Search Results - "Halunga, S"

Multiuser detection in DS-CDMA systems using POCS algorithm by Voicu, C., Lohan, E. S., Halunga, S.

“…This paper presents the results obtained by a new multiuser detector based on the Projection Onto Convex Sets (POCS) deconvolution algorithm, in comparison…”
Get full text

OpenDaylight and OpenNebula integration: Testing traffic management by Belkadi, Omayma, Vulpe, Alexandru, Laaziz, Yassin, Halunga, Simona

“…Software-Defined Networking (SDN) and Cloud Computing are now two of the most adopted technologies, on which many organizations are working to enhance every…”
Get full text

On the availability of CDMA channels for secondary users by Fratu, O, Halunga, S, Perju, C, Martian, A, Marcu, I M

“…The present paper is analysing the occupancy of the radio spectrum for some typical CDMA communications systems. The paper presents also an analysis of how the…”
Get full text

Implementation techniques for communications protocols by Uleia, E., Halunga, S.

“…Implementation techniques of communication protocols are something of a black art, on par with writing device drivers. The paper presents a library and a…”
Get full text

On the UWB perfect Rake receiver performances for different sets of spreading codes by Cracium, F., Fratu, O., Halunga, S.

“…This ultra wideband (UWB) communication system proved to be a new and reliable system for wireless communications due to its capacity to provide low power,…”
Get full text

Propagation channel simulations for UWB communications by Craciun, F., Fratu, O., Halunga, S.

“…Ultra-wide band (UWB) systems with the multi-band orthogonal frequency division multiplexing techniques (ODFM) represent a promising technology for future…”
Get full text

Techniques for implementing real-time protocols for mobile communications systems by Uleia, E., Halunga, S., Fratu, O.

“…The paper describes a library and a technique used for implementing a mobile communication protocol, starting from the layer 2 DECT specification. The defining…”
Get full text

Modulation detection in wireless sensor networks using recurrence plot analysis by Digulescu, A., Celik, E. T., Serbanescu, A., Fratu, O., Halunga, S.

“…Modulation detection, one of the most important functions of a receiver in a communication system, is an intermediary step between its signal detection and…”
Get full text

Spectral controlled coding strategies performance enhancement by error correcting codes by Halunga, S., Fratu, O.

“…This paper presents the performances of a combined coding scheme that uses VL (VL)-runlength limited (RLL) codes (used for timing recovery purposes in many…”
Get full text

A grayscale image interpolation method using new morphological skeleton by Vizireanu, D.N., Halunga, S., Fratu, O.

“…This paper addresses the gray scale image interpolation by means of mathematical morphology. The new image interpolation method, called skeleton interpolation…”
Get full text

Radio link simulation method for UMTS communications in Rayleigh fading environment by Fratu, O., Halunga, S., Vizireanu, D.N.

“…This paper presents a simulation method for UMTS radio link in the presence of the Rayleigh fading, for different user equipment speeds. The propagation…”
Get full text

A digital feedforward acquisition algorithm for DS-SS transmissions by Fratu, O., Halunga, S.

“…This paper presents a new digital feedforward algorithm applicable in DS-SS signals acquisition when the PN code employed is not very long. The algorithm is at…”
Get full text

Non-Transparent Relays in a Large Scale MIMO System by Voicu, C., Berceanu, M., Halunga, S.

“…In nowadays wireless systems, all active users, who are sharing the same cell, would like to have the same quality of service regardless their position in the…”
Get full text

ATHENA Project-based Example of DVB-T - WiMax Interoperability by Ciochina, S., Marghescu, I., Fratu, O., Halunga, S., Cacoveanu, R., Negrescu, C., Bucur, M., Obreja, S.

“…The ATHENA European Research project (FP6-507312) is proposing a specific structure of hybrid communications access network, exploiting the particularities of…”
Get full text

High compression rate and error free grayscale images coding method using morphological "two steps" skeleton by Vizireanu, D.N., Halunga, S., Fratu, O.

“…This paper addresses the representation of grayscale images by means of binary mathematical morphology, a relatively new nonlinear theory for image processing,…”
Get full text

Transient evolution for different strategies in the amplifier gain control by Fratu, O., Halunga, S., Vladan, M., Bathaee, M.

“…In all data receivers that detects a nonbinary signal, the received signal level is calibrated in accordance with a desired target. This target is chosen…”
Get full text

A new delay locked loop structure with enhanced tracking behavior by Jamaleddine, K., Vizireanu, D., Malassenet, F., Halunga, S.

“…The paper presents a new structure of the noncoherent PN code tracking loop. This structure is analyzed in noise-free environments and its acquisition and…”
Get full text

Performance evaluation for multiuser detectors by Halunga, S.V., Fratu, O., Vizireanu, D.

“…This paper presents three multiuser detectors structures: the conventional detector, the optimum detector and the MMSE detector. The error probability…”
Get full text

Software defined radio - simulation for audio broadcasting applications by Berca, I.M., Halunga, S.V., Fratu, O.

“…This paper presents an application for a digital implementation of baseband and IF processing for an audio broadcasting signal. After a short introduction, the…”
Get full text

Downlink simulation for an UMTS/WCDMA cell by Fratu, O., Halunga, S.V., Vizireanu, D.N.

“…This paper presents a downlink simulation for a UMTS/WCDMA cell. In the first part a general model for the WCDMA downlink simulation is presented. In the…”
Get full text