ETRI ETRI

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3 IEEE b WLAN chip set & AP/NIC Chip set : Intersil, AMD, OKI, RFMD/Cirrus Logic, AP/NIC : Proxim, Cisco Systems, 3COM, Intel, Agere Systems (using i own chip set), IEEE a WLAN chip set & AP/NIC Chip set : Atheros, Intersil, Bermai, AP/NIC : Intel, Sony, Proxim, SMC Networks, HIPERLAN/2 chip set & AP/NIC IEEE e/f/g/h/i WLAN chip set & AP/NIC g chip set: f AP: e/h/i chip set: ETRI

4 Inetrsil PRISM Access Point for 2.4GHz WLAN ETRI

5 Intersil PRISM 3.0 chip set for 2.4GHz WLAN RF transceiver with ZIF (Zero-IF) architecture ETRI

6 Intersil PRISM Indigo chip set for 5GHz WLAN ETRI

7 Intersil GT chip set for 2.4GHz WLAN RF transceiver with ZIF architecture Support IEEE b/g ETRI

8 Intersil Duette dual-band WLAN solution Dual-band (2.4GHz/5GHz) RF transceiver with ZIF architectur Support IEEE b/g and IEEE a standards ETRI

9 Atheros a Baseband and MAC Processor ETRI

10 Atheros AR5001A a WLAN Solution No CPU core in MAC processor 128Mbps Turbo mode (using 40MHz bandwidth) ETRI

11 Atheros AR5001AP WLAN Access Point Solution MAC processor with 32-bit MIPS core ETRI

Atheros AR5001X Combo WLAN Solution Support IEEE 802.11b, 802.

12 Atheros AR5001X Combo WLAN Solution Support IEEE b, a and the draft g standards 2.4GHz and 5GHz RF chips ETRI

13 Atheros AR5001X Combo WLAN Solution Atheros reference design ETRI

14 Bermai BER7211a 0.18µm CMOS technology Ultra integrated solution with reduced component count 72Mbps Speed Mode in a single channel Interface for external 2.4GHz radio ETRI

15 RF Transceiver Heterodyne ( ) Zero-IF 2.4GHz b 5GHz a 2.4/5GHz b/g/a 1 : RF front-end chips, RF Transceiver, BBP, MAC Processor 2 : RF front-end chips, RF Transceiver, integrated BBP/MAC Processor 3 : RF front-end chip(s), integrated RF/BBP/MAC Processor 4 : Single WLAN chip ETRI

16 IEEE b WLAN chip set & AP/NIC Chip set : AP/NIC : Samsung Electro-Mechanics, MMC Technology, Acrowave, IEEE a WLAN chip set & AP/NIC Chip set : ( ) AP/NIC : Intel, Sony, Proxim, SMC Networks, Samsung Electro-Mechanics, Acrowave, IEEE e/f/g/h/i WLAN chip set & AP/NIC f AP: 2003 (ETRI) e/g/h/i chip set: 2004 (ETRI) ETRI

17 -ETRI LAN IEEE a/b/e/f/g/h/i AP/NIC LAN IMT-2000 LAN LANIMT-2000 (AAA, MIP ) LAN LAN (IPR ) LAN (IPR, ) LAN ETRI

18 -ETRI LAN : IEEE a/f BBP, 5GHz RF, MAC Processor AP/NIC : IEEE a/b/e/f/g/h/i BBP/MAC, RF AP/NIC LAN IMT : LAN : IMT-2000 LAN : LAN : LAN ~ : LAN (IPR, ) ~ : LAN ETRI

19 -ETRI AP STA ETRI

20 -ETRI a BBP ETRI

21 -ETRI 5GHz RF Transceiver Compliant with IEEE a Standard Direct Conversion Architecture Rx/Tx Even-Harmonic Up/Down Converter Half RF Frequency LO Fully Differential Signal Path Integrates VCO & Frequency Synthesizer LPF with DC-offset Cancellation ESD Protection Transmit Power Control RSSI/Peak Level Detection Standard CMOS 0.18µm 1P6M Technology Low Power Supply, 1.8V Extremely Low Power Consumption Rx: 85 mw, Tx: 35 mw (w/o PA) ETRI

(Data, Ck, Enb) 3 bits Frequency Synthesizer (8 phase VCO) 8 8 RSSI ADC DAC BALUN I Buffer

22 -ETRI 5GHz RF Transceiver LNA EH_MIXER f = 10M RX VGA 2nd Rx LPF ADC BPF LNA BALUN I Buffer Q 1st Rx LPF I_CH Q_CH RX_VGA_CTRL PA Module MMIC PA X-tal CH_SEL BG Bias Circuit (Data, Ck, Enb) 3 bits Frequency Synthesizer (8 phase VCO) 8 8 RSSI ADC DAC BALUN I Buffer Q 2nd Tx LPF I_CH Q_CH TX_VGA_CTRL DAC PWR AMP DRIVER AMP EH MIXER f = 10M TX VGA 1st Tx LPF ETRI

23 -ETRI 2.4/5GHz RF Transceiver LNA balun LNA DN_MIXER 1st Rx LPF f=10m RX VGA 2nd Rx LPF Buf ADC LNA balun RX_VGA_CTRL PA X-tal CH_SEL balun 3 bits (Data, Ck, Enb) Frequency Synthesizer 0 90 BG Bias Circuit TX_VGA_CTRL Buf DAC PA balun f=10m DRIVER AMP DN MIXER 2nd Tx LPF TX VGA 1st Tx LPF ETRI

24 -ETRI LAN ETRI

25 -ETRI LAN Public Internet A B MS AP AAA f AAA h 802.1x RADIUS RADIUS Or Diameter EAP-MD5 ETRI

26 -ETRI LAN Mobile IP Public Internet A B HA AAA f Diameter AAA h Diameter Diameter MS AP FA MIP HA MIP ETRI

27 -ETRI LANIMT-2000 Internet R R HA FA AP FA AP AAA (DNS, DHCP) HA SGSN FA GGSN HLR AAA (DNS, DHCP) IMT-2000 RNC Node-B LAN IMT-2000 ETRI

28 LAN IEEE WG: 5 TGs, WNG SC and 2 SGs are ongoing TGe : MAC enhancements for Quality of Service TGf : Recommended practice for Inter Access Point Protocol (IAPP); nearly completed TGg : Standard for higher data rate (20+Mbps) extensions in the 2.4GHz band; nearly completed TGh : SMa-spectrum managed a (DFS & TPC); nearly completed TGi : MAC enhancements for enhanced security Wireless Next Generation Standing Committee (WNG SC) Radio Resource Management (RRM) SG High Throughput (HT) SG ETRI

29 LAN WNG SC Transition from 5 GSG to WLAN Next Generation (WNG) Standing Committee (SC) Mission Synthesize industry inputs for the next generation WLAN and recommend a global standard initiative The SC is a forum for extended discussion of new ideas ETRI

30 LAN WNG SC WNG SC incubated 2 Study Groups HT SG (High Throughput Study Group) RRM SG (Radio Resource Measurements Study Group) WNG SC is incubating a TG WNG SC prepared the draft PAR and Five Criteria requesting a TG be established to extend , a and d, as necessary, to the Japanese 4.9 GHz - 5 GHz band The draft PAR and Five Criteria were approved by IEEE WG at the Sept IEEE Interim ETRI

31 LAN WNG SC WIG (Wireless Interworking Group) Motion Approved in St. Louis (March 2002) Move that the WNG SC requests the WG to accept the invitation from ETSI-BRAN and MMAC to participate in the WLAN 3G and other Public Access networks interworking project Draft WIG scope To be an integral part in the production of a generically applicable inter working standard for WWAN and other public networks. The standard is to be applicable for IEEE family, MMAC HiSWAN family and ETSI HIPERLAN/2 To be the point of resolution for ETSI, IEEE and MMAC on issues relat ed to interworking with WWAN and other public networks To be the single point of contact for the above mentioned WLAN standa rds on questions related to interworking with WWAN and other public networks ETRI

32 LAN RRM SG (Radio Resource Measurements SG) To define and expose radio and network information to facilitate the management and maintenance of a wireless and mobile LAN To enable new applications based on this radio information, for example location-enabled services Initial RRM SG meeting : July 2002 Draft scope and purpose for Radio Resource Measurement (RRM) PAR Scope: To enhance the Media Access Control standard, the a High Speed Physical Layer in the 5 GHZ band and the b Higher-Speed Physical Layer Extension in the 2.4 GHz band supplemental standards, and other PHY approved supplemental standards to provide radio and network measurement reports across multiple vendors and to provide a measurement service to higher layers. Refer to Section 16 for additional explanation. Purpose: To define and expose the necessary radio and network measurement information to facilitate performance monitoring, performance enhancement and new applications. ETRI

33 LAN HTSG (High Throughput Study Group) To investigate the feasibility of providing providing throughputs greater than the existing standard Initial HT SG meeting : Sept Purpose summary (Why) a. To improve the wireless LAN user experience by providing higher throughput including applications in the Home, Hot-spot and Enterprise (65,1,1) b. Adrian s strawman To improve the wireless LAN user experience by providing significantly higher throughput for applications including but not limited to those in the Home, Hot-spots and Enterprise Markets (65,0,8) c. Replace Adrian s statement as follows - To improve the wireless LAN user experience by providing significantly higher throughput for current applications and to enable new applications and market segments (39,26,3) d. We must include timeline because it is part of the PAR ETRI

34 LAN HTSG technical avenues OFDM with higher number of sub-carriers and higher order QAM Adaptive modulation/coding Spatial multiplexing such as V-BLAST To increase the spectral efficiency Space-time(-frequency) coding techniques To improve the performance (or to increase the range) New FEC techniques Hybrid ARQ MAC efficiency improvement e.g., TDMA/TDD with backward compatibility Reducing overhead in the MAC will only be part of the story ETRI

35 Thank you for your attention!! ETRI

휴대용 기기 분야 가정용 영상 기기 분야 휴대 전화 USB, FireWire 등 PC PC TV DVD/Blu-ray 플레이어 게임 콘솔 휴대 전화 휴대전화, PMP 등 휴대용 기기 간 대용량 데이터 무선 전송 캠코더 Component, Display Port, DVI

휴대용 기기 분야 가정용 영상 기기 분야 휴대 전화 USB, FireWire 등 PC PC TV DVD/Blu-ray 플레이어 게임 콘솔 휴대 전화 휴대전화, PMP 등 휴대용 기기 간 대용량 데이터 무선 전송 캠코더 Component, Display Port, DVI 표준 기술동향 60GHz 주파수 대역 기반 밀리미터파 무선전송기술 표준화 동향 홍승은 ETRI 무선통신연구부 초고속무선통신연구팀 선임연구원 이우용 ETRI 무선통신연구부 초고속무선통신연구팀 팀장 정현규 ETRI 무선통신연구부 부장 1. 머리말 제공할 수 있다. 또한 저전력 구현을 통해 스마트폰과 같은 휴대용 장치에도 탑재되어 장치 간 대용량 무선 통신에 사용되는