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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
; i$ w3 D5 d$ \" `- I( t 1) Complete transceiver design of wireless communication at 5 GHz.
7 W4 l( I' T, W8 E" R) i$ z. H 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
5 f+ u9 D! g- V1 N5 k* I- H4 Sdifferent country spectrum requirements.
2 ?0 j6 X5 E& N# m8 O3) Dynamic frequency selection to resist interferences.
7 t3 ^2 x( Q0 N+ ?2 y& K4) Close-loop power control to minimize power consumption and be a friendly neighbor to
: P' ]2 n) J5 m, ~other WLAN networks at 5 GHz.
/ O: \# C6 B% z+ K5 [0 N$ H 5) Secure networking to assure privacy and content rights protection.
8 ~, u: x D% c 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
. |$ n) e- X G" o" R8 E1 z1 iH.264 and VC-1 (WM-9).
+ A. l" F. C% A: F- G ^. S: L+ m7) Supports point-to-point video connection with full QoS and point-to-multipoint video
) ~' h$ N8 {& Tbroadcasting.
) }) x% ?) R; v! t- N5 q, I 8) Configurable expansion I/O connector enabling easy integration with existing host
: K# U* p" i8 \& x) d* } systems.
/ t3 ?8 L. `; k7 e8 Z( @! V9) HCI interface to the host CPU to enable flexible application development at the host level.
8 d& u# ~) {- t% } \1 \* O: S( I10) Transmission of IR control signals to the video source devices from the TV location.
$ e4 ?; d' J* F: @7 e8 P2 u 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
: C$ \; o% ?6 r: Z) s Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
) S( \3 l* o: l% o: P7 L! A' z WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
j7 H- G) x6 bdifferent 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 H- n/ i) n* S8 ~- s 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
9 t$ c+ C6 X: q4 rMbps.
9 [2 O/ H* V! O* A9 X) A- ^1 |% k' C! q 3 System Security
* J. j+ H4 n* s, w5 Z: p7 s The communication is authenticated and the media stream is encrypted to assure for
. f0 A4 r* n S% o protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
% _4 ^7 I5 V; p. E: r ensures private communications between each pair of units. This also allow for coexistence of
# A# C$ e2 P" `, ~1 F6 A h multiple pairs of simultaneous operations without cross talk.
- Z2 a) j" I, j__________________________________________________________________________
4 \. C/ o- b. b9 _& CGaffer_tam@163.com
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