ProSoft Technology ICX35-HWC User Manual page 116

Cellular Technology Definitions
User Manual
GPRS
General Packet Radio Service (GPRS) is packet-switched with many users
sharing the same transmission channel, but only transmitting when they have
data to send. This means that the total available bandwidth can be immediately
dedicated to those users who are actually sending at any given moment,
providing higher utilization where users only send or receive data intermittently.
GPRS provides speeds of 30-70 kbps with bursts up to 170 kbps.
HSDPA
HSDPA (High-Speed Downlink Packet Access) is a cellular technology allowing
for higher data transfer speeds. In HSDPA mode of operation, max speeds are
up to 7.2 Mbit/s in the downlink and 384 kbit/s in the uplink. HSDPA uses
Adaptive Modulation and Coding (AMC), fast packet scheduling at the Node B
(Base Station) and fast retransmissions from Node B (known as HARQ-Hybrid
Automatic Repeat Request) to deliver the improved downlink performance vs.
UMTS and EDGE. HSPDA (and HSUPA) falls back to UMTS, EDGE or GPRS (in
order of precedence). This feature allows you to have seamless connectivity no
matter where your ICX35-HWC is located.
HSUPA
HSUPA (High-Speed Uplink Packet Access) is a cellular technology which most
closely resembles a broadband synchronous connection. The upload and
download speeds are maximized to provide a faster throughput, reaching speeds
up to 2.0 Mbit/s for the uplink and 7.2 Mbit/s for the downlink. Please check with
your network provider on the availability of HSUPA.
LTE
Long Term Evolution (LTE) commonly referred to at 4G LTE, is based on the
GSM/EDGE and UTMS/HSPA network technologies, increasing the capacity and
speed using a different radio interface together with core network improvements.
LTE offers the highest link rates currently available.
Security
1x and EV-DO data transmissions are highly secure. Originally developed based
upon the "spread spectrum" pioneered by the US Department of Defense,
security in CDMA technologies is obtained by spreading the digital information
contained in a particular signal of interest over multiple coded paths, over a much
greater bandwidth than the original signal.
UMTS
UMTS (Universal Mobile Telecommunications System) supports up to 1920 kbit/s
data transfer rates, although most users can expect performance up to 384
kbit/s. A UMTS network uses a pair of 5 MHz channels, one in the 1900 MHz
range for uplink and one in the 2100 MHz range for downlink.
Page 116 of 137
ICX35-HWC ♦ Industrial Cellular Gateway
ProSoft Technology, Inc.
October 26, 2018
3G/4G LTE