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IEEE 802.11n is an amendment to IEEE 802.11-2007 as amended by IEEE 802.11k-2008, IEEE 802.11r-2008, IEEE 802.11y-2008, and IEEE 802.11w-2009, and builds on previous 802.11 standards by adding a multiple-input multiple-output (MIMO) system and 40 MHz channels to the PHY (physical layer) and frame aggregation to the MAC layer.
Both groups agreed that the 802.11n standard would be based on MIMO-OFDM with 20 MHz and 40 MHz channel options. [19] TGn Sync, WWiSE, and a third proposal (MITMOT, backed by Motorola and Mitsubishi) were merged to create what was called the Joint Proposal. [20] In 2004, Airgo became the first company to ship MIMO-OFDM products. [21]
802.11-1997 was the first wireless networking standard in the family, but 802.11b was the first widely accepted one, followed by 802.11a, 802.11g, 802.11n, 802.11ac, and 802.11ax. Other standards in the family (c–f, h, j) are service amendments that are used to extend the current scope of the existing standard, which amendments may also ...
PCTEL Showcases Next Generation MIMO Panel Antenna for High Capacity Stadium Deployments Directional MIMO Antenna for 802.11n Cellular Data Offloading Networks ORLANDO, Fla.--(BUSINESS WIRE ...
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 ...
802.16-2009: WirelessMAN: MIMO-SOFDMA: 83 (20 MHz TDD) 141 (2x20 MHz FDD) 46 (20 MHz TDD) 138 (2x20 MHz FDD) With 2x2 MIMO.Enhanced with 20 MHz channels in 802.16-2009 [2] WiMAX rel 2.0: 802.16m: WirelessMAN: MIMO-SOFDMA: 2x2 MIMO 110 (20 MHz TDD) 183 (2x20 MHz FDD) 4x4 MIMO 219 (20 MHz TDD) 365 (2x20 MHz FDD) 2x2 MIMO 70 (20 MHz TDD) 188 (2x20 ...
MIMO streams Modulation Approx. range Indoor ... 802.11n October 2009 2.4, 5 20 ... 802.11me September 2024
IEEE 802.11be, dubbed Extremely High Throughput (EHT), is a wireless networking standard in the IEEE 802.11 set of protocols [9] [10] which is designated Wi-Fi 7 by the Wi-Fi Alliance. [ 11 ] [ 12 ] [ 13 ] It has built upon 802.11ax , focusing on WLAN indoor and outdoor operation with stationary and pedestrian speeds in the 2.4, 5, and 6 GHz ...