1. Summary
With the rapid socio-economic development, the Government in
2006 to focus on building a harmonious society, protection of social health,
harmonious and civilized society. as the Shenzhen Vdocapture Technology Co., Ltd. in the corresponding call with national security, public
security power technology the objective of internal demand, launched a new
W8310-CII-integrated H.264 video compression technology and multi-channel
wireless transmission function of routing long-distance Audio and video
monitoring system.
As W8310-CII-CDMA wireless video
surveillance system is a sound, efficient, cost-effective wireless network
multimedia video surveillance system. Integration of the CDMA data
communications and digital video encoding capabilities for the integration of
portable products. It has a video camera image compression coding module,
through intelligent wireless communication terminals to launch the CDMA network,
interactive video data, send / receive, encryption and decryption, and decoding,
the control link maintenance functions. According to applications, the real-time
dynamic image was transmitted from the users of China Unicom last communication
networks. Through the Internet from the system control center receive real-time
image information. The system incorporates the CDMA network and Internet network
edge, no matter where you are in, any time, can quickly access system, anytime,
anywhere remote monitoring and management.
2. Description
W8310 series can choose GPRS/CDMA1x/EDGE and other wireless mobile
communication networks, real-time transmission of high-quality H.264 video
streaming and audio streaming. Product integration a powerful network protocol
stack to support a variety of network protocols, its unique and reliable
connection technology, wireless network bandwidth to overcome the narrow channel
instability, such as inadequate to ensure the long-range wireless video images
clearly fluent in transmission.
W8310-CII wireless remote video
surveillance system through the wireless mobile communications network for
Internet access, and wide-area environmental monitoring of multi-channel video
(including P/T control), voice monitoring, manual alarm, GPS positioning,
strong central control system platform.
W8310-CII wireless video
transmission with a built-in Web server in digital camera systems,
video-acquisition, real-time compression, CDMA wireless transmission, and other
functions as one. Equipment can be connected to power after independence, the
acquisition of compressed digital video signal transmission to the network,
users can IE browser or client software to conduct real-time video surveillance.
The products are widely applied to:
1. Erection of cable
video surveillance difficult places (such as the heart of the city or the wild);
2. Randomly change the venue (such as unexpected incidents at the scene);
3. Mobile video surveillance applications (such as vehicle inspections).
3. System Components
W8310-CII-CDMA wireless video surveillance
system is based on Unicom's CDMA network, primarily by the following three
components:
Video compression modules of the acquisition
Wireless data transfer module
Centre monitoring and
management platform
Concise system architecture, scalability, and
monitoring to adapt to changing requirements.
(1) front-end video
acquisition module
Video Collection front of the module is to achieve
the functions of the ordinary in the video camera to capture the instantaneous
video signal, and then compressed. The module supports a different compression
ratio and image size, the user can select different types of products.
(2) wireless module
Video Compression after collecting a good video can
be compressed image files sent to the Centre: send the way through the Unicom's CDMA network, the CDMA system has the PPP dial-up process and to achieve the
embedded TCP / IP protocol, POP3/SMTP agreement , Also supports dynamic IP.
(3) Monitoring Center
Monitoring Centre as long as it is one of the
IP network or domain name server can be. Following the launch, waiting for the
various monitoring devices connected, the terminal always online mode, in
accordance with the need for the current images, can also automatically keep
records of monitoring changes in the image point.
2. System features
*As a result of these monitoring points with mobility, sudden, the use
of CDMA wireless network without network cabling and erecting antenna;
*
system covers a wide range of applicable within the country, including China
Unicom coverage of remote areas;
*late, low-cost leased lines, CDMA card
monthly fees for 80-110 yuan
*image compression algorithm: the latest, high
compression ratio of H.264 video compression algorithm;
*network image
transmission: low occupancy of network resources, under the conditions in
low-bandwidth transmission of high quality, smooth image;
*support dynamic
IP: Analysis of a dynamic IP technology, automatic analysis of the distribution
of Internet IP addresses;
*mobility: in the mobile video monitoring
conditions, the realization of complete video surveillance solution; enhanced CDMA wireless video surveillance system can achieve a maximum of 15 fluid / s
high-definition images.
*Network: CDMA network and the Internet, really, at
any time from any place, any site can achieve control.
*ease of use,
operation and management simple: we can install client software, can also be
conducted directly through WEB remote monitoring and remote management,
graphical interface;
*integrity of the monitoring and management functions:
System to provide users with a flexible monitor screen options, the use of
electronic maps of P/T, to control the zoom, the lens and preferences of
the round of visits, and the realization of image capture, video and video
playback, Linkage alarm and alarm functions;
*information security: full
use of the tunnel network, the 128-bit encryption algorithm, firewall / VPN,
encryption locks, rights management, security certification, real-time clock,
and other technology to ensure that surveillance systems and video information
from being ultra vires the use and destruction;
*powerful management
platform: Distribution of classification management, the user can not be time
and space restrictions on monitoring and management targets in real-time
monitoring, real-time management, real-time viewing, real-time command.
*
expansion of the good: the latter part of expansion is very simple, just for
Unicom on the card required, equipment to make simple configuration.
*3 G
network of smooth transition.
3. Systems principle
*in the
W8310-CII devices, through local IP address, pre-set W8310-CII-centre location
of the network management platform.
*W8310-CII with the help of CDMA 1X
wireless data network business functions, automatic dial-up, to get IP
addresses. The establishment of data transmission channel
*
W8310-CII-through dial-up access to the IP, through the CDMA 1X wireless network
and central management platform to connect to begin transmission of data.
*
users to "monitor" software, landing centre management platform, you can watch
the transmission from the remote image.
*users to "monitor" software,
landing centre management platform, and W8310-CII-two-way interaction, such as
control of P/T.
*single centre management platform can support dozens
to hundreds of W8310-CII-access, access W8310-CII type, CDMA 1X/EDGE/GPRS
optional wireless network, the center management platform, the three combined as
one, rather In a number of video network server site.
4. Application System
advantages
(1), functional integration, full use of network resources
Conventional solutions to the above functions are used to achieve
multiple systems, and high cost of the expansion and upgrading after it is not
convenient. The programme to use modern advanced computer network technology,
integrating multiple functions, not only made full use of the advantages of
accurate high-speed network, but also easy to integrate the various services
needs of Intranet, and reflects the advanced nature of the economy.
(2),
excellent image quality
The use of advanced H.264 codec technology, the
pictures are clear, of course. Standard resolution 352 ¡Á 288 pixels, up to 704 ¡Á
576 pixels, and custom. No flashing images, continuity, and standard image frame
rate from 8 to 18 / sec.
(3), low bandwidth occupied
Image
transmission in the 8 to 18 / s, resolution 352 ¡Á 288 pixels, the average
occupied bandwidth is only 25 ~ 70 kbps, so that users in the same network that
can be transmitted under the conditions of the video Lushuo increased several
times, virtually saving The user's network resources invested.
(4), the
system flexible structure
A standard network, support IP Unicast,
Multicast feature that the composition of peer-to-peer monitoring system, but
also a central component of the site of the system; on the network can set up a
number of sub-image workstations, Meet the needs of multiple users, can be
composed of multi-level monitoring system.
(5), and strong expansion
Modular design, to achieve smooth end to the expansion, the center
expansion and the Taiwan-controlled expansion. Whether single or multi-level
expansion expansion can take full advantage of previous resources, lower input
costs expansion.
(6), easily operable
Control interface, all Chinese
menu, the user can very quickly familiar with the operating software use.
(7), the independent development
The heart of the system hardware
and software are used with self-development ability of companies to provide
products that can promptly provide a good after-sales service, users respond to
the special needs of the user function at the request of the tailored.
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