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无线监控的福音——5G 无线数字传输模块介绍

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安防幼儿园学生

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发表于 2007-2-9 18:07:46 | 显示全部楼层 |阅读模式
1. Key Features
1 Y' S+ E* }- b4 B1) Complete transceiver design of wireless communication at 5 GHz.
- c+ b! n4 Q b9 O9 ?8 N } 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
% P4 T {3 S* n1 sdifferent country spectrum requirements.
# C5 R& R1 {+ E0 y1 x4 B1 d+ z! Z 3) Dynamic frequency selection to resist interferences.
% Z0 ?/ ]/ p2 K- l- a6 r3 c4) Close-loop power control to minimize power consumption and be a friendly neighbor to
6 N% O0 J1 ^ `; u" ^ other WLAN networks at 5 GHz.
! @5 O# [* C) @ U8 ?5) Secure networking to assure privacy and content rights protection.
$ ]# [/ ?2 p/ l9 o# u6 w8 Y" k 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
. ]" K! G* Q$ s6 n3 M, y) S, p; i H.264 and VC-1 (WM-9).
$ s8 v* C, l7 R# [ 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
" d: {0 ]% i8 C' W- L. t8 Zbroadcasting.
2 m) k- C2 a( s+ }5 b, c( |8) Configurable expansion I/O connector enabling easy integration with existing host
) \7 ]7 v% U5 [0 I4 ^ systems.
) G8 q; i1 U: d' r 9) HCI interface to the host CPU to enable flexible application development at the host level.
. l- W* G4 d0 Q) E& N1 @10) Transmission of IR control signals to the video source devices from the TV location.
# ?( l& p% p! k, ^/ k 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
' H& N" B' X) X X' [* h& o+ U Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
8 u% J3 [- f+ H! R WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
7 l& Z( [+ P1 u% v7 a different country spectrum requirements.
The system support data rates from 6 Mbps to 60 Mbps.
The system supports video bit rates from 3 Mbps to 45 Mbps.
Proprietary radio resource control with dynamic frequency selection (DFS) and close-loop
8 U7 D+ X& w$ q8 g' F" c$ i power control (CLPC).
Overall video propagation delay of less than 30 ms.
Receive sensitivity is –86 dBm for video rate of 6 Mbps, and –78 dBm for video rate of 20
1 d- n2 u/ q; a: `+ W8 ?% {* G Mbps.
0 b8 p0 G( M* s, n7 O 3 System Security
8 z) F+ m+ o. C: y" _. \4 j1 M+ Y The communication is authenticated and the media stream is encrypted to assure for
" R) F- q+ i3 ~* lprotection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
% A$ n1 I; b. M$ R1 Mensures private communications between each pair of units. This also allow for coexistence of
$ F- l8 m9 }' c, k- q5 Y. O multiple pairs of simultaneous operations without cross talk.
, x1 X6 J& s& Z% y# I3 H __________________________________________________________________________
' B: U" d( n" F; z6 H Gaffer_tam@163.com
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