarking system to realize multiple watermark resolution.

In code-division multiple-access (CDMA) systems, multi-access interference (MAI) and near-far problems are the predominant factor.

It focuses on the system architecture, CDMA air interface and PON as access network, and gives the cell format in transport.

The best immediate option for Apple may be China Telecom, which uses a CDMA technology that the iPhone can use.

Block error rate (BLER) is used for W-CDMA performance requirements tests (demodulation tests in multipath conditions, etc).

Nortel's CDMA unit, while in decline, earned about $700 million a year.

The synchronization algorithms for MC-CDMA can be loosely grouped into non-blind algorithms and blind algorithms.

A blind channel estimation method is presented for the Multiple-Input-Multiple-Output (MIMO) CDMA system employing long spreading codes.

Wideband Code Division Multiple Access, or W-CDMA, is a cellular network supporting a wide range of voice, video and data services.

When RF traffic on either the CDMA uplink or downlink approaches capacity, Audio Quality degrades due to high speech frame erasures .

The realization of location to GSM and CDMA mobile system mainly depends on such GPS technology as arrival time, angle of arrival.

A beamforming algorithm suitable for mitigation of multi access interference in code division multiple access (CDMA) system is presented.

This paper first analysis of the current GSM and CDMA networks Intelligent Network network structure and billing process.

The invention reduces cost for maintaining CDMA small exchange, raises efficiency and possesses better expandability.

The authors propose a data detection algorithm designed for downlink of CDMA systems which introduce channel equalization to eliminate MAI.

A low-complexity joint angle and delay estimation algorithm is presented for asynchronous DS-CDMA systems under multipath propagation s .

The wireless application of low noise receiver module is introduced form cellular mobile, GPS, CDMA and satellite communication.

Secondly, The optimal CDMA receiver in AWGN channel is a NP complexity problem in synchronous and asynchronous transmission.

Connect high sit the core that possesses multinomial CDMA is patent, can obtain sudden huge profits through intellectual property.

Code Division Multiple Access (CDMA) is a relatively new entrant into the commercial mobile-wireless world.

Feasible cellular planning is needed to realize the overwhelming advantage of CDMA on capacity.

An adaptive congestion control algorithm in code division multiple access (CDMA) systems from the aspect of reducing cost is proposed.

In comparison with slotted CDMA packet networks, unslotted CDMA packet networks are more difficult for performance analysis.

CDMA allows multiple frequencies to be used simultaneously (Spread Spectrum).

GSM Short Message Machine, CDMA mass message machine, monthly cards message, voice message pager group size only matchbox size.

On March 16, it launched the iPhone in South Korea, where nearly three out of four handsets are CDMA mobile phones.

Before CDMA came into operation in China, the whole mobile communication market was monopolized by China Mobile.

GPS system combines CDMA technology and trilateration method to get the precise positions of the receivers.

One of the key problem of CDMA mobile communication system has to settle is the coverage efficiency.

China Unicom CDMA system and GSM system often operating in the same site are a representative example.

A novel scheme of estimating the carrier frequency offset in CDMA system with the continuous pilot channel is proposed.

Communications assistant (Cdma network) business is just this kind of business.

The improved piecewise linear chaotic mapping is presented to generate the spreading codes for DS -CDMA system in this paper.

EV-DO is a interference system and the techniques of CDMA (Code Division Multiple Access) are used in reverse link.

A little closer to home, and with signals going both ways, are "wide-area" mobile-phone technologies such as GSM or CDMA.

In the Code-Division-Multi-Access (CDMA) communication system, all consumers share the same physical channel.

Thus, the collection of the technical merits of the two systems, OFDM-CDMA system, has become the focus of attention.

Deep research of the basic theory about MC-CDMA and Remote Control and Telemetry system hand been done.

Intersymbol interference (ISI) and multiaccess interference (MAI) are two major impairments on the performance of CDMA systems.

It is found that the performance of system can be optimized by changing the SR in CDMA system.

Recently, for the reception of DS-CDMA signals, the MMSE frequency domain equalization is applied instead of RAKE combining.

MC-CDMA is a multi-carrier modulation method presented for broadband mobile communications.

Multiple access interference (MAI) is a major factor which limits the capacity and the performance of CDMA systems.

The above work makes the theoretical results practical in cellular planning of CDMA wireless network.

To apply adaptive allocation algorithm to MC-CDMA, a high efficiency MC-CDMA adaptive allocation algorithm is proposed in this thesis.

The sets of ZCZ sequence pairs constructed from the method can be suitable for quasi-synchronous CDMA systems.

It has been three years since CDMA's commercial ulitilization, rapid development has already been achieved .

The comparison of single code and multicode schemes transmitting in high and variable rate services in broadband CDMA system is prosecuted.

WwW. zIdiR. coM CDMA network optimization is to optimize the whole network system in one of the most basic and most important work.

Then, the multiuser receiver in the up-link of LEO satellite DS-CDMA systems is designed, and the simulation results are given.

He says: "TD-CDMA will give instrument appearance to wait measure equipment supplier to bring unprecedented market opportunity. "

But current models of the iPhone in China would be incompatible with the CDMA technology used by China Telecom's network.

worked in the growth of North-Electrical switching equipment for CDMA office, Zibo and Qingdao Unicom.

ZTE ranked second, followed by Motorola, who surpassed LG to further cement its position in the CDMA market.

CDMA product has fair circumstance of social economy and industry development.

This paper deals with the capacity of hybrid channel allocation (HCA) over CDMA network.

The algorithm is derived from the maximum-likelihood (ML) rule in the wide-sense stationary un-correlative scattering channel (WSSUS).

In this thesis, we focus on the simulation analysis of the performance for MIMO Multicarrier CDMA uplink system.

By unified signal model of antenna array Multicarrier DS-CDMA system, the subspace-based blind channel estimation is achieved.

The estimation of time-delay for COMA system is a nonlinear iterative process.

Antenna array Multicarrier DS-CDMA is promising ior further mobile communication application.

Based on CDMA technology, SCDMA technology was developed independently by Beijing Xinwei Telecom Technology Company.

This thesis focuses on soft handoff algorithm optimization for CDMA system.

Secondly, to CDMA system of spread spectrum communication technology are analyzed in theory.

At the end of the first quarter of 2009, there were 480 million subscribers to the CDMA family of technologies worldwide.

As the biggest domestic CDMA equipment provider, the future growth of ZTE Lucent was deemed optimistic by many.

Two resource allocation schemes are proposed to minimize the transmission time in multimedia CDMA systems.

Conventional CDMA's system always have low frequency utilization ratio which is thanks to multi-access interference.

As a result, the updated and rely on different codes to distinguish the different machines CDMA technology have emerged.

That made sense, since Verizon Wireless, with 94 million customers, represents the world largest market for CDMA mobile phones.

Additionally still GSM and chip of CDMA mobile phone and car use odd chip processor.

for the CDMA network equipment supplier to China Unicom.

Most European mobile operators provide customers with mobiles that use 3G technology called W-CDMA.

A subspace-based channel estimation is studied for Multicarrier DS-CDMA system with antenna array.

CDemu package provides two optional client: Based on the command line (cdma-client) and GNOMEs panel applet- (wcdma).

There is also a possibility of the largest mobile network operators, including CDMA, GSM operators.

Channel estimation in OFDM and the spreading code in CDMA are researched in this paper.

Unicom will also sell the business operations connected to the CDMA network to China Telecom for 43. 8 billion yuan in cash.

This paper proposes a subspace-based semiblind channel estimation method in MC-CDMA systems.

Under the conditions of optimal radixes, this orthogonal PN codes can also apply to asynchronism CDMA communication systems.

A new beamforming method for CDMA downlink systems is proposed.

Results show that MC-CDMA system with array antennas has the best performance because of frequency diversity and space diversity.

Besides the perfection of network coverage, the CDMA 1X digital business will be available in all cities and regions.

Nokia states that the 6650 has passed all regulatory W-CDMA and GSM type approval tests.

The influence of UWB system on CDMA downlink capacity has been analyzed in this paper.

Multiuser detection is a key technique in DS CDMA systems.

Some US operators use another 3G technology known as CDMA 2000.

The task of the project is the R&D of CDMA broad band repeater.

Adoption of strictly band-limited direct-sequence CDMA signal utilising square-root raised-cosine chip shaping [4].

Collection terminals and supervision center were communicated with each other by CDMA 1X network.

At present, China Telecom use the scheme to transition and 3G networks have been built in the CDMA IS95.

China Mobile's 3G network used a homegrown Chinese standard called TD-SCDMA, and China Telecom uses CDMA-2000 technology.

CDMA's 20 percent market share drives ample research and development on new gear.

After investing billions to develop and commercialize the TDS-CDMA technology, Beijing finds few takers in China or elsewhere.

In the past, Nokia has had a smaller presence in CDMA.

The paper focuses on the handoff of CDMA systems.

The wireless video transmission in the video surveillance system based on TMS320DM642 and CDMA was intro- duced.

The 3G version of the iPad 2 apparently uses an integrated transceiver chip set that works on both CDMA and GSM 3G networks.

It discusses the deployed methods of vocoder in CDMA telecommunication based on IP and brings forward a kind of managed arithmetic.

This paper analyzes the basic principles of three kinds of multi-carrier CDMA schemes and then compares their system features.

In the beginning of CDMA system construction, some area can not be covered because of lacking Base Stations.

In this paper, MSS is a kind of System which can be used on mobile phone and can help people to trade their stocks.

While Germany's cdma in the design, manufacture and technical performance, and so is leading.

It is reported that a CDMA issue of dilatancy project launches gradually at present.

At the same time, China Unicom is also producing more customized products for the CEMA market.

The world's most common 3G technology is WCDMA, while CDMA 2000 is used by a few carriers in the U. S. and countries such as South Korea.

CDMA system framework and key technologies, such as interface protocol.

DOA estimation algorithm based on 4-th cumulant for CDMA system is proposed.

This is Chinese CDMA product in Indian market apply first.

We want to buy CDMA Phones, Parts, Accessores Mobile Phones and Accessories.

Under the restructuring Telecom has agreed to pay a hefty Rmb110bn ($15. 8bn) to buy a wireless business from Unicom.

code division multiple access CDMA ; channel estimation ; delay estimation ; multi-antenna technology ; synchronization algorithm

Industry: Phone with accessories; Communication processing; Transmission, switching equipment; SMS System; CDMA mobile phone;

Industry: Mobile telephone; Switch; Transmission, switching equipment; Access equipment; CDMA mobile phone; PHS;

Industry: Mobile telephone; Electronics manufacturing equipment; Fixed wireless; CDMA mobile phone; GSM mobile phone;

Industry: Antibody, antigen; Biological diagnostic reagents; Inspection of equipment; GSM mobile phone; CDMA mobile phone;

Industry: Fixed wireless; GSM mobile phone; CDMA mobile phone; Wireless network equipment; Communication processing;

Industry: Computer processing; Electronic assembly process; Chip Processing; CDMA mobile phone; Toy snakes; Router;

General specification of satellite communication earth station for shipborne communication equipment for CDMA

Industry: Phone with accessories; Software Development; Management Consulting; SMS System; CDMA mobile phone;

Industry: GPS System; Transmission, switching equipment; Mobile telephone; Fixed wireless; CDMA mobile phone;

Industry: Notebook; Digital Cameras; Digital Camera; Typewriter, cutting plotter; GSM mobile phone; CDMA mobile phone;

Industry: PHS; GSM mobile phone; CDMA mobile phone; Communications antenna; Fiber Amplifier; Network Test Equipment;

Industry: Plastic Machinery; Pocket Cinema; Ordinary telephone; Touch screen phone; GSM mobile phone; CDMA mobile phone;

Industry: Communication Products Agents; Phone headset; PHS; GSM mobile phone; CDMA mobile phone; Cell phone hands-free devices;

Industry: GSM mobile phone; CDMA mobile phone; Infrared Adapter; Bluetooth Adapter; Phone connector; Music center;

Industry: GSM mobile phone; CDMA mobile phone; Satellite Mobile Phone; Camera phone; Bluetooth Adapter; SIM card connector;

Industry: Interphone; Ordinary telephone; Cordless telephone; PHS; GSM mobile phone; CDMA mobile phone;

Industry: CDMA mobile phone; GSM mobile phone; Other mobile phone with accessories; Other fixed-line; Network card, wireless card;

Industry: Ordinary telephone; CDMA mobile phone; GSM mobile phone; Dialer; Satellite Mobile Phone; Call Monitor;

Industry: GSM mobile phone; CDMA mobile phone; Camera phone; Infrared Adapter; Phone headset; Bluetooth Adapter;

Industry: Fixed telephone; Fixed wireless; Cordless telephone; GSM mobile phone; CDMA mobile phone; Phone card;

Industry: Voice Response System; Mobile telephone; Phone with accessories; CDMA mobile phone; GSM mobile phone;

Industry: Basketball Shoes; Toy Agents; Apparel Agents; Arts & Crafts Agents; GSM mobile phone; CDMA mobile phone;

Industry: GSM mobile phone; CDMA mobile phone; Other Mobile Phones; Camera phone; Mobile phone shell; Mobile phone screen;

Industry: Other Mobile Phones; CDMA mobile phone; Mobile phone shell; Phone keys; Other mobile phone with accessories; In the box;

Industry: Memory; Notebook; Digital Cameras; Digital Camera; GSM mobile phone; CDMA mobile phone;

Industry: Fixed wireless; GSM mobile phone; CDMA mobile phone; Dialer; Mobile Phone Battery; Other phone cards;

Industry: Mobile phone with accessories; Emergency Charger; CDMA mobile phone; GSM mobile phone;

Industry: GSM mobile phone; CDMA mobile phone; Camera phone; Bluetooth Adapter; Data line; Phone headset;

Industry: GSM mobile phone; CDMA mobile phone; Phone headset; Camera phone; Bluetooth Adapter; Data line;

Industry: Ordinary telephone; Caller ID phone; IP telephone; Fixed wireless; CDMA mobile phone;

Industry: GSM mobile phone; CDMA mobile phone; Other Mobile Phones; Mobile Phone Battery; Phone headset;

Industry: GSM mobile phone; CDMA mobile phone; Other Mobile Phones; Other phones with accessories;

Industry: Fixed wireless; CDMA mobile phone; Other Mobile Phones; Access equipment;

Industry: GSM mobile phone; CDMA mobile phone; 3G mobile phone; Satellite Mobile Phone; Other Mobile Phones; Other frequency components;

Industry: Pet Supplies; Phone with accessories; Flash Products; CDMA mobile phone;

Industry: PHS; CDMA mobile phone; 3G mobile phone; Optical Receiver; Electronics manufacturing equipment;

Industry: Fixed wireless; GSM mobile phone; CDMA mobile phone; Card; Other phone cards; Group Phone;

Industry: Other card type; Other dress shoes; CDMA mobile phone; Integrated companies;

Industry: GSM mobile phone; CDMA mobile phone; 3G mobile phone; Phone headset; Bluetooth Adapter; Other phones with accessories;

Industry: GSM mobile phone; CDMA mobile phone; Infrared Adapter; Bluetooth Adapter; Caller ID phone; 3G mobile phone;

Industry: GSM mobile phone; CDMA mobile phone; 3G mobile phone; Other fixed-line; Other Mobile Phones; Mobile phone charger;

Industry: GSM mobile phone; 3G mobile phone; Touch screen phone; CDMA mobile phone; Bluetooth Adapter; Camera phone;

Industry: GSM mobile phone; Video phone; CDMA mobile phone; 3G mobile phone; Mobile phone charger; Voice - Fax Gateway;

Industry: GSM mobile phone; 3G mobile phone; CDMA mobile phone; Other Mobile Phones; Other phones with accessories;

Industry: PHS; GSM mobile phone; CDMA mobile phone; 3G mobile phone; Satellite Mobile Phone; Other Mobile Phones;

Industry: Ordinary telephone; Video phone; IP telephone; CDMA mobile phone; 3G mobile phone; Switch;

Industry: Satellite Mobile Phone; 3G mobile phone; CDMA mobile phone; GSM mobile phone; PHS; Touch screen phone;

Industry: Satellite Mobile Phone; CDMA mobile phone;

ZTE has won the last three bidding for Unicom's CDMA network, and they currently owns 20% of the domestic market share for CDMA equipments;

Industry: GSM mobile phone; PHS; CDMA mobile phone; Other fixed-line; 3G mobile phone; Satellite Mobile Phone;

Industry: Other fixed-line; PHS; GSM mobile phone; CDMA mobile phone; 3G mobile phone; Other Mobile Phones;

W Website Wide Area Network, WAN Wideband CDMA, WCDMA WORK AREA SUBSYSTEM WWW

Instruction to installing SAMSUNG CDMA USB Modem driver

Network Access Test Requirements on CDMA Equipment GSM

VSCRF-CDMA Variable Spreading Coding Repetition Factor CDMA

In this paper, we propose a multiple access scheme based on a hybrid combination of TDMA and CDMA

I-CDMA Spread Spectrum Systems Air Interface Standard - Stage 3 Text

CDMA TDD CDMA Time Division Duplex