Degrees of freedom in adaptive modulation: a unified view

By S. T. Chung, Andrea J. Goldsmith. IEEE VTS 53rd Vehicular Technology Conference, Spring 2001. Proceedings (Cat. No.01CH37202), 2001

1,268 citations recorded by the source corpus.

Subfields: Computer Networks and Communications, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/4c9714fafb694ff0c217a9039a93a127a00af43c

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Citations in the corpus

A low complexity algorithm for proportional resource allocation in OFDMA systems (2004, methodology): “The BER of a square M -level QAM with Gray bit mapping as a function of received SNR γ k,n and number of bits r k,n can be approximated to within 1 dB for r k,n ≥ 4 and BER ≤ 10 −3 as [10] BER MQAM (γ k,n ) ≈ 0.2 exp −1.6γ k,n 2 r k,n − 1 .”
Chunk-based resource allocation in OFDMA systems - part I: chunk allocation (2009, positive): “function �� (⋅, ⋅) can be approximated as a closed form (Eq. (9) in [ 12 ]):”
A robust maximin approach for MIMO communications with imperfect channel state information based on convex optimization (2006, background): “The previous robust design can be combined with adaptive modulation strategies [52] to maximize the throughput subject to BER constraints, i.”
Wireless Relay Communications with Unmanned Aerial Vehicles: Performance and Optimization (2011, background): “…the signal from the kth AP to the UAV can be written as yk = s Ek Ma Hksk +nk (1) where yk is the received signal from AP k at the UAV, Hk is the Na£Ma channel matrix between AP k and the UAV, sk is the transmitted signal from AP k, Ek represents the symbol energy for AP k at the transmitter side,…”
Design challenges for energy-constrained ad hoc wireless networks (2002, background): “Optimal variation of transmission rate and power maximizes average throughput [ 60 ] and channel capacity [61], but the associated variable-rate transmission and channeldependent delay may not be acceptable for some applications.”
121.9-Gb/s PDM-OFDM Transmission With 2-b/s/Hz Spectral Efficiency Over 1000 km of SSMF (2009, methodology): “This is known as adaptive modulation and is used extensively in radio and cable communications [30], e.”
Multiuser adaptive subcarrier-and-bit allocation with adaptive cell selection for OFDM systems (2004, methodology): “Fortunately, it was revealed in [11] and [12] that a fixed power allocation leads to a negligible throughput penalty if only the power is”
Fair multiuser channel allocation for OFDMA networks using Nash bargaining solutions and coalitions (2005, background): “In [16], the bit-error rate (BER) of MQAM as a function”
Queuing with adaptive modulation and coding over wireless links: cross-Layer analysis and design (2005, background): “As in [4], [7], [9], [10], [16] for conventional AMC designs, we focus on the single user case, but we also touch upon possible applications of our analytical approach to multiuser scenarios.”
MIMO Transceiver Design via Majorization Theory (2007, methodology): “(See [27] for better approximations for M-QAM and M-PSK constellations based on curve fitting and [123] for approximations in the neighborhood of some nominal point.”