code-division multiple-access channel
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... The research in [20] developed an OFDM structure that transmits and receives an image. The algorithm was constructed in a noisy fading channel with AWGN channel. The authors prove that the bit error rate is ...
12
Transmitter-based Multiple Access Interference Rejection and Diversity Techniques for Code-division Multiple Access Systems
... fading channel environment, and can only be viewed as flat fading non-orthogonal CDMA channels. The THP designs for frequency-selective fading channels are presented in [LD04, LDg04, LDj04]. In this thesis, we ...
120
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... bad channel qualities is proposed in ...the channel at all to prevent the performance anomaly problem via admission ...the channel at all and starvation problem in low rate nodes ...
14
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... (Mita Paunwala et.al) [14], the proposed biometric watermarking algorithm it aims to protection the biometric template. where they use two watermarks, the fingerprint features vector and iris features to embed in the ...
12
Transmitter Diversity and Multiuser Precoding for Rayleigh Fading Code Division Multiple Access Channels
... the channel, this feedback is outdated when it arrives at the transmitter ...since channel variation due to large Doppler shifts usually results in a different channel at the time of transmission ...
133
Implementation of Code Division Multiple Access using Asynchronous Sequential Techniques
... In this paper a technique for CDMA was presented that minimized the interference of several users by sharing the same kind of bandwidth. The higher cost of bandwidth is taken care of by utilization of the bandwidth in an ...
5
Performance of Space Code Division Multiple Access Systems Using Reduced Rank Detection
... system using U transmit antennas, each receive antenna branch provides (M U N + L − 1) samples corresponding to a data block, where (L − 1) is the result of channel delay, and the detector can collect a total of V ...
5
Hybrid pulse interval modulation code division multiple access for optical wireless communications
... optical multiple-access schemes, which employ time, wavelength (infrared) and time-and-wavelength domains for message ...Wavelength-Division Multiple-Access (WDMA), Time-Division ...
215
Multiuser Detection Assisted Time and Frequency Domain Spread Multicarrier Code Division Multiple Access
... improve channel decoder trellis path metric calculations when convolutional or turbo codes are combined with the chip-level linear minimum mean square error (LMMSE) code di- vision multiple ...
9
Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications
... AWGN channels. PAPR of MC-CDMA System over Rayleigh and AWGN Channel simulation is presented and MC-CDMA System with N-point FFT size is simulated to optimize the number of points in MC-CDMA system. Finally PAPR ...
55
Wideband Code Division Multiple Access (W CDMA) Tutorial
... degradation of the W–CDMA channel is the radiation from the antennas in the backward direction. All of the results presented previously are for antennas with a front-to-side ratio of 30 dB. If the radiation from ...
12
Performance Analysis of Multiple User Optical Code Division Multiple Access
... optical code division multiple access for multiple user ...Media access control implementation has been ...existence. Code division of the optical network is most ...
5
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... Today, data security is the main objective to protected personal data from unauthorized access users, because of the high-speed development of unsecured networks. The aim of apply symmetric-key algorithms is to ...
10
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... such code review does deliver fewer post-release defects because of the frequent inspection after taken into consideration by the practitioner in every change ...poor code review by the developers to ...
12
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... 959 an object, the object is distinguished from its background. The division of the segmentation process depends on the problem to be solved. Segmentation is a very important step or method used to change the ...
11
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... The total distributed search architecture for all our big datasets is beyond the scope of this paper; for an informal description, we refer the reader to a Twitter real-time engineering blog post. SAMA simply returns a ...
16
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... Based on the calculation of the production costs described in table 1, the profit of each type of Batik Madura among-others Batik Tulis with one coloring is IDR 12,832; Batik Tulis with [r] ...
12
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... ABSTRACT This paper addresses the problem of global practical output tracking for a class of high-order time-delay uncertain non-linear systems via state feedback.. On the basis of the h[r] ...
15
Time Hopping Multicarrier Code Division Multiple Access
... multicarrier code-division multiple-access (TH/MC-CDMA) scheme is proposed, where data is transmitted using relatively high-duration time-domain pulses with the aid of M -ary PPM ...
11
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... of multiple of tapes, because the number of columns in standard Turing matrix is a multiple of tapes (=t |S|), in the first tape q=0, in the second tape q=1, then in the τ’th tape q=τ-1, then ...
10