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Smart antennas (also known as adaptive array antennas, digital antenna arrays, multiple antennas and, recently, MIMO) are antenna arrays with smart signal processing algorithms used to identify spatial signal signatures such as the direction of arrival (DOA) of the signal, and use them to calculate beamforming vectors which are used to track and locate the antenna beam on the mobile/target.
Multiple-input, multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) is the dominant air interface for 4G and 5G broadband wireless communications. It combines multiple-input, multiple-output technology, which multiplies capacity by transmitting different signals over multiple antennas, and orthogonal frequency-division multiplexing (OFDM), which divides a radio channel into ...
The Mimo UM series USB monitors have been on our radar for a while now, so we were excited to get our hands on one and put it through the paces. The company sent us the base model UM-710, which ...
[1] [2] MIMO has become an essential element of wireless communication standards including IEEE 802.11n (Wi-Fi 4), IEEE 802.11ac (Wi-Fi 5), HSPA+ (3G), WiMAX, and Long Term Evolution (LTE). More recently, MIMO has been applied to power-line communication for three-wire installations as part of the ITU G.hn standard and of the HomePlug AV2 ...
If you got all excited about the upcoming MIMO 710-S, Nanovision's slinky refresh of its earlier UM-710, but then felt like someone took the wind out of your proverbial sails when you learned it ...
While MIMO has become an essential element of wireless communication standards, including IEEE 802.11n (Wi-Fi), IEEE 802.11ac (Wi-Fi), HSPA+ (3G), WiMAX (4G), and Long-Term Evolution (4G), many wireless devices cannot support multiple antennas due to size, cost, and/or hardware limitations. More importantly, the separation between antennas on a ...
The 802.11ac wireless LAN standard was proposed to deliver speeds of 1 Gbit/s and faster. Development of the specification began in 2011 and is expected to be completed by 2014. 802.11ac uses the 5 GHz band, defines channels up to 160 MHz wide, supports up to 8 simultaneous MIMO data streams, and delivers raw data rates up to nearly 7 Gbit/s. [81]
Plus, I'll reveal the answers further down. Related: The 26 Funniest NYT Connections Game Memes You'll Appreciate if You Do This Daily Word Puzzle Hints About Today's NYT Connections Categories on ...