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  1. Content type: Research Article

    A new approach for joint data estimation and channel tracking for multiple-input multiple-output (MIMO) channels is proposed based on the decision-directed recursive least squares (DD-RLS) algorithm. RLS algor...

    Authors: Ebrahim Karami and Mohsen Shiva

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:043275

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  2. Content type: Research Article

    A new medium access control (MAC) protocol is proposed for quality-of-service (QoS) support in wireless local area networks (WLAN). The protocol is an alternative to the recent enhancement 802.11e. A new prior...

    Authors: S Georgios Paschos, Ioannis Papapanagiotou, Stavros A Kotsopoulos and George K Karagiannidis

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:065836

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  3. Content type: Research Article

    There are several new radio systems which exploit novel strategies being made possible by the regulatory agencies to increase the availability of spectrum for wireless applications. Three of these that will be...

    Authors: Danijela Cabric, Mike SW Chen, David A Sobel, Stanley Wang, Jing Yang and Robert W Brodersen

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:017957

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  4. Content type: Research Article

    Carrier sense multiple access with collision avoidance (CSMA/CA) has been adopted by the IEEE 802.11 standards for wireless local area networks (WLANs). Using a distributed coordination function (DCF), the CSM...

    Authors: Xin Wang and Georgios B Giannakis

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:039604

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  5. Content type: Research Article

    Modeling to study the performance of wireless networks in recent years has produced sets of nonlinear equations with interrelated parameters. Because these nonlinear equations have no closed-form solution, the...

    Authors: Dilip Sarkar, Theodore Jewell and S Ramakrishnan

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:015876

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  6. Content type: Research Article

    This paper describes the design and optimization of an RF tunable network capable of matching highly mismatched loads to 50 http://static-content.springer.com/image/art%3A10.1155%2FWCN%2F2006%2F86531/MediaObjects/13638_2005_Article_1281_IEq1_HTML.gif at 1.9 GHz. ...

    Authors: Ahmad Chamseddine, James W. Haslett and Michal Okoniewski

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:086531

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  7. Content type: Research Article

    The problem of joint channel estimation, equalization, and multiuser detection for a multiantenna DS/CDMA system operating over a frequency-selective fading channel and adopting long aperiodic spreading codes ...

    Authors: Stefano Buzzi

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:024132

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  8. Content type: Research Article

    "Anywhere" and, in particular, "anyhow": these are the two best words that can describe an ad hoc wireless network that is due to the increasing demand for connectivity in such an information society. Ad hoc w...

    Authors: S. Guizani, M. Razzak, H. Hamam, Y. Bouslimani and A. Cheriti

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:085980

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  9. Content type: Research Article

    Orthogonal frequency division multiplexing (OFDM) is a parallel transmission scheme for transmitting data at very high rates over time dispersive radio channels. In an OFDM system, frame synchronization and fr...

    Authors: Ch Nanda Kishore and V Umapathi Reddy

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:057018

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  10. Content type: Research Article

    In this contribution, the performance of a downlink code division multiple access (CDMA) system with orthogonal spreading and multicell interference is analyzed. A useful framework is provided in order to dete...

    Authors: Nicolas Bonneau, Mérouane Debbah and Eitan Altman

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:074081

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  11. Content type: Research Article

    It is well known that transmission control protocol (TCP) performance degrades severely in IEEE 802.11-based wireless ad hoc networks. We first identify two critical issues leading to the TCP performance degra...

    Authors: Qi He, Lin Cai, Xuemin Sherman Shen and Pinhan Ho

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:051610

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  12. Content type: Research Article

    As an important complement to infrastructured wireless networks, mobile ad hoc networks (MANET) are more flexible in providing wireless access services, but more difficult in meeting different quality of servi...

    Authors: Yang Yang, Hai-Feng Yuan, Hsiao-Hwa Chen, Wen-Bing Yao and Yong-Hua Song

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:094235

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  13. Content type: Research Article

    The problem of estimating the multipath channel parameters of a new user entering the uplink of an asynchronous direct sequence-code division multiple access (DS-CDMA) system is addressed. The problem is descr...

    Authors: Vassilis Kekatos, Athanasios A Rontogiannis and Kostas Berberidis

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:047938

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  14. Content type: Research Article

    This paper discusses the energy-efficient QoS topology control problem for nonhomogenous ad hoc wireless networks. Given a set of nodes with different energy and bandwidth capacities in a plane, and given the ...

    Authors: Deying Li, Xiaohua Jia and Hongwei Du

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:082417

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  15. Content type: Research Article

    We use the Padé approximation (PA) technique to obtain closed-form approximate expressions for the moment-generating function (MGF) of the Weibull random variable. Unlike previously obtained closed-form exact ...

    Authors: Mahmoud H. Ismail and Mustafa M. Matalgah

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:058501

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  16. Content type: Research Article

    Generic ultra-wideband (UWB) spread-spectrum system performance is evaluated in centralized and distributed spatial topologies comprising square-shaped indoor cells. Statistical distributions for link distance...

    Authors: Pekka Pirinen

    Citation: EURASIP Journal on Wireless Communications and Networking 2006 2006:019460

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  17. Content type: Research Article

    QoS provisioning is a complex and challenging issue in mobile ad hoc networks, especially when there are multiple QoS constraints. In this paper, we propose an adaptive QoS routing scheme supported by cross-la...

    Authors: Hongxia Sun and Herman D Hughes

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:953749

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  18. Content type: Research Article

    Wireless sensor networks (WSNs) are deployed to an area of interest to sense phenomena, process sensed data, and take actions accordingly. Due to the limited WSN node resources, distributed processing is requi...

    Authors: Mauri Kuorilehto, Marko Hännikäinen and Timo D Hämäläinen

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:859712

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  19. Content type: Research Article

    Wireless communication technology is spreading quickly in almost all the information technology areas as a consequence of a gradual enhancement in quality and security of the communication, together with a dec...

    Authors: Tullio Facchinetti, Giorgio Buttazzo and Luis Almeida

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:825018

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  20. Content type: Research Article

    This paper presents and analyzes an integrated, cross-layer protocol for wireless ad hoc networking that utilizes position location (e.g., through an onboard GPS receiver) and jointly performs the operations o...

    Authors: Bin Zhao and Matthew C Valenti

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:734983

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  21. Content type: Research Article

    Authors: Sergio Palazzo, Leandros Tassiulas and Lang Tong

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:724949

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  22. Content type: Research Article

    Although generation of correlated Rayleigh fading envelopes has been intensively considered in the literature, all conventional methods have their own shortcomings, which seriously impede their applicability. ...

    Authors: Le Chung Tran, Tadeusz A Wysocki, Alfred Mertins and Jennifer Seberry

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:710469

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  23. Content type: Research Article

    This paper proposes a method for constructing rate-compatible low-density parity-check (LDPC) codes. The construction considers the problem of optimizing a family of rate-compatible degree distributions as wel...

    Authors: Tao Tian and Christopher R Jones

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:692121

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  24. Content type: Research Article

    Energy efficiency is imperative to enable the deployment of ad hoc networks. Conventional power management focuses independently on the physical or MAC layer and approaches differ depending on the abstraction ...

    Authors: Sofie Pollin, Bruno Bougard, Rahul Mangharam, Francky Catthoor, Ingrid Moerman, Ragunathan Rajkumar and Liesbet Van der Perre

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:617271

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  25. Content type: Research Article

    The impact of antenna downtilt on the performance of cellular WCDMA network has been studied by using a radio network planning tool. An optimum downtilt angle has been evaluated for numerous practical macrocel...

    Authors: Jarno Niemelä, Tero Isotalo and Jukka Lempiäinen

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:610942

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  26. Content type: Research Article

    Wireless ad hoc sensor networks differ from wireless ad hoc networks from the following perspectives: low energy, lightweight routing protocols, and adaptive communication patterns. This paper proposes an ener...

    Authors: Raminder P Mann, Kamesh R Namuduri and Ravi Pendse

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:501875

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  27. Content type: Research Article

    We focus on the optimization of real-time multimedia transmission over 802.11-based ad hoc networks. In particular, we propose a simple and efficient cross-layer mechanism that considers both the channel condi...

    Authors: Mohammad Hossein Manshaei, Thierry Turletti and Thomas Guionnet

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:375340

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  28. Content type: Research Article

    Reducing power consumption and increasing battery life of nodes in an ad hoc network requires an integrated power control and routing strategy. The power control is achieved by new route selection mechanisms f...

    Authors: K Murugan and S Shanmugavel

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:362583

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  29. Content type: Research Article

    A new energy-efficient scheme for data transmission in a wireless sensor network (WSN) is proposed, having in mind a typical application including a sink, which periodically triggers the WSN, and nodes uniform...

    Authors: Chiara Buratti, Andrea Giorgetti and Roberto Verdone

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:356480

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  30. Content type: Research Article

    In this paper, we describe a secure cluster-routing protocol based on a multilayer scheme in ad hoc networks. This work provides scalable, threshold authentication scheme in ad hoc networks. We present detaile...

    Authors: Keun-Ho Lee, Sang-Bum Han, Heyi-Sook Suh, Sang Keun Lee and Chong-Sun Hwang

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:289767

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  31. Content type: Research Article

    We propose a decentralized algorithm for organizing an ad hoc sensor network into clusters. Each sensor uses a random waiting timer and local criteria to determine whether to form a new cluster or to join a cu...

    Authors: Chih-Yu Wen and William A Sethares

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:248089

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  32. Content type: Research Article

    This paper presents two new route update strategies for performing proactive route discovery in mobile ad hoc networks (MANETs). The first strategy is referred to as minimum displacement update routing (MDUR)....

    Authors: Mehran Abolhasan, Tadeusz Wysocki and Justin Lipman

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:194739

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  33. Content type: Research Article

    Most reactive routing protocols in MANETs employ a random delay between rebroadcasting route requests (RREQ) in order to avoid "broadcast storms." However this can lead to problems such as "next hop racing" an...

    Authors: Bosheng Zhou, Alan Marshall, Jieyi Wu, Tsung-Han Lee and Jiakang Liu

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:165378

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  34. Content type: Research Article

    The probabilistic data association (PDA) decoder is investigated for use in coded multiple-input multiple-output (MIMO) systems and its strengths and weaknesses are determined. The conventional PDA decoder inc...

    Authors: Justus Ch Fricke, Magnus Sandell, Jan Mietzner and Peter A Hoeher

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:145035

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  35. Content type: Research Article

    Consider the problem of estimating an unknown parameter by a sensor network with a fusion center (FC). Sensor observations are corrupted by additive noises with an arbitrary spatial correlation. Due to bandwid...

    Authors: Alexey Krasnopeev, Jin-Jun Xiao and Zhi-Quan Luo

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:919686

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  36. Content type: Research Article

    For a wireless sensor network (WSN) with a random number of sensors, we propose a decision fusion rule that uses the total number of detections reported by local sensors as a statistic for hypothesis testing. ...

    Authors: Ruixin Niu and Pramod K Varshney

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:815873

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  37. Content type: Research Article

    We investigate two important aspects in sensor network design—the throughput and the energy efficiency. We consider the uplink reachback problem where the receiver is equipped with multiple antennas and linear...

    Authors: Wenjun Li and Huaiyu Dai

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:670575

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  38. Content type: Research Article

    Security poses a major challenge in ad hoc networks today due to the lack of fixed or organizational infrastructure. This paper proposes a modification to the existing "fully distributed certificate authority"...

    Authors: Deepti Joshi, Kamesh Namuduri and Ravi Pendse

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:543957

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  39. Content type: Research Article

    We consider medium access control (MAC) in multihop sensor networks, where only partial information about the shared medium is available to the transmitter. We model our setting as a queuing problem in which t...

    Authors: Răzvan Cristescu and Sergio D Servetto

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:487028

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  40. Content type: Research Article

    We present closed-form expressions of the average link throughput for sensor networks with a slotted ALOHA MAC protocol in Rayleigh fading channels. We compare networks with three regular topologies in terms o...

    Authors: Xiaowen Liu and Martin Haenggi

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:397962

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  41. Content type: Research Article

    A modified time-hopping (TH) ultra-wideband (UWB), called the random sign repetition TH-UWB, is considered to improve the performance of the minimum mean square error (MMSE) multiuser detector. We show that th...

    Authors: Jinho Choi

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:325629

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  42. Content type: Research Article

    Authors: Biao Chen, Wendi B Heinzelman, Mingyan Liu and Andrew T Campbell

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:321260

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  43. Content type: Research Article

    Most existing research considers homogeneous sensor networks, which suffer from performance bottleneck and poor scalability. In this paper, we adopt a heterogeneous sensor network model to overcome these probl...

    Authors: Xiaojiang Du and Fengjing Lin

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:269210

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  44. Content type: Research Article

    We present an energy analysis technique applicable to medium access control (MAC) and multihop communications. Furthermore, the technique's application gives insight on using multihop forwarding instead of sin...

    Authors: Jussi Haapola, Zach Shelby, Carlos Pomalaza-Ráez and Petri Mähönen

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:219063

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  45. Content type: Research Article

    In signal field reconstruction applications of sensor network, the locations where the measurements are retrieved from affect the reconstruction performance. In this paper, we consider the design of medium acc...

    Authors: Zhiyu Yang, Min Dong, Lang Tong and Brian M Sadler

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:213120

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  46. Content type: Research Article

    Recent interest in resource allocation algorithms for multiservice CDMA networks has focused on algorithms optimising the aggregate uplink or downlink throughput, sum of all individual throughputs. For a given...

    Authors: Michel Terré, Emmanuelle Vivier and Bernard Fino

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:132194

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