Traditionally, an unsuccessful packet reception, either due to channel conditions or
interference from multiple sources (collisions), is discarded and followed by a new reception …

Traditionally, a packet with errors, either due to channel noise or collisions, is discarded and
needs to be retransmitted, leading to performance losses. Hybrid Automatic Retransmission …

Traditionally, Low Earth Orbit (LEO) satellite networks use hard handovers when a Mobile
Terminal (MT) moves between the footprints of two satellites. Such approach introduces a …

Random access approaches in Low Earth Orbit (LEO) satellite networks are usually
incompatible with the Quality of Service (QoS) requirements for multimedia traffic, especially …

Abstract Machine Type Communication (MTC) applications were designed to monitor and
control elements of our surroundings and environment. MTC applications have a different …

Abstract Machine Type Communication (MTC) applications were designed to monitor and
control elements of our surroundings and environment. MTC applications have a different …

Ever since modern wireless digital communication was first used in the Hawaiian Islands in
the early 1970s that it has been an evolving subject. At the time the researchers were …

The forthcoming generation of mobile communications, 5G, will settle a new standard for a
larger bandwidth and better Quality of Service (QoS). With the exploding growth rate of user …

Multipacket Reception (MPR) techniques employing either Direct Sequence Code Division
Multiple Access (DS-CDMA) or Network Diversity Multiple Access (NDMA) have great …

Redes de satélites farão parte das futuras redes integradas de comunicações,
proporcionando cobertura ubíqua e grande resiliência. Estas redes complementam a …