Advanced search

Found 4 essays matching the above criteria.

1. 1. Outage Probability Analysis of CooperativeCognitive Radio Networks Over κ − μ Shadowed Fading Channels

   University essay from Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

   Author : Mahathi Poreddy; [2016]
   Keywords : Cognitive Radio Networks; Cooperative Communications; Decode-and-Forward Relays; Multiple-relay; Outage Probability;

   Abstract : Over time, wireless technology advancements in the field of communications have been attracting every individual to turn into a wireless user. To accommodate the increasing number of users and to avoid the problem of spectrum scarcity, the concept of Cognitive Radio Network (CRN) has been developed. READ MORE

3. 2. Exploiting the Direct Communication Link for Enhancing Effective Capacity Performance of Cognitive Radio Relay Networks

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Md Abdul Matin Biswas; [2014]
   Keywords : Cognitive Radio; Quality of Service QoS ; Effective Capacity; Cooperative Relaying; Cognitive Relay Networks; Peak Interference Power Constraint; Delay QoS Constraint;

   Abstract : Nowadays, cognitive radio (CR) is a promising concept to improve the radio spectrum exploitation. CR has tremendous ability to enhance spectrum efficiency by allowing secondary users (SUs) to access licensed radio spectrum resource which is currently not being used by primary users (PUs). READ MORE

4. 3. Performance Analysis of OSTBC with Hybrid Decode-Amplify and Forward relay network

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Kanoksak Wannatrong; Mohammed Abul Hayat; [2013]
   Keywords : Cooperative communication; symbol error rate; moment generating function; orthogonal space-time block code. ;

   Abstract : In the last few decades, the innovation of Wireless communication has been developed very fast in order to improve the performance of communication systems. Especially,a concept of Multiple Input and Multiple Output (MIMO) is purposed to fulfill a high data rate service such as high quality video conference. READ MORE

5. 4. Performance analysis of dual hop cellular networks

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Muhammad Adeel Islam; Khan Ahmad Shah; [2011]
   Keywords : Diversity techniques; wireless networks; fading channels; relay channels; outage probability; symbol error rate; bit error rate; multiple input multiple output; user cooperation.;

   Abstract : Explosive growth in wireless technology caused by development in digital and RF circuit fabrications put some serious challenges on wireless system designers and link budget planning. Low transmit power, system coverage and capacity, high data rates, spatial diversity and quality of services (QOS) are the key factors in future wireless communication system that made it attractive. READ MORE