Relevant bibliographies by topics / Parallel interference canceller (PIC)

Academic literature on the topic 'Parallel interference canceller (PIC)'

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Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "Parallel interference canceller (PIC)"

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Khan, Mr Wasim, Mrs Nilofar Khan, and Sanmati Jain. "BER performance analysis of Subtractive interference cancellation (SIC) Using Rayleigh channel in DS-CDMA Receiver system." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 13, no. 6 (June 30, 2014): 4603–14. http://dx.doi.org/10.24297/ijct.v13i6.2523.

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In this paper, we present and analyze the performance of a parallel interference cancellation (PIC) scheme for multicarrier (MC) direct-sequence code-division multiple-access (DS-CDMA) systems. In order to mitigate the multi-path interference (MPI) in the DS CDMA system. At each cancellation stage in the proposed PIC scheme, on each subcarrier, a weighted sum of the soft outputs of the other users in the current stage is cancelled from the soft output of the desired user to form the input to the next stage. At the last stage, the interference cancelled outputs from all the subcarriers are maximal ratio combined (MRC) to form the decision statistic. Parallel interference elimination is first proposed in this paper the multi-path interference are evaluated by tentative decision and known user information. Then the performance over Rayleigh fading channel are analyzed and compared to Matched filter, Decorelator, successive interference cancellation (SIC) and conventional parallel interference cancellation (PIC). It is shown that PIC performance can be improved greatly by using this method with simple structure and easy implementation.
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Tikiya, V., S. Manohar, and A. Chockalingam. "SIR-optimized weighted linear parallel interference canceller on fading channels." IEEE Transactions on Wireless Communications 5, no. 8 (August 2006): 1998–2003. http://dx.doi.org/10.1109/twc.2006.1687711.

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Kohli, Amit Kumar, and D. K. Mehra. "Adaptive Multiuser Decision Feedback Detector: A Novel Parallel Interference Canceller." Wireless Personal Communications 44, no. 4 (September 13, 2007): 361–70. http://dx.doi.org/10.1007/s11277-007-9361-5.

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Yue, Yun Tao, Zhi Hong Liu, and Yan Lin. "A Novel Three-Phase Power Factor Correction with Digital Control." Applied Mechanics and Materials 313-314 (March 2013): 365–69. http://dx.doi.org/10.4028/www.scientific.net/amm.313-314.365.

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A new three-phase power-factor-correction (PFC) scheme is discussed using two single phase power factor correction circuit parallel connected. Two phase orthonormal voltage is produced by means of a auto transformer from a three phase input,fluctuation of neutral point by three single phase power-factor-correction circuit parallel connected is canceled,coupling interference is reduced among three phases,digitally controlled Power Factor Correction Boost Converters is adapted,input current wave sine with unity power factor suppress the secondary harmonic of input AC side is realized,voltage and low current stresses across each switch are reduced. Simulation and experimental results prove that it can achieve high power factor,low current,good capability of anti-interference and high reliability.
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Yang, T., and J. Yuan. "Performance of MIMO-BICM with parallel interference canceller on slow fading channels." Electronics Letters 42, no. 22 (2006): 1292. http://dx.doi.org/10.1049/el:20062430.

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Deng, Juinn-Horng, and Sheng-Yang Huang. "Partial PIC-MRC Receiver Design for Single Carrier Block Transmission System over Multipath Fading Channels." International Journal of Antennas and Propagation 2012 (2012): 1–9. http://dx.doi.org/10.1155/2012/910824.

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Single carrier block transmission (SCBT) system has become one of the most popular modulation systems due to its low peak-to-average power ratio (PAPR), and it is gradually considered to be used for uplink wireless communication systems. In this paper, a low complexity partial parallel interference cancellation (PIC) with maximum ratio combining (MRC) technology is proposed to use for receiver to combat the intersymbol interference (ISI) problem over multipath fading channel. With the aid of MRC scheme, the proposed partial PIC technique can effectively perform the interference cancellation and acquire the benefit of time diversity gain. Finally, the proposed system can be extended to use for multiple antenna systems to provide excellent performance. Simulation results reveal that the proposed low complexity partial PIC-MRC SIMO system can provide robust performance and outperform the conventional PIC and the iterative frequency domain decision feedback equalizer (FD-DFE) systems over multipath fading channel environment.
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Yung-Fa Huang, Ho-Lung Hung, and Jyh-Horng Wen. "Performance of a Novel Adaptive Multistage Full Parallel Interference Canceller for CDMA Systems." IEEE Transactions on Vehicular Technology 57, no. 3 (May 2008): 1944–51. http://dx.doi.org/10.1109/tvt.2007.907085.

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Lee, Shu-Hong, Ho-Lung Hung, Yung-Fa Huang, and Jyh-Horng Wen. "Performance analysis of PSO-based parallel interference canceller for MC-CDMA communication systems." European Transactions on Telecommunications 20, no. 3 (April 2009): 287–97. http://dx.doi.org/10.1002/ett.1313.

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Manglayev, Talgat, Refik Kizilirmak, and Nor Hamid. "GPU Accelerated PIC and SIC for OFDM-NOMA." Electronics 8, no. 3 (February 26, 2019): 257. http://dx.doi.org/10.3390/electronics8030257.

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Non-orthogonal multiple access (NOMA) is a candidate multiple access scheme for the fifth-generation (5G) cellular networks. In NOMA systems, all users operate at the same frequency and time, which poses a challenge in the decoding process at the receiver side. In this work, the two most popular receiver structures, successive interference cancellation (SIC) and parallel interference cancellation (PIC) receivers, for NOMA reverse channel are implemented on a graphics processing unit (GPU) and compared. Orthogonal frequency division multiplexing (OFDM) is considered. The high computational complexity of interference cancellation receivers undermines the potential deployment of NOMA systems. GPU acceleration, however, challenges this weakness, and our numerical results show speedups of about from 75–220-times as compared to a multi-thread implementation on a central processing unit (CPU). SIC and PIC multi-thread execution time on different platforms reveals the potential of GPU in wireless communications. Furthermore, the successful decoding rates of the SIC and PIC are evaluated and compared in terms of bit error rate.
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Wen, J. H., and Y. F. Huang. "Fuzzy-based adaptive partial parallel interference canceller for CDMA communication systems over fading channels." IEE Proceedings - Communications 149, no. 2 (April 1, 2002): 111–16. http://dx.doi.org/10.1049/ip-com:20020308.

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Dissertations / Theses on the topic "Parallel interference canceller (PIC)"

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Karim, Md Anisul. "Weighted layered space-time code with iterative detection and decoding." School of Electrical & Information Engineering, 2006. http://hdl.handle.net/2123/1095.

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Master of Engineering (Research)
Multiple antenna systems are an appealing candidate for emerging fourth-generation wireless networks due to its potential to exploit space diversity for increasing conveyed throughput without wasting bandwidth and power resources. Particularly, layered space-time architecture (LST) proposed by Foschini, is a technique to achieve a significant fraction of the theoretical capacity with a reasonable implementation complexity. There has been a great deal of challenges in the detection of space-time signal; especially to design a low-complexity detector, which can efficiently remove multi-layer interference and approach the interference free bound. The application of iterative principle to joint detection and decoding has been a promising approach. It has been shown that, the iterative receiver with parallel interference canceller (PIC) has a low linear complexity and near interference free performance. Furthermore, it is widely accepted that the performance of digital communication systems can be considerably improved once the channel state information (CSI) is used to optimize the transmit signal. In this thesis, the problem of the design of a power allocation strategy in LST architecture to simultaneously optimize coding, diversity and weighting gains is addressed. A more practical scenario is also considered by assuming imperfect CSI at the receiver. The effect of channel estimation errors in LST architecture with an iterative PIC receiver is investigated. It is shown that imperfect channel estimation at an LST receiver results in erroneous decision statistics at the very first iteration and this error propagates to the subsequent iterations, which ultimately leads to severe degradation of the overall performance. We design a transmit power allocation policy to take into account the imperfection in the channel estimation process. The transmit power of various layers is optimized through minimization of the average bit error rate (BER) of the LST architecture with a low complexity iterative PIC detector. At the receiver, the PIC detector performs both interference regeneration and cancellation simultaneously for all layers. A convolutional code is used as the constituent code. The iterative decoding principle is applied to pass the a posteriori probability estimates between the detector and decoders. The decoder is based on the maximum a posteriori (MAP) algorithms. A closed-form optimal solution for power allocation in terms of the minimum BER is obtained. In order to validate the effectiveness of the proposed schemes, substantial simulation results are provided.
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Wang, Yongjian, and Tingxian Zhou. "THE RESEARCH OF A NEW MULTIUSER DETECTION SCHEME COMBINING DECORRELATING DETECTOR AND PARTIAL PARALLEL INTERFERENCE CANCELLER." International Foundation for Telemetering, 2004. http://hdl.handle.net/10150/604934.

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International Telemetering Conference Proceedings / October 18-21, 2004 / Town & Country Resort, San Diego, California
The decorrelating detector can afford good data estimates because it does not need to know many parameters of the received signal. However, it shows great performance deprivation when the background noise is high. On the other hand, partial parallel interference canceller(PPIC) has the potential to combat the near-far problem and have much lower computation complexity. But its performance depends on the initial data estimate. An improved PPIC scheme is proposed in this paper to combat the near-far problem. It utilizes the advantages of the two detectors by combining them. The focus of this paper is on the BER performance and the near-far resistance capability of the proposed scheme. Computer simulations demonstrate that the proposed detector has good BER performance and near-far resistance capability.
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SHARMA, ANSHUL. "Performance Analysis of MC-CDMA and CI/MC-CDMA Using Interference Cancellation Techniques." University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1218826853.

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Wang, Beibei. "Improved Statistical Interference Suppression Techniques in Single and Multi-rate Direct Sequence Spread Spectrum Code Division Multiple Access Systems." Ohio University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1173119961.

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Nguyen, Anh-Minh Ngoc. "High-Quality Detection in Heavy-Traffic Avionic Communication System Using Interference Cancellation Techniques." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/29069.

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This dissertation focuses on quantifying the effects of multi-user co-channel interference for an avionic communication system operating in a heavy-traffic aeronautical mobile environment and proposes advanced interference cancellation techniques to mitigate the interference. The dissertation consists of two parts. The first part of the work investigates the use of a visualization method to quantify and characterize the multi-user co-channel interference (multiple access interference) effects impinging on an avionic communication system. The interference is caused by complex interactions of thousands of RF signals transmitted from thousands of aircraft; each attempts to access a common communication channel, which is governed by a specific channel contention access protocol. The visualization method transforms the co-channel interference, which is specified in terms of signal-overlaps (signal collisions), from a visual representation to a matrix representation for further statistical analysis. It is found that the statistical Poisson and its cumulative distribution provide the best estimates of multi-user co-channel interference. It is shown, using Monte Carlo simulation, that the co-channel interference of a victim aircraft operating in the heavy-traffic environment could result in as high as eight signal-overlaps. This constitutes to approximately 83.4% of success rate in signal detection for the entire three thousand aircraft environment using conventional FSK receiver. One key finding shows that high-quality communications, up to 98.5% success rate, is achievable if only three overlapping signals can be decoded successfully. The interference results found in the first part set the stage for interference cancellation research in the second part. The second part of the work proposes the use of advanced interference cancellation techniques, namely sequential interference cancellation (SIC) and parallel interference cancellation (PIC), as potential solutions to mitigating the interference effects. These techniques can be implemented in radio receivers to perform multi-signal decoding functionality to remove the required interferers (three overlapping signals) so that high-quality communication, as described in the first part, can be achieved. Various performance graphs are shown for B-FSK and B-PSK for both SIC and PIC techniques. One key finding is that the system performance can be improved substantially to an additional 15% in signal reception success rate by using SIC or PIC. This means that critical information transmitted from 450 aircraft (out of approximately three thousand aircraft in the environment) is preserved and successfully decoded. Multi-signal decoding using these interference cancellation receivers comes at a small penalty of 2 - 4.5 dBs in Eb/No when sufficient signal-to-interference (SIR) ratio (7-12 dB) is provided.
Ph. D.
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Junior, José Valdemir dos Reis. "Modelagem de redes CDMA-PON baseadas em técnicas de cancelamento paralelo e códigos corretores de erros." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18155/tde-14122009-105507/.

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A oferta de novos serviços para os usuários finais, como o denominado triple play, que consiste no tráfego simultâneo de voz, vídeo e dados utilizando a mesma infra-estrutura de comunicação, vem exigindo que as estruturas de rede das operadoras ofereçam largura de banda adequada e qualidade de serviço. Nesse contexto, as redes ópticas passivas (PON) vêm se destacando em virtude de oferecerem maior largura de banda a custos relativamente baixos. Nas redes ópticas passivas, trechos de fibras ópticas podem ser compartilhados entre diversos assinantes, exigindo, para isso, a utilização de técnicas de controle de acesso múltiplo. Destaque maior é dado à técnica de acesso múltiplo por divisão de códigos ópticos (OCDMA), por apresentar características tais como maior segurança e capacidade flexível sob demanda. O desempenho dessa tecnologia é basicamente limitado pela interferência de acesso múltiplo, ou interferência multiusuário (MAI). No presente trabalho, cenários OCDMA-PON utilizando códigos ópticos unidimensionais, baseados na codificação prima modificada (MPC), e bidimensionais, baseados na codificação óptica ortogonal de múltiplos comprimentos de onda (MWOOC), são descritos, e seus respectivos desempenhos investigados. Os desempenhos desses sistemas são verificados utilizando-se os seguintes esquemas de modulação: 1) On-off Keying (OOK), cujo formalismo para a codificação padded MPC (PMPC) e double padded MPC (DPMPC) foi aqui desenvolvido, 2) por posição de pulso (PPM), considerando os ruídos poissonianos de deteção, cujo formalismo foi também aqui desenvolvido, 3) por posição de pulso (PPM) considerando apenas a interferência de acesso múltiplo (MAI), 4) semelhante ao (3), porém, utilizando a técnica mitigadora de MAI via cancelamento paralelo de interferência (PIC), e 5) semelhante ao (4) porém utilizando modulação por chaveamento de frequência (FSK). Em seguida, a codificação bidimensional MWOOC, utilizando modulação OOK, é analisada com e sem a utilização de PIC. Além desses esquemas, são também incluídas, pela primeira vez nesses formalismos, técnicas de correção posterior de erro (FEC) baseadas no algoritmo Reed-Solomon (RS). A figura de mérito adotada nas simulações é baseada no cálculo da taxa de erro de bit (BER). Os resultados obtidos para os diversos casos investigados neste trabalho indicam que a combinação PIC/FEC deve ser considerada de modo a se obter níveis de BER compatíveis com a região livre de erros (BER < \'10 POT.-12\') para os cenários de redes de acesso atuais e futuros (visando atender a 32 ou 64 usuários simultâneos).
The advent of new services offered to end users, such as the so called triple play, which consists in the simultaneous traffic of voice, video, and data through the same communication infrastructure, has been pushing telecom operators towards providing adequate bandwidth as well as quality of service. This has brought the spotlight to passive optical networks (PONs) by virtue of their considerably higher bandwidth at relatively low cost. In PONs, certain fiber optic spans can be shared among different users as long as multiple access control techniques are used. One such technique is the optical code division multiple access (OCDMA) technique, which, in addition, presents improved data security and flexible capacity on demand. The performance of this technology is basically limited by multi access interference (MAI), which becomes more severe as the number of simultaneous users increases. In the present work, OCDMA-PON scenarios utilizing one- and two-dimensional optical codes separately such as modified prime codes (MPC) and multi-wavelength optical orthogonal codes (MWOOC), are described and thoroughly investigated. The performances of these systems are investigated based on the following modulation schemes: 1) On-off keying (OOK), where a new formalism for the double-padded MPC is proposed, 2) Pulse position modulation (PPM), and 3) Frequency shift keying (FSK) together with MAI mitigation technique based on parallel interference cancelation (PIC). Besides these schemes, it is also included for the first time in these formalisms forward error correction techniques (FEC) based on the Reed-Solomon (RS) algorithm. The figure of merit adopted in all simulations is the bit error rate (BER). The results obtained for the cases investigated in this work indicate that the combination PIC/FEC must be considered if one is interested in obtaining BER levels compatible with the error-free region (BER < \'10 POT.-12\') for the current and future access network scenarios (aiming at attending 32 or 64 simultaneous users).
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Conference papers on the topic "Parallel interference canceller (PIC)"

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Zhou, Xiuli, Yunjiang Rao, Zengling Ran, and Hu Yu. "Parallel interference canceller using group information codes." In Asia-Pacific Optical Communications, edited by Rodney S. Tucker, Dominique Chiaroni, Wanyi Gu, and Ken-ichi Kitayama. SPIE, 2005. http://dx.doi.org/10.1117/12.628932.

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Jeszensky, Paul Jean E., and Taufik Abrão. "A Parallel Interference Canceller Scheme for Multirate DS-CDMA Systems." In 2002 International Telecommunications Symposium. Sociedade Brasileira de Telecomunicações, 2002. http://dx.doi.org/10.14209/its.2002.927.

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Michelini, Marco, Romano Fantacci, and Dania Marabissi. "Selective parallel interference cancellation (S-PIC) receiver for MC-CDMA systems." In ITCom 2002: The Convergence of Information Technologies and Communications, edited by Carl R. Nassar. SPIE, 2002. http://dx.doi.org/10.1117/12.455406.

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Hwang, Chien-Hwa, Chang-Su Kim, and C. C. Jay Kuo. "Performance analysis of multistage linear parallel interference canceller in long-code CDMA systems." In ITCom 2001: International Symposium on the Convergence of IT and Communications, edited by Vijay K. Garg, Carl R. Nassar, and Steve J. Shattil. SPIE, 2001. http://dx.doi.org/10.1117/12.447385.

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Cheng, Chia-Hsin, Hsi-Chou Hsu, Yung-Fa Huang, Jyh-Horng Wen, and Ling-Cheng Hsu. "Performance of an adaptive PSO partial parallel interference canceller for CDMA communication systems." In 5th International ICST Conference on Wireless Internet. IEEE, 2010. http://dx.doi.org/10.4108/icst.wicon2010.8626.

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Yung-Fa Huang and Jyh-Horng Wen. "An adaptive full parallel interference canceller with imperfect channel estimation for CDMA systems." In Fourth Annual ACIS International Conference on Computer and Information Science (ICIS'05). IEEE, 2005. http://dx.doi.org/10.1109/icis.2005.24.

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Huang, Yung-fa, and Jen-yung Lin. "Performance of a Near-Far Resistant Full Parallel Interference Canceller for CDMA Communication Systems." In 2006 10th IEEE Singapore International Conference on Communication Systems. IEEE, 2006. http://dx.doi.org/10.1109/iccs.2006.301448.

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Vinhoza, Tiago, Rodrigo De Lamare, and Raimundo Sampaio-Neto. "Blind Adaptive Linear Parallel Interference Canceller for DS-CDMA in Frequency Selective Fading Channels." In 2006 IEEE Ninth International Symposium on Spread Spectrum Techniques and Applications. IEEE, 2006. http://dx.doi.org/10.1109/isssta.2006.311773.

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Takanashi, Masaki, Toshihiko Nishimura, Yasutaka Ogawa, and Takeo Ohgane. "MIMO-UWB Systems with Parallel Interference Canceller Using Timing Control Scheme in LOS Environments." In 2007 IEEE Wireless Communications and Networking Conference. IEEE, 2007. http://dx.doi.org/10.1109/wcnc.2007.301.

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Jain, Samta. "Implementation of parallel interference cancellation algorithm for rake receiver and comparison with convention PIC." In 2013 Annual International Conference on Emerging Research Areas (AICERA) - 2013 International Conference on Microelectronics, Communications and Renewable Energy (ICMiCR). IEEE, 2013. http://dx.doi.org/10.1109/aicera-icmicr.2013.6575937.

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