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uplink transmission

An Array System of Multi-Cell Multiuser MIMO Network in Uplink Transmission

An Array System of Multi-Cell Multiuser MIMO Network in Uplink Transmission

... the uplink MU-MIMO system in multi-cell scheme. For uplink transmission, CSI is predicted using TDD ...the uplink will estimate the channel and uses the conjugate of the estimated channel as ...

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Result Analysis of Efficient MIMO Framework for NOMA Downlink and Uplink Transmission based on Signal Alignment

Result Analysis of Efficient MIMO Framework for NOMA Downlink and Uplink Transmission based on Signal Alignment

... NOMA can overcome a major problem of OMA based techniques that is not to allow frequency reuse within one cell, and is an advantageous technique for uplink transmission in future wireless communications. ...

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Joint Throughput Maximization and Fair Uplink Transmission Scheduling in CDMA Systems

Joint Throughput Maximization and Fair Uplink Transmission Scheduling in CDMA Systems

... downlink transmission assignment is important for several applications, the e ffi cient uplink transmission scheduling plays an important role as well, especially with the prevailing of multimedia ...

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QoS Analysis of MIMO NOMA for Uplink Transmission using Successive Bandwidth Division

QoS Analysis of MIMO NOMA for Uplink Transmission using Successive Bandwidth Division

... technique is known as the most favorable multiple access scheme for the future generation cellular communication networks. NOMA is a novel proposal for the encoding technology. The key and main opinion of this technique ...

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P-persistent Based OFDMA Uplink Transmission in the Next Generation Wireless LAN

P-persistent Based OFDMA Uplink Transmission in the Next Generation Wireless LAN

... periodic uplink OFDMA transmission allocation and problem description of the basic uplink OFDMA are illustrated in ...Since uplink OFDMA allows STAs to avoid contention for channel access, it ...

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A general MIMO framework for NOMA downlink and uplink transmission based on signal alignment

A general MIMO framework for NOMA downlink and uplink transmission based on signal alignment

... Abstract—The application of multiple-input multiple-output (MIMO) techniques to non-orthogonal multiple access (NOMA) systems is important to enhance the performance gains of NOMA. In this paper, a novel MIMO-NOMA ...

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Uplink precoding optimization for NOMA cellular connected UAV networks

Uplink precoding optimization for NOMA cellular connected UAV networks

... In this section, numerical results are provided to demon- strate the effectiveness of our proposed precoding optimiza- tion scheme. The simulation experiments are carried out in MATLAB using CVX. The parameters in the ...

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DORA: Server Based VANETs and its Applications

DORA: Server Based VANETs and its Applications

... data-base.Then, uplink transmission from a vehicle to the APs in a dynamic drive-thru scenario, where both the channel contention level and data rate vary over ...

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Vol 9, No 1 (2017)

Vol 9, No 1 (2017)

... for uplink transmission have been investigated over Rayleigh fading channels in [16], here, a closed-form expression for the ergodic normalized transmission rate is ...an uplink wireless ...

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2011 icc af cdr

2011 icc af cdr

... direct transmission takes one slot. One transmission through the relay takes also one slot: in the downlink, the first half of the slot is for the transmission BS-RS, while the second slot is is for ...

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Green Antenna and Radio over Fiber Technology for a Cellular Wireless

Green Antenna and Radio over Fiber Technology for a Cellular Wireless

... downlink transmission and uplink transmission is shown in figures 1 and ...where transmission process is carried out which includes coding, multiplexing, RF transmission ...

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CORRELATES OF SUCCESS IN JAVA PROGRAMMING: PREDICTING THE PERFORMANCE OF 
STUDENTS IN A JAVA COURSE FROM THE RESULTS OF LOWER LEVEL COURSES

CORRELATES OF SUCCESS IN JAVA PROGRAMMING: PREDICTING THE PERFORMANCE OF STUDENTS IN A JAVA COURSE FROM THE RESULTS OF LOWER LEVEL COURSES

... say Uplink (considered in our case) and ...LTE uplink (uplink) in particular with a comparative study between the scheduling algorithms flows that are: Round Robin (RR) Max Min Fair (MMF ), ...

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Quality of Experience Driven Resource Allocation Optimized for 360 degree Video transmission over LTE Uplink

Quality of Experience Driven Resource Allocation Optimized for 360 degree Video transmission over LTE Uplink

... LTE uplink is based on the SC-FDMA technology, and the basic unit of the resource in the LTE system is a physical Resource Block (RB), The UL system bandwidth can be divided into N RBs, which is described by ...

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Dynamic Selection of Relay Node Based on Channel Fading Coefficient for Reentry Hypersonic Vehicles

Dynamic Selection of Relay Node Based on Channel Fading Coefficient for Reentry Hypersonic Vehicles

... The uplink relay scheme is promising in mitigating the plasma blackout problem through S-band analysis under a typical reentry environment. Studies have shown that mitigating the plasma can also reduce the plasma ...

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Cooperative multi-user detection and ranging based on pseudo-random codes

Cooperative multi-user detection and ranging based on pseudo-random codes

... The position of the pedestrian is then determined by the distance and angle information relative to the car. In our ear- lier work (Morhart and Biebl, 2008) we presented a distance measurement sensor to fullfill this ...

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Uplink performance enhancement for LTE licensed assisted access to unlicensed spectrum

Uplink performance enhancement for LTE licensed assisted access to unlicensed spectrum

... Consider an LAA network which consists of one eNB and N UEs. For simplicity, we consider cross-carrier scheduling where UL grants are sent on the licensed band. The skill of analysis can be applied to self- scheduling. ...

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On the Uplink Performance of LAS CDMA

On the Uplink Performance of LAS CDMA

... resolvable paths, respectively. The reason that the LAS-CDMA scheme outperforms the traditional DS-CDMA system is that the MAI and MPI is reduced, as a benefit of using LAS codes. Figure 7 exhibits the performance of ...

10

Analysis of Signal Intelligence for Wireless Communication Systems

Analysis of Signal Intelligence for Wireless Communication Systems

... to uplink failure: RF call drop due to uplink failure is a kind of a call drop where the link failure occurs when the network site is unable to decode a SACCH(slow associated control channel) message, In ...

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4.5G Capacity & QoS Optimization: A New Proposal to Enhance the Principal KPIs of 5G/IoT

4.5G Capacity & QoS Optimization: A New Proposal to Enhance the Principal KPIs of 5G/IoT

... ─ Enabled:UE will report(ACK/NACK/DTX) if the HARQ feedback state of one uplink schedule is DTX, eNodeB will deliver UL GRANT again instead of start- ing HARQ retransmission. If the next HARQ feedback is still ...

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BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information

BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information

... and uplink pilots for downlink beamforming transmission are sent in the last symbol of the uplink ...of uplink sub- frames to downlink subframes is 1:3 in one equivalent block where the first ...

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