CN106058401A - LTE point of interface applied to MIMO system - Google Patents
LTE point of interface applied to MIMO system Download PDFInfo
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- CN106058401A CN106058401A CN201610607076.XA CN201610607076A CN106058401A CN 106058401 A CN106058401 A CN 106058401A CN 201610607076 A CN201610607076 A CN 201610607076A CN 106058401 A CN106058401 A CN 106058401A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses an LTE point of interface (POI) applied to an MIMO system, comprising multiple signal input ports, multiple bridges, two multi-frequency combiners, and two signal output ports. Every two of the multiple signal input ports are connected with the input port of one bridge. The two output ports of each bridge are respectively connected with the input ports of the two multi-frequency combiners. The output port of the first multi-frequency combiner is connected with the first signal output port, and the output port of the second multi-frequency combiner is connected with the second signal output port. The POI can combine multiple channels of signals, can realize combination of signals of more than 10 frequencies through expansion, has two signal output ports, and can meet the requirement for two MIMO networking channels in LTE network construction and meet the requirement of LTE new-generation mobile communication multi-band signal combining for a dual-port antenna feeder network.
Description
Technical field
The present invention relates to a kind of LTE multisystem mixing platform for mimo system.
Background technology
MIMO(Multiple-Input Multiple-Output) it is called for short multiple-input, multiple-output, it is in 1908 the earliest by Marconi
Year proposes, and it utilizes the most independently transmitted signal of multiple antennas of transmitting terminal, receives also with multiple antennas at receiving terminal simultaneously
Recover prime information, it is possible to realize reaching higher user rate with less cost.Its operation principle be at transmitting terminal and
Receiving terminal uses multiple transmitting antenna and reception antenna respectively, the multiple antennas making signal pass through transmitting terminal and receiving terminal transmit and
Receive, thus improve communication quality.It can make full use of space resources, realizes MIMO by multiple antennas, is not increasing
In the case of power launched by frequency spectrum resource and antenna, system channel capacity can be increased exponentially, demonstrate obvious advantage, quilt
It is considered as one of core technology of LTE mobile communication.
In indoor distributed system is built, showing according to related data, two kinds of LTE system of single channel and the dual pathways run mould
Comparing under formula, in dual pathways LTE system, downlink system data throughout is in increasing considerably, and entire system capacity has nearly 50%
The lifting of left and right.Due to the 4G LTE epoch, user is huge to data transmission demand, and single channel indoor distributed system is
Cannot meet data transportation requirements, dual pathways indoor distributed system will become the optimal solution of internal home network compartment system.
The multisystem mixing platform (being called for short POI) using two-way output in dual pathways indoor distributed system progressively obtains telecom operators
Approval.Multisystem mixing platform (being called for short POI) refers to the spy between multisystem base station information source and indoor distributed system antenna feeder
Locking equipment, it is equivalent to performance indications higher conjunction pipeline equipment, and the downstream signal of multisystem base station information source carries out closing road defeated
Going out to the antenna feeder equipment of indoor distributed system, the upward signal branch from antenna feeder equipment is exported to each system by opposite direction simultaneously
Information source.As the LTE network of Duo Jia operator Joint construction and sharing, multisystem mixing platform (POI) receives extensively attention, in communication
Networking is progressively developed and universal.Which overcome that existing conjunction road system exists in actual applications following not
Foot:
(1) existing combiner mostly is the system conjunction road of two to three frequency ranges simple, it is impossible to meet the multiple frequency range of multi-operator
The networking demand of multiple types, cannot meet three big operator 2G/3G/4G systems and build Shi He road demand simultaneously；
(2) existing combiner mostly is simple two and enters one and go out or three enter the system that outes and close road, it is impossible to meets LTE network and builds
If the dual pathways demand of middle MIMO networking, LTE next-generation mobile communications multi-band signal cannot be met and close road to dual-port antenna feeder
Network demand；
(3) dilatation difficulty, application scenarios is by certain limitation；
(4) interference between the multiple successive bands of multi-operator it is difficult to avoid that.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of LTE polyphyly integration for mimo system
Channel platform, it is possible to carry out the conjunction road of multi channel signals, can reach the ten above signals of frequency by extension and closes road, have two signals defeated
Go out port, the twin-channel demand of MIMO networking during LTE network is built can be met.
It is an object of the invention to be achieved through the following technical solutions: a kind of LTE polyphyly integration for MIMO system
Channel platform, it includes multiple signal input port, multiple electric bridge, two multiplefrequency mixers and two signal output ports, multiple
The input port of every two-way of signal input port and an electric bridge connects, two output ports of electric bridge respectively with two multifrequencies
The input port of combiner connects, and the output port of the first multiplefrequency mixer and the first signal output port connect, the second multifrequency
The output port of combiner is connected with secondary signal output port.
Described signal input port is six, and electric bridge is three, and multiplefrequency mixer is tri-frequency combiner；
Closing channel platform and also include a dual-frequency channel merger, the first signal input port is connected with the input of dual-frequency channel merger, the
Binary signal input port with the second input of dual-frequency channel merger be connected, the outfan of dual-frequency channel merger connects the first electric bridge
Input port；The first input end of the 3rd signal input port and the second electric bridge connects, the 4th signal input port and the second electricity
Second input of bridge connects；The first input end of the 5th signal input port and the 3rd electric bridge connects, the 6th signal input part
Mouthful be connected with the second input of the 3rd electric bridge, the outfan of three electric bridges respectively with the input company of two tri-frequency combiners
Connecing, the outfan of the first tri-frequency combiner and the first signal output port connect, the outfan of the second tri-frequency combiner and second
Signal output port connects.
The described input port that the first signal input port is telecommunications CDMA800 frequency band signals.
The described input port that secondary signal input port is UNICOM's GSM900 frequency band signals.
The described input port that the 3rd signal input port is telecommunications LTE FDD1.8G frequency band signals.
The described input port that the 4th signal input port is UNICOM's LTE FDD1.8G frequency band signals.
The described input port that the 5th signal input port is telecommunications LTE FDD2.1G frequency band signals.
The described input port that the 6th signal input port is UNICOM's WCDMA frequency band signals.
Described dual-frequency channel merger is CDMA/GSM combiner.
Described tri-frequency combiner is CDMA&GSM/FDD1.8G/ FDD2.1G combiner.
The invention has the beneficial effects as follows: the invention provides a kind of LTE multisystem mixing platform for mimo system, energy
Enough carry out the conjunction road of multi channel signals, can reach the ten above signals of frequency by extension and close road, there are two signal output ports, can
Meet the twin-channel demand of MIMO networking during LTE network is built.
(1) present invention can meet the conjunction road of six frequency band signals, be can reach the conjunction of the ten above signals of frequency by system extension
Road；
(2) present invention has two signal output ports, can meet the twin-channel demand of MIMO networking during LTE network is built；
(3) present invention uses modularized design, has good dilatation performance, easy to maintenance, can meet different system/frequency range
Demand.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of LTE multisystem mixing platform for MIMO system.
Detailed description of the invention
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
The following stated.
As it is shown in figure 1, a kind of LTE multisystem mixing platform for MIMO system, it includes multiple signal input part
Mouth, multiple electric bridge, two multiplefrequency mixers and two signal output ports, every two-way of multiple signal input ports and an electricity
The input port of bridge connects, and two output ports of electric bridge input port with two multiplefrequency mixers respectively is connected, more than first
The output port of frequency combiner and the first signal output port connect, and the output port of the second multiplefrequency mixer is defeated with secondary signal
Go out port to connect.
Described signal input port is six, and electric bridge is three, and multiplefrequency mixer is tri-frequency combiner；
Closing channel platform and also include a dual-frequency channel merger, the first signal input port is connected with the input of dual-frequency channel merger, the
Binary signal input port with the second input of dual-frequency channel merger be connected, the outfan of dual-frequency channel merger connects the first electric bridge
Input port；The first input end of the 3rd signal input port and the second electric bridge connects, the 4th signal input port and the second electricity
Second input of bridge connects；The first input end of the 5th signal input port and the 3rd electric bridge connects, the 6th signal input part
Mouthful be connected with the second input of the 3rd electric bridge, the outfan of three electric bridges respectively with the input company of two tri-frequency combiners
Connecing, the outfan of the first tri-frequency combiner and the first signal output port connect, the outfan of the second tri-frequency combiner and second
Signal output port connects.
The described input port that the first signal input port is telecommunications CDMA800 frequency band signals.
The described input port that secondary signal input port is UNICOM's GSM900 frequency band signals.
The described input port that the 3rd signal input port is telecommunications LTE FDD1.8G frequency band signals.
The described input port that the 4th signal input port is UNICOM's LTE FDD1.8G frequency band signals.
The described input port that the 5th signal input port is telecommunications LTE FDD2.1G frequency band signals.
The described input port that the 6th signal input port is UNICOM's WCDMA frequency band signals.
Described dual-frequency channel merger is CDMA/GSM combiner.
Described tri-frequency combiner is CDMA&GSM/FDD1.8G/ FDD2.1G combiner.
The conjunction channel platform of the present invention can carry out the conjunction road of multi channel signals, can reach the ten above signals of frequency by extension and closes
Road, has two signal output ports, can meet the twin-channel demand of MIMO networking during LTE network is built.Meet LTE a new generation
Mobile communication multi-band signal closes road, dual-port antenna feeder network demand.
Claims (10)
1. the LTE multisystem mixing platform for MIMO system, it is characterised in that: it include multiple signal input port,
Multiple electric bridges, two multiplefrequency mixers and two signal output ports, every two-way of multiple signal input ports and an electric bridge
Input port connect, two output ports of electric bridge input port with two multiplefrequency mixers respectively is connected, the first multifrequency
The output port of combiner and the first signal output port connect, and the output port of the second multiplefrequency mixer exports with secondary signal
Port connects.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 1, it is characterised in that: described
Signal input port be six, electric bridge is three, and multiplefrequency mixer is tri-frequency combiner；
Closing channel platform and also include a dual-frequency channel merger, the first signal input port is connected with the input of dual-frequency channel merger, the
Binary signal input port with the second input of dual-frequency channel merger be connected, the outfan of dual-frequency channel merger connects the first electric bridge
Input port；The first input end of the 3rd signal input port and the second electric bridge connects, the 4th signal input port and the second electricity
Second input of bridge connects；The first input end of the 5th signal input port and the 3rd electric bridge connects, the 6th signal input part
Mouthful be connected with the second input of the 3rd electric bridge, the outfan of three electric bridges respectively with the input company of two tri-frequency combiners
Connecing, the outfan of the first tri-frequency combiner and the first signal output port connect, the outfan of the second tri-frequency combiner and second
Signal output port connects.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 2, it is characterised in that: described
The input port that the first signal input port is telecommunications CDMA800 frequency band signals.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 2, it is characterised in that: described
The input port that secondary signal input port is UNICOM's GSM900 frequency band signals.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 2, it is characterised in that: described
The input port that the 3rd signal input port is telecommunications LTE FDD1.8G frequency band signals.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 2, it is characterised in that: described
The input port that the 4th signal input port is UNICOM's LTE FDD1.8G frequency band signals.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 2, it is characterised in that: described
The input port that the 5th signal input port is telecommunications LTE FDD2.1G frequency band signals.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 2, it is characterised in that: described
The input port that the 6th signal input port is UNICOM's WCDMA frequency band signals.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 2, it is characterised in that: described
Dual-frequency channel merger be CDMA/GSM combiner.
A kind of LTE multisystem mixing platform for mimo system the most according to claim 2, it is characterised in that: described
Tri-frequency combiner be CDMA&GSM/FDD1.8G/ FDD2.1G combiner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607076.XA CN106058401A (en) | 2016-07-29 | 2016-07-29 | LTE point of interface applied to MIMO system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607076.XA CN106058401A (en) | 2016-07-29 | 2016-07-29 | LTE point of interface applied to MIMO system |
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| Publication Number | Publication Date |
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| CN106058401A true CN106058401A (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610607076.XA Pending CN106058401A (en) | 2016-07-29 | 2016-07-29 | LTE point of interface applied to MIMO system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856411A (en) * | 2017-02-22 | 2017-06-16 | 京信通信系统（中国）有限公司 | POI equipment and method are held in a kind of thermal expansion |
| CN114696055A (en) * | 2022-04-02 | 2022-07-01 | 京信射频技术(广州)有限公司 | Multi-path same-frequency combiner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201156741Y (en) * | 2008-02-05 | 2008-11-26 | 上海网兴国际贸易有限公司 | Integrated access equipment system |
| CN202395993U (en) * | 2011-12-21 | 2012-08-22 | 深圳市沃能通信技术有限公司 | Multi-system combining platform in mobile communication |
| CN204425363U (en) * | 2015-03-27 | 2015-06-24 | 四川天邑康和通信股份有限公司 | A kind of LTE tetra-enters two and goes out multi channel signals conjunction road system |
| CN205828616U (en) * | 2016-07-29 | 2016-12-21 | 四川天邑康和通信股份有限公司 | A kind of LTE multisystem mixing platform for mimo system |
-
2016
- 2016-07-29 CN CN201610607076.XA patent/CN106058401A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201156741Y (en) * | 2008-02-05 | 2008-11-26 | 上海网兴国际贸易有限公司 | Integrated access equipment system |
| CN202395993U (en) * | 2011-12-21 | 2012-08-22 | 深圳市沃能通信技术有限公司 | Multi-system combining platform in mobile communication |
| CN204425363U (en) * | 2015-03-27 | 2015-06-24 | 四川天邑康和通信股份有限公司 | A kind of LTE tetra-enters two and goes out multi channel signals conjunction road system |
| CN205828616U (en) * | 2016-07-29 | 2016-12-21 | 四川天邑康和通信股份有限公司 | A kind of LTE multisystem mixing platform for mimo system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856411A (en) * | 2017-02-22 | 2017-06-16 | 京信通信系统（中国）有限公司 | POI equipment and method are held in a kind of thermal expansion |
| WO2018153163A1 (en) * | 2017-02-22 | 2018-08-30 | 京信通信系统（中国）有限公司 | Thermal capacity expansion poi device and method |
| CN106856411B (en) * | 2017-02-22 | 2019-04-30 | 京信通信系统（中国）有限公司 | POI equipment and method are held in a kind of thermal expansion |
| CN114696055A (en) * | 2022-04-02 | 2022-07-01 | 京信射频技术(广州)有限公司 | Multi-path same-frequency combiner |
| CN114696055B (en) * | 2022-04-02 | 2023-10-27 | 京信射频技术(广州)有限公司 | Multipath same-frequency combiner |
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Application publication date: 20161026 |
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| RJ01 | Rejection of invention patent application after publication |