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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
! g2 p* Z3 `' Z( o1 }6 N/ P 1) Complete transceiver design of wireless communication at 5 GHz.
- f. `( k8 \( U 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
m2 j z. k! ~* c6 J U% Jdifferent country spectrum requirements.
; b' m5 z; i+ y7 G# _7 } 3) Dynamic frequency selection to resist interferences.
9 k+ G9 J( a4 ~& O! }3 u; { 4) Close-loop power control to minimize power consumption and be a friendly neighbor to
% T4 T' H( b: C \# Mother WLAN networks at 5 GHz.
% X. ~% }$ f9 W! d8 y 5) Secure networking to assure privacy and content rights protection.
4 f; j, m; |5 g: j3 _, L 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
z" @& x% r! Q/ Z, `0 _8 R H.264 and VC-1 (WM-9).
/ k& [1 e2 Z* }2 Z 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
% t8 Q6 k8 |9 T: G+ nbroadcasting.
0 [( e/ C" F6 C6 j& z8) Configurable expansion I/O connector enabling easy integration with existing host
5 u6 w0 U0 y' u! D K systems.
+ s1 g4 _2 j! M 9) HCI interface to the host CPU to enable flexible application development at the host level.
5 r8 F8 O3 G! g2 Q10) Transmission of IR control signals to the video source devices from the TV location.
$ T2 I: D6 \ R2 o4 c, [ 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
5 x! C( l2 h0 l5 s7 x" ]: X. _& x( R; EParallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
% B; B, A( T4 D7 A2 _ WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
4 h8 f: e4 a$ Z+ Z/ Qdifferent 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
; [5 W9 C) f0 N% \+ a 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
|* Y$ F0 F8 K- T2 Z4 Z* {: aMbps.
1 \8 o, ~* A) m( o3 System Security
4 `1 Q& \" e( [% b8 k The communication is authenticated and the media stream is encrypted to assure for
3 ?# D1 ?( s) d ]4 |0 y, T Iprotection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
8 ~+ H" N; l; ~: ~; V( G8 q8 bensures private communications between each pair of units. This also allow for coexistence of
8 |5 U! j! N, @0 W+ q, u% I% n/ b multiple pairs of simultaneous operations without cross talk.
: q5 ]* l5 Y2 i. q# ]$ ]' s) N__________________________________________________________________________
! j, a- L" q4 [1 }2 oGaffer_tam@163.com
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