power-optimal bit-allocation
A Heuristic Optimal Discrete Bit Allocation Algorithm for Margin Maximization in DMT Systems
... parallel bit-loading is ( B di ff − 1) · B di ff/ 2 less than that of the greedy ...parallel bit- loading or greedy bit-loading, and the cardinality L of the designated subchannel set in which parallel ...
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Distributed Optimal Quantization and Power Allocation for Sensor Detection Via Consensus
... more power to the best ...high power to transmit) will be censored ...optimum power allocation scheme tends to a uniform power allocation as expected (see the de Þ nition of R in ...
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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 ...
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Optimal Power Allocation and Power Constraint in OFDM-Based Cognitive Radio Systems
... resource allocation plan base on OFDM in CR ...traditional power allocation scheme (such as water-filling algorithm), more power should be distributed to the sub carrier with higher quality ...
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Bit and Power Allocation in Constrained Multicarrier Systems: The Single-User Case
... the bit and power loading, which is addressed in this article as a constrained multivariable nonlinear optimization ...their optimal solutions for the single-user ...total power constraint is ...
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A Research on Spectrum Allocation Using Optimal Power in Downlink Wireless system
... resource allocation methodology is proposed for cellular orthogonal frequency division multiplexing systems in a multiuser ...resource allocation scheme has been proposed for downlink multi-cell OFDMA ...
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Optimal pilot symbol power allocation under time variant channels
... the bit error ratio ...an optimal pilot symbol allocation was derived analytically for phase- shift keying modulation of order two and four, using BER as the optimization ...the optimal pilot ...
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Channel Estimation and Optimal Power Allocation for a Multiple Antenna OFDM System
... 1 . 623 kBaud. In the data transmission mode, the channel es- timates of the previous OFDM block are used to decode the current OFDM symbols. The performance of the system is measured by bit error rate (BER) and ...
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BER and optimal power allocation for amplify and forward relaying using pilot aided maximum likelihood estimation
... the optimal values of pilot power under the total transmitting power constraints at the source and the optimal values of pilot power under the total transmitting power ...
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Joint Power and Bit rate Allocation for Multi carrier Wireless Bidirectional Relaying Systems
... transmit-power allocation algorithm with the aim of reducing the overall transmit-power of the WBRS having asymmetric traffic ...joint power allocation and relay location algorithm was ...
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Optimal quantization and power allocation for energy-based distributed sensor detection
... the optimal transmit power and number of quan- tization bits for each sensor, and investigate the detection per- formance of the sensor network over flat fading transmission ...proposed optimal ...
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A new low-cost discrete bit loading using greedy power allocation
... cost bit loading based on the greedy power allocation ...is optimal in terms of maximising the data through- put, three suboptimal schemes are suggested, which perform GPA on subsets of ...
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Power allocation, bit loading and sub carrier bandwidth sizing for OFDM based cognitive radio
... Though the above solution looks like water-filling, it is different from the conventional water-filling technique in the fact that each SU sub-carrier has a different water level. We would like to note here that the ...
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Optimal SP frame selection and bit budget allocation for mobile H.264 video streaming
... variable bit rate (VBR) video data are likely to exhibit severe bit rate fluctuations on both short and large scales, suitable smoothing procedure are designed to realize the transmission of VBR by means of ...
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Optimal shunt capacitor allocation and sizing using harmony search algorithm for power loss minimization in radial distribution networks
... the power loss in radial distribution networks which is realized by injecting reactive power with the aid of shunt capacitors installation at appropriate locations with optimal ...the optimal ...
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Optimal Power Allocation Techniques using SVD for MIMOOFDM Multimedia Mobile Networks
... Energy Efficient Optimal Power Allocation (EEOPA) technique proposed by Xiaohu Ge, et. al in [1] is analysed in this development and found to have some limitations. To overcome these limitations ...
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Optimal power allocation and throughput performance of full duplex DF relaying networks with wireless power transfer aware channel
... the optimal time splitting coefficients for the full-duplex dual-hop relay- ing lead to enhance the system throughput in compari- son with the traditional half-duplex relaying scheme for all kinds of modes ...
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Energy efficiency analysis and optimization for virtual MIMO systems
... Most of the previous work on virtual-MIMO systems focused on spectral efficiency (SE) and bit error ratio performance, such as [2], [4], and [5]. It was shown that the cooperation among receivers could enhance the ...
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Optimal Power Allocation and Power Control Parameter in OFDM Based Cognitive Radio Systems
... sub-carrier power allocation face the problems of complex iterative calculation and difficult ...exponential power distribution function and derive a sub-optimal power allocation ...
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Model based optimal bit allocation
... Two major contributions of this work are: (1) a comparative study of different models that can be used to approximate the operational R-D characteristics of a source, and (2) proposal of two new models which appear to ...
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