Results 11 to 20 of about 1,168,884 (326)
Peak to Average Power Ratio Reduction in NC–OFDM Systems [PDF]
Abstract Non contiguous orthogonal frequency division multiplexing (NC-OFDM) is an efficient and adaptable multicarrier modulation scheme to be used in cognitive radio communications. However like OFDM, NC-OFDM also suffers from the main drawback of high peak to average power ratio (PAPR).
Tabassum, Saadia +2 more
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Peak-to-Average Power Ratio analysis in MIMO systems [PDF]
In this paper, we analyze the Peak-to-Average Power Ratio (PAPR) in Multiple Input Multiple Output (MIMO) systems based on Alamouti diversity scheme. This analysis is at both transmitter and re- ceiver sides with channel influences. By giving mathematical formulations of the Alamouti scheme signals, we give an upper bound of this signal when Nyquist ...
Rihawi, Basel, Louët, Yves
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Peak to Average Power Ratio Analysis for LTE Systems [PDF]
The 3rd generation partnership project (3GPP) long term evolution (LTE) standard uses single carrier frequency division multiple access (SCFDMA) scheme for the uplink transmissions and orthogonal frequency division multiplexing access (OFDMA) in downlink.
M.M. Rana +2 more
openaire +3 more sources
Multicarrier faster-than-Nyquist (MFTN) is a spectral efficient transmission scheme for future communication systems. However, as one of the most important drawbacks of multicarrier transmission systems, the peak-to-average power ratio (PAPR) of MFTN ...
Aijun Liu +5 more
doaj +2 more sources
A Novel Partial Transmitting Sequence Technique for Peak-to -Average Power Ratio Reduction in Multicarrier Transmission Systems [PDF]
As an attractive technique for the reduction of the peak-to-average power ratio (PAPR) of multi-carrier transmission systems is proposed. The conventional partial transmitting sequence (PTS) combining can improve the PAPR statistics of a multi-carrier ...
Ho-Lung Hung
doaj +2 more sources
Peak-to-Average Power Ratio of Good Codes for Gaussian Channel [PDF]
Consider a problem of forward error-correction for the additive white Gaussian noise (AWGN) channel. For finite blocklength codes the backoff from the channel capacity is inversely proportional to the square root of the blocklength. In this paper it is shown that codes achieving this tradeoff must necessarily have peak-to-average power ratio (PAPR ...
Polyanskiy, Yury, Wu, Yihong
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A Low Complexity Partial Transmit Sequence for Peak to Average Power Ratio Reduction in OFDM Systems
Partial transmit sequence (PTS) is one of the most important techniques for reducing the peak to average power ratio (PAPR) in OFDM systems. This paper presents a low complexity PTS scheme by applying a new phase sequence.
P. Varahram, B. M. Ali
doaj +3 more sources
The Expected Peak-to-Average Power Ratio of White Gaussian Noise in Sampled I/Q Data. [PDF]
Wunderlich A, Sanders A.
europepmc +3 more sources
Spectral Orbits and Peak-to-Average Power Ratio of Boolean Functions with Respect to the {I,H,N} n Transform [PDF]
We enumerate the inequivalent self-dual additive codes over GF(4) of blocklength n, thereby extending the sequence A090899 in The On-Line Encyclopedia of Integer Sequences from n = 9 to n = 12.
Lars Eirik Danielsen, Matthew G. Parker
openalex +3 more sources
PEAK TO AVERAGE POWER RATIO REDUCTION TECHNIQUES
The most extensively used wireless communication system Multiple input multiple affair and orthogonal frequency division multiplexing because of their large benefits and advantages. MIMO OFDM has a major debit which makes the system noisy because of the harpoons in the transmitting signal. Harpoons produce noice and deformation. Different ways are used
T.V. Sripriya, D. Akhila, K. Shravan
openaire +1 more source

