CN103391229A - Multi-service access system and method for household coaxial cable - Google Patents

Abstract

The invention discloses a multi-service access system and method for a household coaxial cable. The system comprises a coaxial multi-service frequency division multiplexing device and a wall insert plate device. The method comprises the following steps: multiplexing of wired television signals accessed a first frequency division multiplex device arranged on the coaxial multi-service frequency division multiplexing device, a wired Ethernet signals and Wi-Fi signals are realized, and signals subject to multiplexing are sent out; a second frequency division multiplex device arranged on the wall insert plate device receives the signals to perform demultiplexing process so as to separate the wired television signals, the wired Ethernet signals and the Wi-Fi signals; a wired television output interface formed in the wall insert plate device outputs the separated wired television signals, a second Ethernet net mouth outputs the separated wired Ethernet signals, and a Wi-Fi antenna interface outputs the separated Wi-Fi signals. According to the system and the method, a networking scheme of an access system is optimized, an access network architecture is improved, the broadband access cost is greatly reduced, and high-speed, secure and reliable access rate is provided.

Description

A kind of family expenses coaxial cable multi-service access system and method

Technical field

The present invention relates to communication technical field, relate in particular to a kind of family expenses coaxial cable multi-service access system and method.

Background technology

Along with developing rapidly and extensive popularizing of mechanics of communication, network has been come into huge numbers of families.According to statistics, existing family Access Network has following several:

Family's access network generally adopts category-5 cable as medium, with the Ethernet switch of standard in return equipment carry out interconnected.Ethernet technology adopts category-5 cable as its transmission medium, the maturation that possesses skills, the remarkable advantage that cost is low.But in the family of pre-buried this category-5 cable not, then go the choice for use category-5 cable to carry out network insertion as medium, have the high shortcoming of construction cost, these families are often all pre-buried simultaneously cable TV 75 Europe coaxial cables.

Yet, when the family access network adopts the cable TV 75 Europe coaxial cables that existed in subscriber household inside as transmission medium, difference according to the access principle, coaxial access device be divided into non-modulation and the modulation two kinds, non-modulation system use through improved Ethernet switch in return equipment carry out interconnected.The advantage of non-modulation system be can be at an easy rate for each user room provide 10M the half-duplex access bandwidth, can utilize the coaxial cable of present existence to save wiring cost.The switching equipment with modulation system work that can be used for coaxial cable optionally has: MoCA(Multimedia over Coax Alliance, the coaxial cable multimedia standard), HomePNA(Home Phoneline Network Alliance, home phoneline network) industry standard such as.What modulation system adopted is active equipment, its advantage is that transmission is stable, circuit adaptable.But its shortcoming is because each user room will adopt an active modulating equipment, so cost is higher.

Summary of the invention

The object of the present invention is to provide a kind of family expenses coaxial cable multi-service access system and method, to address the above problem.

In order to achieve the above object, technical scheme of the present invention is achieved in that

A kind of family expenses coaxial cable multi-service access system, comprise coaxial multi-service frequency division multiplexing device and wall board plug device, described coaxial multi-service frequency division multiplexing device and the communication connection of wall board plug device, wherein:

Described coaxial multi-service frequency division multiplexing device comprises cable TV input interface, a Wi-Fi interface, the first Ethernet network interface, mixed signal output interface and the first frequency division multiplexing device; The first frequency division multiplexing device communicates to connect with cable TV input interface, a Wi-Fi interface, the first Ethernet network interface, mixed signal output interface respectively; Described cable TV input interface is used for connecting 75 Europe cable tv coaxs; The first frequency division multiplexing device be used for the cable TV signal that will access and wired ethernet signal, Wi-Fi signal carry out multiplexing after, and by the multiplexing rear signal of described mixed signal output interface transmission;

Described wall board plug device comprises mixed signal access interface, cable TV output interface, the second Ethernet network interface and Wi-Fi antennal interface and the second frequency division multiplexing device; The second frequency division multiplexing device communicates to connect with cable TV output interface, Wi-Fi antennal interface, the second Ethernet network interface, mixed signal access interface respectively; Described the second frequency division multiplexing device is used for receiving described multiplexing rear signal by described mixed signal access interface, described multiplexing rear signal is carried out demultiplexing process, and separates cable TV signal, wired ethernet signal and Wi-Fi signal;

Described cable TV output interface is used for the cable TV signal after output separates; Described the second Ethernet network interface is used for the wired ethernet signal after output separates; Described Wi-Fi antennal interface is used for the Wi-Fi signal after output separates;

Wherein, the described mixed signal output interface on described coaxial multi-service frequency division multiplexing device is connected by 75 Europe coaxial cables with the described mixed signal access interface on the wall board plug device.

Correspondingly, the present invention also provides family expenses coaxial cable multi service access method, comprises the steps:

Be arranged on the cable TV signal of the first frequency division multiplexing device access on coaxial multi-service frequency division multiplexing device and wired ethernet signal, Wi-Fi signal carry out multiplexing after, send multiplexing rear signal;

The the second frequency division multiplexing device that is arranged on the wall board plug device receives the multiplexing rear signal that the first frequency division multiplexing device sends, and described multiplexing rear signal is carried out demultiplexing process, and separates cable TV signal, wired ethernet signal and Wi-Fi signal;

Cable TV signal after being arranged on cable TV output interface output on the wall board plug device and separating; Wired ethernet signal after the second Ethernet network interface output separates; The Wi-Fi antennal interface is used for the Wi-Fi signal after output separates.

Compared with prior art, the advantage of the embodiment of the present invention is:

A kind of family expenses coaxial cable multi-service access system provided by the invention and method, wherein, analyze the said system structure as can be known:

Cable TV input interface on coaxial multi-service frequency division multiplexing device can connect 75 Europe coaxial cables, can adjust existing family wire laying mode, need not to construct again, also be provided with simultaneously a Wi-Fi interface, the first Ethernet network interface, mixed signal output interface and the first frequency division multiplexing device; Above-mentioned each interface can ensure the multi-signal access, and simultaneously, the first frequency division multiplexing device communicates to connect with cable TV input interface, a Wi-Fi interface, the first Ethernet network interface, mixed signal output interface respectively; The first frequency division multiplexing device the cable TV signal of access and wired ethernet signal, Wi-Fi signal can be carried out multiplexing after, and by the multiplexing rear signal of described mixed signal output interface transmission;

The wall board plug device operated by rotary motion of the other end on the wall in room, connects above-mentioned coaxial multi-service frequency division multiplexing device by 75 Europe coaxial cables; The mixed signal access interface of wall board plug device receives multiplexing rear signal, by the second frequency division multiplexing device, multiplexing rear signal is carried out demultiplexing and processes, and separates cable TV signal, wired ethernet signal and Wi-Fi signal, completes the output of multi-signal.Obvious this networking mode is more flexible, and wired ethernet signal, cable TV signal and the WIFI wireless signal of output can support to adopt domestic consumer's terminal equipment of different access waies better simultaneously.For operator, this connecting system is reliable and reduced cost of access.For the user, can select does not arbitrarily need modulation /demodulation equipment by the wired or wireless network interface card access of computer.Especially, for the more situation in family room, can provide wired and wireless access way for each user room, these user's shared access equipment, can reduce use cost effectively.

The present invention is by merging multiplex technique and ethernet technology, optimized the networking plan of connecting system, perfect access network framework, can significantly reduce the broadband access cost when combining the multiple network signal transmission form, provide at a high speed, safe and reliable access rate.

Description of drawings

The structural representation of the family expenses coaxial cable multi-service access system that Fig. 1 provides for the embodiment of the present invention.

Embodiment

Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.

Referring to Fig. 1, the embodiment of the present invention provides a kind of family expenses coaxial cable multi-service access system, comprises coaxial multi-service frequency division multiplexing device 10 and wall board plug device 20, described coaxial multi-service frequency division multiplexing device 10 and 20 communication connections of wall board plug device, wherein:

Described coaxial multi-service frequency division multiplexing device 10 comprises cable TV input interface 101, a Wi-Fi interface 102, the first Ethernet network interface 103, mixed signal output interface 104 and the first frequency division multiplexing device 105; The first frequency division multiplexing device 105 communicates to connect with cable TV input interface 101, a Wi-Fi interface 102, the first Ethernet network interface 103, mixed signal output interface 104 respectively; Described cable TV input interface 101 is used for connecting 75 Europe cable tv coaxs 40; The first frequency division multiplexing device 105 be used for the cable TV signal that will access and wired ethernet signal, Wi-Fi signal carry out multiplexing after, and by the multiplexing rear signal of described mixed signal output interface transmission;

Described wall board plug device 20 comprises mixed signal access interface 201, cable TV output interface 202, the second Ethernet network interface 203 and Wi-Fi antennal interface 204 and the second frequency division multiplexing device 205; The second frequency division multiplexing device 205 communicates to connect with cable TV output interface 202, Wi-Fi antennal interface 204, the second Ethernet network interface 203, mixed signal access interface 201 respectively; Described the second frequency division multiplexing device 205 is used for receiving described multiplexing rear signal by described mixed signal access interface 201, described multiplexing rear signal is carried out demultiplexing process, and separate cable TV signal, wired ethernet signal and Wi-Fi signal;

Described cable TV output interface 202 is used for the cable TV signal after output separates; Described the second Ethernet network interface 203 is used for the wired ethernet signal after output separates; Described Wi-Fi antennal interface 204 is used for the Wi-Fi signal after output separates;

Wherein, the described mixed signal output interface on described coaxial multi-service frequency division multiplexing device is connected by 75 Europe coaxial cables with the described mixed signal access interface on the wall board plug device.

In embodiments of the present invention, analyze above-mentioned connecting system structure as can be known: the cable TV input interface on coaxial multi-service frequency division multiplexing device can connect 75 Europe coaxial cables, can adjust existing family wire laying mode, need not to construct again, also be provided with simultaneously a Wi-Fi interface, the first Ethernet network interface, mixed signal output interface and the first frequency division multiplexing device; Above-mentioned each interface can ensure the multi-signal access, and simultaneously, the first frequency division multiplexing device communicates to connect with cable TV input interface, a Wi-Fi interface, the first Ethernet network interface, mixed signal output interface respectively; The first frequency division multiplexing device the cable TV signal of access and wired ethernet signal, Wi-Fi signal can be carried out multiplexing after, and by the multiplexing rear signal of described mixed signal output interface transmission;

The wall board plug device operated by rotary motion of the other end on the wall in room, connects above-mentioned coaxial multi-service frequency division multiplexing device by 75 Europe coaxial cables equally; The mixed signal access interface of wall board plug device can receive multiplexing rear signal, then by the second frequency division multiplexing device, multiplexing rear signal being carried out demultiplexing processes, separate cable TV signal, wired ethernet signal and Wi-Fi signal, complete the output of multi-signal.Wired ethernet signal, cable TV signal and the WIFI wireless signal of output can support to adopt domestic consumer's terminal equipment of different access waies better simultaneously.For operator, this connecting system is reliable and reduced cost of access.For the user, can select does not arbitrarily need modulation /demodulation equipment by the wired or wireless network interface card access of computer.Especially, for the more situation in family room, can provide wired and wireless access way for each user room, these user's shared access equipment, can reduce use cost effectively.

The present invention is by merging multiplex technique and ethernet technology, optimized the networking plan of connecting system, perfect access network framework, can significantly reduce the broadband access cost when combining the multiple network signal transmission form, provide at a high speed, safe and reliable access rate.

The multi-service access system that the embodiment of the present invention provides has following significant advantage:

The cable TV 75 Europe coaxial cable mediums that utilized subscriber household inside to exist, do not need to carry out rewiring.The half-duplex access in radio bandwidth of 10M can be provided for each user room, be used for the access of cable data communication apparatus.

The cable TV 75 Europe coaxial cable mediums that utilized subscriber household inside to exist, extend to the user room with the WIFI signal and launch the problem that covers that solves again.Can, for each user room provides the WIFI wireless access, be used for the access of wireless data communication equipment.

In addition, whole family Access Network is shared Yi Tai center access device, has effectively reduced use cost.

Further, also comprise gateway device 30;

Described gateway device 30 and described coaxial multi-service frequency division multiplexing device 10 communication connections.

Preferably, the network side interface of described gateway device 30 comprises: telephone line interface (is used for the ADSL/VDSL access, not shown)/optical fiber interface (being used for the EPON/GPON access, not shown)/coaxial cable interface (EOC access)/Ethernet interface (switch access) 301;

The user side interface of described gateway device 30 comprises: LAN interface 302/ the 2nd Wi-Fi interface 303.

Need to prove: above-mentioned gateway device interface type and communication mode are a kind of embodiment of interface type of the gateway device of the family expenses coaxial cable multi-service access system that provides of the embodiment of the present invention, about other interface type embodiment of the present invention, repeat no longer one by one.

Preferably, the described Wi-Fi interface 102 on described coaxial multi-service frequency division multiplexing device 10 is by the 2nd Wi-Fi interface 303 on the 50 described gateway devices 30 of Europe coaxial cables connection.

Preferably, described the first Ethernet network interface 103 is by the LAN interface 302 on the Category-5 twisted pair 50 described gateway devices 30 of connection.

Further, described gateway device 30 also comprises electric supply installation 304;

Electric supply installation 304 on described gateway device 30 is electrically connected to described coaxial multi-service frequency division multiplexing device 10;

Described electric supply installation 304 is used for oppositely powering to described gateway device 30.

Preferably, described gateway device comprises switch, router, EOC terminal equipment, optical node or EPON/GPON terminal equipment.

Need to prove, ONU (Optical Network Unit) optical node, generally be called optical node the equipment that comprises optical receiver, up optical sender, a plurality of bridging amplifier network monitorings is housed.

EOC terminal equipment (Ethernet over Coax, EOC) is the ethernet device of coaxial cable, and the EOC terminal equipment is a modulator-demodulator with the higher level service ability; Be used for establishing a communications link with the EOC terminal that the cable TV optical node is installed, be used for the signal of the low frequency signal conversion Ethernet transmission of coaxial line transmission.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (8)

1. a family expenses coaxial cable multi-service access system, is characterized in that, comprises coaxial multi-service frequency division multiplexing device and wall board plug device; Described coaxial multi-service frequency division multiplexing device and the communication connection of described wall board plug device, wherein:

Described coaxial multi-service frequency division multiplexing device comprises cable TV input interface, a Wi-Fi interface, the first Ethernet network interface, mixed signal output interface and the first frequency division multiplexing device; The first frequency division multiplexing device communicates to connect with cable TV input interface, a Wi-Fi interface, the first Ethernet network interface, mixed signal output interface respectively; Described cable TV input interface is used for connecting 75 Europe cable tv coaxs; The first frequency division multiplexing device be used for the cable TV signal that will access and wired ethernet signal, Wi-Fi signal carry out multiplexing after, and by the multiplexing rear signal of described mixed signal output interface transmission;

Described wall board plug device comprises mixed signal access interface, cable TV output interface, the second Ethernet network interface, Wi-Fi antennal interface and the second frequency division multiplexing device; The second frequency division multiplexing device communicates to connect with cable TV output interface, Wi-Fi antennal interface, the second Ethernet network interface, mixed signal access interface respectively; Described the second frequency division multiplexing device is used for receiving described multiplexing rear signal by described mixed signal access interface, described multiplexing rear signal is carried out demultiplexing process, and separate cable TV signal, wired ethernet signal and Wi-Fi signal;

Described cable TV output interface is used for the cable TV signal after output separates; Described the second Ethernet network interface is used for the wired ethernet signal after output separates; Described Wi-Fi antennal interface is used for the Wi-Fi signal after output separates;

Wherein, the described mixed signal output interface on described coaxial multi-service frequency division multiplexing device is connected by 75 Europe coaxial cables with the described mixed signal access interface on the wall board plug device.

2. family expenses coaxial cable multi-service access system as claimed in claim 1, is characterized in that,

Also comprise gateway device;

Described gateway device and described coaxial multi-service frequency division multiplexing device communication connection.

3. family expenses coaxial cable multi-service access system as claimed in claim 2, is characterized in that,

The network side interface of described gateway device comprises: telephone line interface, optical fiber interface, coaxial cable interface, Ethernet interface;

The user side interface of described gateway device comprises: LAN interface, the 2nd Wi-Fi interface.

4. family expenses coaxial cable multi-service access system as claimed in claim 3, is characterized in that,

A described Wi-Fi interface on described coaxial multi-service frequency division multiplexing device is by the 2nd Wi-Fi interface on the 50 described gateway devices of Europe coaxial cables connection.

5. family expenses coaxial cable multi-service access system as claimed in claim 3, is characterized in that,

Described the first Ethernet network interface connects LAN interface on described gateway device by Category-5 twisted pair.

6. family expenses coaxial cable multi-service access system as claimed in claim 5, is characterized in that,

Described gateway device also comprises electric supply installation;

Electric supply installation on described gateway device is electrically connected to described coaxial multi-service frequency division multiplexing device;

Described electric supply installation is used for oppositely powering to described gateway device.

7. family expenses coaxial cable multi-service access system as claimed in claim 6, is characterized in that,

Described gateway device comprises EOC terminal equipment, optical node, switch or router.

8. a family expenses coaxial cable multi service access method, is characterized in that, comprises the steps:

Cable TV signal, wired ethernet signal and the Wi-Fi signal that is arranged on the first frequency division multiplexing device access on coaxial multi-service frequency division multiplexing device carry out multiplexing after, and send multiplexing rear signal;

The the second frequency division multiplexing device that is arranged on the wall board plug device receives the multiplexing rear signal that the first frequency division multiplexing device sends, and described multiplexing rear signal is carried out demultiplexing process, and separate cable TV signal, wired ethernet signal and Wi-Fi signal;

Cable TV signal after being arranged on cable TV output interface output on the wall board plug device and separating; Wired ethernet signal after the second Ethernet network interface output separates; Wi-Fi signal after the output of Wi-Fi antennal interface separates.