Adaptive explicit time delay, frequency estimations in communications systems
Adaptive explicit time delay, frequency estimations in communications systems
... 79 5.4.2 Adaptive Frequency Estimation Using MLIDF Frequency Tracking 84 Joint Explicit Frequency And Time Delay Synchronization 86 6.1 Introduction ... times of the individual symbols are, in order to assign the decision time instants and to determine the time instants when the initial conditions of the correlators have to be reset to zero in ... environment In practice...
Báo cáo hóa học: " Research Article Time and Frequency Synchronisation in 4G OFDM Systems" pdf
... proposal for 4G system developed in the WINNER project have been introduced A new time metric and pilot symbol design for coarse timing synchronisation, as well as new carrier and sampling frequency ... algorithms during simulations are shown in Table The algorithms for the carrier frequency and sampling frequency offsets estimation and tracking were tested for frequenc...
Tài liệu Digital Modulation in Communications Systems – An Introduction doc
... to I and Q components determining I and Q values for each symbol (“slicing”) decoding and de-interleaving expansion to original bit stream digital- to-analog conversion, if required In more and ... channel coding is added Channel coding encodes the data in such a way as to minimize the effects of noise and interference in the communications channel Channel coding adds extra bits to t...
Digital Modulation in Communications Systems – An Introduction doc
... to I and Q components determining I and Q values for each symbol (“slicing”) decoding and de-interleaving expansion to original bit stream digital- to-analog conversion, if required In more and ... Shift Keying) is used in many applications including cordless and paging systems Some of the cordless systems include DECT (Digital Enhanced Cordless Telephone) and CT2 (Cordless Telephon...
Báo cáo hóa học: " Research Article Interference Excision in Spread Spectrum Communications Using Adaptive Positive Time-Frequency Analysis" pdf
... consisting of linear and quadratic chirps at JSR = 40 dB −8 0.3 0.2 0.1 −10 −8 −6 −4 −2 SNR (dB) 10 No interference No excision (single interference) No excision (multiple interference) Single interference ... D L Jones, Spread spectrum interference suppression using adaptive time-frequency tilings,” in Proceedings of IEEE International Conference on Acoustics, Speech,...
Real-Time Digital Signal Processing - Chapter 9: Practical DSP Applications in Communications
... Devices, Digital Signal Processing Applications Using the ADSP-2100 Family, Englewood Cliffs, NJ: Prentice-Hall, 1990 [10] P Mock, `Add DTMF generation and decoding to DSP- uP designs,' in Digital Signal ... characteristics of the system are time-invariant, off-line modeling can be used to estimate H(z) during an initial training stage White noise is an ideal broadband training...
Báo cáo hóa học: " Time Delay Estimation in Room Acoustic Environments: An Overview" potx
... signal time- delay estimation in reverberant rooms,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP ’97), vol 1, pp 375–378, Munich, Germany, ... DiBiase, H F Silverman, and M S Branstein, “Robust localization in reverberant rooms,” in Microphone Arrays: Signal Processing Techniques and Applications, M S Branstein and D B Ward,...
Báo cáo hóa học: " Spectrally Efficient Communication over Time-Varying Frequency-Selective Mobile Channels: Variable-Size Burst Construction and Adaptive Modulation" pot
... BER and average throughput [3, 16] 6.4 Integration with variable-size burst construction A two-layer strategy is used for adaptation: variable-size burst construction in the first layer, and adaptive ... MMSE Variable-size burst Fixed small burst 30 35 10−6 40 Fixed big burst Quasi-static burst 10 15 20 25 Average channel SNR MMSE Variable-size burst Fixed small...
Báo cáo hóa học: " Traffic-Dependent and Energy-Based Time Delay Routing Algorithms for Improving Energy Efficiency in Mobile Ad Hoc Networks" doc
... Saravanan, and J Venkatakrishnan, Delay and energy metric based routing algorithms for improving efficiency in mobile Ad Hoc networks,” in Proc 3rd Asian International Mobile Computing Conference ... mechanisms for MANET routing protocols, namely, energybased time delay routing (EBTDR) and highest energy routing (HER) In these algorithms, selection...
Báo cáo y học: "Different effect of exercise on left ventricular diastolic time and interventricular dyssynchrony in heart failure patients with and without left bundle branch block"
... mechanical ventricular dyssynchrony in heart failure patients with normal QRS duration By characterizing mechanical interventricular dyssynchrony, which was commonly found to be associated with intra-LV ... Furthermore, exercise LV dyssynchrony may play a more important role in the pathophysiology of left ventricular remodelling than baseline LV dyssynchrony (...
Optical time resolved spin dynamics in III-V semiconductor quantum wells
... Doctor of Philosophy Optical time resolved spin dynamics in III-V semiconductor quantum wells Matthew Anthony Brand This thesis presents time- resolved measurements of the spin evolution of transient ... relaxation in InGaAs/InP was due the native interface asymmetry present in the structure or if spin relaxation is generally fast in InGaAs wells (see chapter...
Presentation References The Time Is Now: Invest in Sexual and Reproductive Health for Young People docx
... Investing in Youth for National Development www.prb.org THE TIME IS NOW: INVEST IN SEXUAL AND REPRODUCTIVE HEALTH FOR YOUNG PEOPLE Guttmacher Institute, Facts on the Sexual and Reproductive Health ... Investing in Youth for National Development THE TIME IS NOW: INVEST IN SEXUAL AND REPRODUCTIVE HEALTH FOR YOUNG PEOPLE www.p...
Báo cáo khoa học: "Word Frequency Distributions in R" pdf
... being type frequency lists (which, in the simplest case, can be newlinedelimited lists of frequency values) and tokenized (sub-)corpora (one word per line) Thus, as long as users can extract frequency ... have frequency lists of the word types containing the two prefixes.2 In our R session, we import the data, create frequency spectra for the two classes, and we plot the spectra...
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