8
SYSTEM OVERVIEW
The ProST is an outdoor WiMAX-based customer premises equipment (CPE). The ProST, which uses
Intel Corporation’s Pro/Wireless 5116 broadband interface, connects IP-enabled devices directly to
WiMAX networks. Designed for the residential and small enterprise (SME) markets, the device
supports high-speed broadband Internet through a Fast Ethernet connection.
The ProST ensures high service availability at enhanced ranges, operating in both LOS and NLOS
propagation environments. ProST uses the OFDM signaling format, providing non line-of-sight
(NLOS) performance. ProST utilizes QAM, QPSK, and BPSK modulation technologies by modulating
transmitted signals and demodulating the received signals where the original digital message can be
recovered. The use of adaptive modulation allows ProST to optimize throughput, yielding higher
throughputs while also covering long distances.
ProST models support IP services at speeds of up to 37 Mbit/s over-the-air gross rates over channel
bandwidths of up to 10 MHz in both uplink and downlink. ProST is available in numerous ETSI
frequency bands, operating in FDD and TDD modes in numerous channels, see:
ProST Frequency
Ranges
and
ProST-2 Frequency Ranges
.
ProST is also available in a multi-mode model (ProST-2) based on the Intel ® Rosedale chipset
which supports both TDD and FDD.
Note: ProST-2 is presently available for frequencies, 3.4–3.6 and 3.6–3.8 only.
ProST can be deployed with a built-in, integral antenna or alternatively, with an external antenna to
provide better radio coverage. Requiring professional installation, the ProST is installed outdoors on
a pole or wall, enabling optimal positioning for best reception with the BS. Outdoor mounting of the
ProST is made possible due to ProST's built-in lightning surge protection feature (complying with
Surge Immunity standard EN 61000-4-5).
ProST is powered through the SDA-1 Type II (referred henceforth as SDA-1) adapter which
interfaces with the subscriber's LAN. ProST connects to the SDA-1's 100BaseT interface port by a
standard 100-meter CAT-5 cable. The SDA-1 also provides the ProST with 10 to 52 VDC power
supply. However, as an alternative to these adapters, Airspan offers three optional integrated LAN
switches:
SDA-4S Type II: A standard integrated LAN switch, providing four 10/100BaseT interfaces
with the subscriber’s computers. This model is ideal for SOHO implementation.
SDA-4S/VL Type II: Provides VLANs between ports and the ProST, ensuring privacy
between LAN users of the different ports. For example, all users connected to Port 1 do not
"see" users connected to Port 2. This model is ideal for multi-tenant (VLAN security)
implementation.
SDA-4S/DC Type II: integrated LAN switch, providing power and four 10/100BaseT
interfaces and especially designed for implementation where available power supply is DC
(10 to 52 VDC), e.g. from a solar panel. This model provides regulated –48 VDC power to
the BSR.
All SDA types work in VLAN Pass-through mode. Tagged and Untagged packets are forwarded
transparently by the SDA. The SDA has no VLAN ID configuration per port.
ProST can be managed by Airspan's Web-based management system using standard Web browsers
or alternatively, by an SNMP-based network management system (Netspan) using standard and
proprietary MIBs. In addition, external third-party management systems such as HP OpenView can
also manage the ProST using these MIBs.
Summary of Contents for ProST
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