Download An Experimental Approach to CDMA and Interference by Luca Fanucci, Marco Luise, Filippo Giannetti, Massimo Rovini PDF

By Luca Fanucci, Marco Luise, Filippo Giannetti, Massimo Rovini

An Experimental method of CDMA and Interference Mitigation was once written with the admittedly bold cause of filling the space among communique concept and VLSI implementation, and therefore to supply a extra general/theoretical method of the layout, improvement, and checking out of a CDMA receiver. as a result, the techniques and methods which are awarded develop into appropriate to a extra basic form of electronic instant modems when it comes to receiver structure layout and implementation.
As the reader will simply discover, the topic of electronic modem layout and implementation is addressed within the booklet ranging from a theoretical method (supported by way of right bibliographic references), and is by way of software concerns, almost about an ESA test assumed as a case research. a whole layout circulation, from specification to implementation, together with checking out and ultimate verification is then awarded. This leads the reader step by step to a radical realizing of CDMA transmission and detection, and constitutes a realistic suggestions for the layout of VLSI instant cellular terminals.

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Extra resources for An Experimental Approach to CDMA and Interference Mitigation: From System Architecture to Hardware Testing through VLSI Design

Example text

Since then programmable logic arrays, standard cell, macrocells, module compilers, gate arrays, and reconfigurable hardware have steadily helped to ease the time and cost of mapping a function onto silicon. Today semiconductor technology allows the integration of a wide range of complex functions on a single die, the SoC concept already mentioned. 13 µm chips, mask costs of $600,000 are not uncommon); ii) increase performance predictability reducing the risk involved in complex SoC design and manufacturing as a re- 1.

The basic idea underlying this early spread spectrum concept consists in partitioning the overall spectrum into K separate channels or bands (also referred to as frequency bins), all having the same bandwidth as the signal to be transmitted. Spectrum spreading is achieved by transmitting the (conven- 28 Chapter 2 tional) narrowband signal into one bin for a given time interval Thop , and then by randomly changing the carrier frequency of the modulator so as to place the signal spectrum in another bin, and so forth.

The ADC conversion rate of r (t ) is, in fact, invariably faster than the chip rate to perform chip matched filtering with no 41 2. Basics of CDMA for Wireless Communications aliasing problems. We shall say more about the digital architecture of the DS/SS receiver in Chapter 3 when dealing specifically with the MUSIC demodulator. ~ ~ r(t) ~ ym y(t) Chip Pulse Matched Filter 1 M g (t) R ^ ^ exp{-j2S'ft+T} Carrier Recovery mTc + W^ Code-Delay Recovery 6 M ~ zk ^ ~ dk cm Local Code Replica Figure 2-11.

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