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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
& {$ F! e/ L# v2 D4 o" p$ ^ 1) Complete transceiver design of wireless communication at 5 GHz.
7 A" B8 N3 P' C# w 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
5 Q4 ~) [& U o0 f+ J5 q$ y different country spectrum requirements.
S( f2 ]* s8 A. {2 k+ y4 O 3) Dynamic frequency selection to resist interferences.
5 S2 g. o' `& o( k 4) Close-loop power control to minimize power consumption and be a friendly neighbor to
& J% m8 ^" q& S7 d( u" R) P' }other WLAN networks at 5 GHz.
- P* x2 e% J" q2 {' T 5) Secure networking to assure privacy and content rights protection.
" s. \; c2 s k2 V! F8 V3 S# m! A0 g 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
5 l2 [* {6 `- G% p, \' F. [* j H.264 and VC-1 (WM-9).
1 p% X' {: `! n' |8 V 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
' ^4 O: ?/ _8 I& O7 f/ [2 `broadcasting.
# H7 i4 t8 U9 g" S, U8) Configurable expansion I/O connector enabling easy integration with existing host
- L) ?( D) d! K0 U) V* _systems.
7 {& T& \/ |+ l 9) HCI interface to the host CPU to enable flexible application development at the host level.
/ M; g6 o) V( p" s9 |' R. r$ z10) Transmission of IR control signals to the video source devices from the TV location.
2 ?) i" j1 ?5 B0 _ 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
2 k/ D( ~' H% {% f0 x& {* hParallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
' m9 `. v3 k: }8 J WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
! y; z( } {1 |. P 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
3 K0 M& I; q; C, R5 ]) ?0 K% ^, spower 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
4 ~- R3 B) t l Mbps.
8 Y; y, l6 @8 K3 System Security
) D2 }7 U6 ]* r0 i# G. u" f The communication is authenticated and the media stream is encrypted to assure for
3 R: A& V2 Y0 @% Q t G# e$ v3 Xprotection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
4 A: d0 @2 `5 O ensures private communications between each pair of units. This also allow for coexistence of
% \( p* [8 k& q# T; h5 `/ R$ p multiple pairs of simultaneous operations without cross talk.
, L! q) m$ w. ^: l__________________________________________________________________________
# p8 q. I2 O2 _& p Gaffer_tam@163.com
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