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bit-rate transmission systems

Bit Error Rate Analysis In Simulation Of Digital Communication Systems With Different Modulation Schemes

Bit Error Rate Analysis In Simulation Of Digital Communication Systems With Different Modulation Schemes

... communication systems, reducing error is ...the transmission of the message; adding such data is called an error-detecting ...in transmission, and also to figure out what the original message was ...

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Code Division Multiplexing Using AI Based Custom Constellation Scheme – Efficient Modulation for High Data rate Transmission

Code Division Multiplexing Using AI Based Custom Constellation Scheme – Efficient Modulation for High Data rate Transmission

... Fig 11 shows the comparison of system which uses proposed scheme and system which do not uses proposed scheme (traditional system) . System which do not uses proposed scheme uses four types of carrier frequencies and ...

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Bit Error Rate Calculation Method for Multiple-hop Relay Systems

Bit Error Rate Calculation Method for Multiple-hop Relay Systems

... In terms of the scientific underpinnings, MIMO research can be divided into three following areas, namely, 1) array antennas and adaptive signal processing for the implemen- tation of antenna configurations and control ...

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FPGA-Based Bit Error Rate Performance Measuring of Wireless Systems

FPGA-Based Bit Error Rate Performance Measuring of Wireless Systems

... before transmission causes bursts of errors arising in the channel to be broken up by the de-interleaver in the ...isolated bit errors can then be more readily detected and corrected by the error correction ...

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Performance Analysis of Gigabit Passive Optical Network Using 2Gbit/Sec Downstream Transmission

Performance Analysis of Gigabit Passive Optical Network Using 2Gbit/Sec Downstream Transmission

... FTTX systems are established in point-to-point or point-to-multipoint time division multiplexed passive optical network architectures ...downstream transmission and had been optimized with different ...at ...

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Bit Rate Maximising Per-Tone Equalisation with Adaptive Implementation for DMT-Based Systems

Bit Rate Maximising Per-Tone Equalisation with Adaptive Implementation for DMT-Based Systems

... Discrete multitone (DMT) is a digital implementation technique widely used for high speed wired multicarrier transmission such as asymmetric digital subscriber lines (ADSLs) [1]. The cyclic prefix (CP) is inserted ...

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Differential spatial modulation for high rate transmission systems

Differential spatial modulation for high rate transmission systems

... The bit error rate (BER) performance of the proposed HR-DSM schemes is evaluated by using both theoretical upper bound and computer ...of bit error rate (BER) ...

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A new ici cancellation scheme and performance analysis of bit error rate  for mimo ofdm based systems

A new ici cancellation scheme and performance analysis of bit error rate for mimo ofdm based systems

... band transmission with high spectral efficiency and high mobility is required for future mobile radio ...OFDM-based systems, the transmission bandwidth is divided into many narrow subchannels, which ...

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Semiconductor Quantum Dot Lasers as Pulse Sources for High Bit Rate Data Transmission

Semiconductor Quantum Dot Lasers as Pulse Sources for High Bit Rate Data Transmission

... High bit rate optical time-division multiplexed (OTDM) systems in particular demand reliable short pulse generation at high repetition ...repetition rate pulses of light at the popular ...

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Analysis of Rate One Quasi Orthogonal Space Time Block Coding over Rayleigh Fading Channel

Analysis of Rate One Quasi Orthogonal Space Time Block Coding over Rayleigh Fading Channel

... data transmission coding. For transmitting data at low bit rate than full-rate code, higher modulation scheme is ...full rate orthogonal designs with complex constellation for more than ...

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Bit Error Rate Reduction Using SLM in Reception of FRFD in OFDM Systems

Bit Error Rate Reduction Using SLM in Reception of FRFD in OFDM Systems

... This transmission scheme is usually combined with bit-interleaved coded modulation (BICM) giving good diversity results in a wireless communication link ...

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Bit Error Rate Performance in Coherent Optical Systems

Bit Error Rate Performance in Coherent Optical Systems

... transmitted bit error is generally termed as ...predefined bit-error rate (BER) ...Although bit error rates are typically on the order of 10 -6 to 10 -9 at 155 Mb/s, this is adequate for some ...

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A Set of Space Time Block Codes for the High Rate Transmission Scheme with One Information Bit

A Set of Space Time Block Codes for the High Rate Transmission Scheme with One Information Bit

... i.e. rate one, full diversity transmission using two time slots for signals with complex constellations, which are employed in most current commercial wireless ...for systems with an arbitrary number ...

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On The Error Rate Performance Of Transmission Modes In Lte Wireless Systems

On The Error Rate Performance Of Transmission Modes In Lte Wireless Systems

... the transmission layer of UE is sent to an enhanced NodeB (eNodeB) and the feedback of a phase matrix indicator (PMI) which is the codebook matrix index for precoding is not ...

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Review for Higher System Performance over MIMO STBC-OFDM Wireless Communication

Review for Higher System Performance over MIMO STBC-OFDM Wireless Communication

... high bit-rate transmission in the E-band with application to little cell backhaul based on space-time shift keying (STSK) and orthogonal frequency division ...

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Comparative Analysis of Different Modulation Techniques in Coherent Optical Communication System

Comparative Analysis of Different Modulation Techniques in Coherent Optical Communication System

... a bit rate of 10Gbps. It is observed that maximum transmission distance of 90km is achieved in case of QAM whereas in DPSK and PSK signal can travel up to 60km with acceptable Q factor and ...60km ...

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Enhanced Security Encryption Scheme for Lower Bit Error Rates for Use in Noisy Transmission Media

Enhanced Security Encryption Scheme for Lower Bit Error Rates for Use in Noisy Transmission Media

... received in error, then each bit of the plaintext will have 0.5 probability of error. This means that there is a tradeoff between the security and the bit error rate. So encrypting the information ...

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ch5_1_v1.ppt

ch5_1_v1.ppt

... In the analog transmission of digital data, the signal or baud rate is less than.. or equal to the bit rate.[r] ...

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Joint Power and Bit rate Allocation for Multi carrier Wireless Bidirectional Relaying Systems

Joint Power and Bit rate Allocation for Multi carrier Wireless Bidirectional Relaying Systems

... of bit-rate ...end-to-end rate of the two sources to all the used sub-carriers so as to reduce the total transmit-power ...The bit-rate allocation problem is formulated as ...

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Performance Evaluation of DWDM for Radio over Fiber System with Dispersion Compensation and EDFA

Performance Evaluation of DWDM for Radio over Fiber System with Dispersion Compensation and EDFA

... The use of EDFA, to amplify the incoming optical signal, increases the power of the signal for the same length as in the system block diagram shown in Figure (4). Figure (5) shows how the power varied with distance for ...

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