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Doc: IEEE 802.11 - 99/257 Submission November 1999 PAGE 1 CHRIS ZEGELIN, Symbol Technologies Inc. INTERNATIONAL ROAMING A SIMPLE APPROACH FOR WORLD WIDE.

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Presentation on theme: "Doc: IEEE 802.11 - 99/257 Submission November 1999 PAGE 1 CHRIS ZEGELIN, Symbol Technologies Inc. INTERNATIONAL ROAMING A SIMPLE APPROACH FOR WORLD WIDE."— Presentation transcript:

1 doc: IEEE 802.11 - 99/257 Submission November 1999 PAGE 1 CHRIS ZEGELIN, Symbol Technologies Inc. INTERNATIONAL ROAMING A SIMPLE APPROACH FOR WORLD WIDE DEPLOYMENT

2 CHRIS ZEGELIN, Symbol Technologies Inc.submission doc: IEEE 802.11 99/257November 1999 PAGE 2 WHAT IS REQUIRED l MUST MEET REGULATORY REQIREMENTS. u WILL GET HELP FROM INDUSTRIES TO BRING SOME COUNTRIES IN LINE l DESIRABLE NOT TO REV THE MAC u KEEP IT SIMPLE l APPLICABLE FOR ALL PHY’S u THE CURRENT MAC HAS SOME PHY SPECIFIC MANAGEMENT ENTITIES l APPLICABLE FOR IBSS u BUT BE CAREFULL

3 CHRIS ZEGELIN, Symbol Technologies Inc.submission doc: IEEE 802.11 99/257November 1999 PAGE 3 HOW IT WORKS l ACCESS POINTS KEEP THE COUNTRY INFO u THEY MUST BE CONFIGURED l PASSIVE SCANNING USED ON MOBILE UNITS u CANNOT XMIT TILL A VALID CHANNEL IS KNOWN l NEW ELEMENTS IN PROBE / PROBE RESPONSE u PROBE FOR COUNTRY INFO u RESPOND WITH COUNTRY SPECIFIC INFO

4 CHRIS ZEGELIN, Symbol Technologies Inc.submission doc: IEEE 802.11 99/257November 1999 PAGE 4 CONFIGURATION l ONE STA (AP?) MUST BE CONFIGURED TO CORRECT COUNTRY. l A NEW MIB VARIABLE u THIS ENABLES INTERNATIONAL ROAMING u IF THIS VARIABLE IS SET, A STA WILL DROP BACK TO PASSIVE SCANNING IF IT LOSSES SYNC WITH IT’S CURRENT ESS. u APPLICABLE FOR WIRELESS AP’S

5 CHRIS ZEGELIN, Symbol Technologies Inc.submission doc: IEEE 802.11 99/257November 1999 PAGE 5 NEW ELEMENTS l IN PROBE u REQUESTS COUNTRY SPECIFIC INFO l IN PROBE RESPONSE u COUNTRY NAME STRING (NOT ABSOLUTELY REQUIRED, BUT GOOD FOR PROOF OF COMPLIANCE) u PHY SPECIFICDATA DS, CHANNEL #S FH, HOP CHARACTERISTICS

6 CHRIS ZEGELIN, Symbol Technologies Inc.submission doc: IEEE 802.11 99/257November 1999 PAGE 6 FH ELEMENT l FLAGS u 0 = 802.11, 1 = HOP DELTA l FIRST CHANNEL l NUMBER OF CHANNELS l TABLE - RANDOM TO INDEX TABLE u LENGTH = NUMBER OF CHANNELS u NOTE THAT HOP DELTA COUNTRIES DO NOT INCLUDE THIS TABLE

7 CHRIS ZEGELIN, Symbol Technologies Inc.submission doc: IEEE 802.11 99/257November 1999 PAGE 7 DS ELEMENT l FIRST CHANNEL l NUMBER OF CHANNELS

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