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Table Of Contents 1.0 INTRODUCTION..................................................................................................................................... 3 2.0 1XEV AIRLINK DESIGN ....................................................................................................................... 4 2.1 AVERAGE DATA THROUGHPUT............................................................................................................. 5 2.2 TURBO CODES........................................................................................................................................ 5 2.3 1XEV FORWARD LINK........................................................................................................................... 6 2.3.1 Shared Forward Link Channel.......................................................................................................... 6 2.3.2 Forward Link Channel Structure ...................................................................................................... 8 2.3.2.1 Burst Pilot..................................................................................................................................... 9 2.3.3 Forward Link Adaptive Modulation ............................................................................................... 10 2.4 FIELD TESTING..................................................................................................................................... 12 2.5 SCHEDULING ALGORITHM .................................................................................................................. 12 2.5.1 Proportional Fairness Scheduling .................................................................................................. 13 2.6 1XEV REVERSE LINK ............................................................................................................................ 16 2.6.1 Reverse Link Channel Structure...................................................................................................... 17 2.6.2 Reverse Link Modulation ................................................................................................................ 18 2.7 1XEV SIGNALING ................................................................................................................................ 18 2.7.1 Physical Layer ................................................................................................................................ 19 2.7.2 MAC Layer .................................................................................................................................... 19 2.7.3 Security Layer ................................................................................................................................ 20 2.7.4 Connection Layer ............................................................................................................................ 21 2.7.5 Session Layer.................................................................................................................................. 22 2.7.6 Stream Layer .................................................................................................................................. 23 2.7.7 Application Layer........................................................................................................................... 23 3.0 POINT-TO-POINT PROTOCOL .......................................................................................................... 24 4.0 1XEV HANDOFFS ................................................................................................................................. 25 4.1 Handoffs to IS-95/1x Systems............................................................................................................ 25 5.0 SUMMARY............................................................................................................................................. 26 2 [ Last edited by ccjjhh on 2009-3-25 at 08:36 ] |
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2楼2009-03-23 22:28:57
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