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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
' O0 k$ l, U" g& o. O 1) Complete transceiver design of wireless communication at 5 GHz.
9 v5 @5 {/ H) C1 E/ L% B 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
0 |1 O) l, b+ L0 o* z* }different country spectrum requirements.
I8 a1 }! Z/ \5 s- R$ C7 l 3) Dynamic frequency selection to resist interferences.
3 V* n6 l- F4 s% ^5 Y" ] 4) Close-loop power control to minimize power consumption and be a friendly neighbor to
W2 k! i# o0 ?" Xother WLAN networks at 5 GHz.
: t; A5 `9 s! H) |% H8 J 5) Secure networking to assure privacy and content rights protection.
4 O3 s8 [/ Q( h( N* I2 A$ L2 J6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
- s+ x- U3 Y+ U/ D2 V. L: `2 e! C6 b8 u1 RH.264 and VC-1 (WM-9).
/ ^0 u4 B' Q# P) S6 p& t" Z 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
: E9 \) z- x+ e! `broadcasting.
8 g$ `5 V# p, j( N2 y. X: v8) Configurable expansion I/O connector enabling easy integration with existing host
' U6 C+ b+ J. N7 M. @systems.
# f5 N3 n% `3 |$ Q9) HCI interface to the host CPU to enable flexible application development at the host level.
7 k9 | S- |2 m0 ^10) Transmission of IR control signals to the video source devices from the TV location.
, Q% @+ F! O+ H2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
+ F. |2 n* b/ ? TParallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
" ^" ?+ G* h/ l4 QWiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
* r. x& R% K5 }7 j/ ~+ x2 ~ 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
/ t) A7 Y" f% C: Ypower 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
* ^5 E8 \1 ?% P/ KMbps.
4 @5 U0 ?( q! h0 r7 g2 B 3 System Security
# ~' q& ?7 M( v s% f The communication is authenticated and the media stream is encrypted to assure for
G0 u0 R2 d" c: Y4 aprotection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
" Y. |0 G) g. N! ^( f zensures private communications between each pair of units. This also allow for coexistence of
0 ?/ l. J& B4 O7 y9 s multiple pairs of simultaneous operations without cross talk.
) O0 i* Z. h$ m& d1 m H t& g6 d__________________________________________________________________________
8 d/ O, x' \( P; |* J: x$ T Gaffer_tam@163.com
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