CN201156752Y

CN201156752Y - Blueteeth cable modem

Info

Publication number: CN201156752Y
Application number: CNU2007201878112U
Authority: CN
Inventors: 金纯�
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-26
Filing date: 2007-09-26
Publication date: 2008-11-26
Anticipated expiration: 2017-09-26

Abstract

The utility model relates to a Bluetooth cable modem, which comprises a RF radio frequency, a DOCSIS chip, a Flash module, a SDRAM module, a VOIP module, a RJ45 joint, a CODEC + SLIC, a Bluetooth antenna, a Bluetooth module and a power module. The VOIP module converts DOCSIS data and VOIP data; one MCBSP interface of the VOIP module is connected with and the CODEC+SLIC (a codec plus a user interface controller), for providing a channel from the digital audio to analog telephone; the other MCBSP interface is connected with the PCM interface of the Bluetooth module so as to transmit voice signals; the inside of the Bluetooth module adopts the Bluetooth baseband protocol, L2CAP, RFCOMM, BNEP, SDP, and other protocols and connects the Profile, which comprises a PAN, AGHSP, AGHFP, CTP and so on, with the DOCSIS chip through a UART interface so as transmit data and realize the wireless Bluetooth logging on the internet and the backward transmission of the control information. At the same time, the connection of the PCM interface and the VOIP chip realizes the Bluetooth wireless transmission of the voice data.

Description

Bluetooth Cable modem

Technical field

The utility model relates to relevant technical field such as Digital Television, bluetooth, is specifically related to a kind of bluetooth cable modem, belongs to the Bluetooth wireless technology field.

Background technology

In the Digital Television epoch, people wish to carry out more value-added services such as video request program.Though some area is carried out some demand (telecommunication) services, plays simple interactive game, is watched network information on the basis of bidirectional rebuilding now.Only these are not enough, need more value-added service, for example, and short message service, speech business such as IP telephone service.The important reasons that a lot of business are difficult to carry out is the carrying out of not supporting business of present terminal equipment such as set-top box, cable modem.The cable modem of band Bluetooth function will change this present situation.By transforming cable modem, make it to have function of Bluetooth communication, realize more value-added service, in digital TV network, realize the blue teeth wireless connecting system, shown in figure one and various bluetooth devices, carry out multiple value-added service.For example, transmitting-receiving SMS and by Broadcasting Cable Network calling IP phone function.For better carrying out value added service of digital television, the radio and TV operator provides terminal equipment.

Digital television bidirectional transformation and the translation engineering whole nation are progressively carried out.Coaxial cable is connected with the cable branch device, the cable branch device is divided into two-way: the one road inserts digital TV set-top box (television set) is used for the receiving digital television program, another road connects cable modem (Cable Modem) and is connected with computer, is used for the Internet online.Present cable modem does not have the function of Bluetooth communication, and the scope that provides of digital television business will be provided in the appearance of bluetooth cable modem.

Bluetooth is the technical standard of a kind of big capacity near radio digital communication, can reach 100 meters by increasing the transmitting power transmission range.Its transceiver is the ISM frequency band of 2.4GHz.Bluetooth technology obtains people's attention as a kind of zonule wireless interconnection technology.The equipment transmitting power of zonule wireless application system is little, helps the multiplexing of frequency resource, solved broadband and big this contradiction of capacity preferably, has also reduced electromagnetic wave simultaneously to harm that human body radiation produced.In addition, it can maximally utilise various permanent plants, helps connecting with the Internet.Bluetooth has low-power consumption, low cost and uses characteristics such as flexible.

Present cable modem does not also have the function of Bluetooth communication, and a lot of business of Digital Television can't be carried out, and the appearance of bluetooth cable modem will enlarge the service range of Digital Television.Bluetooth equipments such as bluetooth cable modem and bluetooth handheld device communicate, and cooperate to realize more short messages, IP phone, functions such as video request program.

The utility model content

Do not have the deficiency of function of Bluetooth communication at existing cable modem, the purpose of this utility model is to provide a kind of cable modem with function of Bluetooth communication, both can surf the Net, again can calling IP phone, gateway as household intelligent control, be used the realization value-added service with bluetooth equipment such as corresponding bluetooth handheld device, realize functions such as Smart Home and Long-distance Control.

For achieving the above object, the utility model adopts following technical scheme (with reference to the explanation to accompanying drawing two)

The cable modem of band bluetooth communication function, its feature is made up of following several sections: among the figure: RF radio frequency 10, Flash11, SDRAM12, DOCSIS chip 13, RJ45 joint 14, VOIP module 15, CODEC+SLIC16, bluetooth module and Bluetooth antenna 17, power supply 18.

Wherein, RF module 10 is used for receiving and the transmission radiofrequency signal; DOCSIS chip 13 is realized PHY, the MAC layer function of DOCSIS agreement, and DOCSIS chip 13 is built-in with Ethernet card, and built-in Ethernet card is connected to external system (as computer) by RJ45 interface 14, and function of surfing the Net is provided; FLASH11 and SDRAM12 are connected with DOCSIS chip 13 by data/address bus, as data storing and buffering; VOIP module 15 is finished the mutual conversion of DOCSIS data and VOIP data, and the DOCSIS data are unpacked, and VOIP packing data and DOCSIS chip 13 are realized voice intercommunication, sends to by DOCSIS chip 13 and realizes telephony feature in the cable TV network; 15 1 MCBSP mouths of VOIP module are connected with CODEC+SLIC16, and the passage from the digital audio to the analog telephone is provided, and another MCBSP mouth links to each other with the PCM mouth of bluetooth module 17, transmit voice signal; Bluetooth module 17 inner Bluetooth baseband protocol(BBP), L2CAP, RFCOMM, the agreements such as BNEP, SDP of realizing, and realize PAN, AGHSP, Profile such as AGHFP, CTP, with link to each other by the UART mouth between the DOCSIS chip 13, be used to transmit data, realize wireless blue tooth online and control information passback, also link to each other with the VOIP chip simultaneously, realize that the blue teeth wireless of speech data is propagated by the PCM mouth; Bluetooth module links to each other by the radio frequency cable with Bluetooth antenna.

Compared to existing technology, the utlity model has following advantage:

1, present cable modem does not have the function of Bluetooth communication, the present cable modem that will change of bluetooth cable modem does not have the present situation of function of Bluetooth communication, bluetooth cable modem absorbs digital TV field with the advantage of Bluetooth technology, and the low-power consumption of bluetooth, low cost and flexible characteristic are embodied fully at digital TV field.

2, bluetooth cable modem and band bluetooth handheld device are applied in the digital television system together, on the platform of one-way set-top box, realize point-to-point value-added service, carry out the intercommunication of multi-medium data, on digital TV network, realize business such as note, VOIP phone.

3, in Broadcasting Cable Network, realize the function of Bluetooth wireless on-line, the utility model is to provide a kind of cable modem with function of Bluetooth communication, gateway as household intelligent control, be used the realization value-added service with corresponding bluetooth handheld device, perhaps, realize functions such as Smart Home and Long-distance Control with other bluetooth devices.

Description of drawings

Accompanying drawing 1 has provided the blue teeth wireless connecting system, comprises core bluetooth cable modem, is used for the various bluetooth equipments of developing value-added services, as bluetooth infrared remote controller etc.

Accompanying drawing 2 has provided the structural representation of an indefiniteness embodiment of the utility model.

Referring to accompanying drawing 2, among the figure: RF radio frequency 10, Flash11, SDRAM12, DOCSIS chip 13, RJ45 joint 14, VOIP module 15, CODEC+SLIC16, bluetooth module and Bluetooth antenna 17, power supply 18.

Embodiment

Wherein, RF module 10 is used for receiving and the transmission radiofrequency signal, adopts the MT2060 of MicroTune; DOCSIS chip 13 adopts the TNETC4401 of TI company, realize PHY, the MAC layer function of DOCSIS agreement, DOCSIS chip 13 is built-in with Ethernet card, and built-in Ethernet card is connected to external system (as computer) by RJ45 interface 14, and function of surfing the Net is provided; FLASH11 and SDRAM12 are connected with DOCSIS chip 13 by data/address bus, as data storing and buffering; VOIP module 15 adopts the TNETV901 of TI company, finish the mutual conversion of DOCSIS data and VOIP data, to the DOCSIS data decode, VOIP packing data and DOCSIS chip 13 are realized voice intercommunication, send to by DOCSIS chip 13 and realize the IP phone function in the cable TV network; 15 1 MCBSP mouths of VOIP module are connected with CODEC+SLIC16, CODEC+SLIC16 (codec+user interface controller), adopt TCM38C17 and the HC5503 of TI respectively, passage from the digital audio to the analog telephone is provided, another MCBSP mouth links to each other with the PCM mouth of bluetooth module 17, transmits voice signal; Bluetooth module 17 adopts the BlueCore4 of CSR company, inner Bluetooth baseband protocol(BBP), L2CAP, RFCOMM, the agreements such as BNEP, SDP of realizing, and realize PAN, AGHSP, Profile such as AGHFP, CTP, with link to each other by the UART mouth between the DOCSIS chip 13, be used to transmit data, realize wireless blue tooth online and control information passback, also link to each other with the VOIP chip simultaneously, realize that the blue teeth wireless of speech data is propagated by the PCM mouth; Bluetooth module links to each other by the radio frequency cable with Bluetooth antenna.

Claims

1, the cable modem of band bluetooth communication function, its feature is made up of following several sections: RF radio frequency (10), Flash (11), SDRAM (12), DOCSIS chip (13), RJ45 joint (14), VOIP module (15), CODEC+SLIC (16), bluetooth module and Bluetooth antenna (17), power supply (18).

RF module (10) is used for receiving and the transmission radiofrequency signal;

DOCSIS chip (13) is realized PHY, the MAC layer function of DOCSIS agreement; DOCSIS chip (13) is built-in with Ethernet card, and built-in Ethernet card is connected to external system (as computer) by RJ45 interface (14), and function of surfing the Net is provided;

FLASH (11) and SDRAM (12) are connected with DOCSIS chip (13) by data/address bus, as data storing and buffering;

VOIP module (15) is finished the mutual conversion of DOCSIS data and VOIP data, to the DOCSIS data decode, VOIP packing data and DOCSIS chip (13) are realized voice intercommunication, send to by DOCSIS chip (13) and realize the IP phone function in the cable TV network;

(15) MCBSP mouths of VOIP module are connected with CODEC+SLIC (16), and the passage from the digital audio to the analog telephone is provided, and another MCBSP mouth links to each other with the PCM mouth of bluetooth module (17), transmit voice signal;

Inner Bluetooth baseband protocol(BBP), L2CAP, RFCOMM, the agreements such as BNEP, SDP of realizing of bluetooth module (17), and realize PAN, AGHSP, Profile such as AGHFP, CTP, with link to each other by the UART mouth between the DOCSIS chip (13), be used to transmit data, realize wireless blue tooth online and control information passback, also link to each other with the VOIP chip simultaneously, realize that the blue teeth wireless of speech data is propagated by the PCM mouth;

Bluetooth module links to each other by the radio frequency cable with Bluetooth antenna.

2, bluetooth cable modem according to claim 1, it is characterized in that described service receiving equipment is meant the electric equipment that receives specified services, as, bluetooth infrared remote controller, television set, computer, mobile phone, the air-conditioning that receiving function is arranged, automobile, warning, supervising device, phone, STB and have the receiving equipment of Bluetooth function.