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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
5 W# Z. O1 k0 f/ K; s$ h. b2 ?1) Complete transceiver design of wireless communication at 5 GHz.
: p! q( Z' F, l* T3 W7 j2 g5 c 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
- A" k* _9 ~6 U, ~( e3 T6 |' ` different country spectrum requirements.
# u3 b- ^& K! N' @! {3) Dynamic frequency selection to resist interferences.
; e" o# g# x; r& n' j" h9 v4) Close-loop power control to minimize power consumption and be a friendly neighbor to
$ `- H, j U& k' B2 M( _other WLAN networks at 5 GHz.
6 b& a8 X: G5 E4 t5) Secure networking to assure privacy and content rights protection.
) B, v# l6 c, X4 k 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
6 G" [% L+ i# S- q( x& \ H.264 and VC-1 (WM-9).
; r: x% j# J: D" w. f/ x4 f9 a5 M 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
* f. [ {9 M' Ybroadcasting.
8 `9 a7 F+ K4 [( X8) Configurable expansion I/O connector enabling easy integration with existing host
0 G# }! S+ _6 H# N3 n5 q6 I- \) p systems.
* T$ h# x ]% u- r2 M 9) HCI interface to the host CPU to enable flexible application development at the host level.
- Z' \) `5 H% [+ J2 T) } 10) Transmission of IR control signals to the video source devices from the TV location.
1 ^5 b# n* p w# l 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
5 R' Y8 F1 t2 u3 j+ D* K5 H! q Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
# P& J& I' y5 C. ^5 O+ F WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
) z; E( o0 c7 q1 ~5 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
. R& Q& l" g% N# @& m% Tpower 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
, ^) h% D4 r6 ]. V% n Mbps.
3 \- J j9 ?2 F- M4 q3 System Security
" q) l. H' }- w8 }3 @: q! RThe communication is authenticated and the media stream is encrypted to assure for
- G5 [5 t. G$ d! { protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
8 i# H2 k- |/ N' w ensures private communications between each pair of units. This also allow for coexistence of
U+ Q" t) Q' O multiple pairs of simultaneous operations without cross talk.
( C# l8 O9 Y0 W! I. Q__________________________________________________________________________
; [7 [" x7 e: E; j2 L Gaffer_tam@163.com
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