multiple-access communications channel
Collaborative coding multiple access communications
... g multiple access (C C M A ) channel com munication ...on channel, without su bdivision in tim e, frequency o r orth ogonal ...and multiple access channels, coding/decoding ...
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Polarization division multiple access with polarization modulation for LOS wireless communications
... analysis are done to demonstrate the potential feasibility of the proposed scheme. Simulation results are also made to evaluate the performance of the suggested sys- tem. The proposed method is a promising scheme with ...
9
Cooperative Non-Orthogonal Multiple Access for Future Wireless Communications
... with channel unreliability have emerged as an interesting research topic in the downlink CoMP networks, because unreliable backhauls can limit the performance gains of the CoMP ...
8
A Novel Technique for Multiple Access Interference Reduction in DS-CDMA Wireless Communications
... to its compatibility with existing industrial systems, good capability of accommodating error correcting codes and its robustness with asynchronous communication types [4]. The successive interference cancellation (SIC) ...
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Title: ACCESS TO HIDDEN TERMINAL PROBLEM USING CHANNEL TONE MULTIPLE ACCESS
... blocking communications between terminals (Terminal l and Terminal ...message channel fails to reduce collisions of message packets since these terminals cannot hear each ...
6
Relay Selection for Multiple Access Relay Channel Using JNCC
... the channel impairments and provides high data rate and coverage for beyond 3G mobile ...network channel coding) reliable transmission over an error- prone channel can be ...couples channel ...
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Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications
... 1. Frequency synchronization and stability are difficult: for speech communications, each frequency subband is quite narrow (typically between 5 and 30 kHz). Local oscillators thus must be very accurate and ...
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Multistage Frequency Hopping Assisted Ultra Wideband Multiple Access Communications
... FHMA communications the FH patterns must be assigned such that: a) there is no ambi- guity concerning the identity of the user and the information it transmits; b) the probability of a hit or collision between the ...
5
A Novel Hybrid Multiple Access Scheme in Downlink for 4G Wireless Communications
... modulated on one subcarrier in this case. Thus each data symbol is spread over many subcarriers. As discussed in [8], the multicarrier CDMA schemes can be categorized into two groups: One (MC-CDMA) spreads the original ...
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Prefiltering-Based Interference Suppression for Time-Hopping Multiuser UWB Communications over MISO Channel
... fixed access point (AP) where power and computational resources are ...the channel impulse response (CIR) of a time- hopping (TH) multiple access UWB communication ...over ...
10
Increasing Energy Productivity in Multiple Access Channel by Utilizing Packet Dropping
... in Multiple AccessChannels by Exploiting Packet Dropping and Transmitter Buffering ...mobile communications: The ecological and economic perspective,” IEEE Communications Magazine, ...
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Multicarrier DS CDMA: A Multiple Access Scheme for Ubiquitous Broadband Wireless Communications
... delivered by the paths that cannot be combined due to the low number of RAKE fingers in envi- ronments with a high delay spread. As a remedy, hybrid schemes based on selection combining and maximal ratio combining ...
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Bit Error Rate Performance for Multicarrier Code Division Multiple Access over Generalized η-μ Fading Environment
... division multiple access (MC-CDMA) system has received a considerable attention from researchers owing to its great potential in achieving high data rates transmission in wireless ...division ...
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Compressive Sensing Based Detection Strategy For Multiple Access Spatial Modulation Channel
... Since the turn of the century, there has been a tremendous growth in the cellular market. Indeed, the penetration of mobile services exceeded that of the power grid. Mobile communication has to deal with the problem of ...
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Parity Check Network Coding for Multiple Access Relay Channel in Wireless Sensor Cooperative Communications
... open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly ...and ...
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Customer Engagement. Driving compliance through customer engagement SYSNET GLOBAL SOLUTIONS
... emphasizes user experience, dynamically responding to the users’ answers to present questions that are specifically relevant to their business type. This approach ensures the compliance process is made easier and less ...
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Carrier Inferrometric Code Based Variable Rate Transmission Schemes for Satellite Communication System
... The Walsh-Hadamard Transform (WHT) is a suboptimal, non-sinusoidal, orthogonal transformation that decomposes a signal into a set of orthogonal, rectangular waveforms called Walsh functions. They are used in many ...
8
Modeling the Throughput of 1-persistent CSMA in Underwater Networks
... distributed inside a circle of diameter a with the receiving access point (AP) located at the center. As in [1], we assume that physical distances and “time distances,” or propagation delays, are equivalent. From ...
6
DF based sum rate optimization for multicarrier multiple access relay channel
... Remark 2. The greatest advantage of the OFDM scheme of (P1) over the OFDMA scheme lies in the cases where the relay helps only one of the sources, i.e., case 2 and case 5. In these cases, one of the sources is clustered ...
19
The further development of mobile and wireless communication. Challenges and choices for the European Union. Communication from the Commission to the Council, the European Parliament, the Economic and Social Committee and the Committee of the Regions. COM (97) 217 final, 29 May 1997
... Since its commercial launch in 1992, GSM has emerged as a World standard for mobile communications. GSM and its related technologies, DCS-1800 and PCS-1900, provide coverage through 187 networks in 103 countries ...
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