CN1801752A - High Speed Distributed Cable Broadband System - Google Patents

Abstract

A high speed distributed cable broadband system includes a termination unit and a plurality of distributed clients interconnected via a cable television network. Radio signals in a high-speed distributed cable broadband system propagate within coaxial cables. In order to ensure the quality of the connection between the end unit and the ue, a preamble sequence is required between the end unit and the ue to adjust the wireless transmission power, receiver sensitivity, channel equalization, and synchronization transceivers. In order to ensure the security of the connection between the termination unit and a group of clients or individual clients, the termination unit needs to provide different keys (Encryption keys) to different groups of clients.

Description

High Speed Distributed Cable Broadband System

technical field

The present invention relates to a cable broadband system (Cable Broadband System), and more particularly relates to a wireless network base station (Access Point: AP) and a client device ( client device) high-speed distributed cable broadband system (High Speed Distributed Cable Broadband System).

Background technique

Generally speaking, a typical cable network system provides broadband network services, the system includes a headend unit with a cable modem termination system (Cable Modem Termination System: CMTS) and a cable modem The customer premise devices (customer premise devices) are shown in FIG. 1 . The above cable modem termination system (Cable Modem Termination System: CMTS) and modem (cable modem) are applied according to the standard of the cable data service interface specification (Data Over Cable Service Interface Specification: DOCSIS). Downloading data from the cable modem termination system (CableModem Termination System: CMTS) to the user end uses a higher frequency band exceeding 900MHz, while uploading data from the user end to the cable modem termination system (CableModem Termination System: CMTS) uses The lower frequency band of frequency channels. Typical download and upload bandwidths are 27Mbps and 500Kbps to 10Mbps respectively, depending on the service level agreement. Generally, 500 to 2000 active users share the download and upload bandwidth of a wired network segment.

Please refer to FIG. 1 , which is a schematic diagram of a traditional cable TV network system. The cable headend device 100 includes a backplane 101 electrically connected to an Internet 102 . The backplane 101 is generally composed of a printed circuit board, and is intended to provide connection to a control card in an electronic system, such as a display card, an audio card, a network card, and the like. In addition, the backplane 101 can also be designed to have a fiber channel (fiber channel) specification to communicate with the Internet 102 with fiber optic transmission. A receiver (receiver) 103 is electrically connected to the backplane 101 to receive a TV broadcasting signal (TV Broadcasting) 104 . A transmitter module 105 is electrically connected to the backplane 101 , wherein the transmitter module 105 is used to transmit the television broadcast signal 104 . A cable modem termination system (Cable Modem Termination System: CMTS) 106 is connected to a customer premise 108 through a wired network 107 . In addition, the video compression standard (MPEG) module 109 is electrically connected to the above-mentioned backplane 101 . The MPEG module 109 usually includes an MPEG encoder and an MPEG decoder. The network server 110 is electrically connected to the backplane 101 , and the network server 110 can communicate with the Internet 102 through the backplane 101 . Furthermore, the video server 111 is electrically connected to the backplane 101 , so that the video server 111 can process the received TV broadcast signal 104 through the backplane 101 . The statistical multiplexer (StatMux) 112 is electrically connected to the backplane 101, wherein the statistical multiplexer (StatMux) 112 can optimize the flow of data. The above-mentioned client 108 includes a set top box (Set top Box) 113 and a modem (Cable Modem) 114.

In addition, due to the rapid growth of wireless local area network (WLAN) systems and the development of related technologies, the performance of wireless local area network (WLAN) systems has been rapidly improved in recent years. However, the price of wireless local area network (WLAN) systems Still maintain a good economic value. In addition to being successful in Small Office and Home Office (SOHO) areas, Wireless Local Area Network (WLAN) is further applied in different wireless environments, such as: public communication facilities, surveillance systems, voice services and video services. In particular, due to the low price, various functions and high performance of the above-mentioned devices, the wireless local area network (WLAN) system is first applied to the cable television network system.

Based on the above reasons and in response to the demand of the trend, the present invention proposes a broadband system applied to cable TV.

Contents of the invention

The purpose of the present invention is to utilize a high-speed distributed cable broadband system (High Speed Distributed Cable Broadband System) used in a wireless local area network (WLAN) for an access point (Access Point: AP) and a client device (client device). . The system of the present invention is to apply the access point (Access Point: AP) and the client device (client device) used in the wireless local area network (WLAN) to replace the cable modem terminal system of the traditional wired broadband network system ( Cable Modem Termination System: CMTS) and modem (cable modem).

Another object of the present invention is to provide a public construction system (infrastructure) utilizing a high-speed distributed wired broadband system of a wireless local area network.

Another object of the present invention is to provide a high-speed distributed cable broadband system with low propagation loss.

Another object of the present invention is to provide a high-speed distributed cable broadband system with a wide propagation range.

The radio signals (radio signals) of the present invention propagate through the entire wired network, so that the access point (AP) and the client device (client device) are connected (links). Although part of the wireless signal is lost traveling through the coaxial cable, the amount lost traveling through the wired cable is much lower than the amount lost traveling through the wireless environment as it radiates from the device antenna. Therefore, in a wired network system, the range that the above-mentioned signals can reach through the network will be larger than the range that can be reached through the wireless environment.

The high-speed decentralized wired broadband system of the present invention includes: a head-end device having a first network bridge; a second network bridge connected to the above-mentioned first network bridge through a wired network; The second network bridge is connected through the above-mentioned wired network; wherein the above-mentioned client and the first network bridge communicate with the second network bridge through a same communication protocol.

The above-mentioned head-end equipment also includes:

a backplane (backplane), electrically connected to an Internet;

A receiver, electrically connected to the above-mentioned backplane, the receiver is used to receive TV broadcast signals;

A transmitter module is electrically connected to the above-mentioned backplane and the second network bridge, and the transmitter module is used to transmit the above-mentioned TV broadcast signal;

A video compression standard (MPEG) module, electrically connected to the above-mentioned backplane;

A video server is electrically connected to the backplane, and the video server can process the TV broadcast signal through the backplane;

a web server electrically connected to the backplane, the web server can communicate with the internet through the backplane; and

A statistical multiplexer is electrically connected to the backplane.

The above-mentioned first and second network bridges include an access device (AP), a bridge (Bridge) or a router (Router). The transmitter module includes a transmitter and a modulator. The MPEG module includes an MPEG encoder and an MPEG decoder. The client includes a set top box (Set top Box) and a client device (Client Device). The above client device (Client Device) is a personal computer, and the set top box (Set top Box) is connected to the personal computer.

Based on the spirit of the present invention, the present invention proposes a high-speed decentralized wired broadband system, including: at least one client connected to the AP through the wired network; and a modem connected to the AP through the wired network AP), the data is electromechanically connected to an Internet; wherein the above-mentioned client and the access device (AP) communicate with each other through a communication protocol. The above-mentioned modem includes a broadband modem or Leased-lines.

A high-speed distributed wired broadband system, including: a first user end; a second user end, which has a short-distance wireless transmission module to transmit or receive wireless signals; and an access device (AP), connected to the above-mentioned through a wired network The first and second clients, the access device (AP) is connected to an Internet; wherein the first client, the second client and the access device (AP) communicate with each other through a communication protocol.

The above-mentioned short-distance wireless transmission module transmits the wireless signal to facilitate reception by the second short-distance wireless transmission module of an external user, or receives a wireless signal transmitted by the second short-distance wireless transmission module. The above-mentioned external user communicates with the second client through a communication protocol.

A wired network system, comprising: at least one user end and an access device (AP), the above user end includes a short-distance wireless transmission module, and the access device is connected to the above user end through a wired network and the access The device (AP) is connected to an Internet; wherein the above-mentioned client and the access device (AP) communicate with each other through a communication protocol.

A wired network system, comprising: at least one client group; an access device (AP), connected to the client group through a wired network; a gateway, connected to the aforementioned access device (AP) , the gateway is connected to a local area network; and a security server communicates with the access device (AP) through the gateway; wherein the client group and the access device (AP) are communicated through A communication protocol communicates with each other; the different client groups can transmit different encryption keys from the AP to facilitate information protection and isolation from each other. The above-mentioned area network includes a wide area network (WAN), a metropolitan area network (MAN) or a local area network (LAN). The above-mentioned wired network system further includes a switch connecting the above-mentioned access device (AP) and the gateway.

The links between the AP and the client devices of the present invention are through a preamble sequence to adjust transmission power, receiver sensitivity, channel equalization ( channel equalization) and channel selection and synchronize transceivers (synchronize transceivers).

The aforementioned communication protocols include 802.11, 802.11a, 802.11b, 802.11g, 802.11i or 802.1x.

Description of drawings

From the following detailed description in conjunction with the accompanying drawings, the above contents and many advantages of the present invention can be easily understood, wherein:

FIG. 1 is a schematic diagram of a traditional cable TV network system.

FIG. 2 is a schematic diagram of a WLAN system.

FIG. 3 is a schematic diagram of a WLAN system with two UE groups having a wireless bridge.

FIG. 4 is a schematic diagram of a cable television network system in which a wireless network base station (Access Point: AP) is connected to a client device (client device).

Fig. 5 is a graph showing the transmission loss of different coaxial cables with respect to the cable frequency per 100 meters of length.

Fig. 6 is a graph showing the front and back of every 100 meters of a RG-58 coaxial cable transmitting a 2.4 GHz wireless signal.

FIG. 7 is a schematic diagram of transmitting preamble sequences between a wireless network base station (AP) and a user terminal.

FIG. 8 is a schematic diagram of a security and network management system of a high-speed distributed cable broadband system.

FIG. 9 is a schematic diagram of a large-scale cable operating system with cable head-end equipment and client terminals.

FIG. 10 is a schematic diagram of a small or medium-sized high-speed distributed cable broadband system applied to a cable TV network system.

FIG. 11 is a schematic diagram of a high-speed distributed wired broadband system with a wireless network access point (AP) to provide wireless connection to the user end.

Detailed ways

The system of the present invention is to apply the access point (AccessPoint: AP) and the client device (client device) used in the wireless local area network (WLAN) to replace the cable modem terminal system (Cable) of the traditional wired broadband network system respectively. Modem Termination System: CMTS) and modem (cable modem). In other words, the present invention provides a high-speed distributed cable broadband system, which can provide cable broadband services to the existing cable TV network system. The above-mentioned access device is also called an access device or an access device, which refers to a connection device that provides a short-distance wireless transmission device (such as a computer or a mobile phone) to connect to the network.

The radio signals (radio signals) of the present invention propagate through the entire wired network, so that the access point (Access Point: AP) and the client device (client device) are connected (links). Although there is some loss in radio signal propagation through co-axial cables, the degree of loss in propagation through wired cables is much lower than that in wireless environments. Therefore, compared with the wireless environment, the system uses the wired network system, so that the range that the above-mentioned signals can reach through the system will be farther than that achieved through the wireless environment. In addition, the communication protocol between the access point (AP) and the client device (client device) includes but not limited to communication specifications such as 802.11, 802.11a, 802.11b, 802.11g, 802.11i or 802.1x.

Please refer to FIG. 2 , which is a schematic diagram of a WLAN system. The client device (client device) 122 in the signal coverage area can communicate wirelessly with the short-distance wireless transmission module 121 in the access point (Access Point: AP) 120 through the short-distance wireless transmission module 123 therein. . The above-mentioned capture device 120 can be connected to an Internet (internal) 124 , such as an Ethernet network (Ethernet), so as to serve as an entry point for the client 122 to enter the Internet (internal) 124 . In other words, the above-mentioned client 122 can transmit or receive data through the internet (internal) 124 via the capture device 120 . The output of the extractor and the user end is an impedance-matched cable connector (cabal connector). The 802.11 wireless local area network (WLAN) capture point and the client in the high-speed distributed cable broadband system (Hi-SD CBS) of the present invention will act as the cable modem termination system (Cable Modem Termination System: CMTS) in the traditional cable broadband TV network ) and cable modem functions. Please refer to FIG. 3 , which is a schematic diagram of a WLAN system with a plurality of client groups of wireless bridges or accessors. In the first client group, the client device (client device) 132 in the signal coverage area can pass through the short-range wireless transmission module 133 and the short-range wireless transmission module in the wireless bridge or extractor 130. Group 131 is used for wireless communication or data transmission. Similarly, in the second client group, the client device (client device) 139 in the signal coverage area can pass through the short-distance wireless transmission module 140 and the short-distance wireless bridge or extractor 137 therein. The wireless transmission module 138 transmits information wirelessly. Furthermore, the wireless bridge 130 and the wireless bridge 137 can communicate wirelessly through the short-range wireless transmission module 131 and the short-distance wireless transmission module 138 and the short-distance wireless transmission module 135 in the wireless bridge 134 respectively. data transfer. For one embodiment, the wireless bridges 130 , 134 and 137 include APs, Bridges or Routers. The above-mentioned wireless bridge 134 can be connected to the Internet (internal) 136, such as the Ethernet (Ethernet), to connect to the Internet (internal) as each client 132, 139 in the above-mentioned first and second client groups 136 entry points. In other words, the above-mentioned client terminals 132 and 139 can transmit or receive data through the Internet (internal) 136 via the wireless bridges or accessors 130 and 137 respectively.

Please refer to FIG. 4 , which is a schematic diagram of a cable TV network system in which a picker is connected to a client device. Wherein, the client device 141 is connected to the extractor 143 through the nodes 144 of the cable TV network 142, and the node 142 is an example. The above-mentioned access device 143 can be connected to the Internet 145 , such as Ethernet, to serve as an entry point for the client 141 to enter the Internet 145 . In other words, the above-mentioned client 141 can transmit or receive data through the Internet 145 via the capture device 143 . In addition, the client 141 can also receive video data transmitted via the Internet 145 through the cable television network 142 . In other words, the radio signals between the capture device 143 and the UE 141 are propagated through the wired network system. Here, the wired cables act as extended antennas with ultra-high gains (gains) transmitted along the wired propagation direction.

Please refer to FIG. 5 , which is a graph of the transmission loss of a different coaxial cable with respect to the cable frequency at a length of 100 meters. The loss of transmission is in a fixed 100-meter cable, and the degree of loss increases with the transmission frequency. Since the loss of radio signals transmitted through a coaxial cable network system is much lower than that transmitted through a wireless environment, in a wired network system, compared to a transmitter radiating wireless signals through a wireless environment, A signal that travels a distance from a transmitter to a designated receiver along a coaxial cable that is greater than the distance a transmitter can radiate wireless signals through a wireless environment to a designated receiver. In the wired network system, the coaxial cable provided for radio signal transmission can be regarded as an extended antenna (extended antennas). In this case, the antenna along the propagation direction of the cable has a very high gain. Typical signal propagation losses, at different frequencies and transmission losses of cables with a length of 100 meters, are shown in Fig. 5. Among them, the frequency bands 2.4GHz~2.48GHz and 4.9GHz~5.9GHz respectively applied to 802.11b/g and 802.11a can transmit a relatively long distance in the wired network. With Automatic Gain Control (AGC) and high receive sensitivity, the signal dynamic range provided to 802.11 wireless area network (WLAN) receivers can reach 70dB. This means that in complex wired network systems, 802.11 transceivers can adapt to a wider range of wireless signal strengths.

Please refer to FIG. 6 , which is a graphical representation of the signal strength of an RG-58 coaxial cable before and after passing through the coaxial cable when a 2.4GHz radio signal is transmitted in a 100-meter cable. The transmission of the 2.4 GHz radio signal is through a typical coaxial cable used in a cable television network. Since radio signals are more stable in wired network systems than in complex wireless environments, the related interference and multi-paths problems in wired network systems are less serious and easier to control. Therefore, the planning of the network system is easier to achieve in the wired system.

Please refer to FIG. 8 , which is a schematic diagram of a security and network management system of a high-speed distributed wired broadband system. Security between the AP and the client is provided by providing an encryption key to a logistic client group or a single user. In addition, by installing a network management software, each individual user can be controlled, and service quality can be ensured according to access privilege, priority and data flow. Clients 800, 802, 804 and 806 in different user groups can send different encryption keys (Encryption Key) 801, 803, 805 and 807 respectively from the AP 808 to ensure transmission security and mutual communication isolated. The aforementioned clients 800 , 802 , 804 and 806 communicate with an AP 808 through a cable TV network 809 . The AP 808 can pass some information and receive instructions from a gateway 811 or a security server 812 , as shown in FIG. 8 . Furthermore, a switch 810 can connect the AP 808 and the gateway 811 to control the data flow between the AP 808 and the gateway 811 or the security server 812 . The functions of the security server 812 may include authentication, authorization, and accounting. In addition, the gateway 811 is connected to an area network 813. For one embodiment, the area network includes a wide area network (WAN), a metropolitan area network (MAN) or a local area network (LAN).

The aforementioned clients 800, 802, 804, 806 and AP 808 communicate with each other through a communication protocol. In addition, for security, the 802.1x and 802.11i communication protocols used in WLANs can be applied to the present invention without significant modification.

Please refer to FIG. 9, which is a schematic diagram of a large-scale cable operating system with a cable headend and a user end. For one embodiment, the network bridge 901 includes an access device (AP), a bridge (Bridge) or a router (Router). The headend device 900 also includes a backplane 902 electrically connected to an Internet 903 . The backplane 902 is generally composed of a printed circuit board, and is intended to provide connection to a control card in an electronic system, such as a display card, an audio card, a network card, and the like. In addition, the backplane 902 can also be designed to have a fiber channel (fiber channel) specification to communicate with the Internet 903 with fiber optic transmission. A receiver (receiver) 904 is electrically connected to the backplane 902 to receive a TV broadcasting signal (TV Broadcasting) 905 . A transmitter module 906 is electrically connected to the backplane 902 and the network bridge 907 , wherein the transmitter module 906 is used to transmit the TV broadcast signal 905 . The network bridge 907 is connected to the client 909 through the wired network 908, and other interfaces (ports) of the network bridge 907 can also be connected to other optical fiber backbones or satellite links. For one embodiment, the network bridge 909 includes an access device (AP) or a bridge device (Bridge). The above-mentioned network bridge 907 can be used as a relay station (relay) between the headend device 900 and the customer premises 909 in a large-scale wired network system. In addition, the video compression standard (MPEG) module 910 is electrically connected to the above-mentioned backplane 902 . The MPEG module 910 generally includes an MPEG encoder and an MPEG decoder. The network server 911 is electrically connected to the backplane 902 , and the network server 911 can communicate with the Internet 903 through the backplane 902 . Furthermore, the video server 912 is electrically connected to the backplane 902 , so that the video server 912 can process the received TV broadcast signal 905 through the backplane 902 . A statistical multiplexer (StatMux) 913 is electrically connected to the backplane 902 . Statistical multiplexer (StatMux) 913 can optimize the flow of data.

In addition, the above-mentioned client terminal 909 includes a set-top box (Set top Box) 914 and a client device (Client Device) 915, and the above-mentioned client device (Client Device) 915 can be a personal computer, and there are several set-top boxes (Set top Box) 914 The PC can be connected. The client 909, the network bridge 901 and the network bridge 907 communicate with each other through a communication protocol.

Please refer to FIG. 10 , which is a schematic diagram of a small or medium-sized high-speed distributed cable broadband system applied to a cable TV network system. The above-mentioned small and medium-sized high-speed distributed wired broadband system can be applied to hotels or motels. The client is connected to a broadband modem or leased-lines (Leased-lines) 923 through a cable TV network 922 through the wireless network interface (ports) of the AP 920, wherein the wireless signal interface (ports) A cable end connected to a cable television network 922 system for distribution to different rooms or locations. The broadband modem or Leased-lines 923 are connected to the Internet 924 . In addition, the wireless signal ports (ports) of the user terminal 921 are connected to the distributed output nodes (nodes) of the above-mentioned cable TV network 922 . In order to enter the broadband network, a computer can be connected or coupled to the client 921 via an Ethernet LAN port or a USB port. The aforementioned client 921 and AP 920 can communicate with each other through a communication protocol.

Please refer to FIG. 11 , which is a schematic diagram of a high-speed distributed wired broadband system including a client device with a short-range wireless transmission module to provide a short-range wireless connection to the client. In this embodiment, the client 930 includes the above-mentioned short-range wireless transmission module, which can serve as an entrance for other wireless clients such as 932 to access the network, as shown in FIG. 11 . In other words, the user terminal 930 has a short-distance wireless transmission module 931 to transmit wireless signals for receiving by the short-distance wireless transmission module 933 of the external user 932 , or to receive a wireless signal transmitted by the short-distance wireless transmission module 933 . In addition, the user terminal 934 does not have a short-range wireless transmission module. One interface of the above-mentioned client 930 can be connected to the Internet 937 through the cable television network 936 , and the other interface can provide other clients such as 932 with the network access point function of wireless network communication. It can be understood that different wireless bandwidths and different communication protocols can be applied in this embodiment, and different uplinks and downlinks (uplink and downlink) can also be connected to the above-mentioned high-speed distributed wired broadband system. The above-mentioned client 930, external user 932 and AP 935 communicate with each other through a communication protocol.

Please refer to FIG. 7 , which is a schematic diagram of transmitting preamble sequences between an AP and a UE. In the high-speed decentralized wired broadband system of the present invention, the wireless access device (AP) 700 and the client devices (client devices) 701 are connected to each other through cables, and the wireless access device (AP) 700 is connected to each individual client device ( Links between clientdevices) 701 can be established through several preamble sequences to adjust transmit power, receiver sensitivity, channel equalization and channel selection, and synchronize transceivers (synchronize transceivers), as shown in Figure 7. In order to improve the preamble efficiency and the preparation for transmission to the client, the extractor can test (poll) the entire wired network status from all the clients, and store the connection (link) status data in the memory to facilitate data transfer. After the link between the extractor 700 and the client 701 is established, data packets can be transmitted and received by the client 701 through the entire wired network system 703 . Likewise, the wireless dongle 700 is connected to an Internet 702 .

Because the cable network system is designed to provide TV channels for its original frequency band, traditional boosters and some high-isolation splitters in the cable network system prevent other frequency bands. pass. Splitters before these elements (thrusters and high-isolation splitters) were introduced to separate the radio frequency bands of the different paths. The above-mentioned splitters are designed so that the above-mentioned TV frequency bands can pass through the above-mentioned original components, while other frequency bands pass through other paths without allowing the above-mentioned TV channel frequency bands to pass through. A combiner is used to re-join the two frequency bands back to the above coaxial cable network system.

In an 802.11 wireless communication network (WLAN) system, APs and client devices transmit beacons through the entire wired network. Preamble sequences are applied between AP and client devices to adjust transmission wireless power, receiver sensitivity and synchronize the above two transceivers. In the above signal header (signal header), it determines the different PHYs used for this transmission, that is, different CCKs are used for 802.11b or OFDM is used for 802.11g and 802.11a. According to the connection quality between the AP and the client devices, different transmission rates, such as 11Mbps, 22Mbps, 33Mbps, 54Mbps and 108Mbps, can be applied to the data transmission in the connection. To avoid interference between different connections in the shared wired network system described above, channel management can be used to minimize contention and manage communication traffic more efficiently. For example, certain channels may be reserved for specific links based on priority, data flow, and other applications.

The present invention is described above with preferred embodiments, but it is not intended to limit the scope of patent rights claimed by the present invention. The scope of its patent protection shall depend on the scope of the appended patent application and its equivalent fields. All changes or modifications made by those skilled in this field without departing from the spirit or scope of this patent belong to the equivalent change or design completed under the spirit disclosed by the present invention, and should be included in the following patent application within range.

Claims (16)

1. a high-speed dispersive wired broadband system is characterized in that, comprising:

Headend has first Net Bridge;

Second Net Bridge sees through wired networking and connects this first Net Bridge; And

User side sees through this wired networking and connects this second Net Bridge;

Wherein this user side, this first Net Bridge and this second Net Bridge are to communicate with each other through one communication protocol.

2. high-speed dispersive wired broadband system as claimed in claim 1 is characterized in that, wherein this wired headend also comprises:

Backboard electrically connects an Internet;

Receiver electrically connects this backboard, and this receiver is to be used for received tv broadcast signal;

The reflector module electrically connects this backboard and this second Net Bridge, and this reflector module is to be used to launch this television broadcasting signal;

Video signal compression standard module electrically connects this backboard;

The video signal server electrically connects this backboard, and this video signal server can see through this backboard to handle this television broadcasting signal;

Network server electrically connects this backboard, and this network server can see through this backboard and this Internet is linked up; And

Statistical multiplexer electrically connects this backboard.

3. high-speed dispersive wired broadband system as claimed in claim 2, it is characterized in that, wherein this reflector module comprises a reflector and a modulator, and wherein this video signal compression standard module comprises a video signal compression standard encoder and a video signal compression standard decoder.

4. high-speed dispersive wired broadband system as claimed in claim 1 is characterized in that, wherein this first Net Bridge comprises acquisition device, bridger or router, and wherein this second Net Bridge comprises acquisition device, bridger or router.

5 high-speed dispersive wired broadband systems as claimed in claim 1 is characterized in that, wherein this user side comprises a box and a user's set on the machine, and wherein this user's set comprises a PC, and box connects this PC on this machine.

6. high-speed dispersive wired broadband system as claimed in claim 4, it is characterized in that wherein getting in touch between this user side and this acquisition device is to see through a go-ahead sequence to adjust through-put power, receiver sensitiveness, channel equalization and channel selection and synchronization transceiver.

7. high-speed dispersive wired broadband system as claimed in claim 1 is characterized in that, wherein this communication protocol comprise 802.11,802.11a, 802.11b, 802.11g, 802.11i or 802.1x.

8. a wired network system is characterized in that, comprising:

At least one user side, this user side comprise short-distance wireless transmission module; And

Acquisition device sees through wired networking and connects this user side, and this acquisition device connects an Internet;

Wherein this user side and this acquisition device are to see through a communication protocol to communicate with each other.

9. wired network system as claimed in claim 8 is characterized in that wherein this user side comprises a TV or computer.

10. wired network system as claimed in claim 8 is characterized in that, wherein getting in touch between this acquisition device and this user side is to see through a go-ahead sequence to adjust through-put power, receiver sensitiveness, channel equalization and channel selection and synchronization transceiver.

11. wired network system as claimed in claim 8 is characterized in that, wherein this communication protocol comprise 802.11,802.11a, 802.11b, 802.11g, 802.11i or 802.1x.

12. a wired network system is characterized in that, comprising:

At least one user side group;

Acquisition device sees through wired networking and connects this user side group;

Gateway connects this acquisition device, and this gateway connects a local-area network; And

Safe server sees through this gateway and this acquisition device and communicates with each other;

Wherein this user side group and this acquisition device are to see through a communication protocol to communicate with each other;

This wherein different user side groups can be protected with isolated each other in order to information by the different key of transmission from this acquisition device.

13. wired network system as claimed in claim 12 is characterized in that wherein this user side comprises a TV or computer, wherein this local-area network comprises wide area networking, metropolitan region networking or regional area networking.

14. wired network system as claimed in claim 12 is characterized in that, comprises also that wherein a switch connects this acquisition device and this gateway.

15. wired network system as claimed in claim 12 is characterized in that, wherein getting in touch between this acquisition device and this user side is to see through a go-ahead sequence to adjust through-put power, receiver sensitiveness, channel equalization and channel selection and synchronization transceiver.

16. wired network system as claimed in claim 12 is characterized in that, wherein this communication protocol comprise 802.11,802.11a, 802.11b, 802.11g, 802.11i or 802.1x.

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