• No results found

Multiple Access Interference Cancellation

DS CDMA Implementation with Iterative Multiple Access Interference Cancellation
Y Mallikarjuna Reddy & A Manya Naik

DS CDMA Implementation with Iterative Multiple Access Interference Cancellation Y Mallikarjuna Reddy & A Manya Naik

... The LFSR is a 51 stage delay line, with stages 1 and 4 tapped. The value of each stage is programmed to a unique sequence for each user. The length and taps were chosen to supply a suitable pseudo-random number ...

6

Uplink Performance Evaluation of CDMA Communication System with RAKE Receiver and Multiple Access Interference Cancellation

Uplink Performance Evaluation of CDMA Communication System with RAKE Receiver and Multiple Access Interference Cancellation

... Similar parameters used in 1.3.1 are used in this analysis. In addition, the channel parameters are updated ran- domly in each loop, and the number of paths for each user changes randomly between 2 and 5. Figure 6 ...

8

Performance Analysis of One stage and Two stage Parallel Interference Cancellation for Optical Code Division Multiple Access System

Performance Analysis of One stage and Two stage Parallel Interference Cancellation for Optical Code Division Multiple Access System

... asynchronous access and secure communication, which has led to its implementation in optical domain termed as optical CDMA (OCDMA) communication systems ...

5

MAXIMIZED RESULT RATE JOIN ALGORITHM

MAXIMIZED RESULT RATE JOIN ALGORITHM

... Parallel Interference Cancellation (WLPIC) Multiuser Detection (MUD) scheme with Vertical-Bell Laboratories Layered Space-Time (V-BLAST) signal detection algorithms in uplink Code Division Multiple ...

8

A Novel Technique for Multiple Access Interference Reduction in DS-CDMA Wireless Communications

A Novel Technique for Multiple Access Interference Reduction in DS-CDMA Wireless Communications

... reducing Multiple Access Interference (MAI) in Direct Sequence – Code Division Multiple Access (DS-CDMA) systems prevailing in wireless ...determine interference ratio far more ...

7

Regularization property of linear interference cancellation detectors

Regularization property of linear interference cancellation detectors

... Multi access interference (MAI) is the main limiting factor for the capacity of the third generation cellular system employing Code Division Multiple Access (CDMA) scheme ...of ...

17

Interference cancellation for non orthogonal multiple access used in future wireless mobile networks

Interference cancellation for non orthogonal multiple access used in future wireless mobile networks

... of multiple-input multiple-output (MIMO) technologies to NOMA is important since the use of MIMO provides additional degrees of freedom for fur- ther performance ...has multiple antennas, has been ...

12

Parallel Interference Cancellation Assisted Decision Directed Channel Estimation for OFDM Systems using Multiple Transmit Antennas

Parallel Interference Cancellation Assisted Decision Directed Channel Estimation for OFDM Systems using Multiple Transmit Antennas

... The outline of the papers is as follows. In Section II, we portray the signal model associated with the spatial division multiple access (SDMA) uplink transmission scenario. Note again that in terms of the ...

15

Co channel interference cancellation using precoding for bi direction multiple hops MIMO relay systems

Co channel interference cancellation using precoding for bi direction multiple hops MIMO relay systems

... co-channel interference, time division multiple access (TDMA), frequency division multiple access (FDMA), code division multiple access (CDMA) and so on have been ...

8

Performance Analysis of Multiple User Optical Code Division Multiple Access

Performance Analysis of Multiple User Optical Code Division Multiple Access

... division multiple access asynchronous net- works with bit error rate and multiple access interference with the help of encoding process along with EDFA ...less interference as ...

5

Iterative Soft Decision Interference Cancellation for DS CDMA Employing the Distribution of Interference

Iterative Soft Decision Interference Cancellation for DS CDMA Employing the Distribution of Interference

... code-division multiple-access (DS-CDMA) transmission is iterative soft decision interference ...for cancellation, the distribution of residual interference is commonly assumed to be ...

8

Interference Cancellation in Cooperative CDMA Networks

Interference Cancellation in Cooperative CDMA Networks

... with multiple users simultaneously. Messages received from multiple sources are decoded using multi user detector (MMSE- MUD) at the relays and are jointly processed before being retransmitted to the base ...

6

Transmitter-based Multiple Access Interference Rejection and Diversity Techniques for Code-division Multiple Access Systems

Transmitter-based Multiple Access Interference Rejection and Diversity Techniques for Code-division Multiple Access Systems

... To implement transmitter-based MAI cancellation and diversity techniques, the CSI must be available at the transmitter. CSI can be estimated at the receiver and sent to the transmitter via a feedback channel. Thus ...

120

Multicast in Femtocell Networks: A Successive Interference Cancellation Approach

Multicast in Femtocell Networks: A Successive Interference Cancellation Approach

... In this paper, we investigated data multicast in femto- cell networks consisting of an MBS and multiple FBS’s. We adopted SC and SIC for multicast data and inves- tigated how to assign transmit powers for the ...

12

Generalised grouped minimum mean-squared errorbased multi-stage interference cancellation scheme for orthogonal frequency division multiple access uplink systems with carrier frequency offsets

Generalised grouped minimum mean-squared errorbased multi-stage interference cancellation scheme for orthogonal frequency division multiple access uplink systems with carrier frequency offsets

... stage interference cancellation (MIC) scheme for the uplink OFDMA systems with CFOs, in order to achieve better trade-off between performance and ...group-wise interference cancellation (GIC) ...

27

A NOVEL APPROACH TO GENERATE DISTRIBUTED GLOBAL AND LOCAL USE CASES: A NEW 
NOTATION

A NOVEL APPROACH TO GENERATE DISTRIBUTED GLOBAL AND LOCAL USE CASES: A NEW NOTATION

... to interference cancellation detection are discussed as follows: Kyeongyeon Kim et ...Successive Interference Canceller) of MU-MMSE for downlink approach of MIMO MCCDMA (Multi-Carrier Code Division ...

8

Multiple Antenna Interference Cancellation for WLAN with MAC Interference Avoidance in Open Access Networks

Multiple Antenna Interference Cancellation for WLAN with MAC Interference Avoidance in Open Access Networks

... semiblind multiple- antenna algorithms are assumed at the PHY layer in order to identify possible improvements in system throughput and coverage for different OAN scenarios with VU and HU ter- ...tersystem ...

11

Individual secrecy of fading homogeneous multiple access wiretap channel with successive interference cancellation

Individual secrecy of fading homogeneous multiple access wiretap channel with successive interference cancellation

... Secrecy problems related to SIC were studied in [38], where the authors only considered the case of two transmitter-receiver pairs and tried to find the coordi- nated beamforming vectors at the transmitters to reach an ...

15

Joint interference estimation and cancellation for coherent frequency hopping multiple access systems

Joint interference estimation and cancellation for coherent frequency hopping multiple access systems

... joint interference reconstruction and multiple-user detec- tion (MUD) algorithm using the factor graph ...the interference fragments of the interfering users hop by hop, a virtual user with the same ...

16

Wiener-based ICI Cancellation Schemes for OFDM Systems over Fading Channels

Wiener-based ICI Cancellation Schemes for OFDM Systems over Fading Channels

... intercarrier interference. Several ICI cancellation schemes have been proposed, and ZF (zero forcing) detection scheme is one of ...successive interference cancellation scheme has been ...

20

Show all 10000 documents...

Related subjects