Advanced Search

3G/IMS Strategy

Introduction Wireless networks:  A historical perspective Advantages and disadvantages of legacy technologies 2G and 3G Basics Key terminology Modulation types & schemes Evolution of standards Comparing and contrasting 3G vs. 2G Deployment costs Monetization of spectrum IMS Basics Key terminology Comparing and contrasting IMS with legacy, circuit switched networks IMS layers, concepts, and elements Definitions/functions…

3G: WCDMA/UMTS & CDMA2000

Digital Modulation Overview Introduction to key wireless standards IS-95,  GSM Multiple access principles (TDMA, CDMA, FDMA, SDMA) Complex envelope representation of signals and systems Stochastic theory review Digital modulation theory BPSK, QPSK, OQPSK, MSK, GMSK, 16QAM, 64QAM, etc. Pulse shaping filter selection Nonlinear amplification (spectral regrowth) Spread spectrum: Frequency Hopping, Direct Sequence CDMA, RAKE Receiver,…

3G: WCDMA/UMTS & CDMA2000 in Depth

Digital Modulation Overview Introduction to key wireless standards IS-95,  GSM Multiple access principles (TDMA, CDMA, FDMA, SDMA) Complex envelope representation of signals and systems Bridge relationship to actual hardware Provide mathematical insight Support computer simulation Stochastic theory review Digital modulation theory BPSK, QPSK, OQPSK, MSK, GMSK, 16QAM, 64QAM, etc. Pulse shaping filter selection (Nyquist and…

All Wireless: 5G, 4G LTE, UMTS, GSM, WiMAX, CDMA, M2M, IoT, SDN, Security

All Wireless: 5G, 4G LTE, UMTS, GSM, WiMAX, CDMA, M2M, IoT, SDN, Security   All Wireless: 5G, 4G LTE, UMTS, GSM, WiMAX, CDMA, M2M, IoT, SDN, Security – Part 1: Introduction to Cellular Communications   Cellular System Concepts Base stations Mobile stations Mobile switching center Uplink and Downlink Duplexing Time Division Duplexing (TDD) Frequency Division…