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  1. Content type: Research Article

    The advances in programmable and reconfigurable radios have rendered feasible transmitter optimization schemes that can greatly improve the performance of multiple-antenna multiuser systems. Reconfigurable rad...

    Authors: Dragan Samardzija, Narayan Mandayam and Dmitry Chizhik

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:929730

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  2. Content type: Research Article

    This paper proposes a broadband wireless transceiver which can be reconfigured to any type of cyclic-prefix (CP) -based communication systems, including orthogonal frequency-division multiplexing (OFDM), singl...

    Authors: Ying-Chang Liang, Sayed Naveen, Santosh K Pilakkat and Ashok K Marath

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:871962

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  3. Content type: Research Article

    The increasing need for multimodal terminals that adjust their configuration on the fly in order to meet the required quality of service (QoS), under various channel/system scenarios, creates the need for flex...

    Authors: Ioannis Dagres, Andreas Zalonis, Nikos Dimitriou, Konstantinos Nikitopoulos and Andreas Polydoros

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:850819

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  4. Content type: Research Article

    We provide a brief overview over the development of software-defined or reconfigurable radio systems. The need for software-defined radios is underlined and the most important notions used for such reconfigura...

    Authors: Friedrich K Jondral

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:652784

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  5. Content type: Research Article

    The superior reconfigurability of software defined radio mobile devices has made it the most promising technology on the wireless network and in the communication industry. Despite several advantages, there ar...

    Authors: Alessandro Brawerman and John A Copeland

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:617127

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  6. Content type: Research Article

    We propose a new technique for mobile tracking in wideband code-division multiple-access (WCDMA) systems employing multiple receive antennas. To achieve a high estimation accuracy, the algorithm utilizes the t...

    Authors: B Dong and Xiaodong Wang

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:536157

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  7. Content type: Research Article

    Most reported multiuser detection techniques for CDMA systems need the channel estimation including the delay spread and the parameters of the multipath channel of the desired user. This paper proposes an inte...

    Authors: Gaonan Zhang, Guoan Bi and Qian Yu

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:523293

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  8. Content type: Research Article

    Authors: Frederik Petré, Ahmet Kondoz, Stefan Kaiser and Ashish Pandharipande

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:513631

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  9. Content type: Research Article

    We consider a single-carrier multiple-input single-output (MISO) wireless system where the transmitter is equipped with multiple antennas and the receiver has a single antenna. For this setting, we propose a s...

    Authors: Mari Kobayashi and Giuseppe Caire

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:493603

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  10. Content type: Research Article

    We present a reconfigurable spiral antenna for use in adaptive MIMO systems. The antenna is capable of changing the sense of polarization of the radiated field. It is fabricated by using an RF-MEMS technology ...

    Authors: Bedri A Cetiner, JY Qian, GP Li and F De Flaviis

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:431410

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  11. Content type: Research Article

    In view of the technical and commercial boundary conditions for software-defined radio (SDR), it is suggestive to reconsider the concept anew from an unconventional point of view. The organizational principles...

    Authors: Arnd-Ragnar Rhiemeier

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:382308

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  12. Content type: Research Article

    Bandpass sampling, reconstruction, and antialiasing filtering in analog front ends potentially provide the best performance of software defined radios. However, conventional techniques used for these procedure...

    Authors: Yefim S Poberezhskiy and Gennady Y Poberezhskiy

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:381832

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  13. Content type: Research Article

    The required flexibility of the software-defined radio front end may currently be met with better overall performance by employing tunable narrowband circuits rather than pursuing a truly wideband approach. A ...

    Authors: Bruce E Carey-Smith, Paul A Warr, Phill R Rogers, Mark A Beach and Geoffrey S Hilton

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:372196

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  14. Content type: Research Article

    New air interfaces are currently being developed to meet the high requirements of the emerging wireless communication systems. In this context, the combinations of the multicarrier (MC) and spread-spectrum (SS...

    Authors: François Horlin, Frederik Petré, Eduardo Lopez-Estraviz, Frederik Naessens and Liesbet Van der Perre

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:256140

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  15. Content type: Research Article

    This paper focuses on the realization and application of a generic protocol stack for reconfigurable wireless communication systems. This focus extends the field of software-defined radios which usually concen...

    Authors: Lars Berlemann, Ralf Pabst and Bernhard Walke

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:242961

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  16. Content type: Research Article

    Mobile ad hoc network is an autonomous system of mobile nodes characterized by wireless links. The major challenge in ad hoc networks lies in adapting multicast communication to environments, where mobility is...

    Authors: C Gomathy and S Shanmugavel

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:181740

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  17. Content type: Research Article

    A new class of pseudonoise even balanced (PN-EB) binary spreading sequences is derived from existing classical odd-length families of maximum-length sequences, such as those proposed by Gold, by appending or i...

    Authors: JAL Inácio, JAB Gerald and MD Ortigueira

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:140426

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  18. Content type: Research Article

    We propose a method for blind multiuser detection (MUD) in synchronous systems over flat and fast Rayleigh fading channels. We adopt an autoregressive-moving-average (ARMA) process to model the temporal correl...

    Authors: Yufei Huang, Jianqiu (Michelle) Zhang, Isabel Tienda Luna, Petar M Djurić and Diego Pablo Ruiz Padillo

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:960165

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  19. Content type: Research Article

    We present the BER analysis of antenna array (AA) receiver in reverse-link asynchronous multipath Rician channels and analyze the performance of an improved AA system which applies a reverse-link synchronous t...

    Authors: Yong-Seok Kim and Keum-Chan Whang

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:815043

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  20. Content type: Research Article

    For practical wireless DS-CDMA systems, channel estimation is imperfect due to noise and interference. In this paper, the impact of channel estimation errors on multiuser detection (MUD) is analyzed under the ...

    Authors: Husheng Li and H Vincent Poor

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:807350

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  21. Content type: Research Article

    We consider the problem of transmitting a continuous source through an OFDM system. Multiple description scalar quantization (MDSQ) is applied to the source signal, resulting in two correlated source descripti...

    Authors: Zigang Yang, Dong Guo and Xiaodong Wang

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:782804

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  22. Content type: Research Article

    The optimum and many suboptimum iterative soft-input soft-output (SISO) multiuser detectors require a priori information about the multiuser system, such as the users' transmitted signature waveforms, relative...

    Authors: Wei Zhang, Claude D'Amours and Abbas Yongaçoğlu

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:721714

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  23. Content type: Research Article

    We consider factor-graph-based soft self-iterative equalization in wireless multipath channels. Since factor graphs are able to characterize multipath channels to per-path level, the corresponding soft self-it...

    Authors: Ben Lu, Guosen Yue, Xiaodong Wang and Mohammad Madihian

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:687651

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  24. Content type: Research Article

    Authors: Erdal Panayırcı, Costas Georghiades, Xiaodong Wang and Hakan A Çırpan

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:686907

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  25. Content type: Research Article

    We consider blind channel identification and signal separation in long-code CDMA systems. First, by modeling the received signals as cyclostationary processes with modulation-induced cyclostationarity, long-co...

    Authors: Tongtong Li, Weiguo Liang, Zhi Ding and Jitendra K Tugnait

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:621515

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  26. Content type: Research Article

    We propose a novel system architecture that employs a matching pursuit-based basis selection algorithm for directions of arrival estimation. The proposed system does not require a priori knowledge of the numbe...

    Authors: GüneşZ Karabulut, Tolga Kurt and Abbas Yongaçoglu

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:618605

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  27. Content type: Research Article

    This contribution considers turbo synchronization, that is to say, the use of soft data information to estimate parameters like carrier phase, frequency, or timing offsets of a modulated signal within an itera...

    Authors: Nele Noels, Vincenzo Lottici, Antoine Dejonghe, Heidi Steendam, Marc Moeneclaey, Marco Luise and Luc Vandendorpe

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:576206

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  28. Content type: Research Article

    In this contribution, the performance of wideband code-division multiple-access (W-CDMA) systems using space-time-spreading- (STS-) based transmit diversity is investigated, when frequency-selective Nakagami-

    Authors: Lie-Liang Yang and Lajos Hanzo

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:364197

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  29. Content type: Research Article

    The application of the expectation-maximization (EM) algorithm to channel estimation results in a well-known iterative channel-and-symbol estimator (ICSE). The EM-ICSE iterates between a symbol estimator based...

    Authors: Renato R Lopes and John R Barry

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:349390

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  30. Content type: Research Article

    The severity of fading on mobile communication channels calls for the combining of multiple diversity sources to achieve acceptable error rate performance. Traditional approaches perform the combining of the d...

    Authors: Ahmed Iyanda Sulyman and Maan Kousa

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:219758

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  31. Content type: Research Article

    We investigate the application of the Bayesian expectation-maximization (BEM) technique to the design of soft-in soft-out (SISO) detection algorithms for wireless communication systems operating over channels aff...

    Authors: AS Gallo and GM Vitetta

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:201802

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  32. Content type: Research Article

    We propose a new multiple access control (MAC) protocol based on complementary code-code division multiple access (CC-CDMA) technology to resolve collisions among access-request packets in an ultra-wideband wi...

    Authors: Jiang Zhu and Abraham O Fapojuwo

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:190595

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  33. Content type: Research Article

    This paper first proposes a computationally efficient, pilot-aided linear minimum mean square error (MMSE) batch channel estimation algorithm for OFDM systems in unknown wireless fading channels. The proposed ...

    Authors: Habib Şenol, Hakan A Çırpan and Erdal Panayırcı

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:172340

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  34. Content type: Research Article

    In this paper, we consider the issue of blind detection of Alamouti-type differential space-time (ST) modulation in static Rayleigh fading channels. We focus our attention on a ...

    Authors: Michael LB Riediger, Paul KM Ho and Jae H Kim

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:135356

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  35. Content type: Research Article

    We consider distributed information retrieval for sensor networks with cluster heads or mobile access points. The performance metric used in the design is energy efficiency defined as the ratio of the average ...

    Authors: Qing Zhao and Lang Tong

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:125040

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  36. Content type: Research Article

    We analyze an optical wireless sensor network system that uses corner cube retroreflectors (CCRs). A CCR consists of three flat mirrors in a concave configuration. When a light beam enters the CCR, it bounces ...

    Authors: Shota Teramoto and Tomoaki Ohtsuki

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:930810

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  37. Content type: Research Article

    Infrared has abundant, unregulated bandwidth enabling rapid deployment at low cost. However, safety limits on power emission levels (IEC825), large noise due to ambient lighting, and multipath dispersion remai...

    Authors: Xavier N Fernando and Balakanthan Balendran

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:891074

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  38. Content type: Research Article

    The IEEE 802.11 protocol is emerging as a widely used standard and has become the most mature technology for wireless local area networks (WLANs). In this paper, we focus on the tuning of the IEEE 802.11 proto...

    Authors: P Chatzimisios, AC Boucouvalas and V Vitsas

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:576368

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  39. Content type: Research Article

    Authors: Anthony C Boucouvalas

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:241813

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  40. Content type: Research Article

    A number of attempts have been made in an effort to combine the advantages of line-of-sight and diffuse configurations for indoor optical wireless communications via sophisticated combinations of elements that...

    Authors: S Jivkova and M Kavehrad

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:201287

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  41. Content type: Research Article

    A hybrid pulse interval modulation code-division multiple-access (hPIM-CDMA) scheme employing the strict optical orthogonal code (SOCC) with unity and auto- and cross-correlation constraints for indoor optical...

    Authors: Z Ghassemlooy and CK See

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:162417

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  42. Content type: Research Article

    TinyTP is the IrDA transport layer protocol for indoor infrared communications. For the first time, this paper presents a mathematical model for TinyTP over the IrDA protocol stacks taking into account the pre...

    Authors: AC Boucouvalas and Pi Huang

    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:143678

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  43. Content type: Research Article

    In the downlink of a multiuser multiple-input multiple-output (MIMO) communication system, simultaneous transmission to several users requires joint optimization of the transmitted signals. Allowing all users ...

    Authors: Quentin H Spencer and A Lee Swindlehurst

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:960305

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  44. Content type: Research Article

    We study the uplink performance of MIMO systems in UTRA FDD using noise rise and system load as performance measures. Results show that the uplink coverage and capacity of the UTRA FDD mode are significantly i...

    Authors: Jyri Hämäläinen, Kari Pajukoski, Esa Tiirola, Risto Wichman and Juha Ylitalo

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:756193

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  45. Content type: Research Article

    Authors: A Lee Swindlehurst, Robert FH Fischer and Brian M Sadler

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:692303

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