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TechRepublic Resources
- Calling compatably, from the peak of Mt. Everest
- Calling compatably from the peak of Mt. EverestIf you’re in North America on Sprint, Verizon, Bell Mobility or other CDMA providers, how much do you like having a phone you can’t use overseas?I'm in North America, so ...I don't mind at all.[i]If you’re in North America on Sprint, Verizon, Bell...
- Tags: Cellular phones, johnbartley, CDMA provider
- Discussion threads 2007-05-29
Additional Resources
- CDMA-Gone with the Wind?
- This white paper presents the main issues in the world CDMA market. Lately, there have been many rumors and doubts over the future of CDMA, and these are expected to have an impact on the main CDMA handset manufacturers, especially in Korea and suggest that in the long term, also...
- Tags: CDMA, CDMA Technology, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2006-08-01
- GSM or CDMA: The Commercial and Technology Challenges for TDMA Operators
- This white paper reviews and discusses the options open to TDMA/IS-136 network operators for migrating to third generation (3G) wireless technologies. In particular, it addresses the suitability of CDMA2000 1X (formerly called CDMA/IS-95-C, CDMA 1xRTT, or cdma2000 1x), and its future derivatives CDMA 1xEV-DO and CDMA 1xEV-DV, as a 3G...
- Tags: CDMA, TDMA, GSM, CDMA Development Group, 3G, Cellular Phones, Wireless, Consumer Electronics, Personal Technology
- White papers 2001-06-01
- Capacity of CDMA Systems
- This paper presents an overview of the Capacity of Code Division Multiple Access CDMA Systems. In the past decade, it has been shown that CDMA is the most suitable multiple access transmission technology for Mobile Communications and all the 3rd Generation Mobile Communication Standards suggest CDMA for the Air-Interface. The...
- Tags: CDMA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2000-11-14
- Power Control Algorithm in CDMA Systems
- In this paper a power control techniques for CDMA system is presented. Power control is the most important system requirement for CDMA systems. For CDMA system to function effectively, one need to control the power; if power control is not implemented many problems such as the near-far effect will start...
- Tags: Algorithm, CDMA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2004-05-15
- Power-Control-Based Band Allocation in Multiband CDMA
- Multiband CDMA is useful for constructing DS-CDMA CDMA systems over a non-contiguous spectrum. The method by which users are assigned to their respective frequency bands, termed 'band allocation', is an important part of assuring good performance in multiband CDMA systems. This paper proposes a novel approach to band allocation based...
- Tags: CDMA, Allocation, Multiband CDMA
- White papers
- OFDM-CDMA Versus DS-CDMA: Performance Evaluation for Fading Channels
- In Code Division Multiple Access CDMA systems Direct Sequence DS applying Maximum Ratio Combining MRC at the receiver has achieved high interest for mobile communications. A second and rather novel technique is Orthogonal Frequency Division Multiplexing OFDM applying Maximum-Likelihood Detection MLD at the receiver. In this paper the performance of...
- Tags: Performance, Performance Evaluation, Analysis, Performance Management, Productivity, OFDM, Human Resources, Workforce Management, Wireless
- White papers 2003-12-09
- Enabling CDMA 1X Data Roaming
- CDMA wireless technology is generally available worldwide but is non-existent in Western Europe. Subscribers of CDMA networks who are reliant on wireless connectivity for data services are demanding that they have ubiquitous access, even when in Europe. Without this ability, their only option is to change their CDMA device for...
- Tags: CDMA, CDMA Wireless Technology, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2005-06-03
- W-CDMA v. CDMA2000
- This white paper compares two methods, W-CDMA (Wideband-CDMA) and CDMA2000. Wideband-CDMA (W-CDMA), the transmission technology for third generation (3G) UMTS mobile communication, can be implemented by migrating via GPRS and EDGE on the 2G network infrastructure of the GSM standard that is used in Europe and worldwide. W-CDMA allows transmission...
- Tags: W-CDMA, Mobile, Mobile Communication, CDMA2000, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2003-04-14
- Over-the-Air Provisioning in CDMA
- CDMA is a digital wireless technology that offers a number of advantages over other mobile communication technologies. Frequency reuse, power control, enhanced voice privacy and soft handoff are some of them. Smart Cards, known as R-UIM Removable User Identity Module, are widely used in CDMA phones these days. This paper...
- Tags: CDMA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2004-10-01
- CDMA 2000 EV-DO Revision B
- CDMA2000 is a 3G technology consisting of voice and data traffic. Voice traffic is often referred to as CDMA 2000 1X and data as CDMA EV-DO. The CDMA 2000 delivers the highest voice efficiency in the wireless industry, and EV-DO is clearly the market leader for high speed wireless mobile...
- Tags: CDMA, Network, EVDO, Wireless, CDMA2000, Voice Traffic, CDMA 2000, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2006-05-01
- White Paper on CDMA
- The first generation of mobile telecommunication was analogue and voice only. With 2G came data, messaging and the onset of digital. CDMA is one of the most important 2G mobile networks in the world. CDMA provides the flexibility to trade off between coverage, capacity, and call quality. It enables a...
- Tags: CDMA, Gemplus, 2G, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2002-01-03
- Optical CDMA With Optical Orthogonal Code
- This paper examines optical CDMA communication techniques with optical orthogonal codes. Simulations that show the desired properties of theses codes and their use in optical CDMA are reported in the paper. Based on the simulations, the paper investigates the properties of optical CDMA. Probability of error is also evaluated in...
- Tags: CDMA, University Of Texas, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2002-12-11
- Telecom Egypt Case Study for CDMA
- For Egypt, villages are either allocated in a scattered way within certain area or allocated cascaded along certain road or along the Nile River. They may be also connected with primary access network infra-structure or not connected. Telecom Egypt has decided to serve villages that represent suburban and rural areas...
- Tags: CDMA, Telecommunications, Telecom Egypt, Cellular Phones, Consumer Electronics, Personal Technology
- Case studies
- Wideband Code Division Multiple Access (W–CDMA)
- Wideband code division multiple access (W–CDMA) is a CDMA channel that is four times wider than the current channels that are typically used in 2G networks in North America.European Telecommunications Standards Institute ETSI decided to choose the W–CDMA technology to be the multiple access techniques for the third-generation mobile telephone...
- Tags: W-CDMA, Mobile, CDMA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers
- Decentralized Rate Assignments in a Multi-Sector CDMA Network
- This paper considers a wideband CDMA network with arbitrary but known layout of sectors and base-stations, and with variable mobile rates. The paper investigates the issue of rate assignment in a CDMA network. The paper shows that in a broadband wireless data system based on a wideband CDMA technology, there...
- Tags: CDMA, University Of Washington, Cellular Phones, Consumer Electronics, Personal Technology
- White papers
- how to build sms service center using cdma technology??
- plz do any one tell me abt this its urgent, this service is already in working condition but on gsm , now i want to shift it to CDMA.
- Tags: Cellular phones, nouman_bsc125@..., CDMA, SMS
- Discussion threads 2007-08-08
- MC-CDMA
- i am wondering if there is anyone that has the simulation of an MC-CDMA modulation system, i wish to compare my results with anyone? thanks
- Tags: sqoches@..., MC-CDMA
- Discussion threads 2007-09-04
- mc-cdma
- Hello, i am looking for a simulation of MC-CDMA system in simulink.i am working on powerline communication, is there anyone that can help?
- Tags: sqoches@...
- Discussion threads 2007-08-22
- ADC Telecommunications Case Study: Coastline Highway and Interior Canyons
- Two service providers were challenged with providing wireless service in the rural canyons along the California coastline. One provider utilized Analog Modulation AMPS and Digital Modulation CDMA to provide 800 MHz mobile phone service, and the other provider utilized Analog Modulation AMPS and Digital Modulation TDMA for its 800 MHz...
- Tags: ADC Telecommunications Inc., Cellular Phones, Consumer Electronics, Personal Technology
- Case studies
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