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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
# h X1 E4 C2 y7 N1) Complete transceiver design of wireless communication at 5 GHz.
$ ] ` o& i' ~; G2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
1 b" x" F9 F) J1 _7 F8 A2 U different country spectrum requirements.
$ k; o' ?/ g( e# v, O( |% a: f" T3) Dynamic frequency selection to resist interferences.
9 O$ @ U$ L: h, s1 N4 p4) Close-loop power control to minimize power consumption and be a friendly neighbor to
v! `. |/ v% j" K) K) J4 N xother WLAN networks at 5 GHz.
$ C: g, R7 ^# ?# S5) Secure networking to assure privacy and content rights protection.
8 f& x0 r6 B( a6 _7 C/ T b" M% l 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
$ x7 e6 h8 \+ C2 o, a5 b& E0 x/ E H.264 and VC-1 (WM-9).
* V( g: V3 J4 T4 r% r( d0 P, d% B7) Supports point-to-point video connection with full QoS and point-to-multipoint video
3 s- o) s0 \6 \% R% k7 ?7 nbroadcasting.
M4 |! p' e2 k( k8) Configurable expansion I/O connector enabling easy integration with existing host
4 l( ?, r9 ]% {) J$ m& k& P+ Esystems.
* B- @7 Y9 \6 ~1 Z- h9) HCI interface to the host CPU to enable flexible application development at the host level.
. Q* g2 D% Q) p& L9 I$ n/ R 10) Transmission of IR control signals to the video source devices from the TV location.
9 b, _# j7 F' R* k- u# { 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
3 _8 m1 I7 X+ u& h Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
& b; I4 _3 S7 y" C& B WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
! o! ]! v- I/ \2 t 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
" q. r s/ R; w# M7 xpower 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
$ a. t) k. m" h& e$ V+ G0 N1 zMbps.
/ Y! T( y9 x& P; ^* U/ R3 w9 Z0 Z8 v 3 System Security
# L) o7 r) G$ u$ @4 `6 l The communication is authenticated and the media stream is encrypted to assure for
( P3 i f# R' O" vprotection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
0 e# P! ^+ K+ E) p# U% s ensures private communications between each pair of units. This also allow for coexistence of
, S) k. {3 i; m) Dmultiple pairs of simultaneous operations without cross talk.
% T* A" O* M# g1 z5 X__________________________________________________________________________
1 \) X0 L- v3 V# t* s3 v Gaffer_tam@163.com
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