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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
6 Q/ n8 l4 U8 O 1) Complete transceiver design of wireless communication at 5 GHz.
* _* i; P2 C5 N' c2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
; E5 d5 _0 }% z different country spectrum requirements.
I3 l' W, O! A( S4 g9 r4 b2 v# S3) Dynamic frequency selection to resist interferences.
8 I! F u# q% C/ P& [' ~4) Close-loop power control to minimize power consumption and be a friendly neighbor to
9 m f* {/ H2 O1 v. `/ [ other WLAN networks at 5 GHz.
; n7 z% _5 M* I* K( u7 ?! }5) Secure networking to assure privacy and content rights protection.
, L$ p. p/ z8 M; L' e* O6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
' R# |5 l8 Q) K5 z. c3 J H.264 and VC-1 (WM-9).
) n' U( Z& V! p7 G. i 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
8 L4 Q. `' H( n! ^! Q" \' Tbroadcasting.
1 B# X- H1 [9 A! ^) U7 T8) Configurable expansion I/O connector enabling easy integration with existing host
7 j1 a/ m& f& C N) j! a# \! H$ \4 L systems.
( X1 L9 d, g: J/ S5 x 9) HCI interface to the host CPU to enable flexible application development at the host level.
* A; d1 l, l! f5 Z3 f5 b; c 10) Transmission of IR control signals to the video source devices from the TV location.
6 R+ \( R' ~- O) ]& {; }6 G 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
9 D, Y7 t; D! P5 c& w5 K4 C: b1 D Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
# B9 M$ N" D) e+ \/ w( ^+ F* W/ Q: \! v WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
, h, E1 n9 M, t! G different country spectrum requirements.
The system support data rates from 6 Mbps to 60 Mbps.
The system supports video bit rates from 3 Mbps to 45 Mbps.
Proprietary radio resource control with dynamic frequency selection (DFS) and close-loop
. z. A. v( c" c5 ^) }# b8 V power control (CLPC).
Overall video propagation delay of less than 30 ms.
Receive sensitivity is –86 dBm for video rate of 6 Mbps, and –78 dBm for video rate of 20
$ g' ~9 b ?: ?- eMbps.
6 n5 D; c7 U H) ~" V3 System Security
* H! K, q; s( Y9 S! _* r6 w$ J7 [The communication is authenticated and the media stream is encrypted to assure for
4 U- O0 c: M) f protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
. z9 u9 N2 T \4 d0 }; x* D1 J/ e: h ensures private communications between each pair of units. This also allow for coexistence of
# v" l5 U* M, p- n# ?7 Jmultiple pairs of simultaneous operations without cross talk.
1 }+ c2 J$ ]7 \) R. R9 j0 D+ h5 u __________________________________________________________________________
0 d8 T0 o o' a* LGaffer_tam@163.com
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