spreading code
Spreading Code Assignment Strategies for MIMO CDMA Systems Operating in Frequency Selective Channels
... fixed spreading code ...the spreading codes as a function of the data to be transmitted, we can achieve coding gain and introduce additional degrees of freedom in the decision variables at the output ...
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Maximization of Spreading Code Cardinality Using Transpose Function in Synchronous Optical CDMA
... novel spreading code-set construction based on the prime code (PC) families and transpose function, referred to as ‘transposed modified prime codes (T- MPC)’, for the application in synchronous ...
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Loosely synchronized spreading code aided network performance of quasi synchronous UTRA like TDD/CDMA systems
... Figure 3: Probability of low quality access versus number of users of the UTRA-like TDD cellular network using LS codes and OVSF codes both with as well as without beamforming in conjunc[r] ...
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Adaptive Cross-Layer Distributed Energy-Efficient Resource Allocation Algorithms for Wireless Data Networks
... finding spreading codes sets that have a better performance (in terms of achieved energy e ffi ciency) than the original set of spreading codes, thus implying that running equations (42) for a certain number ...
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Radar Communication Integration Based on MSK LFM Spread Spectrum Signal
... ideal spreading code is a purely random sequence, but in the receiver, despreading requires a copy of the spread spectrum code that is the same as the spread spectrum code in ...de- ...
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Resource Allocation with Adaptive Spread Spectrum OFDM Using 2D Spreading for Power Line Communications
... 2D spreading in the time and frequency ...subcarriers, spreading codes, bits and energies assignment in order to maximize the data rate and the range of the communication ...the spreading code ...
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Performance Analysis of Multi User Detectors for Synchronous DS CDMA Systems
... Using spreading code properties to support multiple users within the same spread bandwidth is also called spread-spectrum multiple access (SSMA), which is a special case of code-division multiple ...
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Complexity-Reduced MLD Based on QR Decomposition in OFDM MIMO Multiplexing with Frequency Domain Spreading and Code Multiplexing
... and spreading code matrix in order to decompose fully the spatial and code multiplexed transmit symbols at the ...domain spreading and code multiplexing are used in OFDM, the symbol ...
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ANALYSIS THE PERFORMANCE OF MULTI-CARRIER CDMA SYSTEM WITH FADING AND INTERFERENC
... A multicarrier system is a system where several subcarriers are used for parallel transmission of data packets. A new multicarrier mechanism is applied to a Code Division Multiple Access (CDMA) network [4]. In a ...
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A Joint Optimization Criterion for Blind DS-CDMA Detection
... its spreading code. We have shown how to extend the code-constrained inverse fil- ter criterion presented in [1], by considering a more gen- eral criterion based on joint optimization of several ...
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SOFTWARE CONFIGURATION MANAGEMENT PRACTICE IN MALAYSIA
... FCC-MDW code to eliminate MAI and effectively mitigate PIIN as well as the number of simultaneous users can be enhanced ...FCC-MDW code which the analysis focuses on different data ...the code ...
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Channel equalization using watermark as a training sequence
... Muhammad Kashif Samee, J¨urgen G¨otze, Shanq-Jang Ruan and Yu-Ting Pai: Digital Watermarking: Spreading Code versus Channel Coding, Proceedings of the 3rd IEEE International Symposium on[r] ...
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The Alamouti Scheme with CDMA-OFDM/OQAM
... That is the case if we are in the presence of a constant channel over frequencies. Indeed, only in this case the order of the equalization and despreading operations can be exchanged without impairing the transmission ...
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A Novel Permutation Spreading for MIMO-CDMA Based on STBC
... the spreading codes in direct-sequence spread spectrum (DS-SS) systems is first introduced in ...selected spreading codes (SS-PB), instead of appending the parity bits generated from a linear block encoder, ...
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Analysis the effect of processing gain on optical coded IDMA at minimum loss using random and tree inter leaver
... convolutional code rate (1,3) O-IDMA using random and tree inter- leaver with spreading length 16 and data length ...convolutional code rate (1,3) O- IDMA using random and tree inter-leaver with ...
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Rumor Spreading: A Survey
... The mean field theory, which replaces the single effect tax with the average effect, can simplify the complex problem effectively, so it is widely used in mathematics, chemistry and physics research, and is also the most ...
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Structure of the Earth - Intro. to Plate Tectonics
... • Oldest sea floor away from mid-ocean ridge.. Evidence for Seafloor Spreading. Evidence for Seafloor Spreading[r] ...
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Prioritizing Blended Course Discussion Forum Posts using Linguistic Features and Metadata with Limited Labelled Instances.
... a code block in online posts is to identify the beginning and the end of the code as often these code snippets are preceded and succeeded by text in a single post explaining the student’s ...their ...
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Structural Analysis via Cellular Automata: Parameters of Wings of Boeing 737
... the spreading of coloured cells (within the context of any colour defined by the user) among the other ...The spreading is analogous to patterns where these could be ...of spreading could be ...
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Spreading dynamics on spatially constrained complex brain networks
... basic spreading model in favour of the more complex signalling models outlined above, as the aim here is to highlight the contribution of spatial network properties to signal ...to spreading on the brain ...
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