[PDF] Top 20 Greedy power allocation for multicarrier systems with reduced complexity
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Greedy power allocation for multicarrier systems with reduced complexity
... In order to assess the computational complexity of the proposed scheme compared to the standard GPA algorithm, Fig. 4 shows the computation time against the no. of subcarriers N for the g-GPA algorithm with both ... See full document
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Reduced complexity schemes to greedy power allocation for multicarrier systems
... the greedy power allocation (GPA) algorithm [5], [6], of which a number of different variations have emerged constraining either the average BER [7] or the total power ...of greedy ... See full document
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Reduced Complexity Maximum Likelihood Detection in Multiple Antenna Aided Multicarrier Systems
... The relevant information-theoretical analysis predicts [3] that sub- stantial capacity gains are achievable in wireless communication systems employing a Multiple Input Multiple Output (MIMO) architecture using ... See full document
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Suboptimal greedy power allocation schemes for discrete bit loading
... excess power when realising the target BER given 𝑏 𝑖 (r) ∈ Z and the SNR in the 𝑖th subchannel has led to a rate-optimal algorithm known as the greedy algorithm [5, 6], of which a number of different ... See full document
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A new low-cost discrete bit loading using greedy power allocation
... of greedy algorithms is also known to be greedy in terms of computing ...fore, reduced complexity schemes are either waterfilling-based only [2] or aim at simplifi- cations ...suboptimal ... See full document
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Spectrum sensing and resource allocation for multicarrier cognitive radio systems under interference and power constraints
... resource allocation stage, the transmit power of the subcarriers must be adjusted according to the chan- nel state information (CSI) and the location of subcar- riers with respect to the primary user's (PU) ... See full document
12
Computationally Efficient Power Allocation Algorithm in Multicarrier-Based Cognitive Radio Networks: OFDM and FBMC Systems
... (CR) systems have been proposed to increase the spectrum utilization by opportunistically access the unused ...spectrum. Multicarrier communication systems are promising candidates for CR ...bank ... See full document
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THE MIXTURE MODEL: COMBINING LEAST SQUARE METHOD AND DENSITY BASED CLASS BOOST ALGORITHM IN PRODUCING MISSING DATA AND BETTER MODELS
... less complexity when applied to MIMO ...its complexity named Greedy Diagonal Reduction (GDR) algorithm which gives reduced complexity with efficient performance at the receiver using ... See full document
6
Low complexity subcarrier and power allocation algorithm for uplink OFDMA systems
... and power allocation problem for uplink orthogonal frequency division multiple access system with the objective of weighted sum-rate ...resource allocation problem is not convex due to the discrete ... See full document
6
Bit and Power Allocation in Constrained Multicarrier Systems: The Single-User Case
... of multicarrier communication systems is the bit and power loading, which is addressed in this article as a constrained multivariable nonlinear optimization ...total power constraint is ... See full document
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Low Complexity Precoded Greedy Power Allocation Algorithms for OFDM Communication Systems
... wireline systems. In conventional wireless OFDM systems, all subcarriers employ the same signal ...and power allocation algorithms can be employed, where the signal constellation size and ... See full document
7
Low complexity interference variance estimation methods for coded multicarrier systems: application to SFN
... the complexity that is required to get a closed- form expression of its ...The complexity analysis re- veals that the proposed methods alleviate the complexity with respect to the cost of ... See full document
11
Optimal Allocation of Wind Power DG in Power Systems
... In this paper the Squirrel Cage Induction Generator (SCIG) is considered as wind generator. This paper provides the comparison between the economic load dispatch by conventional method and economic load dispatch by non ... See full document
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Low-complexity LSMR equalisation of FrFT-based multicarrier systems in doubly dispersive channels
... In this paper, we focus on FrFT-OFDM systems in doubly- dispersive channels, and apply low-cost equalisation schemes developed for classical OFDM systems such as in [17]. We propose a band matrix ... See full document
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Subcarrier allocation based simultaneous wireless information and power transfer for multiuser OFDM systems
... and power transfer (SWIPT) for orthogonal frequency division multiplexing (OFDM) systems are studied based on power splitting or time splitting, which lead to time delay and the decrease of ... See full document
7
Performance Evaluation of oF DM and Prototype FBMC-OQAM Cognitive Radio under constraints of variable Overlapping factors
... processing power availability in the portable handheld unit of mobile users are important constraints in wireless system designLimited usable radio frequencies and current rigid frequency allocation ... See full document
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PAPR Reduction techniques in OFDM System Using Clipping & Filtering and Selective Mapping Methods
... The propose method for the reduction of peak to average transmit power of multicarrier modulation systems with selected mapping in 2013[7]. In selected mapping (SLM) the whole set of information ... See full document
6
An Accurate Complexity-Reduced Simplified Volterra Series for RF Power Amplifiers
... accurate complexity-reduced simplified Volterra series for RF power ...channel power ratio (ACPR) is taken to be a spectral regrowth benchmark [18, ... See full document
10
Combined Interleaving and Companding for Papr Reduction in OFDM Systems
... In this paper, proposed technique for PAPRreduction of OFDM signals had been introduced. This technique combines two basic PAPR reduction techniques which are interleaving and companding methods. The companding technique ... See full document
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A Proposed Orthogonal Chirp Division Multiplexing (OCDM) Multicarrier Transceiver Based on the Discrete Fractional Cosine Transform
... The uncoded bit error rate (BER) performance of the OFDM, DFrFT-OCDM and the proposed DFrCT-OCDM with the same block MMSE equalizer are in- vestigated by means of simulation. The following system parameters are used: N = ... See full document
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