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Multi-carrier

Differentially Coherent Code Acquisition in the MIMO Aided Multi Carrier DS CDMA Downlink

Differentially Coherent Code Acquisition in the MIMO Aided Multi Carrier DS CDMA Downlink

... Abstract: Both differentially coherent and non-coherent code acquisition schemes designed for the multiple-input multiple-output (MIMO)-aided multi-carrier (MC)-DS-CDMA downlink are ana- lysed, when ...

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A resource allocation approach to control 
		interference in Multi  Carrier DS CDMA systems

A resource allocation approach to control interference in Multi Carrier DS CDMA systems

... as multi-user detection (MUD)[19],interference cancellation(IC)[20] and antenna beam forming[21], and succeeded to reduce the intra-cell interference to a large extent and inter-cell interference to a small extent ...

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Space time code diversity by phase rotation in multi carrier multi user systems

Space time code diversity by phase rotation in multi carrier multi user systems

... to multi-carrier and multi-user systems with reduced feed- back (one unique code is enough for all sub-carriers and all ...the multi-carrier system which makes it interesting for use in ...

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A Deep Learning-Based Approach to Power Minimization in Multi-Carrier NOMA with SWIPT

A Deep Learning-Based Approach to Power Minimization in Multi-Carrier NOMA with SWIPT

... Since the system-level performance of NOMA has been proved to be superior to OMA under various wireless en- vironments in [4]–[6], NOMA has attracted a significant attention in both academia and industry. Several forms ...

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ANALYSIS THE PERFORMANCE OF MULTI-CARRIER CDMA SYSTEM WITH FADING AND INTERFERENC

ANALYSIS THE PERFORMANCE OF MULTI-CARRIER CDMA SYSTEM WITH FADING AND INTERFERENC

... effects. Multi Carrier Code Division Multiple Access (MC-CDMA) is a relatively new concept to improve the performance over multipath ...uses multi carrier transmission of DS-CDMA type signals ...

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Spectrally Efficient Multi Carrier Modulation Using Gabor Transform

Spectrally Efficient Multi Carrier Modulation Using Gabor Transform

... Non Orthogonal Frequency Division Multiplexing (NOFDM) systems make use of a transmission signal set which is not restricted to orthonormal bases unlike previous OFDM systems. The usage of non-orthogonal bases generally ...

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A time frequency localized signal basis for multi carrier communication

A time frequency localized signal basis for multi carrier communication

... primary multi-carrier modulation technique, but devices employing OFDM suffer from spectral ...carriers, carrier weighting, constel- lation mappings and ...

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Iteratively detected multi carrier interleave division multiple access

Iteratively detected multi carrier interleave division multiple access

... of multi-carrier transmissions with those of interleave division multiple access (IDMA), leading to the concept of multi-carrier IDMA (MC-IDMA), which invokes spreading in both the time as ...

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Statistical Delay QoS Driven Energy Efficiency and Effective Capacity Tradeoff for Uplink Multi User Multi Carrier Systems

Statistical Delay QoS Driven Energy Efficiency and Effective Capacity Tradeoff for Uplink Multi User Multi Carrier Systems

... a multi-carrier system is a linear sum- mation of each subcarrier’s achievable average ...and multi-carrier systems ...the multi-carrier communications ...single-user ...

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Distributed energy aware resource allocation in multi antenna multi carrier interference networks with statistical CSI

Distributed energy aware resource allocation in multi antenna multi carrier interference networks with statistical CSI

... This paper has dealt with the problem of distributed resource allocation in the uplink of a multi-carrier inter- ference network with multiple receive antennas. A per- formance metric that trades off ...

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Exploring the reconfigurability options of multi carrier CDMA in cognitive radio systems

Exploring the reconfigurability options of multi carrier CDMA in cognitive radio systems

... Two main variations of the multi-carrier spread spectrum sys- tems are the MC-CDMA (frequency domain spreading) and MC direct sequence CDMA (MC-DS-CDMA) (time domain spreading). One way of looking at ...

5

Performance of emerging multi carrier waveforms for 5G asynchronous communications

Performance of emerging multi carrier waveforms for 5G asynchronous communications

... a multi-carrier modulation scheme called orthogonal frequency-division multiplexing ...The multi-carrier nature of this waveform makes it very attractive in multi-path environ- ments ...

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BER Performance of IEEE 802.11ad for Single Carrier and Multi Carrier

BER Performance of IEEE 802.11ad for Single Carrier and Multi Carrier

... Here the incoming bits are scrambled and then encoded with LDPC or RS code depending on the MCS selected. After coding, Interleaver operates on the coded signal, which is fetch to the Constellation Mapping, then OFDM is ...

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Resource management issues for multi carrier relay enhanced systems

Resource management issues for multi carrier relay enhanced systems

... Relaying is one of the enabling techniques for next generation systems. Factors deciding on performance of relay- enhanced systems are the resource allocation and coordination. The capacity of the wireless relay backhaul ...

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ANALYSIS THE PERFORMANCE OF MULTI-CARRIER CDMA SYSTEM WITH FADING AND INTERFERENCE

ANALYSIS THE PERFORMANCE OF MULTI-CARRIER CDMA SYSTEM WITH FADING AND INTERFERENCE

... Multi Carrier Code Division Multiple Access (MC-CDMA) is a relatively new concept to improve the performance over multipath links ...transmite multi carrier transmission of DS-CDMA type ...

6

Multi carrier modulation analysis and WCP COQAM proposal

Multi carrier modulation analysis and WCP COQAM proposal

... In today’s mobile communication systems, cyclic-prefix- based orthogonal frequency division multiplexing (CP- OFDM) is widely adopted. It shows that the concept of multi-carrier modulation (MCM) is well ...

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Design of Space-Time Coded Single-Carrier and Multi-Carrier MIMO-CDMA systems

Design of Space-Time Coded Single-Carrier and Multi-Carrier MIMO-CDMA systems

... and multi carrier CDMA systems with multiple antennas has been implemented with Space-Time Coding technology (STC) and simulation results are ...and multi carrier ...

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On the Characteristic of Orthogonality for Multi Carrier Based Systems

On the Characteristic of Orthogonality for Multi Carrier Based Systems

... It is well known that the performance of a multi-carrier modulating system will become inferior due to the CPN arising from the phase noise, which discussed in this subsection. Generally speaking, CPN is ...

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On the EVM computation of arbitrary clipped multi-carrier signals

On the EVM computation of arbitrary clipped multi-carrier signals

... The use of multi-carrier (MC) communication schemes (e.g., OFDM, DMT, etc.) is very common nowadays due to its ability to cope well with channel interference while keeping the receiver complexity low, the ...

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On the fundamental quantum limits of multi carrier optomechanical sensors

On the fundamental quantum limits of multi carrier optomechanical sensors

... to multi-mode optomechanical systems has proven fruitful in both the many mechanical [25] and optical [26, 27] mode scenarios, as well as for optical fre- quency conversion [28, ...so-called ...

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