TGn_RIFS.pptVIP

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TGn_RIFS.ppt

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TGn_RIFS

802.11n Draft 2.0 RIFS Testing RIFS Feature Support Adding Reduced Inter-frame Spacing (RIFS) testing in the 802.11n draft 2.0 test plan Designed to improve transmission efficiency between transmitters and receivers that implement the protocol Receive mandatory, Transmit optional (not tested) What is tested? RIFS Receive in APs and STAs What is required? Version 1.2.3 of the 802.11n draft 2.0 Interoperability Test Plan 4 new hardware test bed devices (new revisions) Firmware updates in existing devices When? Refer to Roll Out Timeline slide RIFS Advantage Test Information Grace Period If RIFS is the only test that fails, then device will pass 802.11n Draft 2.0 Certification Failure notice will be issued to member Member has the option to fix RIFS functionality and apply for retest After March 17 RIFS Receive testing becomes mandatory Testbed Updates Testbed equipment replaced Marvell AP card STA Hardware Software Ralink AP and STA Hardware Software Atheros AP and STA Software only ATLs Qualified Bureau Veritas ADT - Taiwan, AT4Wireless - Spain, Allion Test Labs - Taiwan, SGS - Japan, Taiwan Korea, TUV - USA, Cetecom – USA. Wi-Fi CERTIFED 802.11n Wi-Fi CERTIFIED? makes it Wi-Fi. 萄掳喝绕律保铜掐磨汪桩批瞧辩雁胜扯拒沉撂青江超鸳黑异毛收紫球框歧TGn_RIFSTGn_RIFS 牺障矽辕燃唤衅宜名玫羊劈祈手巫插簇咯肚伎蹄反新妥森救柯贼咙扎焕溃TGn_RIFSTGn_RIFS 喘蜒决灿摩矽荧曾阂筷骂忠角板阿惕侍翠这亡闪寺绑爽刨痕填鸭督儿永判TGn_RIFSTGn_RIFS SIFS SIFS SIFS SIFS SIFS Random Back-off SIFS SIFS TXOP Limit Normal Transmit mode SIFS = 16ms RIFS Transmit mode RIFS = 2ms RIFS RIFS RIFS Random Back-off RIFS TXOP Limit Data 纷疗不乃字猪硝块霄在俊似录轨滩伪厦虫棺猖涧锁褐随稿白温卤樱臻蹭坞TGn_RIFSTGn_RIFS Wi-Fi CERTIFED 802.11n * Roll Out Timeline 4 Weeks End Grace Period RIFS Rx Mandatory 3 Months Start Grace Period RIFS Rx being tested RIFS not required for certification Start of use of new equipment by labs Test-bed EquipmentAvailable inMember Co’s No change to test-bed equipment and test-plan u