Essays about: "CDMA and WCDMA"

Showing result 1 - 5 of 6 essays containing the words CDMA and WCDMA.

  1. 1. Evaluating the Catching-up Process of China’s Mobile Communication Industry

    University essay from KTH/Industriell ekonomi och organisation (Inst.)

    Author : DAITIAN LI; [2011]
    Keywords : Catching-up; Leapfrogging; 3G; TD-SCDMA; Mobile industry; China; Technological capability; Market success;

    Abstract : The mobile communication technology has evolved from the first generation (1G), when the first radiotelephone service was introduced in the US in late 1940s, to the third generation (3G). In each generation, different standards and technologies were promoted by technologically and economically advanced countries. READ MORE

  3. 2. Evaluation of Word Length Effects on Multistandard Soft Decision Viterbi Decoding

    University essay from Elektroniksystem

    Author : Ahmed Salim; [2011]
    Keywords : Soft-Decision Viterbi; Tail-biting; Zero-tail; Direct Trace-back; Word Length effects; floating point quantization; BER analysis;

    Abstract : There have been proposals of many parity inducing techniques like Forward ErrorCorrection (FEC) which try to cope the problem of channel induced errors to alarge extent if not completely eradicate. The convolutional codes have been widelyidentified to be very efficient among the known channel coding techniques. READ MORE

  4. 3. Digital Power Detector for WCDMA Transmitter

    University essay from Lunds universitet/Institutionen för reglerteknik

    Author : Robert Carlzén; Robert Nilsson; [2008]
    Keywords : Technology and Engineering;

    Abstract : A 3G mobile phone must have the ability to control its output power with high precision. A power detector is used to measure the actual power outputted by the power amplifier to the antenna. With higher data rates the traditional implementations with peak detectors have become very difficult to use, which is why true RMS detectors are needed. READ MORE

  5. 4. DATA PROCESSING DESIGN OF WIDEBAND CODE DIVISION MULTIPLE ACCESS (WCDMA)

    University essay from Blekinge Tekniska Högskola/Avdelningen för signalbehandling

    Author : THUMATI VENKATA RAO; [2007]
    Keywords : WCDMA;

    Abstract : Wideband Direct-Sequence Code Division Multiple Access (W-CDMA) is the emerging protocol for the next generation (3G) wireless communication systems. W-CDMA has been designed to add features such as multimedia capabilities, high data rates and multi-rate services to the existing wireless communication framework. READ MORE

  6. 5. Study Comparison of WCDMA and OFDM

    University essay from Blekinge Tekniska Högskola/Avdelningen för telekommunikationssystem

    Author : Moyamer Chowdhury; Aminul Alam; [2007]
    Keywords : TDMA; FDM; CDMA; WCDMA; OFDM;

    Abstract : Wideband Code Division Multiple Access (WCDMA) is one of the main technologies for the implementation of third-generation (3G) cellular systems. It is based on radio access technique proposed by ETSI Alpha group and the specifications was finalised 1999. READ MORE