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Related papers: Turbo Interleaving inside the cdma2000 and W-CDMA …

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An approach by which to analyze the performance of the code division multiple access (CDMA) scheme, which is a core technology used in modern wireless communication systems, is provided. The approach characterizes the objective system by…

Information Theory · Computer Science 2007-07-16 Koujin Takeda , Shinsuke Uda , Yoshiyuki Kabashima

In this paper, we investigate the delay-throughput trade-offs in mobile ad-hoc networks under two-dimensional i.i.d. mobility models. We consider two mobility time-scales: (i) Fast mobility where node mobility is at the same time-scale as…

Networking and Internet Architecture · Computer Science 2007-07-13 Lei Ying , Sichao Yang , R. Srikant

This paper is focused on decoding delay guarantees in wireless networks, where messages have a given signal-to-interference-plus-noise ratio threshold $\eta_0$ to meet in order to be successfully decoded, and where this should occur within…

Networking and Internet Architecture · Computer Science 2026-04-29 Kevin Zagalo , Jean-Marie Gorce , François Baccelli

Terahertz (THz) wireless communication is envisioned as a promising technology, which is capable of providing ultra-high-rate transmission up to Terabit per second. However, some hardware imperfections, which are generally neglected in the…

Signal Processing · Electrical Eng. & Systems 2021-06-24 Tianqi Mao , Zhaocheng Wang

"Amplify and Forward" and "Decode and Forward" are the two main relaying functions that have been proposed since the advent of cooperative communication. "\textit{Soft} Decode and Forward" is a recently introduced relaying principle that is…

Information Theory · Computer Science 2012-02-10 Mehdi M. Molu , Norbert Goertz

Processing of multiple communication flows in wireless systems has given rise to a number of novel transmission techniques, notably the two-way relaying based on wireless network coding. Recently, a related set of techniques has emerged,…

Information Theory · Computer Science 2014-04-07 Lilian Hong

The use of active narrow-band interference (NBI) suppression in direct-sequence spread-spectrum (DS-SS) communications has been extensively studied. In this paper, we address the problem of optimum coding-spreading tradeoff for NBI…

Information Theory · Computer Science 2015-04-23 Xiaofu Wu , ZhenYang

In this article we extend the idea of Turbo codes onto the Real Field. The channel is taken to result in block erasures and the only noise as being that due to quantization. The decoding in this case is reduced to reconstruction of the lost…

Combinatorics · Mathematics 2007-05-23 Animesh Datta

Recent results have shown that the performance of bit-interleaved coded modulation (BICM) using convolutional codes in nonfading channels can be significantly improved when the interleaver takes a trivial form (BICM-T), i.e., when it does…

Information Theory · Computer Science 2013-03-26 Alex Alvarado , Leszek Szczecinski , Erik Agrell

In this work, we propose buffer-aided distributed space-time coding (DSTC) schemes and relay selection algorithms for cooperative direct-sequence code-division multiple access (DS-CDMA) systems. We first devise a relay pair selection…

Information Theory · Computer Science 2016-10-04 J. Gu , R. C. de Lamare

Communication in optical downlinks of low earth orbit (LEO) satellites requires interleaving to enable reliable data transmission. These interleavers are orders of magnitude larger than conventional interleavers utilized for example in…

Signal Processing · Electrical Eng. & Systems 2023-12-06 Lukas Steiner , Timo Lehnigk-Emden , Markus Fehrenz , Norbert Wehn

Artificial transmission lines built with lumped-element inductors and capacitors form the backbone of broadband, nearly quantum-limited traveling-wave parametric amplifiers (TWPAs). When tailoring these transmission lines for parametric…

Applied Physics · Physics 2026-03-17 M. Malnou

In various wireless systems, such as sensor RFID networks and body area networks with implantable devices, the transmitted signals are simultaneously used both for information transmission and for energy transfer. In order to satisfy the…

Information Theory · Computer Science 2016-11-18 Ali Mohammad Fouladgar , Osvaldo Simeone , Elza Erkip

We demonstrate a technique for ultrastable optical frequency dissemination in a branching passive optical network using code-division multiple access (CDMA). In our protocol, each network user employs a unique pseudo-random sequence to…

In this paper, wireless systems operating under queueing constraints in the form of limitations on the buffer violation probabilities are considered. The throughput under such constraints is captured by the effective capacity formulation.…

Information Theory · Computer Science 2010-09-16 Mustafa Cenk Gursoy

Barcoding photons can provide a host of functionalities that could benefit future quantum communication systems and networks beyond today's imagination. As a significant application of barcoding photons, we introduce code division…

Quantum Physics · Physics 2021-06-21 Mohammad Rezai , Jawad A. Salehi

Motivated by the need to study the performance of vehicular communication protocols as applicable to heterogeneous traffic conditions, we study the performance of IEEE 802.11p medium access protocol under such a traffic setup. We consider a…

Networking and Internet Architecture · Computer Science 2023-12-13 MS Gayathree , Sreelakshmi Manjunath

We introduce a novel wireless device-to-device (D2D) collaboration architecture that exploits distributed storage of popular content to enable frequency reuse. We identify a fundamental conflict between collaboration distance and…

Information Theory · Computer Science 2012-06-01 Negin Golrezaei , Alexandros G. Dimakis , Andreas F. Molisch

This work presents blind joint interference suppression and power allocation algorithms for DS-CDMA networks with multiple relays and decode and forward protocols. A scheme for joint allocation of power levels across the relays subject to…

Information Theory · Computer Science 2013-04-10 Rodrigo C. de Lamare

The concepts of MIMO MC-CDMA are not new but the new technologies to improve their functioning are an emerging area of research. In general, most mobile communication systems transmit bits of information in the radio space to the receiver.…

Networking and Internet Architecture · Computer Science 2011-12-12 K. Sureshkumar , R. Rajalakshmi , A. Vetrikanimozhi