Recently, Cognitive Radio has been proposed as a promising technology to improve spectrum utilization. A highly flexible SDR( Software defined Radio) system needs to configure each of its blocks to give optimum performance over the available bandwidth. Present work discusses an approach for rate adaptive coder yielding minimum BER (Bit error rate) for emergency services over cognitive radio. Th...

MIMO technologies with OFDM air interface lead to a very compelling high-speed data transmission for future wireless systems. Since performance verification of MIMO system is important, Software Based Radio(SDR) -based MIMO testbed becomes essential to validate the theoretical performance gain. In this paper, we present SDR-based MIMO testbed system developed in the framework of SK Telecom. The...

This paper presents low-level models of cellular LTE signals along with an architecture for a software-defined radio (SDR) that is capable of (1) extracting the essential parameters for navigation from the received LTE signals and (2) acquiring and tracking real LTE signals transmitted from multiple base stations. Moreover, a method for obtaining time-of-arrival (TOA) estimates that is highly r...

Pelham, Koole, Hardin, Hetts, Seah, and DeHart (2005) found that implicit and explicit selfesteem correlated more strongly among women than men. The goal of this study was to replicate this finding and test whether it was due to gender differences in socially desirable responding (SDR). Ninety-nine German students completed measures of implicit self-esteem (Implicit Association Test and name-le...

The performance of two groups of patients with semantic dementia (SD), with predominant right (SDR) and left temporal lobe atrophy (SDL), was contrasted with that of cases with probable Alzheimer's disease (AD) on a range of standard episodic memory tasks. While the SDL group achieved a good score on a composite visual, but not a verbal, episodic memory measure, the AD and SDR groups were equiv...

The effect of socially desirable responding (SDR) on the consensual validity of personality traits was studied. SDR was operationalized as the sum of items weighted by their respective social desirability values (Social Desirability Index, SDI), which could be computed for both selfand peer-reports. In addition, the Balanced Inventory of Desirable Responding (BIDR) was used as a measure of SDR....

The role of radio in the communication systems have been extended from simple radio to mobile communications and beyond. Minimization or the replacement of hardware in communication technology through software has been resulted in the birth of a new technology, widely known as Software Defined Radio (SDR). This paper deals with the development of SDR to transfer information from one place to an...

Previously, we showed caveolae contain a population of protein kinase Calpha (PKCalpha) that appears to regulate membrane invagination. We now report that multiple PKC isoenzymes are enriched in caveolae of unstimulated fibroblasts. To understand the mechanism of PKC targeting, we prepared caveolae lacking PKCalpha and measured the interaction of recombinant PKCalpha with these membranes. PKCal...

Recently, a new approach for isolation of open faults in integrated circuits (ICs) was developed. It is based on mapping the radio-frequency (RF) magnetic field produced by the defective part fed with RF probing current, giving the name to Space Domain Reflectometry (SDR). SDR is a noncontact and nondestructive technique to localize open defects in package substrates, interconnections and semic...