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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
# _$ c" q- ~6 [8 d- D/ L 1) Complete transceiver design of wireless communication at 5 GHz.
0 n/ P3 d' R2 c 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
* i& Q, A2 r$ V! }5 R" {different country spectrum requirements.
/ ^6 H3 y( t# \; v3) Dynamic frequency selection to resist interferences.
, P) \) S* V' s3 ^. n5 O' Z 4) Close-loop power control to minimize power consumption and be a friendly neighbor to
5 D* A) p+ g, b# G+ S% P other WLAN networks at 5 GHz.
( K$ `' |" }; G* m8 _8 e2 ~7 D* M' F) W5 g 5) Secure networking to assure privacy and content rights protection.
9 }! Q) `; y/ c. a 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
. s# Z3 }: H' D" e0 IH.264 and VC-1 (WM-9).
6 w' s7 ~/ d Z, s6 `9 V, K& Q7) Supports point-to-point video connection with full QoS and point-to-multipoint video
% J7 R4 }+ _ [* {$ W& j# ~ broadcasting.
/ i+ E" g& E9 x' C: Q6 G8) Configurable expansion I/O connector enabling easy integration with existing host
- U. |% i2 f6 T F/ t! z, G5 |. _systems.
/ d0 ~; c! L: E9) HCI interface to the host CPU to enable flexible application development at the host level.
: X" }& ~' I$ L 10) Transmission of IR control signals to the video source devices from the TV location.
0 B6 X/ V9 ^; t2 {) w9 W 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
! d6 d5 E" R( h3 R Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
6 V* U8 R9 T/ q7 n) @$ ^WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
9 ~) n% p* @# v X5 { 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
1 r4 w# P2 A0 y, ]/ M& ` 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
4 v) P2 S; r+ x" k+ g {* ~Mbps.
- \% Y2 _4 f; @6 k5 G6 E0 Q 3 System Security
C& L( e) T9 P" R4 qThe communication is authenticated and the media stream is encrypted to assure for
" _' p# H4 h( J) o8 n2 Y: ^ protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
2 c# M, ~5 G& B1 [ensures private communications between each pair of units. This also allow for coexistence of
$ f2 z- d* N! `* Qmultiple pairs of simultaneous operations without cross talk.
[4 ]9 P) D/ D) A& `__________________________________________________________________________
/ O1 ?7 x4 n* l* `1 k0 C+ nGaffer_tam@163.com
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