OFDM/OQAM: A Solution to Efficiently Increase the Capacity of Future PLC Networks

Achaichia, Pierre; Bot, Marie Le; Siohan, Pierre

doi:10.1109/tpwrd.2011.2140341

Cited by 25 publications

(20 citation statements)

References 8 publications

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“…The theoretical throughput of the ELT-MCM and windowed OFDM system will be compared in this section considering an in-home PLC scenario. Following the same process as in [23], [24], ELT-MCM will be evaluated with a 0-tap, 3-tap and 5-tap equalizer, while a zero-forcing equalizer will be used in windowed OFDM.…”

Section: Simulation Resultsmentioning

confidence: 99%

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Throughput Analysis of Wavelet OFDM in Broadband Power Line Communications

2018

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Windowed orthogonal frequency-division multiplexing (OFDM) and wavelet OFDM have been proposed as medium access techniques for broadband communications over the power line network by the standard IEEE 1901. Windowed OFDM has been extensively researched and employed in different fields of communication, while wavelet OFDM, which has been recently recommended for the first time in a standard, has received less attention. This work is aimed to show that wavelet OFDM, which basically is an Extended Lapped Transform-based multicarrier modulation (ELT-MCM), is a viable and attractive alternative for data transmission in hostile scenarios, such as in-home PLC. To this end, we obtain theoretical expressions for ELT-MCM of: 1) the useful signal power, 2) the inter-symbol interference (ISI) power, 3) the inter-carrier interference (ICI) power, and 4) the noise power at the receiver side. The system capacity and the achievable throughput are derived from these. This study includes several computer simulations that show that ELT-MCM is an efficient alternative to improve data rates in PLC networks. Index TermsPower line communications (PLC), orthogonal frequency-division multiplexing (OFDM), Extended Lapped Transform-based multicarrier modulation (ELT-MCM), multicarrier transceiver, multicarrier modulation (MCM), filter bank multicarrier (FBMC), discrete cosine transform, discrete sine transform, prototype filter, IEEE 1901. DRAFT Channel partitioning methods have become part of several standards for broadband wireless and wireline communications. The idea behind these techniques is to convert a broadband frequency channel into a set of overlapping and (nearly) orthogonal frequency-flat subchannels [1]. Orthogonal Frequency Division Multiplexing (OFDM), with or without windowing, is the most widely recommended technique and employs cyclic prefix (CP) or zeros as redundant samples to carry out the channel partition [2]. Recently, filter bank multicarrier (FBMC) systems have attracted a great deal of research attention, with the difference that the partitioning is performed by means of pulse shaping, with good properties in time and frequency, with no additional redundant samples [3]. FBMC system is now proposed as an attractive alternative to OFDM as the modulation scheme of the fifth generation of wireless networks (5G) [4]-[9] . The popularity of power line communications (PLC) for smart grids, and for outdoors and in-home communication systems, has grown a great deal [10]-[17]. It can be a good solution for the 'last mile' problem, since it provides broadband communication to isolated places where other communication systems are not in place, and for the 'last inch' problem, since it implements indoor high-speed networks [18]. IEEE Std 1901 [19] defines a standard for broadband over power line (BPL) devices via electric power lines. All classes of BPL devices are considered for the use of this standard, including BPL devices used for smart energy applications or applications in transportation platforms (vehicles).As medium...

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Section: Simulation Resultsmentioning

confidence: 99%

“…in which SER is the symbol error rate and Q −1 is the inverse tail probability of the standard normal distribution [1], [3]. On the other hand, the SINR of the windowed OFDM system using one-tap zero forcing (ZF) is derived in [24]:…”

Section: A Windowed Ofdm Phymentioning

confidence: 99%

Throughput Analysis of Wavelet OFDM in Broadband Power Line Communications

2018

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“…Suppose all nodes in the network become isolated After after deleting m nodes, which makes all nodes in the network are isolated nodes, then at which point the network connection is completely disintegratelost. The anti-destroying degree of network G is defined in (8).as:…”

Section: B Analysis Of Anti-destroying Abilitymentioning

confidence: 99%

Reliability and Survivability Analysis of Artificial Cobweb Network Model Used in the Low-Voltage Power-Line Communication System

Zhang

Liu

Pang

et al. 2016

IEEE Trans. Power Delivery

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In order to verify the feasibility of the artificial cobweb model used in low-voltage power line communication (LVPLC) routing to improve the reliability of LVPLC, the allterminal reliability of the artificial cobweb model has been calculated based on the factorization method in this paper. Specifically,Analysis shows that the proposed artificial cobweb shows much better survivability than existing tree and ring network topologies, i.e., tree and ring. Simulation and experimental results of delay, throughput and bit bit-error ratio are supplemented further presented to verify the correctness of the theoretical analysis about the reliability and survivability of power line communicationLVPLC networks based on the artificial cobweb model, which further proves the feasibility of the artificial cobweb model used infor LVPLC routing. Those These results potentially provide guideline to practical LVPLC system desigen.

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“…In SISO-PLC systems with Windowed-OFDM, the interference power on a given subcarrier depends on the signal power on all subcarriers [9,11]. Similarly, the interference power in the MIMO system at a given receiver antenna and on a given subcarrier depends on the signal power at all antennas and on all subcarriers [10].…”

Section: Mimo-windowed Ofdm Plc System Modelmentioning

confidence: 99%

BIT loading in MIMO-PLC systems with the presence of interference

Vo¹,

Amis²,

Chonavel³

et al. 2015

2015 23rd European Signal Processing Conference (EUSIPCO)

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In broadband indoor power line communication (PLC) systems, multiple input multiple output (MIMO) techniques have been introduced to address the increasing demand for high data rates under the constraint of limited allocated bandwidth. Whereas the self inter-antenna interference can be dealt with on each subcarrier, both inter-carrier and inter-symbol interference can occur yielding sub-optimal bit loading if not considered. In this paper, we extend to the MIMO case the lowcomplexity bit/power allocation algorithm, called Reduced Complexity Algorithm (RCA), that we previously applied to the SISO case. Based on the Greedy principle, the RCA takes the interference into account to optimize the bit loading. We consider two MIMO schemes: optimum eigen beamforming and spatial multiplexing. Simulation results show the efficiency of the RCA in terms of throughput and computation cost in both cases.

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OFDM/OQAM: A Solution to Efficiently Increase the Capacity of Future PLC Networks

Cited by 25 publications

References 8 publications

Throughput Analysis of Wavelet OFDM in Broadband Power Line Communications

Throughput Analysis of Wavelet OFDM in Broadband Power Line Communications

Reliability and Survivability Analysis of Artificial Cobweb Network Model Used in the Low-Voltage Power-Line Communication System

BIT loading in MIMO-PLC systems with the presence of interference

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