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  1. 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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  2. 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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  3. Content type: Research Article

    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

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  4. Content type: Research Article

    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

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  5. Content type: Research Article

    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

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  6. Content type: Research Article

    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

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  7. Content type: Research Article

    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

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  8. Content type: Research Article

    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

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  9. Content type: Research Article

    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

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  10. Content type: Research Article

    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

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  11. Content type: Research Article

    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

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  12. Content type: Research Article

    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

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  13. Content type: Research Article

    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

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  14. Content type: Research Article

    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

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  15. 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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  16. 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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  17. 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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  18. Content type: Research Article

    Wireless code-division multiple-access (CDMA) cellular downlink communications with transmit antenna arrays in multipath fading channels is studied. Various array signal processing techniques at the transmit e...

    Authors: Huaiyu Dai, Laurence Mailaender and HVincent Poor

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:219825

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  19. Content type: Research Article

    When combining a multicode CDMA system with convolutional coding, two methods have been considered in the literature. In one method, coding is across time in each multicode channel while in the other the codin...

    Authors: Jeongsoon Park, Jong-Han Lim and Saul B Gelfand

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:345156

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  20. Content type: Research Article

    We consider the problem of blind (i.e., without training sequences) linear mitigation of multiple-access interference in the uplink of quasi-synchronous multicarrier code-division multiple-access (MC-CDMA) sys...

    Authors: Giacinto Gelli, Luigi Paura and Francesco Verde

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:458564

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  21. Content type: Research Article

    We investigate rotated Walsh-Hadamard spreading matrices for a broadband MC-CDMA system with robust channel estimation in the synchronous downlink. The similarities between rotated spreading and signal space d...

    Authors: Ronald Raulefs, Armin Dammann, Stephan Sand, Stefan Kaiser and Gunther Auer

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:713902

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  22. Content type: Research Article

    While mobile hosts are evolving into full-IP enabled devices, there is a greater demand to provide a more flexible, reconfigurable, and scalable security mechanism in mobile communication systems beyond 3G (B3...

    Authors: Georgios Kambourakis, Angelos Rouskas and Stefanos Gritzalis

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:314541

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  23. Content type: Research Article

    Although numerous channel estimation and multiuser detection approaches have appeared for long-code uplink CDMA systems, joint performance study of channel estimators and symbol detectors remains largely open....

    Authors: Ping Liu and Zhengyuan Xu

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:616439

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  24. Content type: Research Article

    Receivers for long-code systems are for computational reasons usually based on simple matched-filter techniques, and hence suffer from multiaccess interference. Decorrelating RAKE and MMSE receivers do not hav...

    Authors: Quang Hieu Dang and Alle-Jan van der Veen

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:327410

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  25. Content type: Research Article

    This paper proposes a two-stage maximum likelihood estimation (TSMLE) technique suited for multitone code division multiple access (MT-CDMA) system. Here, an analytical framework is presented in the indoor env...

    Authors: Quazi Mehbubar Rahman, Abu B Sesay and Mostafa Hefnawi

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:601464

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  26. Content type: Research Article

    An algorithm for designing spreading sequences for an overloaded multicellular synchronous DS-CDMA system on uplink is introduced. The criterion used to measure the optimality of the design is the total weight...

    Authors: Paul Cotae

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:108689

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  27. Content type: Research Article

    The paper considers downlink space-frequency preequalizations techniques for time division duplex (TDD) MC-CDMA. We consider the use of antenna arrays at the base station (BS) and analytically derive different...

    Authors: Adão Silva and Atílio Gameiro

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:706371

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  28. Content type: Research Article

    We design multilevel coding (MLC) with a semi-bit interleaved coded modulation (BICM) scheme based on low density parity check (LDPC) codes. Different from the traditional designs, we joined the MLC and BICM t...

    Authors: Jia Hou, Yu Yi and Moon Ho Lee

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:709437

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  29. Content type: Research Article

    Multiple-access interference and interfinger interference limit the capacity of conventional single-carrier DS-CDMA systems. Even though multicarrier CDMA posses the advantages of conventional CDMA and OFDM, i...

    Authors: AS Madhukumar, Francois Chin, Ying-Chang Liang and Kai Yang

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:862051

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  30. Content type: Research Article

    The problem of propagation delay estimation in asynchronous long-code DS-CDMA multiuser systems is addressed. Almost all the methods proposed so far in the literature for propagation delay estimation are deriv...

    Authors: Marius Sirbu and Visa Koivunen

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:783232

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  31. Content type: Research Article

    Authors: Jitendra K Tugnait, Hui Liu, Guang Gong and Tongtong Li

    Citation: EURASIP Journal on Wireless Communications and Networking 2004 2004:720484

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  32. Content type: Research Article

    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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