— Most of the existing works on space-time block codes (STBC) assume the channels are quasi-static, i.e., they remain invariant within one block. This assumption is not always tr...
– Shared-backup path protection (SBPP) has been widely studied in the GMPLS networks due to its efficient spare capacity sharing and flexibility in service provisioning. This pap...
Qi Guo, Pin-Han Ho, Anwar Haque, Hussein T. Moufta...
— Key management has long been a challenging problem in wireless Distributed Sensor Networks (DSNs) due to their high security requirements and strict resource constraints. Recen...
—Today, international mobile roaming (IMR) is experiencing changes both in terms of technology and business models. Traditionally, voice and SMS have been the only services offer...
1 Routers need buffers to store and forward packets, especially when there is network congestion. With current memory technology, neither the SRAM nor the DRAM alone is suitabl...
— Thanks to recent technological progress, autonomous wireless sensor networks have experienced considerable development. Currently, they are used in the areas of health care, en...
— A central problem in today’s Internet is unsolicited bulk email: spam. The SMTP protocol lacks a mechanism for verifying the source of a message, and respective protocol exte...
— In this work we develop Markovian models to study the dynamics of elastic calls in a cell served by HSDPA and WiMAX systems. We first present analytical models for interferenc...