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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
: a, l: _9 i& D) J( N1) Complete transceiver design of wireless communication at 5 GHz.
* Z9 f& Y( ]' @) A2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
# j3 M, r1 i- Q" N3 D% V7 w3 ~1 H/ mdifferent country spectrum requirements.
$ Z3 [2 g7 b+ R 3) Dynamic frequency selection to resist interferences.
2 w9 m& A9 M E% L/ b! y! s 4) Close-loop power control to minimize power consumption and be a friendly neighbor to
. d# x! m1 p0 o0 i8 F0 U# n+ kother WLAN networks at 5 GHz.
6 i9 Q& R7 \$ H# Z5) Secure networking to assure privacy and content rights protection.
. [ f% ]+ }# {) [4 K& B 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
5 Q/ d, I+ f! zH.264 and VC-1 (WM-9).
' q% y- \: U; u 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
6 f8 x, z, |3 h4 m9 Y1 s broadcasting.
4 w m! y$ q: C5 E. U- @8) Configurable expansion I/O connector enabling easy integration with existing host
$ n' n1 ~% O' m" G systems.
2 F& U! T% Z' T* G( O7 w& K: v+ K$ L 9) HCI interface to the host CPU to enable flexible application development at the host level.
; u+ E- L l+ n! S5 s10) Transmission of IR control signals to the video source devices from the TV location.
' n/ R% I g0 z( U1 N2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
, N. T2 Z8 a$ J- i2 h7 l Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
7 ^( N# r- J; O" Y% z9 CWiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
0 W& n0 d2 }$ t8 I! A" O" `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
% p9 G2 h4 C* ]& w9 v+ | 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
, T. p) F/ Q2 S: b jMbps.
$ |# r) b7 @1 `3 System Security
4 r# m! n% m( e4 {$ C# H( U The communication is authenticated and the media stream is encrypted to assure for
0 a+ Z$ c) p' f7 t4 w1 L protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
6 x/ u+ n" p' {7 E1 C7 F3 Y ensures private communications between each pair of units. This also allow for coexistence of
- V; ]/ u# R9 K* k/ i0 c+ w multiple pairs of simultaneous operations without cross talk.
) W1 h% q1 |% [5 S3 B __________________________________________________________________________
, c1 B: e# y. `, h Gaffer_tam@163.com
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