Extricom EXRE-10, User Manual

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Multi-Layer WLAN
Using multiple radio Access Points, a single set of APs enables deployment of multiple high-
data-rate channel blankets with overlapping coverage, resulting in multiplied aggregate
capacity. Separate channel blankets also offer the unique ability to guarantee Quality of Service
by physically segregating different user types, traffic, and roles onto different channels.
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Same band operation
The Extricom WLAN system enables two WLAN channels, in the same band (e.g. Channel 1
and 6 in 2.4 GHz), to be simultaneously used within the same AP, to form overlapping channel
blankets using the same physical set of APs.
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TrueReuse bandwidth
TrueReuse technology multiplies the bandwidth of a standard 802.11 channel by dynamically
optimizing the reuse of each frequency. Within a channel blanket, up to three APs are permitted
to simultaneously transmit on the same channel, when the TrueReuse algorithm determines that
they can do this without causing each other co-channel interference.
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Zero-latency mobility
In an Extricom WLAN, wireless device remains on the same channel everywhere within the
channel blanket. Inter-AP handoffs delays or packet loss do not occur as the client moves across
the range of different APs.
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WiFi collaboration
Extricom’s patented WiFi Collaboration technology in which all APs are able to receive on the
same channel, provides uplink path diversity for client transmissions, making the system highly
resistant to RF instabilities and outside interference.
z Dense AP deployment
In an Extricom WLAN, APs can be deployed in any density convenient to the enterprise, to
achieve both blanket coverage and a guaranteed communications rate to all users. In fact, while
cell-based
solutions shy away from dense deployments because of their inherent RF obstacles,
Extricom’s system performance actually increases with AP density .
z Wire-line quality VoWLAN
Extricom’s Interference-Free architecture is perfectly suited for VoWLAN providing
zero-latency mobility, voice and data separation, reduced power consumption, and high RF
resiliency, all together resulting in superior voice performance.
z IEEE 802.11i support
Extricom’s products support WEP-64, WEP-128, WPA-TKIP, WPA2-AES (CCMP)
encryption. The authentication modes supported include: RADIUS (802.1x) and WPA
Pre-Shared Key (PSK).
z Power save
Full power conservation management is enabled for associated mobile devices over unicast,
multicast, and broadcast frames. For multicast and broadcast frames, the DTIM (Delivery
Traffic Indicator Message) period is configurable.
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Centralized configuration
New switches are added to the network via a single Web interface either manually by the user,
or automatically using an Extricom protocol.
The Extricom WLAN System User Guide 5