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a k 1 k 3 and n 2 convolutional code is characterized by g1 001 and g2 1011 draw the state diagram for the
the block diagram for a convolutional code is given in figure p8101 draw the state transition diagram for this code2 is
a voice-band telephone channel passes the frequencies in the band from 300 to 3300 hz it is desired to design a modem
figure p97 illustrates a block diagram of a qam or psk modulator and demodulator modem in which the modulated signals
an ideal voice-band telephone line channel has a band-pass frequency-response characteristic spanning the frequency
determine the bit rate that can be transmitted through a 4-khz voice-band telephone bandpass channel if the following
determine the probability of error for binary orthogonal signaling with lth-order diversity over a rayleigh fading
repeat problem 1219 when fast frequency hopping is performed with l hops per coded bit and the decoder is a
a multipath fading channel has a multipath spread of tm 1 s and a doppler spread bd 001 hz the total channel
repeat problem 1223 for the worst-case partial-band interference channelproblem 1223the tats signal described in
the parity polynomials for constructing gold code sequences of length n 7 aregenerate all the gold codes of length 7
the scattering function stau lambda for a fading multipath channel is nonzero for the range of values 0 le tau le 1 ms
repeat problem 1219 for hard-decision viterbi decodingproblem 1219determine the error probability for an fh spread
a fading channel model that is flat in both time and frequency can be modeled as y rx n where the fading factor r
consider the channel model shown in figure 142-1 assume that the top channel is a noiseless bsc channel for which
a ds spread spectrum system is used to resolve the multipath signal components in a two-path radio signal propagation
consider the channel model shown in figure 142-1 and assume both channel components are bsc channels with crossover
consider a deterministic miso channel with awgn in which the elements of the channel vector h satisfy the conditions
the outage probability of a diversity combiner is defined as the percentage of time the instantaneous output snr of the
determine the decision variables for the separate ml decoding of the symbols in the rate 12 orthogonal stbc given by
determine the probability of error for the detector with input metrics given by equation 153-5 for bpsk modulation and
for a rayleigh fading channel and bpsk modulation determine the performance of a miso 2 1 system employing the alamouti
the channel matrix in an nt nr 2 mimo system with awgn isa determine the svd of hb based on the svd of h determine an
design the frp for a simply supported beam with length l 7 m the external uniform dead and live loads are wdl 1125
myth in culture and the artsexamine how a myth influenced or inspired something specific in culture or the artsthis