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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
- U& Z) ^$ C3 L: b, a1) Complete transceiver design of wireless communication at 5 GHz.
' X3 A! V0 ?! N& h# \ W j 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
. I; h* A. `8 {; u a8 u different country spectrum requirements.
8 e7 V. b( E$ [6 _, s1 t 3) Dynamic frequency selection to resist interferences.
4 u z+ J( ^4 `. r1 Q 4) Close-loop power control to minimize power consumption and be a friendly neighbor to
/ q' F o/ n: q4 x9 p: tother WLAN networks at 5 GHz.
( E) X& [ O# M9 w/ k/ u: I% F 5) Secure networking to assure privacy and content rights protection.
3 |* M$ V8 W5 x8 B6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
' |. T6 [1 R) `# h3 E! c) {+ E% n+ V H.264 and VC-1 (WM-9).
& c0 k. q7 ~& F i' L' A4 v7) Supports point-to-point video connection with full QoS and point-to-multipoint video
7 M; ^2 S) {9 n- ]1 U* ubroadcasting.
$ U3 V0 K& p6 ^ 8) Configurable expansion I/O connector enabling easy integration with existing host
3 p1 X' H7 C+ E/ X$ j1 R7 G systems.
6 f& @4 ~" a. N$ H9) HCI interface to the host CPU to enable flexible application development at the host level.
" C" n! }1 r2 t10) Transmission of IR control signals to the video source devices from the TV location.
1 E+ [, Y0 d L* H2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
, T) K/ x- k( b/ q. o( ]# | Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
6 @/ a9 e2 `* P: r- c- k fWiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
( B9 L9 U# p" M, |$ S% e0 Mdifferent 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
# e: ^' w" j% [& l' \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' U8 {7 ~0 W Mbps.
0 U9 ^9 }! O9 R( u+ B6 Y- k* k' |3 System Security
5 B. s/ P) j- q The communication is authenticated and the media stream is encrypted to assure for
+ A4 o8 t( [6 G$ f4 x' kprotection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
0 Z4 I5 {2 g- S* x" {9 h ensures private communications between each pair of units. This also allow for coexistence of
0 ~) \3 M: L* O* t1 Y+ H" Umultiple pairs of simultaneous operations without cross talk.
8 |/ C/ T! t4 i% e" y1 S8 W! S __________________________________________________________________________
8 m. p4 A3 ^( d+ ~, z1 tGaffer_tam@163.com
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