adaptive DS-CDMA receiver
ADAPTIVE DS-CDMA RECEIVER WITH CODE TRACING IN A DISTINCT PERIOD OF UNSPECIFIED ENVIRONMENTS
... coherent receiver with PN code tracking for direct sequence code division multiple access (DS-CDMA) communication systems in multipath ...coherent receiver approaches to that of the ...
9
Design and Performance Analysis of an Adaptive Receiver for Multicarrier DS CDMA
... an adaptive parallel interference cancela- tion (APIC) scheme is proposed for the MC-DS-CDMA sys- tem, in which the frequency diversity inherent in the MC sys- tem is exploited through maximal ratio ...
10
Software Defined Radio Assisted Adaptive Broadband Frequency Hopping Multicarrier DS CDMA
... in adaptive FH/MC DS-CDMA-based wireless communication ...the receiver as well as provision of reliable side-information feed- back between the channel quality estimator or predictor of the ...
10
Minimum BER Receiver Filters with Block Memory for Uplink DS CDMA Systems
... the receiver parameters in a perfect synchronized system when the receiver is modeled by a memoryless block receiver ...BER receiver filter for single-user SISO systems and no transmitter ...
12
ADAPTIVE CODE TO USER ALLOCATION FOR INTERFERENCE MANAGEMENT ON THE DOWNLINK DS-CDMA SYSTEMS
... the receiver structure benefit from a significant performance improvement when combined with proposed ...the receiver structure benefit from a significant performance improvement when combined with proposed ...
11
Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels
... For such applications, the linear minimum mean square error (MMSE) MUD [5]–[9] is widely used, as it is computationally very simple and can readily be implemented using standard adaptive filter techniques. A more ...
8
Adaptive interference suppression for DS-CDMA systems based on interpolated FIR filters with adaptive interpolators in multipath channels
... joint adaptive interpolator and receiver scheme and conclude that it leads to an optimization problem with multiple global minima and no local ...supervised adaptive algorithms is rendered possible ...
20
Rake Receiver Detection of Adaptive Modulation Aided CDMA over Frequency Selective Channels
... 5]. Receiver antenna diversity using var- ious combining methods [11, Ch 5] and transmitter antenna diversity employing space-time codes [12], [13] belong to the family of space-diversity ...Rake- receiver ...
5
Computationally Efficient Blind Code Synchronization for Asynchronous DS CDMA Systems with Adaptive Antenna Arrays
... wideband CDMA (W-CDMA) or multicarrier CDMA (MC-CDMA) for 3G cellular radio systems, because of its many advan- tages compared with the conventional frequency- and/or time-division ...
15
Joint Closed-Loop Power Control and Base Station Assignment for DS-CDMA Receiver in Multipath Fading Channel with Adaptive Beamforming Method
... (DS-CDMA) receiver in the presence of frequency-selective Rayleigh ...This receiver consists of three ...(CG) adaptive beamforming algorithm, the desired users’ signal in an arbitrary ...
12
Adaptive Rate DS CDMA Systems using Variable Spreading Factors
... of DS-CDMA systems can be increased when the conventional matched-filter-based receiver is em- ...single-cell DS-CDMA system, where the number of active mobile users obeys the Poisson ...
10
Nonlinear Multiuser Receiver for Optimized Chaos-Based DS-CDMA Systems
... three users respectively. Bits of positive parity are white, while bits of negative parity are shaded. If the spreading codes are orthogonal then the correlation matrix would be the identity matrix, and the received ...
12
Subband Adaptive Array for DS CDMA Mobile Radio
... whereas the output SINR of the implicit RAKE de- creases from the value of (14) to the value of (13) de- pending on the delay of the delayed path. When the delay is very large, there may be difference up to 3 dB in the ...
9
Space-Time Joint Interference Cancellation Using Fuzzy-Inference-Based Adaptive Filtering Techniques in Frequency-Selective Multipath Channels
... an adaptive robust MMSE array- receiver is proposed based on a fuzzy-logic controlled LMS or RLS algorithm for space-time joint asynchronous DS-CDMA ...erent adaptive LMS algorithms ...
17
Adaptive DS/CDMA Non Coherent Receiver using MULTIUSER DETECTION Technique
... non-coherent receiver with PN code tracking for direct sequence code division multiple access (DS-CDMA) communication systems in Multipath ...non-coherent receiver approaches to that of the ...
5
Signal Processing by Generalized Receiver in DS-CDMA Wireless Communication Systems with Optimal Combining and Partial Cancellation
... a DS-CDMA system with multipath fading ...a receiver based on the ...a receiver based on PPIC with hard decisions owing to their nonlinear ...
15
Analytical Bit Error Rate Performance of DS CDMA Ad Hoc Networks using Large Area Synchronous Spreading Sequences
... for decades and have evolved to sensor networks and mesh networks [8, 9], both of which potentially support a large number of nodes in the network. Although the appli- cation of LAS codes in cellular networks is limited ...
5
Multiuser Delay Tracking CDMA Receiver
... Multiuser channel estimation that does not use a mul- tipath decorrelator front-end may have less noise enhance- ment and larger capacity for relatively slow fading where there is no severe tracking problem. In [25], ...
10
Analytical BER Performance of DS CDMA Ad Hoc Networks using Large Area Synchronized Spreading Codes
... It is demonstrated that LAS DS-CDMA exhibits a significantly better performance than the family of classic DS-CDMA systems operating in a quasi-synchronous scenario associated with a hig[r] ...
5
Performance Comparison of FH/MC DS CDMA with Single and Multi Carrier DS CDMA
... The multiple-access scheme is constituted by frequency-hopping FH based multicarrier DS-CDMA FWMC DS-CDMA, where the entire bandwidth of future systems can be divided into a number of su[r] ...
6