Conferences related to Multicarrier code division multiple access

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ICC 2021 - IEEE International Conference on Communications

IEEE ICC is one of the two flagship IEEE conferences in the field of communications; Montreal is to host this conference in 2021. Each annual IEEE ICC conference typically attracts approximately 1,500-2,000 attendees, and will present over 1,000 research works over its duration. As well as being an opportunity to share pioneering research ideas and developments, the conference is also an excellent networking and publicity event, giving the opportunity for businesses and clients to link together, and presenting the scope for companies to publicize themselves and their products among the leaders of communications industries from all over the world.


2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.


2020 IEEE International Symposium on Circuits and Systems (ISCAS)

The International Symposium on Circuits and Systems (ISCAS) is the flagship conference of the IEEE Circuits and Systems (CAS) Society and the world’s premier networking and exchange forum for researchers in the highly active fields of theory, design and implementation of circuits and systems. ISCAS2020 focuses on the deployment of CASS knowledge towards Society Grand Challenges and highlights the strong foundation in methodology and the integration of multidisciplinary approaches which are the distinctive features of CAS contributions. The worldwide CAS community is exploiting such CASS knowledge to change the way in which devices and circuits are understood, optimized, and leveraged in a variety of systems and applications.


GLOBECOM 2020 - 2020 IEEE Global Communications Conference

IEEE Global Communications Conference (GLOBECOM) is one of the IEEE Communications Society’s two flagship conferences dedicated to driving innovation in nearly every aspect of communications. Each year, more than 2,900 scientific researchers and their management submit proposals for program sessions to be held at the annual conference. After extensive peer review, the best of the proposals are selected for the conference program, which includes technical papers, tutorials, workshops and industry sessions designed specifically to advance technologies, systems and infrastructure that are continuing to reshape the world and provide all users with access to an unprecedented spectrum of high-speed, seamless and cost-effective global telecommunications services.


ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

The ICASSP meeting is the world's largest and most comprehensive technical conference focused on signal processing and its applications. The conference will feature world-class speakers, tutorials, exhibits, and over 50 lecture and poster sessions.


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Periodicals related to Multicarrier code division multiple access

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Communications Letters, IEEE

Covers topics in the scope of IEEE Transactions on Communications but in the form of very brief publication (maximum of 6column lengths, including all diagrams and tables.)


Communications Magazine, IEEE

IEEE Communications Magazine was the number three most-cited journal in telecommunications and the number eighteen cited journal in electrical and electronics engineering in 2004, according to the annual Journal Citation Report (2004 edition) published by the Institute for Scientific Information. Read more at http://www.ieee.org/products/citations.html. This magazine covers all areas of communications such as lightwave telecommunications, high-speed data communications, personal communications ...


Communications Surveys & Tutorials, IEEE

Each tutorial reviews currents communications topics in network management and computer and wireless communications. Available tutorials, which are 2.5 to 5 hours in length contains the original visuals and voice-over by the presenter. IEEE Communications Surveys & Tutorials features two distinct types of articles: original articles and reprints. The original articles are exclusively written for IEEE Communications Surveys & Tutorials ...


Communications, IEEE Transactions on

Telephone, telegraphy, facsimile, and point-to-point television, by electromagnetic propagation, including radio; wire; aerial, underground, coaxial, and submarine cables; waveguides, communication satellites, and lasers; in marine, aeronautical, space and fixed station services; repeaters, radio relaying, signal storage, and regeneration; telecommunication error detection and correction; multiplexing and carrier techniques; communication switching systems; data communications; and communication theory. In addition to the above, ...


Electrical and Computer Engineering, Canadian Journal of

The Canadian Journal of Electrical and Computer Engineering, issued quarterly, has been publishing high-quality refereed scientific papers in all areas of electrical and computer engineering since 1976. Sponsored by IEEE Canada (The Institute of Electrical and Electronics Engineers, Inc., Canada) as a part of its role to provide scientific and professional activity for its members in Canada, the CJECE complements ...


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Most published Xplore authors for Multicarrier code division multiple access

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Xplore Articles related to Multicarrier code division multiple access

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Multi-Rate De-Spreading Code

2007 IFIP International Conference on Wireless and Optical Communications Networks, 2007

An efficient methodology to construct direct sequence code division multiple access (DS-CDMA) de-coding scheme has been investigated. System correlation performance is provided and analyzed. Since the perfect orthogonal codes, such as Walsh code, are difficult to obtain massively in conventional DS-CDMA system. To increase the number of spreading code utilized in system, we usually adopt sub-orthogonal codes, such as Gold ...


Blind joint equalization and multiuser detection in dispersive MC-CDMA/MC-DS-CDMA/MT-CDMA channels

MILCOM 2002. Proceedings, 2002

The problem of demodulation of multiuser orthogonal frequency division multiplex-code division multiple access (OFDM-CDMA) in the presence of both multiple access interference (MAI) and intersymbol interference (ISI) is considered. Three types of OFDM-CDMA are presented: multicarrier code division multiple access (MC-CDMA), multicarrier direct sequence code division multiple access (MC-DS-CDMA) and multi-tone code division multiple access (MT-CDMA). The dispersive OFDM-CDMA channel ...


An adaptive PIC receiver with diversity combining for MC-DS-CDMA system

2003 IEEE 58th Vehicular Technology Conference. VTC 2003-Fall (IEEE Cat. No.03CH37484), 2003

An adaptive parallel interference cancellation (PIC) receiver with pre and post diversity combining for the multi-carrier direct sequence code division multiple access (MC-DS-CDMA) system is presented and its performance investigated. By taking advantage of the combining techniques before and after the adaptive PIC stage, the diversity provided by the MC-DS-CDMA system can be exploited to improve further the bit error ...


Performance of code division multiple access (CDMA) systems in Nakagami multipath fading channel

Proceedings of the Eighteenth National Radio Science Conference. NRSC'2001 (IEEE Cat. No.01EX462), 2001

Multicarrier CDMA system is characterized by a simpler receiver structure than the conventional RAKE receiver. Most of previous studies evaluated the performance of the MC-CDMA system in a Rayleigh multipath fading channel. This paper compares the performance of a RAKE receiver and MC-CDMA system in a Nakagami multipath fading. The Nakagami model, known as the m-distribution model, is a generalized ...


DS-CDMA, MC-CDMA and MT-CDMA for mobile multi-media communications

Proceedings of Vehicular Technology Conference - VTC, 1996

We present a comparison between direct sequence code division multiple access (DS-CDMA), multi-carrier (MC-) CDMA and multitone (MT-) CDMA schemes in terms of the transmitter and receiver structure. We discuss their down-link bit error rate performance in a frequency selective Rayleigh fading channel by computer simulation.


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Educational Resources on Multicarrier code division multiple access

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IEEE.tv Videos

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IEEE-USA E-Books

  • Multi-Rate De-Spreading Code

    An efficient methodology to construct direct sequence code division multiple access (DS-CDMA) de-coding scheme has been investigated. System correlation performance is provided and analyzed. Since the perfect orthogonal codes, such as Walsh code, are difficult to obtain massively in conventional DS-CDMA system. To increase the number of spreading code utilized in system, we usually adopt sub-orthogonal codes, such as Gold sequences. Although the number of codes is extensively increased, the multiple access interference (MAI) problem has to be treated more carefully. Especially while lots of users access the DS-CDMA system at the same time. In this study, we proposed a CDMA de-spreading scheme worked in receiver part The MAI can be treated efficiently in the proposed multi-rate de-spreading scheme.

  • Blind joint equalization and multiuser detection in dispersive MC-CDMA/MC-DS-CDMA/MT-CDMA channels

    The problem of demodulation of multiuser orthogonal frequency division multiplex-code division multiple access (OFDM-CDMA) in the presence of both multiple access interference (MAI) and intersymbol interference (ISI) is considered. Three types of OFDM-CDMA are presented: multicarrier code division multiple access (MC-CDMA), multicarrier direct sequence code division multiple access (MC-DS-CDMA) and multi-tone code division multiple access (MT-CDMA). The dispersive OFDM-CDMA channel is first cast into a multiple input multiple output (MIMO) signal framework. Then, using a subspace method, it is shown that each user's channel impulse response can be estimated using the knowledge of the user's signature waveform. It is further shown that, using the user's channel impulse response and the identified signal subspace, a blind linear minimum mean square error (MMSE) detector and a blind zero-forcing decorrelator detector can be constructed in closed form. The proposed detectors are attractive for their higher spectral efficiency, which is achieved by the elimination of cyclic prefix and training sequences. Further a comparison of MC-CDMA/MC-DS-CDMA/MT-CDMA with direct sequence code division multiple access (DS-CDMA) is then presented. The paper's major contribution is the development of the sub-space blind techniques.

  • An adaptive PIC receiver with diversity combining for MC-DS-CDMA system

    An adaptive parallel interference cancellation (PIC) receiver with pre and post diversity combining for the multi-carrier direct sequence code division multiple access (MC-DS-CDMA) system is presented and its performance investigated. By taking advantage of the combining techniques before and after the adaptive PIC stage, the diversity provided by the MC-DS-CDMA system can be exploited to improve further the bit error probability performance and increase the user/data capacity. Results show that this adaptive PIC receiver outperforms the conventional PIC receiver for MC-DS-CDMA systems. However, our studies reveal that this can only be achieved with the appropriate selection of the step size and the choice of initial weights, especially when the processing gain is low. Results also show that the advantage of using the adaptive PIC beyond the first stage of the multi-stage interference cancellation structure is only apparent when the level of MAI is high.

  • Performance of code division multiple access (CDMA) systems in Nakagami multipath fading channel

    Multicarrier CDMA system is characterized by a simpler receiver structure than the conventional RAKE receiver. Most of previous studies evaluated the performance of the MC-CDMA system in a Rayleigh multipath fading channel. This paper compares the performance of a RAKE receiver and MC-CDMA system in a Nakagami multipath fading. The Nakagami model, known as the m-distribution model, is a generalized model as it includes Gaussian, Rayleigh and Rice fading as special cases by changing the Nakagami parameter m. On the other hand, the Nakagami model has been shown by many in the literature to be the closest model to the indoor mobile radio channel. According to our analysis, we found that the MC-CDMA system outperforms the practical RAKE receiver, in which the number of RAKE fingers is less than the maximum resolvable paths of the channel. Moreover, the MC-CDMA system outperforms the RAKE receiver in lower diffusive channels.

  • DS-CDMA, MC-CDMA and MT-CDMA for mobile multi-media communications

    We present a comparison between direct sequence code division multiple access (DS-CDMA), multi-carrier (MC-) CDMA and multitone (MT-) CDMA schemes in terms of the transmitter and receiver structure. We discuss their down-link bit error rate performance in a frequency selective Rayleigh fading channel by computer simulation.

  • CDMA2000 for a satellite environment

    CDMA2000 is the American telecommunication standard for 3G. It is a wideband spread spectrum radio interface designed to provide high data rates and multimedia services to the wireless user. It has two modes of operation, 1X (DS-CDMA) and 3X (MC-CDMA). In this paper, we compare the forward link performance of the two modes for a satellite environment. In order to focus our comparison on the transmission technology (DS-CDMA, MC-CDMA), two services with similar data rates and the same coding scheme, are studied.

  • Design and performance of OFDM-CDMA system in fading channels

    None

  • An enhanced DQRUMA/MC-CDMA protocol for packet-based multi-service traffic

    We introduce an enhanced DQRUMA/MC-CDMA protocol for wireless packet networks. The original DQRUMA/MC-CDMA protocol may suffer severe code collisions due to a limited number of request codes. An enhanced DQRUMA/MC-CDMA protocol using minislots for request accesses is proposed to reduce request collisions. In the proposed protocol, request attempts can be transmitted concurrently with data packets of other calls. The performance of the proposed protocol is evaluated by simulation and its result shows that the proposed protocol outperforms the original DQRUMA/MC-CDMA protocol in terms of average total delay for data traffic and packet loss rate for voice/video traffic.

  • Effects of Subcarrier Power Allocation on an Interference Avoidance Code Assignment Strategy for Multirate MC-DS-CDMA Systems

    In this paper, we propose a joint subcarrier power allocation (SPA) and code assignment scheme for the synchronous multirate multicarrier direct-sequence code-division multiple-access (MC-DS-CDMA) system with time- and frequency- domain spreadings. Based on the newly defined metric multiple-access interference (MAI) coefficient, the proposed code assignment strategy can quantitatively predict the incurred MAI before assigning a spreading code. The SPA mechanism aims to maximize the received signal power. In addition to lowering the MAI, the proposed code assignment strategy further considers the compactness of the assigned codes in the entire 2-D tree structure. The simulation results show that the proposed joint SPA and code assignment strategy not only can reach a better received signal quality but can also achieve a high call admission rate.

  • Effect of chip waveform shaping on the performance of multicarrier CDMA systems

    This paper studies the effect of chip waveform shaping on the performance of band-limited multicarrier direct-sequence code-division multiple-access (MC- DS-CDMA) systems. The performance criterion is the average multiple access interference at the output of a correlation receiver. A criterion based on the elementary density function is introduced for the performance comparison of various chip waveforms. It is demonstrated that the performance of MC-DS-CDMA systems is quite insensitive to the chip waveform shaping. Moreover, the optimum chip waveform for MC-DS-CDMA systems is practically the same as that of a single-carrier DS-CDMA system.



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