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Recent content by wee

  1. wee

    Maximum Liklihood Decoder for 16QAM?

    Hi all, May i know what is the difference for Maximum Likelyhood Detection for GMSK and QAM? Thank you.
  2. wee

    Inbuilding Propagation Modeling for Wireless Network

    Hi all, I am currently undertaking this project for my final year. Have anyone undergo this project before? What should i take note? If so, please do kindly advice and spare me some precious materials. I will probably be using either a TEMS or NEMO to measure the signal strength and derive the...
  3. wee

    How do equalizers work?

    Re: How Equalizers work? Hi brmadhukar, Yes. The simulation is done in MatLab. With regards to the timing errors, how do i disable it? Shall i assume total synchronization in the multipath signals by aligning all to zero phase? Pleae advice. Thank you. Regards, Wee
  4. wee

    Suggest me some references on HSDPA simulation

    hspa simulator Anyone care to input? Thanks. :D
  5. wee

    Suggest me some references on HSDPA simulation

    hsdpa simulator Any experts out there who knows about this topic? Please advice. Thank you. :D
  6. wee

    How do equalizers work?

    Hi all, I would like to know more about the functionality of Equalizers? For example in a GSM Modulation and De-modulation stage. The signal is modulated with GMSK scheme and demodulated at the receiver (assuming synchronized network) and then passed through a bandpass filter same as the...
  7. wee

    Suggest me some references on HSDPA simulation

    Hi all, I am currently looking into HSDPA theory for simulation purpose. All i know is this method applies only to the 3G Network of modulation type - QPSK and 16QAM. The system will detect the CQI from the MS and assisgn the modulation technique based on the distance which is called the...
  8. wee

    Need help with code for generating BER analysis for a digital system

    Re: BER Generation Hi mahdithdn, It should be snr=10^(snr_in_db/10); Thanks. :D
  9. wee

    Need help with code for generating BER analysis for a digital system

    Hi all, I am trying to generate BER Analysis for a digital system. Here are my codes. snr_initial=1; snr_step=0.05; snr_final=30; snr_in_dB=snr_initial:snr_step:snr_final; for i=1:length(snr_in_dB)-1 loop=600; nerror=0; nBitsTx=0; for ii=1:loop...
  10. wee

    RF or Antenna Project

    Hi akedar, Do you have a copy of Mailloux's book? Please do upload. Thank you so much. Regards.:D
  11. wee

    RF or Antenna Project

    Hi memarian, Do you have a rough break down on this project implementation? You help is deeply appreciated. Thank you. Regards.
  12. wee

    RF or Antenna Project

    Hi all, I will be taking my Final Year Project soon. I am pretty interested in an RF/Antenna project. Can any kind souls please advice on any, please? A hardware, software or even both? Thank you. Regards.
  13. wee

    Channel Estimation and Equalization

    gmsk viterbi Hi mimomod, Please check your pm. Thank you. Regards, Wee
  14. wee

    Channel Estimation and Equalization

    baseband representation Hi mimomod, Thank you very much for the reply. In fact, i have successfully created the GMSK model through Fading and AWGN Channels. To analyse the BER of this algorithm, i implement a Viterbi algorithm after the demodulation for estimation. However, when i compared...
  15. wee

    Please recommend textbook of communication system.

    communication systems recomm book Try Simon Haykin's Digital Communications Book.

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