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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
# s" \5 c/ I, Q; u, u% h/ o1) Complete transceiver design of wireless communication at 5 GHz.
4 `/ q' ?. o+ t0 k 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
( ` V: i3 _, U5 W+ o different country spectrum requirements.
" v g* `2 d; A2 v6 x 3) Dynamic frequency selection to resist interferences.
$ Y/ c7 y( U+ f2 [' }. c: d4) Close-loop power control to minimize power consumption and be a friendly neighbor to
0 q; d! g# \0 C. l6 z2 i3 n$ a other WLAN networks at 5 GHz.
1 ^' f/ w4 y# O F 5) Secure networking to assure privacy and content rights protection.
8 F0 S& p* l q6 w% |5 q* r7 z5 U ^0 \ 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
' k% k6 g* a+ C H.264 and VC-1 (WM-9).
" d# _- a2 K+ ^& n6 R, M8 A 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
3 g) b6 K/ o7 T, R+ E broadcasting.
4 r2 K: J+ q' A+ G5 x* v: Q& { 8) Configurable expansion I/O connector enabling easy integration with existing host
, g* l& d! N0 I9 W' U systems.
) Z3 o. N5 F% J 9) HCI interface to the host CPU to enable flexible application development at the host level.
6 h0 Y8 B# Y4 X+ |3 a# Y/ x: ] 10) Transmission of IR control signals to the video source devices from the TV location.
# B4 U# o4 s( @% @3 K* T1 Y" u/ n 2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
; D1 t- p! K l) s- n2 d7 [ Parallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
, n7 x! ]7 p6 W- |- s0 C WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
- P' `+ u0 R6 Q. Adifferent 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
- _% C5 w3 K- m( v* k 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
+ d$ ]+ y2 i5 ~) DMbps.
& B: a/ i0 N% ~! B1 F3 System Security
2 E. ~! @+ i1 D* d7 v* ]) R The communication is authenticated and the media stream is encrypted to assure for
7 W: `- I3 Q. W2 l; o: ` protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
( H# O- x$ ?# jensures private communications between each pair of units. This also allow for coexistence of
3 }7 u3 Y/ ^$ ~" S0 \4 x0 J9 i2 Wmultiple pairs of simultaneous operations without cross talk.
! D! l1 ~- U; I- G__________________________________________________________________________
2 D9 J4 j3 z7 v: X! L, a u$ _8 m) xGaffer_tam@163.com
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