무선랜 Wireless LAN, WLAN에 관한 프레젠테이션 자료
- 최초 등록일
- 2009.07.30
- 최종 저작일
- 2009.07
- 14페이지/
MS 파워포인트
- 가격 1,000원
소개글
14장의 슬라이드를 포함하는 무선랜에 관한 발표자료입니다.
영어로 작성하였고, 쉽게 작성하였습니다.
리포트 참고용도 좋고, 발표용으로도 좋습니다.
목차
표지(Wireless LANs)
1. Definition
2. History
3. Characteristics
4. Infrastructure VS Adhoc
5. BSS VS ESS
6. Standards
7. CSMA/CA
8. Frame format
9. Addresses
10. Hidden station problem
11. Use of handshaking
본문내용
1-1 Definition
WLAN is a wireless local area network that links two or more computers or devices using spread-spectrum or OFDM modulation technology based to enable communication between devices in a limited area
1-2 History
1940: Spread spectrum technology first used by the military
1980: Limited applications using narrowband technology
1989: FCC assigns frequency for commercial use.
ISM bands authorized (900 MHz, 2.4 GHz, 5 GHz)
1990: 900 MHz products begin shipping
IEEE begins work on industry standard
1994: 2.4 GHz products begin shipping
1997: IEEE 802.11 standard approved.
2.4 GHz products begin dominating the scene
참고 자료
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