Keywords: راندمان طیفی; Visible light communication (VLC); Dimming control; Multi-level incremental constant weight codes (ML-ICWC); Spectral efficiency;
مقالات ISI راندمان طیفی (ترجمه نشده)
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Keywords: راندمان طیفی; Distributed antenna systems; User centric virtual cells model; Spectral efficiency; Energy efficiency; Power allocation;
Keywords: راندمان طیفی; Hybrid cognitive radio; Two-way relay; Spectral efficiency; Energy efficiency; Resource allocation;
Keywords: راندمان طیفی; Energy efficiency; Spectral efficiency; Resource efficiency; Small cell networks; Power allocation;
Keywords: راندمان طیفی; Floating plant; Photovoltaic; Spectral efficiency; Water; Tracking system; Concentration; Storage;
Keywords: راندمان طیفی; 5G; Spectral efficiency; Energy efficiency; Spectrum sharing; Massive MIMO; SWIPT; Spectrum harvesting; Spectrum relaying;
Keywords: راندمان طیفی; 94A14; 94A15; 94A40; Orbital angular momentum; Multiplexing; Capacity; Spectral efficiency; Cross correlation;
Keywords: راندمان طیفی; Optical CDMA; Spectral efficiency; Amplitude alternation; Energy differentiation soft-decision demodulation;
Keywords: راندمان طیفی; Distributed antenna systems; Spectral efficiency; Energy efficiency; Resource allocation; Sub-gradient iteration; Fractional programming
Keywords: راندمان طیفی; Cellular relay networks; Energy efficiency; Spectral efficiency; Mobile relay deployment; Interference graph;
Adaptive spatial modulation and thresholds optimization for MIMO systems in correlated Rayleigh channels
Keywords: راندمان طیفی; Adaptive spatial modulation; Spatial correlation; Thresholds optimization; Spectral efficiency; Average bit error rate;
Full-subcarriers Polar-OFDM for optical spectrum-efficient transmission exploiting Polarization Multiplexing
Keywords: راندمان طیفی; Spectral efficiency; Polar orthogonal frequency division multiplexing (P-OFDM); Polarization Multiplexing (POLMUX); Intensity modulation and direct detection (IM/DD);
Spectral response characterization of CdTe sensors of different pixel size with the IBEX ASIC
Keywords: راندمان طیفی; X-ray photon counting detectors; IBEX; CdTe; Energy resolution; Quantum efficiency; Spectral efficiency;
A rigorous analysis of digital pre-emphasis and DAC resolution for interleaved DAC Nyquist-WDM signal generation in high-speed coherent optical transmission systems
Keywords: راندمان طیفی; Nyquist WDM; Coherent detection; 400G/1T systems; Modulation format; Spectral efficiency; Fiber transmission system;
A new precoding scheme for spectral efficient optical OFDM systems
Keywords: راندمان طیفی; Optical OFDM; MIMO; VLC; Precoding; Spectral efficiency;
Energy and spectral efficiencies of M-CPFSK in fading and shadowing wireless channels
Keywords: راندمان طیفی; CPFSK; Energy efficiency; Spectral efficiency; Nakagami-m; Generalized-K;
Non-orthogonal multiple access based cooperative spectrum sharing between MIMO radar and MIMO communication systems
Keywords: راندمان طیفی; MIMO-radar; Cooperative spectrum sharing; Non-orthogonal multiple access (NOMA); MIMO communications; Spectral efficiency;
Adaptive dual-mode OFDM with index modulation
Keywords: راندمان طیفی; OFDM-IM; Dual mode OFDM-IM; Adaptive-OFDM; Spectral efficiency;
On the cellular spectral efficiency of MC-CDMA systems with MMSE multiuser detector employing fractional and soft frequency reuse
Keywords: راندمان طیفی; MC-CDMA; Spectral efficiency; Fractional frequency reuse; Soft frequency reuse;
Energy efficiency and spectral efficiency tradeoff in downlink OFDMA systems with imperfect CSI
Keywords: راندمان طیفی; Channel estimation error; Channel estimation cost; Energy efficiency; Spectral efficiency;
Trade-off optimization between energy efficiency and spectral efficiency in large scale MIMO systems
Keywords: راندمان طیفی; Spectral efficiency; Energy efficiency; Trade-off; Multi-objective; Pareto optimal set;
Improved spectral efficiency of SM-OFDM using a set of rotated constellations
Keywords: راندمان طیفی; Spatial modulation; OFDM; MIMO; Rotated constellation; Spectral efficiency;
Increased dimensionality of SP-MQAM modulation higher than 4D to 8D
Keywords: راندمان طیفی; Constellation points; Dimensional; Spectral efficiency; Minimum Euclidean distance; Asymptotic power efficiency;
Optical dual-mode index modulation aided OFDM for visible light communications
Keywords: راندمان طیفی; Orthogonal frequency division multiplexing (OFDM); Visible light communications (VLC); Intensity modulation with direct detection (IM/DD); Spectral efficiency;
Real-time optical OFDM transmissions with spectral efficiency up to 6.93Â bit/s/Hz over 50Â km SSMF IMDD systems
Keywords: راندمان طیفی; Real-time; OFDM; Spectral efficiency; IMDD;
Interference graph-based dynamic frequency reuse in optical attocell networks
Keywords: راندمان طیفی; Visible light communication; Optical attocell network; Interference graph; Frequency reuse; Spectral efficiency;
Adaptive threshold device for detection of reflections based visible light communication
Keywords: راندمان طیفی; Visible light communications; Inter symbol interference (ISI); Receiver design; Spectral efficiency; Bayes risk; Optical channel model;
A survey on device-to-device (D2D) communication: Architecture and security issues
Keywords: راندمان طیفی; Device-to-device (D2D) communication; Spectral efficiency; Resource allocation; Security; InternetProtocol Security (IP Sec);
Energy efficiency in WDM fiber-optical links considering OADM/OXC nodes
Keywords: راندمان طیفی; 3R regeneration; Energy per bit; Modulation; Optical add-drop multiplexer; Optical cross-connect; Power consumption; Spectral efficiency; System reach; Wavelength division multiplexing;
Reconfigurable DP-16QAM/QPSK transponders for the transmission of coherent 200 Gb/s carriers in a flexgrid super-channel arrangement
Keywords: راندمان طیفی; Flexgrid; Super-channel; Coherent detection; DWDM; Spectral efficiency
A pilot aided channel estimator using DFT based time interpolator for massive MIMO-OFDM systems
Keywords: راندمان طیفی; Pilot aided channel estimator; Massive MIMO-OFDM; Time interpolation; Spectral efficiency
Power efficiency of WDM networks using various modulation formats with spectral efficiency limited by linear crosstalk
Keywords: راندمان طیفی; Energy efficiency; Linear crosstalk; Modulation; Regeneration; Spectral efficiency; Transparent optical reach
Study of a novel amplitude-phase modulation IRZ-MSK in high-speed optical fiber transmission system
Keywords: راندمان طیفی; IRZ-MSK; Spectral efficiency; Dispersion; Nonlinear effect
Green and fast DSL via joint processing of multiple lines and time–frequency packed modulation
Keywords: راندمان طیفی; xDSL systems; Crosstalk; Energy efficiency; Joint processing; Time–frequency packing; Spectral efficiency
Shaped offset quadrature phase shift keying (SOQPSK) modulation scheme and its application in optical wavelength-division multiplexed (DWDM) transmission
Keywords: راندمان طیفی; Shaped offset quadrature phase shift keying (SOQPSK); Modulation scheme; Spectral efficiency
Ad hoc self-healing of OFDMA networks using UAV-based relays
Keywords: راندمان طیفی; Cell overload and outage; Relay positioning; Random frequency hopping; Self-healing; Self-organization; Genetic algorithm; Spectral efficiency
An optical continuous phase FSK modulation scheme with an arbitrary modulation index over long-haul transmission fiber link
Keywords: راندمان طیفی; Long haul optical fiber communication; Continuous phase frequency shift keying (CPFSK); Modulation formats; Spectral efficiency;
Partial relaying with layered encoding for efficient multi-hop transmission
Keywords: راندمان طیفی; Partial relaying; Layered encoding; Multi-hop transmission; Spectral efficiency
Enhancing spectral efficiency and capacity in synchronous OCDMA by transposed-MPC
Keywords: راندمان طیفی; Multiuser interference; Synchronous OCDMA; Prime codes; Spectral efficiency; Spreading code design
Performance analysis of MIMO–OFDM in various outdoor fading environments
Keywords: راندمان طیفی; Spectral efficiency; Bit error rate; Shadowing; Foliage; Doppler effect; Outdoor environment
Spectral efficiency of random CDMA with constant envelope modulation
Keywords: راندمان طیفی; Code-division multiple-access; Continuous phase modulation; Random spreading; Large-system analysis; Spectral efficiency; Multiuser detection; Amplifier efficiency
Submerged photovoltaic solar panel: SP2
Keywords: راندمان طیفی; Photovoltaic; Spectral efficiency; Water; Cell temperature; Spectral absorption
Optimizing the spectral efficiency of photonic quantum well structures
Keywords: راندمان طیفی; Spectral efficiency; Confined states; Finite-difference time-domain method; Photonic quantum well
Resource management policies for fixed relays in cellular networks
Keywords: راندمان طیفی; Cellular networks; Fixed relay; Resource reuse; Path selection; Spectral efficiency
Cooperative mobile-to-mobile file dissemination in cellular networks within a unified radio interface
Keywords: راندمان طیفی; Cooperative file dissemination; UMTS; Traffic imbalance; Spectral efficiency
Spectral efficiency of a single-cell multi-carrier DS-CDMA system in Rayleigh fading
Keywords: راندمان طیفی; Spectral efficiency; Channel capacity; Multi-carrier modulation; Code-division multiple access; Rayleigh fading;
Spectral efficiency for selection combining RAKE receivers over Weibull fading channels
Keywords: راندمان طیفی; Spectral efficiency; Diversity; Weibull fading; RAKE receivers; Average signal-to-noise ratio;
Design of FBG-based ultra-narrow asymmetric filter for transmission with 0.8 bit/s/Hz spectral efficiency without polarisation multiplexing
Keywords: راندمان طیفی; Spectral efficiency; Ultra-narrow filtering; Optical communications;