Binary synchronous communications, in particular the line-control functions, are described. These functions are independent of the devices transmitting ...
Tópico(s): Algorithms and Data Compression
1969 - Institute of Electrical and Electronics Engineers | IRE Transactions on Communications Systems
This paper discusses performance models of 3270 binary synchronous communications (BSC) multipoint circuits over virtual private-line frame-relay networks. The models are used to identify the key network functionality needed to minimize ...
Tópico(s): Interconnection Networks and Systems
1988 - Institute of Electrical and Electronics Engineers | AT&T Technical Journal
... throughput efficiency of two IBM line control methods, Binary Synchronous Communications (BSC) and Synchronous Data Link Control (SDLC), along ...
Tópico(s): Interconnection Networks and Systems
1977 - Association for Computing Machinery | ACM SIGCOMM Computer Communication Review
The problem of binary synchronous communication in additive non-Gaussian noise is considered. It is shown that, for a class of additive noises, an optimal ...
Tópico(s): Statistical Mechanics and Entropy
1966 - Institute of Electrical and Electronics Engineers | IRE Transactions on Communications Systems
... evaluated with conventional binary convolutional codes over both binary-synchronous-communication (BSC) and additive-white-Gaussian-noise (AWGN) channels. ...
Tópico(s): Algorithms and Data Compression
1990 - IEEE Communications Society | IEEE Transactions on Communications
Donald R. Brown, C. Richard Johnson,
... parallel interference cancellation (HPIC) multiuser detectors in a synchronous, nonorthogonal, binary, CDMA communication system with deterministic short spreading sequences. We consider ...
Tópico(s): Advanced MIMO Systems Optimization
2001 - Institute of Electrical and Electronics Engineers | Journal of Communications and Networks
... particularly convenient for the generating polynomial appropriate to Binary Synchronous Communication in the form used with IBM 360/370 ...
Tópico(s): Embedded Systems and FPGA Applications
1973 - Oxford University Press | The Computer Journal
Donald R. Brown, Mehul Motani, Venugopal V. Veeravalli, H. Vincent Poor, C. Richard Johnson,
... parallel interference cancellation (LPIC) multiuser detector in a synchronous multiuser communication scenario with binary signaling, nonorthogonal multiple access interference, and an additive ...
Tópico(s): Power Line
2001 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Information Theory
... user codes (transforms) are obtained for asynchronous and synchronous spread spectrum multiuser communications. It is shown that the proposed binary user code family outperforms the Walsh codes significantly ...
Tópico(s): Advanced Wireless Network Optimization
2007 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Signal Processing
Pedram Pad, Farokh Marvasti, Kasra Alishahi, Saieed Akbari,
In this paper, we introduce a new class of codes for overloaded synchronous wireless and optical code-division multiple-access (CDMA) systems which increases the number of users for fixed number of chips without introducing any errors. Equivalently, the chip rate can be reduced for a given number of users, which implies bandwidth reduction for downlink wireless systems. An upper bound for the maximum number of users for a given number of chips is derived. Also, lower and upper bounds for the sum ...
Tópico(s): graph theory and CDMA systems
2009 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Information Theory
... codes that achieve full spatial diversity for quasi-synchronous cooperative communications. They show that certain of the binary space-time trellis codes derived from the Hammons- ...
Tópico(s): Advanced Wireless
2006 - Springer Science+Business Media | Lecture notes in computer science
E. Geraniotis, Behzad Ghaffari,
The performance of synchronous and asynchronous, binary and quaternary (with and without offset) direct-sequence spread-spectrum multiple-access (DS/SSMA) communication systems using random signature sequences and arbitrary chip waveforms is investigated. The average probability of error at the output of the correlation receiver is evaluated using a characteristic-function approach for these systems. Numerical results are presented that illustrate performance comparisons between systems using random and deterministic signature sequences, synchronous and asynchronous systems, systems with rectangular or sinewave chip waveforms, and binary and quaternary systems with the same data rates ...
Tópico(s): Advanced Wireless Network Optimization
1991 - IEEE Communications Society | IEEE Transactions on Communications
Claudio Antares Mezzina, Jorge A. Pérez,
... session types (a class of behavioral types), covering binary (two-party) protocols with synchronous communication. The applicability and expressiveness of the binary setting, however, is limited. Here we extend our ...
Tópico(s): Security and Verification in Computing
2021 - Logical Methods in Computer Science e.V. | Logical Methods in Computer Science
Manjur Hossain, Jayanta Kumar Rakshit,
All-optical synchronous and asynchronous binary up counters that employ silicon micro-ring resonator-based T flip-flops are proposed. An alternative approach to design all-optical synchronous and asynchronous binary up counters is also demonstrated using fewer optical components. The proposed design is theoretically realized in MATLAB simulation software at a very high operational speed of 260 Gbps. The performance of this design is validated through amplitude difference, contrast ratio, extinction ...
Tópico(s): Advanced Photonic
2022 - SPIE | Optical Engineering
Yih-Kuen Tsay, Rajive Bagrodia,
The implementation of nondeterministic pairwise synchronous communication among a set of asynchronous processes is modeled as the binary interaction problem. The paper describes an algorithm for this problem that satisfies a strong fairness property that guarantees freedom from process ...
Tópico(s): Interconnection Networks and Systems
1994 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Parallel and Distributed Systems
... as well as to arbitrary-medium time-hopping synchronous CDMA communications. Proposed constructions are based on the mappings from integer sequences into binary sequences. The authors use the concept of number theoretic quadratic congruences and a subset of Reed-Solomon codes similar to the one utilized in the Welch-Costas frequency-hop (FH) patterns. The properties of the codes are as good as or better than the properties of existing codes for synchronous CDMA communications: both the number of code-sequences within a ...
Tópico(s): Wireless
1994 - IEEE Communications Society | IEEE Transactions on Communications
... TCU and an FEP may be half-duplex Binary Synchronous Communications (BSC), half-duplex Synchronous Data Link Control (SDLC), ...
Tópico(s): Distributed systems and fault tolerance
1975 - IBM | IBM Journal of Research and Development
Jie Luo, Krishna R. Pattipati, Peter Willett, Fumihiro Hasegawa,
... proposed in this letter for multiuser detection over synchronous code-division multiple-access (CDMA) communication channels. PDA models the undecided user signals as binary random variables. By approximating the inter-user interference ( ...
Tópico(s): Blind Source Separation Techniques
2001 - IEEE Communications Society | IEEE Communications Letters
... is investigated. The results are shown for a synchronous binary communications model in which the receiver has knowledge of ...
Tópico(s): Spectral Theory in Mathematical Physics
1991 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Electromagnetic Compatibility
An ideal receiver for binary synchronous telegraphy is postulated; this receiver is defined as one that interprets each element of a received signal with the minimum probability of error. The relations between error liability and signal/noise ratio are determined for steady signals and for Rayleigh-fading signals in white Gaussian noise, using up to four diversity branches. The noisy-signal performance of a practical receiver can be described in terms of the amount by which it falls short of the ...
Tópico(s): Millimeter-Wave Propagation and Modeling
1957 - | The proceedings of the Institution of Electrical Engineers. Part B, Radio and electronic engineering, including communication engineering
The performance of synchronous and asynchronous hybrid direct-sequence/slow-frequency-hopped spread-spectrum multiple-access communications over additive white Gaussian noise channels is examined. Systems employing binary or quaternary phase-shift-keying modulation with coherent demodulation are investigated. Both deterministic and random signature sequences and frequency- ...
Tópico(s): Power Line
1985 - Institute of Electrical and Electronics Engineers | IEEE Journal on Selected Areas in Communications
Tengfei Liu, Dongsheng Yu, Maxwell Chiemeka Loveth, Samson S. Yu, He Cheng,
Abstract To satisfy the requirements for transferring signals in an inductively coupled power transfer system, a novel power and signal composite modulation strategy is proposed using the binary frequency shift keying technology. The information‐carrying inverter control signal is generated by the logical combination of a signal carrier and the inverter control pulse using AND operation. Then a binary frequency shift keying method is used to modulate the signal carrier, and the resulting voltage ...
Tópico(s): Wireless Body Area Networks
2023 - Institution of Engineering and Technology | IET Power Electronics
Walsh codes are perfectly orthogonal binary (antipodal) block codes that found many popular applications over several decades including synchronous multicarrier communications. It is well known that they perform poorly for asynchronous multiuser communications. Therefore, the Gold codes with their superior performance are ... except the inferior performance of Gold codes in synchronous case with high SNR. We present that there are a number of such new binary code sets with different lengths available in the binary sample space. They might help us to improve the multicarrier performance of future communications systems.
Tópico(s): Advanced Wireless
2006 - Institute of Electrical and Electronics Engineers | IEEE Vehicular Technology Conference
The performance of noncoherent reception in synchronous and asynchronous hybrid direct-sequence/slow-frequency-hopped spread-spectrum multiple-access communication systems operating through additive white Gaussian noise channels is investigated. Systems with binary and M -ary frequency-shift-keying modulation and noncoherent demodulation, as well as systems with differential-phase-shift keying modulation and differentially ...
Tópico(s): Power Line
1986 - Institute of Electrical and Electronics Engineers | IRE Transactions on Communications Systems
Monique Snoeck, Wilfried Lemahieu, Cindy Michiels, Guido Dedene,
... It can be implemented by means of generic binary interaction frameworks applicable across diverse platforms (distributed, web-based and centralised systems) and implementation paradigms (synchronous and asynchronous communication). In addition, events can be enriched with intelligent ...
Tópico(s): Advanced Software Engineering Methodologies
2003 - Springer Science+Business Media | Lecture notes in computer science
... The PIN Photodiode. The Avalanche Photodiode, ADP. Basic Binary Optical Communication System: Introduction. System Description. Performance Evaluation. Coherent Systems: Motivations and Basics. Fundamental Receiver Sensitivity--Homodyne Systems. Heterodyne Systems--Synchronous Detection. Heterodyne Systems--Asynchronous Detection. Heterodyne Systems--Weakly ...
Tópico(s): Semiconductor Lasers and Optical Devices
1997 - SPIE | Optical Engineering
Frank K. Hwang, Yi‐Ching Yao, Miltos D. Grammatikakis,
Optimal packet routing algorithms for all binary d-cubes of dimension d ⩽ 7 are presented. The algorithms given are synchronous, offer distributed control, and assume d-port, multiaccepting communication. While the previous best known packet routing algorithm [3]on the 7-cube takes 11 time-units, our algorithm has reduced the ...
Tópico(s): Cellular Automata and Applications
1997 - Elsevier BV | Discrete Applied Mathematics
Pierre Civit, Muhammad Ayaz Dzulfikar, Seth Gilbert, Vincent Gramoli, Rachid Guerraoui, Jovan Komatovic, Manuel Vidigueira,
... efficient known solutions for Byzantine consensus in partially synchronous settings had cubic communication complexity (e.g., HotStuff, binary DBFT). This paper closes the existing gap by introducing SQuad , a partially synchronous Byzantine consensus protocol with $$O\big (n^2\big )$$ O ( n 2 ) worst-case communication complexity. In addition, SQuad is optimally-resilient (tolerating ...
Tópico(s): Nanocluster Synthesis and Applications
2023 - Springer Science+Business Media | Distributed Computing
Rajendra Prasad Sirigina, A. S. Madhukumar, Mark Bowyer,
The bit error rate (BER) of a Rician-faded and interference-limited synchronous wireless network with binary phase shift keying (BPSK) modulation is investigated. The probability density function (PDF) of the phase of the Rician-faded channel is unwieldy. However, the phase of the Rician-faded channel given the magnitude follows Von Mises distribution. This conditional PDF is exploited to derive an accurate expression for the BER of BPSK-modulated signals with an interference ignorant detector. Moreover, ...
Tópico(s): Advanced Wireless
2019 - IEEE Communications Society | IEEE Communications Letters
G. Caire, Souad Guemghar, Aline Roumy, Sergio Verdú,
We investigate the spectral efficiency achievable by random synchronous code-division multiple access (CDMA) with quaternary phase-shift keying (QPSK) modulation and binary error-control codes, in the large system limit where the number of users, the spreading factor, and the code block length go to infinity. For given codes, we maximize spectral efficiency assuming a minimum mean-square error (MMSE) successive stripping decoder for the cases of equal rate and equal power users. In both cases, the ...
Tópico(s): Wireless
2004 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Information Theory