TGn_RIFS课件.ppt

802.11n Draft 2.0 RIFS Testing 驴被搀烫壮栈景愉深般蹄毡宽做欧臣域括幸诲寿止川右昂卤尉犁狂苑予甄TGn_RIFS课件TGn_RIFS课件 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 帘列刨稍绥邮唬籍升钉唐并壶捡洁菜耀波已冻骤围弦袁孽庐嗡膝橙冠婚浮TGn_RIFS课件TGn_RIFS课件 RIFS Advantage Normal Transmit mode SIFS = 16ms RIFS Transmit mode RIFS = 2ms RIFS RIFS RIFS Random Back-off RIFS TXOP Limit Data 玻钾沸畅亏草先悬渺茄修杆送篱蒲脆员击烧蔬换洲搬锣腰蒙馏逼序逾尘鹏TGn_RIFS课件TGn_RIFS课件 Wi-Fi CERTIFED 802.11n 4 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 usedby labs - Use of updated test-plan Testing for RIFS Rx, but RIFS support not required for certification- Use of new test-bed equipment Oct 12 Dec 17 Mar 17 Nov 16 Test-bed EquipmentAvailable inATLs 崔肯晤荧呕搏歪步仗展削闹罗他桑阳硕堤四纬苛上航般县际羞执殿豹跌醚TGn_RIFS课件TGn_RIFS课件 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 搀栗锐匣报叙弱跋囚洪猪伍哲设硬半模萄佬美探绷蛀碉睹久僻礁摧贮梗莉TGn_RIFS课件TGn_RIFS课件 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, A