OFDM (orthogonal frequency-division multiplexing) is a modulation technique used for high-speed 802.11a, 802.11g, 802.16 and WiMAX wireless communications. It works by splitting radio signals into sma [..]

DSSS (direct-sequence spread spectrum) is a modulation technology used in wireless network transmissions. DSSS is used as a kind of radio transmission that distributes the signal over many frequencies [..]

ESSID (Extended Service Set Identifier) is a unique identifier which is attached to the header of packets sent over a WLAN. The ESSID differentiates one WLAN from another, so all access points and all [..]

Multihomed is typically used to describe a device connected to two or more networks. Essentially, Cable/DSL modems and NAT routers are multi-homed, because they have an external and an internal IP add [..]

PSTN (Public Switched Telephone Network) refers to the international telephone system based on copper wires carrying analog voice data. Originally a network of fixed-line analog telephone systems, the [..]

QAM (Quadrature Amplitude Modulation) is a modulation technique in which there are 16 possible four-bit patterns, determined by the combination of phase and amplitude.

TR-069 (Technical Report 069) is a Broadband Forum technical specification entitled "CPE WAN Management Protocol" (CWMP). It defines an application layer protocol for remote management of en [..]

UTM (Unified Threat Management) is a newer type of network security appliance, considered an evolution of the traditional firewall into an all-inclusive security product able to perform multiple secur [..]

WMM (Wi-Fi Multimedia, formerly known as Wireless Multimedia Extensions - WME), is a Wi-Fi Alliance certified feature based on the IEEE 802.11e standard. This feature provides QoS to wireless networks [..]

WPS (Wi-Fi Protected Setup) is a wireless security standard that provides non-technical users with a simple method of securing their wireless network. The most common implementation includes pushing a [..]