communications, a downlink (DL) is the link from a satellite to a ground station. Pertaining to cellular networks, the radio downlink is the transmission...

Packet Access (HSPA) is an amalgamation of two mobile protocols—High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA)—that...

1646.5–1656.5 MHz Downlink restricted to 1526–1536 MHz Downlink between 2180–2200 MHz restricted to intra-band Supplemental Downlink Duplex spacing depends...

Frequency-division duplexing (FDD); time-division duplexing (TDD); FDD supplemental downlink (SDL); FDD supplemental uplink (SUL) UE transmit; BS receive UE receive;...

1525–1559 MHz: Skyterra downlink (Ligado is seeking FCC permission for terrestrial use) 1526–1536 MHz: proposed Ligado downlink 1536–1559 MHz: proposed...

replacement of the Universal Mobile Telecommunications System (UMTS), High-Speed Downlink Packet Access (HSDPA), and High-Speed Uplink Packet Access (HSUPA) technologies...

Transponders Band S-band, telemetry and telecommand Ka-band, science data downlink Bandwidth S-band up: 16 kbit/s S-band down: 40 kbit/s Ka-band down: up...

Downlink CNR (Carrier to noise ratio in satellite reception) is an important figure in system TVRO design. Below are certain parameters used in CNR computation...

The same applies in the downlink direction. The transmit/receive transition gap (TTG) is the gap (time) between a downlink burst and the subsequent uplink...

efficiency of 15 bit/s·Hz in the downlink, and 6.75 bit/s·Hz in the up link (meaning that 1 Gbit/s in the downlink should be possible over less than...