coding/modulation
Cross layer design of adaptive modulation and coding for multicast system with random network coding
... (2) There are two types of AMC design approaches to deter- mine the optimal set of SNR thresholds: aggressive AMC and conservative AMC threshold designs [1,2]. The idea of aggressive AMC design is to employ a higher ...
10
Thoughput Performance of Adaptive Modulation and Coding Scheme with Link Adaptation for Mimo-Wimax Downlink Transmission
... signal modulation scheme depending on the signal to noise ratio (SNR) condition of the radio ...higher modulation scheme will be utilized which provides the highest throughput of the system or the best ...
10
Distributed Coding Modulation Adaptation Scheme for Relay Channel
... new modulation technology, called random projections code (RPC), to achieve rate adapta- ...the coding gain is about 4 dB, 3.1 dB, 2.2 dB and 1.6 dB for LDPC coding rate ...
6
Decrease Interference Using Adaptive Modulation and Coding
... the modulation, coding and other signal and protocol parameters to the conditions on the radio ...Adaptive modulation systems invariably require some channel state information at the ...
6
Adaptive Modulation and Coding for Multi Hop Network
... faded modulation technique with high data rate are selected and low data rate modulations are selected when received signal is ...MSK modulation schema is preferred in non-linear channel condition and in ...
5
A Novel Modulation Technique Algorithms on Channel Coding and decoding
... digital modulation schemes such as QPSK, 32-QAM, ...carrier modulation, satisfactory performance cannot be achieved without the addition of some form of channel ...channel coding is applied, the ...
8
Implementation of Ofdm System by Using Convolutional Coding and Bch Coding With Adaptive Modulation
... adaptive modulation to get an understanding of the differences between fixed & adaptive modulations ...adaptive modulation is implemented by dividing whole subcarriers into blocks of adjacent ...same ...
5
Performance Evaluation of MIMO-WiMAX Using Zigzag coding Modulation
... coded modulation scheme is used for ultra-high speed ...this coding the input data is partitioned into segments of fixed size and the sequence of check bits to data is added, in each check bit is the ...
7
Full Rate Network Coding via Nesting Modulation Constellations
... network coding is widely studied for improving the relay efficiency in wireless ...network coding as a mapping between modulation constellations and extended this map- ping to enable simultaneous use ...
11
Pulse position modulation coding schemes for optical intersatellite links
... different coding schemes for use in such links: digital pulse position modulation (DPPM); multiple pulse position modulation (MPPM); Dicode pulse position modulation (Dicode ...
13
Cross-Layer Design for Video Transmission over Wireless Rician Slow-Fading Channels Using an Adaptive Multiresolution Modulation and Coding Scheme
... source-channel coding (JSCC) approach which attempts to jointly optimize the source and channel coding rates together with the modulation pa- rameters to obtain the maximum achievable end-to-end QoS ...
12
Performance of Cognitive Radio PHY under Adaptive Modulation Coding
... different modulation technique with different coding rate in terms of ...lower modulation technique gives the lower BER and lower transmission efficiency where higher modulation technique like ...
9
Iteratively Decoded Irregular Variable Length Coding and Trellis Coded Modulation
... As described in Section 1, the SBIrVLC and BBIrVLC sch- emes may be constructed by employing a number of VLC codebooks having different coding rates, each of which en- codes an appropriately chosen fraction of the ...
6
Adaptive Modulation and Coding Rate for OFDM Systems
... Dunlop and Pons [6] asserted that BER at receiver level can be good enough to decide switching scheme. The adaptation rate would be restricted because BER estimation is complicated over short periods. Now, the question ...
6
Controlling the Performance of Mdpsk in Bad Scattering Channels
... MDPSK modulation to form an important modulation/coding technique, which improve the performance of the MDPSK modulation by reducing the bit error rate by reducing the number of transmitted ...
7
Impact of Earnings per Share on Market Price of Share with Special Reference to Selected Companies Listed on NSE
... complex modulation techniques and also less complex coding techniques to communicate our signal in shallow water acoustic ...various modulation technique on the basis of two parameters, BER and ...
7
A Review of MAC Scheduling Algorithms in LTE System
... MCS: Modulation and Coding Scheme; SRS: Sounding Reference Signal; PRB: Physical Resource Block; AMCS: Adaptive MCS; PDCCH: Physical Downlink Control Channel; FDD: Frequency Division Duplexing; SC- FDMA: ...
13
Rain attenuation prediction model for satellite communications based on the Météo-France ensemble prediction system PEARP
... the modulation and coding used to carry the information as the tropospheric attenuation is ...the modulation and forward error correction coding ...the modulation and coding ...
15
SVD Aided, Iteratively Detected Spatial Division Multiplexing Using Long Range Channel Prediction
... joint coding and modulation schemes offers a certain degree of design freedom, which substantially affects the performance of MIMO ...Joint coding and modulation such as Trellis Coded ...
6
Performance Analysis Of Adaptive MIMO-Of Dmcognitive Wireless System With Joint Rate, MIMO Profile, And Power Adaptation
... 1 I NTRODUCTION The prominent resources in the wireless communication network are bandwidth and energy. The scarcity of these resources limits the performance of the wireless system in terms of quality of service and the ...
10