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The exhaustive list of topics in 3G and 4G Wireless Mobile Communications in which we provide Help with Homework Assignments and Help with Projects is as follows:

  • Wireless Communications and Diversity:
    • Fast Fading Wireless Channel Modeling.
    • Rayleigh/Ricean Fading Channels.
    • BER Performance in Fading Channels.
    • Diversity modeling for Wireless Communications.
    • BER Performance Improvement with diversity.
    • Types of Diversity – Frequency, Time, Space
  • Broadband Wireless Channel Modeling:
    • WSSUS Channel Modeling, RMS Delay Spread.
    • Doppler Fading, Jakes Model, Autocorrelation.
    • Jakes Spectrum.
    • Impact of Doppler Fading.
  • Cellular Communications:
    • Cellular Communications.
    • Frequency reuse.
    • Multiple Access Technologies.
    • Cellular Processes - Call Setup, Handover etc..
    • Teletraffic Theory.
  • CDMA:
    • CDMA.
    • Walsh codes, Variable tree OVSF.
    • PN Sequences.
    • Multipath diversity, RAKE Receiver.
    • CDMA Receiver Synchronization.
  • OFDM.
    • OFDM.
    • Multicarrier Modulation and Cyclic Prefix.
    • Channel model and SNR performance.
    • OFDM Issues – PAPR.
    • Frequency and Timing Offset Issues.
  • MIMO:
    • MIMO, MIMO Channel Capacity.
    • SVD and Eigenmodes of the MIMO Channel.
    • MIMO Spatial Multiplexing – BLAST.
    • MIMO Diversity – Alamouti, OSTBC, MRT.
    • MIMO - OFDM
  • UWB (Ultrawide Band):
    • UWB Definition and Features.
    • UWB Wireless Channels.
    • UWB Data Modulation.
    • Uniform Pulse Train.
    • Bit-Error Rate Performance of UWB.
  • 3G and 4G Wireless Standards:
    • GSM.
    • GPRS.
    • WCDMA.
    • LTE.
    • WiMAX.