Data from 247 global software development teams were used to examine the impact of temporal dispersion and leadership roles on the relationship between nationality diversity and team performance. Nationality diversity was positively related to team performance when project leaders regularly coordinate and monitor team members’ activities, and acted as mentors and facilitator. However, when nati...

A joint power control and space-time diversity scheme is proposed for uplink and downlink. In the uplink, mobile powers and equalization/diversity combining vectors at base stations are calculated jointly. The mobile transmitted power is minimized while the Signal to Noise Ratio (SNR) at each link is maintained above a threshold. A multitap transmit diversity scheme for the downlink is also pro...

Energy Detection based Spectrum Sensing technique plays major role because of its low complexity. Performance of Energy detection based spectrum sensing of unknown signals can be achieved over Rayleigh fading channel by deriving its detection probability with and without considering diversity techniques. Detection probabilities versus average Signal-to-Noise Ratio (SNR) plots are obtained for R...

In this paper, we study FPGA implementation of a novel supra-optimal receiver diversity combining technique, generalized maximal ratio combining (GMRC), for wireless transmission over fading channels in SIMO systems. Prior published results using ML-detected GMRC diversity signal driven by BPSK showed superior bit error rate performance to the widely used MRC combining scheme in an imperfect ch...

The study of relaying systems has found renewed interest in the context of cooperative diversity for communication channels suffering from fading. This paper provides analytical expressions for the end-to-end SNR and outage probability of cooperative diversity in correlated lognormal channels, typically found in indoor and specific outdoor environments. The system under consideration utilizes d...

The diversity schemes include EGC (equal gain combining) and MRC (maximal ratio combining) diversity combining with an MC-CDMA (multi-carrier coded-division multiple-access) system operating in the cases of either correlated or uncorrelated frequency selective fading channels are invested in this paper. The sum of Nakagami-m variates (envelope intensity) is applied for deriving the closed-form ...