CN204305367U - A kind of Home eNodeB being applied to LTE system - Google Patents
A kind of Home eNodeB being applied to LTE system Download PDFInfo
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- CN204305367U CN204305367U CN201520009457.9U CN201520009457U CN204305367U CN 204305367 U CN204305367 U CN 204305367U CN 201520009457 U CN201520009457 U CN 201520009457U CN 204305367 U CN204305367 U CN 204305367U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a kind of Home eNodeB being applied to LTE system, comprise Base-Band Processing control unit, RS232 communication unit, memory cell, power supply unit, clock unit, radio frequency unit, Ethernet unit, LED unit, SIM unit, described Base-Band Processing control unit is core cell, complete relevant Base-Band Processing and function control, the utility model provides mobile service by fixing access, for traditional home gateway adds mobile access function, i.e. voice, data and video can realize over the mobile network, Home eNodeB accesses as its backhaul by means of fixed broadband, greatly can reduce network investment, big data quantity fast transport is provided, transfer rate is high, speed is fast, the communication need of multiple user can be met simultaneously, the utility model has the characteristic of plug and play, is user-friendly to, and has better indoor coverage of signal, and not only the quality of traditional business is more secure, also makes user mobile phone power saving more.
Description
Technical field
The utility model belongs to field of mobile communication, is specifically related to a kind of Home eNodeB being applied to LTE system.
Background technology
Home eNodeB (Femtocell) is also Home nodeB or home access point, home access device, it has 1 carrier wave, transmitting power is 10 to 100 milliwatts (similar with the AP of WiFi), and covering radius is 50 to 200 meters, supports 4 to 8 active users.Use IP (Internet Protocol) agreement, connected by broadband networks such as user existing ADSL, LAN, far-end realizes the connection from IP network to mobile network by dedicated gateway.There is the feature of easy for installation, automatic configuration, automatically network planning, plug and play.
Femtocell has the product being applicable to the various standard such as CDMA, GSM, UMTS, TD-SCDMA, and with the same standard in other mobile base station of operator, with frequency range or alien frequencies section, therefore the mobile terminal such as mobile phone can be general.The subminaturization mobile base station Femtocell that domestic and international communication producer releases, is subject to concern and the promotion of numerous operator always.But their product is all support GSM and WCDMA, TD-SCDMA standard, along with Mobile Communication Development is to based on LTE(Long Term Evolution) standard (4G standard).Original Home eNodeB can not meet instructions for use, and specifically, original Home eNodeB is suitable for frequency range, does not comprise and being not suitable with based on LTE standard communicating requirement based on the communication frequency of LTE standard, original communication data chain transmission speed.
Utility model content
It is large that the utility model technical issues that need to address are to provide a kind of volume of transmitted data, and speed is fast, and indoor coverage of signal is good, the easy to use Home eNodeB being applied to LTE system.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of Home eNodeB being applied to LTE system, comprise Base-Band Processing control unit, RS232 communication unit, memory cell, power supply unit, clock unit, radio frequency unit, Ethernet unit, LED unit, described Base-Band Processing control unit is core cell, complete relevant Base-Band Processing and function control, Base-Band Processing control unit and RS232 communication unit, memory cell, radio frequency unit, Ethernet unit all adopts and is bi-directionally connected, realize the transmitted in both directions of communication data or control data, power supply unit by level conversion for unit each in base station provides required power supply, the output of clock unit connects the input of Base-Band Processing control unit and radio frequency unit, clock unit is for generation of clock frequency, clock source is provided for needing the unit of clock, the input of LED unit connects the output of Base-Band Processing control unit, LED unit is for showing base station operation state and fault alarm.
Further, also comprise SIM unit, described SIM unit arranges SIM slot, SIM unit and Base-Band Processing control unit are bi-directionally connected, and realize bidirectional data transfers with SIM.
Further, described Ethernet unit comprises Ethernet interface, for connecting wired ethernet device.
Further, described radio frequency unit arranges antennal interface, interface connects antenna, this unit comprises duplexer, wave filter, low-noise amplifier, frequency mixer, power amplifier, Received signal strength receives through duplexer, filter filtering is sent into low-noise amplifier and amplified, amplify feeding base band reason control unit through frequency mixer mixing, power amplifier again, the signal exported by Base-Band Processing control unit is sent into duplexer launch through power amplifier amplification, frequency mixer mixing, filter filtering.Described antenna adopts omnidirectional antenna.
Further, the acp chip of described Base-Band Processing control unit adopts Freescale MSC8156 dsp processor.
Owing to have employed technique scheme, the technological progress that the utility model obtains is:
The utility model is based on LTE standard, integrated Ethernet unit, SIM unit, mobile service is provided by fixing access, for traditional home gateway adds mobile access function, namely voice, data and video can realize over the mobile network, Home eNodeB accesses as its backhaul by means of fixed broadband, and owing to not having site to choose and building the inputs such as maintenance, therefore the deployment of Home eNodeB can reduce network investment greatly, big data quantity fast transport is provided, transfer rate is high, and speed is fast, can meet the communication need of multiple user simultaneously; The utility model has the characteristic of plug and play, and make user not need complicated Install and configure work just can use Home eNodeB business, have better indoor coverage of signal, not only the quality of traditional business is more secure, also makes user mobile phone power saving more.
Accompanying drawing explanation
Fig. 1 is the utility model theory diagram;
Fig. 2 is the utility model software architecture figure.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further details:
The utility model relates to the Home eNodeB being applied to LTE system in a kind of moving communicating field, accounts for that the ratio of total business volume is more and more higher, data volume is the problem that geometric progression increases, information transmission speed is slow for solving the data service of mobile communication high speed; Solve the problem that wireless signal is more weak to the penetration capacity of building masonry wall in indoor environment, in-door covering quality is unsatisfactory of high band, for operator provides a kind of feasible fixed estropia scheme simultaneously.
The utility model network architecture aspect, is integrated in the partial function of traditional base station and base station controller in household base station device.Like this, the isolated node in network can be reduced, network end-to-end time delay is reduced (reducing about 40%) greatly, thus greatly strengthens the experience of terminal use when using high-speed data service and real time business, the minimizing of node simultaneously also substantially increases the reliability of network; Adopt the mode in ADSL broadband by Home eNodeB core network access; What adopt the method for master-slave synchronisation to realize between Home eNodeB is synchronous;
Self-configuring and self-optimizing aspect, the utility model base station performs descending detection, and scanning neighboring area signal, plans frequency automatically, and scanning common-frequency cell signal, plans scrambler automatically, according to signal strength signal intensity, adjustment pilot power.
Design of the present utility model is divided into hardware design and Software for Design two parts:
(1) hardware design
As shown in Figure 1, the utility model comprises baseband portion and radio frequency part, baseband portion with Freescale MSC8156 dsp processor for core, a veneer is integrated with all hardware realizing wireless base station process and controlling functions, and baseband portion comprises Base-Band Processing control unit, RS232 communication unit, memory cell, power supply unit, clock unit, Ethernet unit, LED unit, SIM unit.Base-Band Processing control unit and RS232 communication unit, memory cell, radio frequency unit, Ethernet unit all adopt and are bi-directionally connected, and realize the transmitted in both directions of communication data or control data, complete relevant Base-Band Processing and function control.Radio frequency part comprises radio frequency unit, completes radio-frequency enabled, realizes the transmitting-receiving of wireless data.This practicality is wanted to adopt baseband portion to coordinate with suitable radio frequency unit (radio frequency part), designs low cost, high performance Home eNodeB.
(1) Base-Band Processing control unit: the utility model adopts Freescale MSC8156 dsp processor as baseband processing unit, and realizing relevant Base-Band Processing and controlling functions, is the core of family base station system.The Home eNodeB physical layer based on LTE standard designed and developed, MAC layer program and application layer program will by programming in this acp chips, and its function determines overall performance and the cost of Home eNodeB product; Also be the difference place with 2G, 3G mobile communication Home eNodeB.
(2) Ethernet unit: be bi-directionally connected with Base-Band Processing control unit, integrated Ethernet interface, the online realizing the wired ethernet equipment such as computer in home environment connects.
(3) SIM unit: described SIM unit arranges SIM slot, SIM unit and Base-Band Processing control unit are bi-directionally connected, and realize bidirectional data transfers with SIM.This SIM unit needs based on operator's fixed estropia and designs, by SIM is arranged on Home eNodeB, the all terminal devices being linked into Home eNodeB externally adopt identical number, all costs are all recorded on a memo ticket, the SIM number that operator only need control household base station device can realize unified certification to terminal device various in Home eNodeB coverage and a card charging, in Home eNodeB whole system, have special meaning;
(4) power supply unit: the effect of power supply unit obtains each unit of base station system by level conversion normally to work required voltage, for each unit provides required power supply, and monitors the change conditions of each cell voltage, ensure the normal work of product;
(5) RS232 unit: be bi-directionally connected with Base-Band Processing control unit, integrated RS233 communication interface, facilitates the AccessPort of base station;
(6) LED unit: the input of LED unit connects the output of Base-Band Processing control unit, and LED unit is for showing the duty of unit; Normal condition or malfunction, and energy and alarm, be convenient to product development, debugging and operation;
(7) memory cell: memory cell is mainly used to the configuration information of saved system, stores interim order and data etc.;
(8) clock unit: the output of clock unit connects the input of Base-Band Processing control unit and radio frequency unit, clock unit is for generation of clock frequency, for needing the unit of clock to provide clock source, clock unit comprises the clock frequency that some oscillators and phaselocked loop are used for needed for generation system;
(9) radio frequency unit: the Main Function of radio frequency unit is that the amplification carrying out signal sends and receives, primarily of duplexer, wave filter, low-noise amplifier, frequency mixer, power amplifier forms, Received signal strength receives through duplexer, filter filtering is sent into low-noise amplifier and is amplified, again through frequency mixer (down coversion) mixing, power amplifier (intermediate frequency amplifier) amplifies sends into base band reason control unit, the signal exported by Base-Band Processing control unit amplifies through power amplifier (intermediate frequency amplifier), frequency mixer (up-conversion) mixing, filter filtering is sent into duplexer and is carried out signal transmitting.Duplexer is used for the transmitting-receiving of radiofrequency signal, and be common circuit, other is all independent alone circuit, radio frequency unit arranges antennal interface, interface connects antenna, the transmitting-receiving of radiofrequency signal is all come by antenna, antenna is connected with duplexer, and described antenna adopts omnidirectional antenna.
(2) Software for Design
The overall architecture of Software for Design, as shown in Figure 2, it is formed primarily of two logic modules: signal processing module (layer 0 module), management and dispatching module (layer 1 module).Two interfaces corresponding to module: layer 1 interface of layer 0 interface, management and dispatching module and primary processor between signal processing module and management and dispatching module.
Layer 0 realizes Home eNodeB physical layer signal processing capacity, the interface of standard is provided to layer 1 and Radio Frequency Subsystem, layer 1 realizes the management and dispatching function of Home eNodeB physical layer, provides the interface of standard, be used for realizing chain of command, user face and OAM process to ARM subsystem.
The acp chip (MSC8156 DSP) selected in hardware plan design has been integrated with the major function of signal processing module, complete chip, symbol and the process of sample level rate physical layer, comprise modulation, coding, spread spectrum etc., realize in the Pico array in primary processor.
Software is under Linux environment, and the ARM subsystem development handbook according to acp chip is developed, and realizes running in the ARM subsystem in primary processor.
The utility model adopts integrated net configuration formula, the self-configuring of master-slave synchronisation method and descending detection and self-optimizing method, select Freescale MSC8156 dsp processor as the acp chip of Base-Band Processing control unit, integrated SIM unit, Ethernet unit, the communication requirement of indoor nearly 8 users can be met, the problem of the current in-door covering deficiency of effective solution, unique SIM is designed to operator simultaneously provides a kind of feasible fixed estropia scheme.
Claims (6)
1. one kind is applied to the Home eNodeB of LTE system, it is characterized in that: comprise Base-Band Processing control unit, RS232 communication unit, memory cell, power supply unit, clock unit, radio frequency unit, Ethernet unit, LED unit, described Base-Band Processing control unit is core cell, complete relevant Base-Band Processing and function control, Base-Band Processing control unit and RS232 communication unit, memory cell, radio frequency unit, Ethernet unit all adopts and is bi-directionally connected, realize the transmitted in both directions of communication data or control data, power supply unit by level conversion for unit each in base station provides required power supply, the output of clock unit connects the input of Base-Band Processing control unit and radio frequency unit, clock unit is for generation of clock frequency, clock source is provided for needing the unit of clock, the input of LED unit connects the output of Base-Band Processing control unit, LED unit is for showing base station operation state and fault alarm.
2. a kind of Home eNodeB being applied to LTE system according to claim 1, characterized by further comprising SIM unit, described SIM unit arranges SIM slot, and SIM unit and Base-Band Processing control unit are bi-directionally connected, and realize bidirectional data transfers with SIM.
3. a kind of Home eNodeB being applied to LTE system according to claim 1, is characterized in that described Ethernet unit comprises Ethernet interface, for connecting wired ethernet device.
4. a kind of Home eNodeB being applied to LTE system according to claim 1, it is characterized in that described radio frequency unit arranges antennal interface, interface connects antenna, this unit comprises duplexer, wave filter, low-noise amplifier, frequency mixer, power amplifier, Received signal strength receives through duplexer, filter filtering is sent into low-noise amplifier and is amplified, again through frequency mixer mixing, power amplifier amplifies sends into base band reason control unit, the signal exported by Base-Band Processing control unit amplifies through power amplifier, frequency mixer mixing, filter filtering is sent into duplexer and is launched.
5. a kind of Home eNodeB being applied to LTE system according to claim 1, is characterized in that described antenna adopts omnidirectional antenna.
6. a kind of Home eNodeB being applied to LTE system according to claim 1, is characterized in that the acp chip of described Base-Band Processing control unit adopts Freescale MSC8156 dsp processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520009457.9U CN204305367U (en) | 2015-01-08 | 2015-01-08 | A kind of Home eNodeB being applied to LTE system |
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| CN201520009457.9U CN204305367U (en) | 2015-01-08 | 2015-01-08 | A kind of Home eNodeB being applied to LTE system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131977A (en) * | 2016-06-16 | 2016-11-16 | 苏州安控物联网科技有限公司 | A kind of micro-base station system of portable Internet of Things |
| CN106998545A (en) * | 2016-01-26 | 2017-08-01 | 大唐移动通信设备有限公司 | Network rate method, device and Home eNodeB, core network element |
| CN113395727A (en) * | 2018-08-30 | 2021-09-14 | 河南信安通信技术股份有限公司 | Hot spot collecting device |
-
2015
- 2015-01-08 CN CN201520009457.9U patent/CN204305367U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998545A (en) * | 2016-01-26 | 2017-08-01 | 大唐移动通信设备有限公司 | Network rate method, device and Home eNodeB, core network element |
| CN106131977A (en) * | 2016-06-16 | 2016-11-16 | 苏州安控物联网科技有限公司 | A kind of micro-base station system of portable Internet of Things |
| CN113395727A (en) * | 2018-08-30 | 2021-09-14 | 河南信安通信技术股份有限公司 | Hot spot collecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: RENTIAN COMMUNICATION GROUP CO., LTD. Free format text: FORMER NAME: HEBEI RENTIAN TELECOM TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 050035, A District, 136 the Yellow River Road, Shijiazhuang hi tech Development Zone, Hebei, 16 Patentee after: Man sky Communication Group Limited Address before: 050035 A District, 136 the Yellow River Road, Shijiazhuang high tech Zone, Yuhua District, Hebei, 16 Patentee before: Hebei Rentian Telecom Technology Co., Ltd. |