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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
$ O# |& l( @0 N+ S: O2 ^( _1) Complete transceiver design of wireless communication at 5 GHz.
/ S% M8 m" N/ S" L 2) Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
: u( y i* @- A' s y) _) \different country spectrum requirements.
A& @7 x' I& P f1 D3 B! V 3) Dynamic frequency selection to resist interferences.
; X1 O1 K \4 X3 J 4) Close-loop power control to minimize power consumption and be a friendly neighbor to
- n% j! V% }4 A- j; Y5 O other WLAN networks at 5 GHz.
$ i- Q; q/ Q% y s* F5) Secure networking to assure privacy and content rights protection.
% h7 c2 \6 P6 b* [- _: ^ 6) Supports most of the digital video formats at TS layer including MPEG-2, MPEG-4,
% `$ R0 _8 Z# r7 @9 e$ x4 l H.264 and VC-1 (WM-9).
: U0 Y; s% c6 l+ B 7) Supports point-to-point video connection with full QoS and point-to-multipoint video
* i. W& _% Q1 S/ O" w- P9 N6 T- T broadcasting.
4 |: h! D Z2 D# N* C2 I7 z* Q* E 8) Configurable expansion I/O connector enabling easy integration with existing host
* U2 Y* G* t7 ]: y systems.
2 i6 [; S+ ?& V 9) HCI interface to the host CPU to enable flexible application development at the host level.
: m0 m d3 Z$ B9 f) N$ W5 O/ f" d10) Transmission of IR control signals to the video source devices from the TV location.
* P/ E$ H. C i2 w: C+ k% C2 Functional Specifications
The WAV3000 supports standard MPEG Transport Stream input and output in either
/ S( k: O8 x/ Q- nParallel or Serial mode.
The Tx unit transmits the compressed MPEG TS signal to the Rx unit over the air, using the
+ @' Q; V* R9 o i3 `( ] WiViTM wireless networking technology at 5 GHz.
Supports 4.9 to 5.9 GHz frequency band and is controlled by software to comply with
- }. j! U4 Q Q+ v5 t5 d 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
+ j, x* f+ \/ i. X$ M" i. 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
$ J. [2 w- ~4 l* B5 u& q Mbps.
1 {/ @: ?$ M8 l. R2 r" X5 k 3 System Security
, i4 U. M5 F( J! U v2 @/ w6 | The communication is authenticated and the media stream is encrypted to assure for
' q& m2 t) q) _& E4 X. I. n1 k protection of copyrighted material. Flexible pairing procedure between each Tx Unit and Rx Unit
0 s( D4 b; L, s4 t- U- M1 V& s ensures private communications between each pair of units. This also allow for coexistence of
+ A$ U' m, E9 p8 A- P k multiple pairs of simultaneous operations without cross talk.
; p4 u% [) N' k5 C5 ?__________________________________________________________________________
' m' f! I0 M% [ D/ G4 _' T5 u' } Gaffer_tam@163.com
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