Doc.: IEEE 802.11-11/0726r2 Submission May 2011 Mediatek, HTCSlide 1 Data Rate Requirement Of WiFi Offloading in TGah Date: 2011-05-10 Authors:

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Presentation transcript:

doc.: IEEE /0726r2 Submission May 2011 Mediatek, HTCSlide 1 Data Rate Requirement Of WiFi Offloading in TGah Date: Authors:

doc.: IEEE /0726r2 Submission WiFi Offloading May 2011 Mediatek, HTCSlide 2 3GPP Consider WiFi Offloading a User Feature [1],[2],[3],[4],[5] –Standardization of 3GPP system to WLAN interworking also started since Rel-6 –Starting from Rel-8, the development of 3GPP Evolved Packet System (EPS) also considers interactions with non-3GPP access networks including WiFi network TGah User case Category 3 [6] –Current (a, g, n, ac) WLAN have short coverage and mostly used in indoor environment –TGah has large coverage (~1km), can be used for mobile traffic offloading in outdoor environment

doc.: IEEE /0726r2 Submission Data Rate of Cellular Networks May 2011 Mediatek, HTCSlide 3 StandardFamilyDownlink (Mbit/s)Uplink (Mbit/s) WiMAX (20MHz)56 (20MHz) LTEUMTS/4G100 (20MHz)50 (20 MHz) UMTSUMTS W-CDMA HSDPA+HSUPA HSPA+ HSDPAHSUPA HSPA+ UMTS/3G UMTS-TDDUMTS/3G16 EV-DOEV-DO 1x Rev. 0 EV-DO 1x Rev.A EV-DO Rev.B CDMA xN xN EDGE EvolutionGSM Data rate increases significantly in the newer standards

doc.: IEEE /0726r2 Submission Increase Data Rate Requirement for User Category 3 May 2011 Mediatek, HTCSlide 4  Requirements given in [6]:  Data rate (Aggregate BSS PHY rate):20 Mbps  Mobility: Pedestrian  STA/AP capacity: STA: 50, AP: 1  Peak data rate should be increased in order to be comparable to the next generation cellular system  For a 5MHz channels, MIMO transmission can be an optional mode to increase aggregate BSS data rate.  2x2 MIMO, 64 QAM, 5/6 code can achieve 35Mbps phy rate  4x4 MIMO, 64 QAM, 5/6 code can achieve 70Mbps phy rate

doc.: IEEE /0726r2 Submission Reference [1] GAN (Generic Access Network, TS etc.) [2] EGAN (Enhanced GAN, TR etc.) [3] IP Flow Mobility and Seamless WLAN Offload (TS etc.) [4] I-WLAN (Interworking Wireless LAN, TS etc.) [5] Support of non-trusted non-3GPP access network in EPS (TS etc.) [6] “Potential Compromise for ah Use Case Document”, Rolf de Vegt, Qualcomm May 2011 Mediatek, HTCSlide 5