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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
( y& Y6 G/ l: A' }1) Complete transceiver design of wireless communication at 5 GHz.
, d' Z. u1 @2 F. _ 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
1 h. ~6 N0 n' i9 \; E9 Fdifferent country spectrum requirements.
6 `1 p3 v' l3 m1 o3) Dynamic frequency selection to resist interferences.
7 o& k9 n# X! ^: V( n/ {4) Close-loop power control to minimize power consumption and be a friendly neighbor to
; W5 z, \; ^4 @ other WLAN networks at 5 GHz.
9 b# ?+ f9 v0 n3 W2 i6 ` 5) Secure networking to assure privacy and content rights protection.
5 n5 a6 R' B2 p- W" {1 k5 s L 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
2 D: \& R2 i! }5 R$ ]: @ k H.264 and VC-1 (WM-9).
' v0 g6 R3 S" S; U 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
% ?" _7 H: y6 }$ x% h+ t broadcasting.
9 \) o9 G6 T8 g% E) j6 k8) Configurable expansion I/O connector enabling easy integration with existing host
% h/ I: c7 K, M; R fsystems.
! `- k5 o; b h. @& u5 l! e" ?9) HCI interface to the host CPU to enable flexible application development at the host level.
" J5 z: M ^; s. d8 _$ g10) Transmission of IR control signals to the video source devices from the TV location.
& k" U. k- S% ?; |+ K 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
' a; \. D) S+ T* Q& U1 ?Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
, r( E) m2 n+ \: VWiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
+ ] K9 x9 z+ _1 N5 f5 _7 W 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
% l) z; w# U* m- r! V! t, C" T! Rpower 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
; k! b' O. W5 j! C& I1 S. S! i Mbps.
( v6 h4 t3 i7 p$ t3 System Security
6 j& Y* \# s! j6 H- G* V) L" J The communication is authenticated and the media stream is encrypted to assure for
( @" O9 R, ?' N4 T k% H7 g protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
+ N+ I+ f! R( Y8 r+ v* s, Iensures private communications between each pair of units. This also allow for coexistence of
8 q3 G p( ~; W& U) c+ x multiple pairs of simultaneous operations without cross talk.
$ T8 ^, `! l5 K+ o6 I__________________________________________________________________________
5 d4 _; Z5 B. |( j Gaffer_tam@163.com
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