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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
( z( y! Q7 T: Q, V6 ]1) Complete transceiver design of wireless communication at 5 GHz.
# F5 o/ Z& H( W6 y, v! t2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
9 P' I: L. G: |" m. y- `different country spectrum requirements.
, R% ^6 E8 V8 \/ E. `& }3) Dynamic frequency selection to resist interferences.
- \. B3 b# d+ j4) Close-loop power control to minimize power consumption and be a friendly neighbor to
( Q5 W9 U. p1 k, t" r' ^# V$ i other WLAN networks at 5 GHz.
* i- y1 b7 w5 j$ A- | 5) Secure networking to assure privacy and content rights protection.
% r5 d. G* A* E3 k% }) _" ~ 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
! X9 ~1 z0 j; x% `' r H.264 and VC-1 (WM-9).
1 s# U+ y. b) t7 [/ u: r, b 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
3 z6 {6 n( F& u) O. v D }1 o broadcasting.
+ A7 `6 [3 @" P8) Configurable expansion I/O connector enabling easy integration with existing host
0 c7 @9 V) L6 ^8 E systems.
* o( ~5 m$ [4 ^9) HCI interface to the host CPU to enable flexible application development at the host level.
$ n" L1 u- z8 c+ y9 P 10) Transmission of IR control signals to the video source devices from the TV location.
- n: h# I% s* h6 `0 X1 L 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
' ~. ]4 r# Y0 ^. k; p3 j+ WParallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
0 Y1 Z0 L; y+ {- U+ {" ^ WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
- ?; P8 y% _1 T. ~: { 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
: m Q2 v: G8 B# e4 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
) w# r8 P, @0 ?$ T8 }/ e Mbps.
# o8 M0 ]2 `- C8 r+ v3 System Security
1 C6 ^# Y. v& l) ^0 Y The communication is authenticated and the media stream is encrypted to assure for
6 \7 | h+ H6 e j: T. f- x r { protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
, V7 u$ Q8 h0 O" q/ B ensures private communications between each pair of units. This also allow for coexistence of
( b; z6 X/ {2 N9 _( `+ Jmultiple pairs of simultaneous operations without cross talk.
( D7 i( D% t+ y3 W9 Q" H __________________________________________________________________________
# s1 j/ X* Z7 M. i% Q Gaffer_tam@163.com
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