[PDF] Top 20 A Differentially Coherent Delay-Locked Loop for Spread Spectrum Tracking Receivers
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A Differentially Coherent Delay-Locked Loop for Spread Spectrum Tracking Receivers
... Correlator, delay-locked loop, direct sequence spread spectrum, tracking error ...present a code tracking receiver with less complexity, by employing a ... See full document
3
Cryogenic analog-to-digital converters using spread spectrum technology for coherent receivers
... generator A time-interleaving ADC requires a multiphase clock generator to individually provide clocks for ...design a quad-phase clock ...includes, a phase-frequency detector, a ... See full document
10
Performance analysis of noncoherent digital delay locked loops for direct sequence spread spectrum systems with Doppler shift and quantized adaptation
... code tracking becomes very popular because of the evolution toward all digital modem implementation of DSSS ...analysis for the noncoherent second-order digital code tracking loops is investigated ... See full document
11
Performance Analysis of a Complex Multicode Tracking Loop in Bandlimited Rayleigh Fading Channels
... root-mean-squared tracking error performance analysis of a class of coherent digital delay-locked loops for multicode direct sequence spread spec- trum signals in ... See full document
18
A modified code tracking loop for direct-sequence spread-spectrum systems on frequency-selective fading channels
... Because the data-modulated channel es- timator can cope with the time-varying Rayleigh fading effect and the data modulation effect on the error signals, in addition [r] ... See full document
5
A 2 V clock synchronizer using digital delay-locked loop
... It consists of an improved bang-bang type phase comparator, a set of control logic, a 6-bit up/down counter, a digital controlled delay line (DCDL).. and on-chip receivers and d[r] ... See full document
4
A blind joint estimator for multipath diversity and PN timing error in direct-sequence spread-spectrum receivers
... The residual inter-chip interference (ICI) after the modified KMA proposed here, the timing er- ror signals, mean square timing error and mean time to lose lock (MTLL) fo[r] ... See full document
4
A Wide-Range Delay-Locked Loop with a Fixed Latency of One Clock Cycle
... With the evolution and continuing scaling of CMOS technologies, the demand of high speed and high integration density VLSI systems have exponential growth recently. However, the synchronization problem among IC modules ... See full document
3
Low-complexity code tracking loop with chip-level differential detection for DS/SS receivers
... tiple access (DSICDMA) has rccently become the most popular system for commercial applications. A differcntially coherent dclay-locked loop has also been proposed [3].[r] ... See full document
2
A wide-range and fast-locking all-digital cycle-controlled delay-locked loop
... ONCLUSION A wide-range and fast-locking all-digital DLL is presented in this ...by a factor of without decreasing timing ...suited for burst mode operation. Given a supplied reference input ... See full document
10
Applicability of phase-locked loop to tracking the rhythmic activity in EEGS
... When the PLL is applied to detection of the dominant frequency in a multi- frequency input signal, its performance is affected by the magnitude ratio of the do[r] ... See full document
16
Spread spectrum CDMA systems for subband image transmission
... channels, a subband coding scheme that divides the image information into a number of independent data streams using an analysis filter bank, each of which is multiplied by its unique signature PN code, ... See full document
16
A Low-Power and Portable Spread Spectrum Clock Generator for SoC Applications
... employs a novel rescheduling division trian- gular modulation (RDTM) to enhance the phase tracking capability and provide wide programmable spreading ...keeping delay monotonic ...and spread ... See full document
5
Differential matched filter architecture for spread spectrum communication systems
... For those matched filters with long stages, this new architecture saves half the number of M and A in comparison with the conventional filter, while maintaining an identical p[r] ... See full document
2
DIARY: A Differentially Private and Approximately Revenue Maximizing Auction Mechanism for Secondary Spectrum Markets
... between spectrum auctions and traditional auctions is that spectrum auctions are held re- peatedly due to the dramatic changes of spectrum ...enthusiasm for participation in auctions, which ... See full document
6
A Spread-Spectrum Clock Generator With Triangular Modulation
... 673 A Spread-Spectrum Clock Generator With Triangular Modulation Hsiang-Hui Chang, Student Member, IEEE, I-Hui Hua, and Shen-Iuan Liu, Member, IEEE Abstract—In this paper, a ... See full document
4
A Robust Frequency Tracking Loop for Energy-Efficient Crystalless WBAN Systems
... presents a frequency tracking loop (FTL) to realize a crystalless wireless sensor node (WSN) for wireless body area network ...By tracking a remote wireless RF reference ... See full document
5
The Effect of Delay in CFO Tracking Loop in Multi-Carrier Systems: Analysis
... • For a higher order loop, the dimension of the transition matrix is too large for computer, it’s necessary to resort to some approximation of the transition matrix..[r] ... See full document
30
Efficient pseudonoise code design for spread spectrum wireless communication systems
... used for despreading procedure and the decision circuit detects the ...is a soft-coded spread spectrum ...reduction for power consumption range from 8% to 14% with PSPN codes compared ... See full document
8
A spread spectrum DS/CDMA channel fading simulation environment for mobile radio network systems
... evolve. A basic under- standing of the channel is important not only for designing modulation and coding schemes for robust communication over such channel, but also for investigating the ... See full document
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