Pei-Che Chang

im2 ber spread spectrum ofdm im3 sensitivity power spectrum density gps gnu octave bit error rate doppler effect dsp desense analysis pn code m sequence gold code channel capacity vco pll snr c/n0 cn0 iip2 iip3 gps l1 c/a l1 c/a tdd fdd lte mimo saw filter sensitivity calculation noise figure calculation iip3 calculation pae stripline impedance gyrotron desense intermodulation shannon mmse (minimum mean-square error) equalizer maximum-likelihood 2psk eb/n0 2ask 2fsk awgn autocorrelation function psd miller code type-i pll phase margin subspace clustering superconducting magnet formula biot-savart hollow cylindrical conductor s-parameters abcd matrix inductance z-parameter capacitance s-parameter via and equivalent circuit low rank cross correlation coefficient quadratic residue orthogonal coding maximum length sequence dsss hadamard matrix lte code scrambling cdma code lasso autocorrelation coefficient complementary error function covariance function white gaussian noise mamba mentality average acf normal (or gaussian) distribution q function error function ergodicity wgn expectation underdetermined system variance cross correlation function clustering wiener-khinchin theorem netflix information theory entropy shannon limit biot-savart law b-field calculation current superconductor magnet cholesky decomposition match filter minimum mean square error (mmse) channel estimation max snr pilot least-squares nyquist sampling frequency matlab discrete wavelet transform discrete-time fourier transform z transform convolution theorem correlation function baker code time selected fading frequency selected fading fast fourier transform rayleigh fading coherence time channel impulse response coherence bandwidth time spread jakes model qpsk prime number theorem(pnt) walsh matrix linear feedback shift registers (lfsr) pseudo random code ksvd direct sequence spread spectrum 3g code mcs pdsch coding rate physical broadcast channel (pbch) 1 rb primary synchronization signal code rate im2 product lte frame structure lte sensitivity rx saw dictionary learning linkbudget cascade nf zero forcing dft gaussian elimination fft listen-before-talk (lbt) carrier sensing adaptive transmission (csat) coexistence with wi-fi frequency dependent microstrip impedance phase detector microstrip loss effective dielectric constant stripline loss cavity voltage control oscillator mode competition edge coupled stripline field solver harmonic distortion pd band allocation overlap and im2 im3 freq calculato type-ii pll phase locked loops jammer gyrobwo digital modulation analog modulation error probabilities for binary modulation m-ary digital modulation higher order pll design rule of thumb higher order pll transfer function open loop bandwidth wcdma cp pll stability out-band noise tuned radio frequency (trf) receiver superheterodyne receiver automatic gain control homodyne receiver frequency conversion and filtering cp pll transfer function dynamic range charge pump phase frequency detector pfd gian lc high pass filter pll transfer function external lna dynamic frequency selection (dfs) unii bands laa lte-u stability channel modulation techniques pa lna anti-fading technology power control gain margin rrc filter maximize a posteriori probability stabilize lo’s frequency nyquist local oscillator work life balance matched filter self-discipline vna s parameter calibration frequency spectrum nthu presentation autocorrelation parseval theorem energy spectrum density time domain equalization supplemental downlink (sdl) linearity conduction angle class a class b class c class ab pa linearization techniques efficiency bode plots channel-matched filtering mrc (maximum-ratio combining) linear convolution filtering cyclic-prefix zf (zero-forcing) equalization ofdm implementation using ifft/fft equalization multi-carrier transmission frequency selectivity trade-off filtering damping factor tuning tx load pull matching load pull cpw horizontally polarized vertically polarized fan beam beam steering mesh-grid antenna phased-array design multi-beam antenna multi-beam antenna challenges bandwidth rise time derivations lpf ami hdb3 manchester coded mark inversion cmi nbmb code nbmt code gibbs sampling raised-cosine filter isi root-raised-cosine (rrc) filter lms ip2 lpamid bpsk bpsk-r boc binary offset carrier glonass beidou galileo cdma binary offset carrier modulation c/a code fourier transform boc subcarrier energy spectral density spread spectrum modulation boxcar function boc modulation signal millimeter antennas smartphones wobin hong antenna module phased array antenna package simo miso ergodic process ergodic channel capacity open-loop closed loop stbc blast antenna basic patch antenna topological interference management interference channels interference alignment low rank matrix completion riemannian pursuit alternating direction method of multipliers (admm) matrix factorization constrained matrix factorization proximity operator ao-admm probabilistic matrix factorization recommendation system bayesian probabilistic matrix factorization markov chain monte carlo inference co-planar waveguide adaptive filter 2dpsk mask mfsk mpsk mdpsk modulation demodulation shift keying ook nfc manchester code delay code coherent noncoherent multiple antenna techniques diversity techniques spatial-multiplexing techniques gallager david tse svd telater water-pouring theory water filling theory redundancy overcomplete dictionary cnr sparse matrix nyquist–shannon sampling theorem notch filter b13 notch processing gain wireless communication compressive sensing d code distributed spreading gain gps satellite power free-space path loss fspl multiview subspace clustering eirp(effective isotropic radiation power) electric dipole magnetic dipole near field far field antenna antenna total radiation power poynting vector discrete cosine transform symbol error rate iq constellation zero-norm noise figure nf calculation am fm pm dsb-sc ssb vsb hilbert transform weaver modulator vestigial sideband threshold effect carrier synchronization wireless sensor networks restricted isometry property square loop costas loop nbfm wbfm armstrong rce es/n0 m-ary qam wifi rx sensitivity wifi receiver minimum sensitivity ieee 802.11ac psdu binary convolutional coding relative constellation error per packet error rate python intermodulation distortion imd2 imd3 iip2 calculation intermodulation distortion derivation derivation ca filtering requirements b41 rx lna hpf tx band rejection fdd + tdd dl ca desense due to tx leakage ip2 noise dolby thin linear antenna half-wave dipole full-wave dipole radiation resistance loop antenna acquisition generator gps period gps doppler shift gps prn lte throughput low-rank representation configurable channel bandwidth lte symbol rate rb 4x4 mimo throughput throughput data rate 3gpp spec. 36.213 modulation coding scheme transport block size table lte tdd frame configuration special subframe configuration evm