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  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. Authors: Erdal Panayırcı, Costas Georghiades, Xiaodong Wang and Hakan A Çırpan
    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:686907
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. Authors: Anthony C Boucouvalas
    Citation: EURASIP Journal on Wireless Communications and Networking 2005 2005:241813
  26. 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
  27. 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
  28. 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
  29. 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
  30. This paper describes a multiuser scenario with several terminals acceding simultaneously to the same frequency channel. The objective is to design an optimal multiuser system that may be used as a comparative ...

    Authors: Antonio Pascual-Iserte, Ana I Pérez-Neira and MiguelÁngel Lagunas
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:864936
  31. 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
  32. The ability to predict transmission loss or field strength distribution is crucial for determining coverage in planning personal communication systems. This paper presents a practical method to accurately pred...

    Authors: Ming Liang and Qin Liu
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:697892
  33. Authors: A Lee Swindlehurst, Robert FH Fischer and Brian M Sadler
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:692303
  34. The capacity of a cellular multiuser MIMO system depends on various parameters, for example, the system structure, the transmit and receive strategies, the channel state information at the transmitter and the ...

    Authors: EA Jorswieck and H Boche
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:670321
  35. A serious shortcoming of current downlink power control methods is that their performance may be severely degraded when the downlink channel information is known imprecisely at the transmitter. In this paper, ...

    Authors: Mehrzad Biguesh, Shahram Shahbazpanahi and Alex B Gershman
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:624029
  36. In contrast to dirty-paper coding (DPC) which is largely information theoretic, this paper proposes a linear codec that can spatially multiplex the multiuser signals to realize the rich capacity of multiple-input...

    Authors: Zhengang Pan, Kai-Kit Wong and Tung-Sang Ng
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:612768
  37. A new blind channel estimation technique is proposed for space-time coded wideband CDMA systems using aperiodic and possibly multirate spreading codes. Using a decorrelating front end, the received signal is p...

    Authors: Youngchul Sung, Lang Tong and Ananthram Swami
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:471650
  38. Local multipoint distribution systems (LMDS), which are operating worldwide in the frequency range of 26 to 43 GHz, have large bandwidths of 0.1 up to 2 GHz but a limited area coverage of a few kilometers only...

    Authors: Ranjan Bose
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:325684
  39. We investigate the problem of scheduling for the uplink of a time-slotted multiuser multiple-input multiple-output (MIMO) system with sum capacity as the performance metric. We first consider scheduling users'...

    Authors: Semih Serbetli and Aylin Yener
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:296954
  40. This paper examines the optimum design of FIR precoders or equalizers for multiple-input multiple-output (MIMO) frequency-selective wireless channels. For the case of a left-coprime FIR channel, which arises g...

    Authors: Yongfang Guo and Bernard C Levy
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:249123
  41. We present a codeword adaptation algorithm for collaborative multibase wireless systems. The system is modeled with multiple inputs and multiple outputs (MIMO) in which information is transmitted using multico...

    Authors: Otilia Popescu and Christopher Rose
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:238617
  42. Recently, the remarkable capacity potential of multiple-input multiple-output (MIMO) wireless communication systems was unveiled. The predicted enormous capacity gain of MIMO is nonetheless significantly limit...

    Authors: Hongyuan Zhang and Huaiyu Dai
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:202654
  43. Iterative multiuser detection in a single-carrier broadband multiple-input multiple-output (MIMO) system is studied in this paper. A minimum mean squared error (MMSE) low-complexity multiuser receiver is deriv...

    Authors: Nenad Veselinovic, Tad Matsumoto and Markku Juntti
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:152856
  44. We extend three types of overloaded CDMA systems, by displacing in time the binary signature sequences of these systems: (1) random spreading (PN), (2) multiple-OCDMA (MO), and (3) PN/OCDMA (PN/O). For each of...

    Authors: Frederik Vanhaverbeke and Marc Moeneclaey
    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:851514

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