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  1. A multicarrier access and routing system has been proposed for use in wireless networks. Users within each cell access a radio port (RP). All RPs are connected to a radio exchange node (REN) which routes the c...

    Authors: Diakoumis Gerakoulis
    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:920219
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. Authors: Biao Chen, Wendi B Heinzelman, Mingyan Liu and Andrew T Campbell
    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:321260
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. Authors: Frederik Petré, Ahmet Kondoz, Stefan Kaiser and Ashish Pandharipande
    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:513631
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. Authors: Erdal Panayırcı, Costas Georghiades, Xiaodong Wang and Hakan A Çırpan
    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:686907
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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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