Non Iterative Algorithm for Multi-user Detection in DS-CDMA System: An Enhanced Harmony Search Algorithm
نویسندگان
چکیده
منابع مشابه
Iterative Multi-user Detection for Ds-cdma with Fec
| This paper discusses an iterative multiuser receiver for direct-spread code-division multiple-access (DS-CDMA) using random spreading codes with forward error control (FEC) coding. The maximum a-posteriori (MAP) criteria is used to derive the receiver for the joint received signal , with the decoding performed by single user MAP decoders. Iterations of the receiver/decoder set are used as a m...
متن کاملProbabilistic Power Distribution Planning Using Multi-Objective Harmony Search Algorithm
In this paper, power distribution planning (PDP) considering distributed generators (DGs) is investigated as a dynamic multi-objective optimization problem. Moreover, Monte Carlo simulation (MCS) is applied to handle the uncertainty in electricity price and load demand. In the proposed model, investment and operation costs, losses and purchased power from the main grid are incorporated in the f...
متن کاملIterative multi-user turbo-code receiver for DS-CDMA
The topic of interference cancellation in a coded Code Division Multiple Access (CDMA) system has been the focus of much recent research. Earlier works have studied methods for jointly decoding all the users resulting in most having an exponential complexity for the corresponding receiver. In this report, a number of di erent iterative decoding methods are proposed for the multi-user interferen...
متن کاملIIR System Identification Using Improved Harmony Search Algorithm with Chaos
Due to the fact that the error surface of adaptive infinite impulse response (IIR) systems is generally nonlinear and multimodal, the conventional derivative based techniques fail when used in adaptive identification of such systems. In this case, global optimization techniques are required in order to avoid the local minima. Harmony search (HS), a musical inspired metaheuristic, is a recently ...
متن کاملMulti-user Detection in Ds-cdma Systems Using a Genetic Algorithm with Redundancy Saving Strategy
This study demonstrates that the configuration of a fixed generation number in the conventional genetic algorithm–based multi-user detector (GA-MUD) induces considerable redundant iterations and thus results in a computational inefficiency. To overcome this difficulty, this research suggests a redundancy saving strategy for the GAMUD (RSGA-MUD) based on the cost statistics of the GA solutions i...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International Journal of Computer Applications
سال: 2013
ISSN: 0975-8887
DOI: 10.5120/12503-7935