859 citations
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17 papers · 1 filter
Error Floor Analysis of Coded Slotted ALOHA over Packet Erasure Channels
Mikhail Ivanov, Fredrik Brannstrom, Alexandre Graell i Amat +1
We present a framework for the analysis of the error floor of coded slotted ALOHA (CSA) for finite frame lengths over the packet erasure channel. The error floor is caused by stopp…
Efficiency Analysis of Decoupled Downlink and Uplink Access in Heterogeneous Networks
Katerina Smiljkovikj, Liljana Gavrilovska, Petar Popovski
This paper analyzes two-tier heterogeneous cellular network with decoupled downlink and uplink access. The basic performance benefits of uplink/downlink decoupling have been recent…
A Stochastic Geometry Framework for LOS/NLOS Propagation in Dense Small Cell Networks
Carlo Galiotto, Nuno K. Pratas, Nicola Marchetti +1
The need to carry out analytical studies of wireless systems often motivates the usage of simplified models which, despite their tractability, can easily lead to an overestimation…
Normally Regular Digraphs
Leif K Jørgensen
A normally regular digraph with parameters is a directed graph on vertices whose adjacency matrix satisfies the equation . This…
Reengineering GSM/GPRS Towards a Dedicated Network for Massive Smart Metering
Germán Corrales Madueño, Čedomir Stefanović, Petar Popovski
GSM is a synonym for a major success in wireless technology, achieving widespread use and high technology ma- turity. However, its future is questionable, as many stakeholders indi…
Sign-Compute-Resolve for Random Access
Jasper Goseling, Cedomir Stefanovic, Petar Popovski
We present an approach to random access that is based on three elements: physical-layer network coding, signature codes and tree splitting. Upon occurrence of a collision, physical…