CN103268973A - Indoor leaky cable antenna and coverage system thereof - Google Patents
Indoor leaky cable antenna and coverage system thereof Download PDFInfo
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- CN103268973A CN103268973A CN2013102324886A CN201310232488A CN103268973A CN 103268973 A CN103268973 A CN 103268973A CN 2013102324886 A CN2013102324886 A CN 2013102324886A CN 201310232488 A CN201310232488 A CN 201310232488A CN 103268973 A CN103268973 A CN 103268973A
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Abstract
The invention discloses an indoor leaky cable antenna which comprises a 1/2' leaky cable, wherein a load is connected to one end of the 1/2' leaky cable; and a connector is connected to the other end of the 1/2' leaky cable. The coverage system for the indoor leaky cable antenna comprises a signal source, a combiner/shunt, a coupler, a power divider and an indoor leaky cable, wherein the signal source is in a BBU (building base band unit) +RRU (remote radio unit) optical fiber remote mode and is directly connected to a RRU from a BBU; the BBU and RRU are in optical fiber transmission; the RRU is connected with the combiner/shunt through a wire jumper; the output signal is connected to the indoor leaky cable antenna through the coupler and the power divider; and the indoor leaky cable antenna is laid along the wire according to the indoor environment, and indoor signal coverage is performed. The indoor leaky cable antenna has the advantages of simple structure and high compatibility, and structural miniaturization can be realized.
Description
Technical field
The invention discloses a kind of wireless communication field, particularly a kind of indoor leaky cable antenna and covering system thereof.
Background technology
Traditional indoor comprehensive wiring system is made up of feeder line, antenna and power splitter etc., and indoor signal is mainly covered by antenna.
Along with the development of 4G communication, the user is more and more higher to the online quality requirement, tests statistics factually, and 70% mobile communication telephone traffic occurs in indoor.The same problem that 4G indoor distributed system and 2G/3G exist is the high-rise quality problems that cover, and 2G/3G is mainly by solving with two kinds of schemes of indoor distributed system in the outdoor base station covering chamber.In LTE, because problems such as rapid fading, space loss make the indoor covering of MIMO be difficult to implement to cover by outdoor base station.Therefore, as the main mode that solves indoor covering, the TD-LTE indoor distributed system certainly will become TD-LTE networking center of gravity.
By early stage indoor cover antenna being used the investigation of carrying out, find that mainly there are 2 deficiencies in traditional indoor cover antenna: 1, indoor environment is comparatively complicated, causes traditional indoor cover antenna to have the blind area; 2, the electromagnetic pollution of cover antenna is difficult to avoid in the conventional chamber.
Compare with 2G/3G in addition, the LTE indoor distributed system need lay a plurality of antennas, and this just relates to selection and the installation question of antenna.If adopt traditional antenna to cover, this will run into the mutual interference problem of signal and how persuade the user to accept the problem that antenna is installed, and therefore needs to consider novel indoor covering system and indoor distribution of products.
Summary of the invention
The objective of the invention is provides a kind of transmission good in order to overcome above deficiency, communicate by letter a kind of indoor leaky cable antenna and covering system thereof stable, light, easy adjustment.
Purpose of the present invention is achieved through the following technical solutions: a kind of indoor leaky cable antenna, " " end of leaky cable is connected with load to leaky cable; 1/2 to comprise 1/2, " other end of leaky cable is connected with connector; 1/2, and " leaky cable comprises the copper cover aluminum inner wire 1/2, outside the copper cover aluminum inner wire, be provided with the insulation foaming layer, outside the insulation foaming layer, be provided with the copper outer conductor, outside the copper outer conductor, be provided with oversheath, be provided with the sheath markings at the oversheath excircle, have slotted eye at the copper outer conductor, 1/2 " leaky cable is the small dimension leaky cable of wideband radiation, stresses the lateral radiation performance more, and namely coupling loss is very little; the very big and load of transmission attenuation constitutes a kind of radiating antenna of the wire jumper pattern near isotropic directivity together; A kind of covering system of indoor leaky cable antenna, comprise signal source, close/splitter, coupler, power splitter and indoor leaky cable, signal source adopts BBU+RRU fiber optic stretch mode, directly link RRU from BBU, adopt Optical Fiber Transmission between BBU and the RRU, RRU closes/splitter by the wire jumper connection, output signal is connected to indoor leaky cable antenna by coupler and power splitter, indoor leaky cable antenna is laid along the line according to indoor environment, carrying out indoor signal covers, 1/2 " leaky cable is a kind of small dimension leaky cable of wideband radiation; different with traditional leaky cable radiance is, it stresses the lateral radiation performance more, and namely coupling loss is very little; the very big and load of transmission attenuation constitutes a kind of radiating antenna of the wire jumper pattern near isotropic directivity together.
The present invention compared with prior art has the following advantages:
1, indoor leaky cable antenna of the present invention and covering system thereof hold susceptible to user acceptance: as a kind of antenna of wire jumper form, when installing, indoor leaky cable can image antenna equally be installed by application, but install and outward appearance seem " as " cable, perhaps can directly hide to install and use, reduce high-end user to the resistance psychology of " antenna ";
2, realize covering: the coverage hole problem that can solve the traditional antenna covering system comprehensively;
3, realize green the covering: adopt the leaky cable antenna to cover, do not have electromagnetic pollution;
4, system is simple, node is few: the joint conversion is few, easy for installation, has reduced construction and later maintenance difficulty;
5, can realize that 4G is integrated: leaky cable antenna design frequency is wideer, can be in the indoor distributed system that existing multisystem is built jointly, and directly that the TD-LET signal is integrated, the simplification system builds;
6, cost performance height: signal covers evenly, compare with original antenna system, for original place that needs to lay feeder line+antenna, can simply substitute with an indoor leaky cable antenna, saved the spending of original antenna, and indoor leaky cable antenna can do more cheaply than feeder line, and the whole system cost is lower.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the 1/2 " structural representation of leaky cable;
Fig. 3 is a kind of specific embodiments schematic diagram of the present invention;
Fig. 4 is the scene schematic diagram of indoor covering method of the present invention and system;
Number in the figure: 1-1/2 " leaky cable, 2-load, 3-connector, 4-copper cover aluminum inner wire, 5-insulation foaming layer, 6-copper outer conductor, 7-oversheath, 8-sheath markings, 9-slotted eye, 10-signal source, 11-close/splitter, 12-coupler, 13-power splitter.
Embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the present invention, does not constitute the restriction to protection range of the present invention.
Show the embodiment of a kind of indoor leaky cable antenna of the present invention and covering system thereof as Fig. 1-4, a kind of indoor leaky cable antenna, " " end of leaky cable 1 is connected with load 2 to leaky cable 1; 1/2 to comprise 1/2, " other end of leaky cable 1 is connected with connector 3; 1/2, and " leaky cable 1 comprises copper cover aluminum inner wire 4 1/2, outside copper cover aluminum inner wire 4, be provided with insulation foaming layer 5, outside insulation foaming layer 5, be provided with copper outer conductor 6, outside copper outer conductor 6, be provided with oversheath 7, be provided with sheath markings 8 at oversheath 7 excircles, have slotted eye 9 at copper outer conductor 6; 1/2 " leaky cable is a kind of small dimension leaky cable of wideband radiation; different with traditional leaky cable radiance is, it stresses the lateral radiation performance more, and namely coupling loss is very little; the very big and load of transmission attenuation constitutes a kind of radiating antenna of the wire jumper pattern near isotropic directivity together.
A kind of covering system of indoor leaky cable antenna, comprise signal source 10, close/splitter 11, coupler 12, power splitter 13 and indoor leaky cable, signal source adopts BBU+RRU fiber optic stretch mode, directly link RRU from BBU, adopt Optical Fiber Transmission between BBU and the RRU, RRU closes/splitter 11 by the wire jumper connection, and output signal is connected to indoor leaky cable antenna by coupler 12 and power splitter 13, indoor leaky cable antenna is laid along the line according to indoor environment, carries out indoor signal and covers.
Close/splitter 11 is used for closing road signal demultiplexing signal to what the radiofrequency signal of various different frequencies, different communication system and different operators synthetic a tunnel was exported, maybe will be received; Consider the even covering of indoor each layer signal, adopt coupler will close/splitter 11 carries out non-five equilibrium and distributes, one road signal is given nearest two-layer by the power splitter uniform distribution, be layed in indoor overlay area by indoor leaky cable antenna extension again, or pass through power splitter 13 uniform distributions to the zones of different with one deck; Another road signal of coupler carries signal to other floors by next coupler; Indoor leaky cable antenna is by special 1/2 " leaky cable and connector, load combinations form; coupling loss is very little; transmission attenuation is very big; be one near the radiating antenna of the wire jumper pattern of isotropic directivity; can be according to overlay area, overlay environment characteristics; image antenna is equally installed application, but installation and outward appearance look like a cable or hide to install and use, not only can obtain than the more uniform covering signal of traditional antenna, can also reduce high-end user to the resistance psychology of " antenna ", solve the deficiency that the cover antenna system exists in the conventional chamber.
To be the covering method of utilizing the indoor leaky cable antenna of the present invention carry out indoor covering to 30 layers star hotel to Fig. 4, the corridor that the hotel is every layer is loop corridor, BBU is placed in hotel's machine room, system adopts 5 RRU, adopt Optical Fiber Transmission between BBU and the RRU, the signal that each RRU is responsible in 6 floors covers, the signal of floor gap is by 6dB coupler and feeder line transmission, after directly being entered from air louver or door and window by the signal of 6dB coupler coupling in the floor, directly connect novel leaky cable antenna by two centimeters devices, novel leaky cable antenna is laid on the middle part of corridor ceiling, and vertically lay along the corridor, zone, corridor and zone, guest room cover by the signal of novel leaky cable aerial radiation.The oversheath of novel leaky cable antenna adopts and the ceiling same color, reduces the attentiveness of resident family.Covering system in this scene, evenly, there is not the blind area in the simple and signal of easy for installation, later maintenance, compares with the traditional antenna covering system, and cost is low, the cost performance height.
The present invention can be according to the covering demand of indoor signal, adjust indoor leaky cable radiance or mounting means, produce a kind of covering product and covering scheme, the present invention holds susceptible to user acceptance: as a kind of antenna of wire jumper form, when installing, indoor leaky cable can image antenna equally be installed by application, but install and outward appearance seem " as " cable, also can directly hide to install and use, the minimizing high-end user is to the resistance psychology of " antenna "; Realize covering: the covering system of indoor leaky cable antenna can solve the coverage hole problem of traditional antenna covering system comprehensively; Realize green the covering: adopt novel leaky cable antenna to cover, do not have electromagnetic pollution; System is simple, node is few: the joint conversion is few, easy for installation, has reduced construction and later maintenance difficulty; Can realize that 4G is integrated: indoor leaky cable antenna design frequency is wideer, can be in the indoor distributed system that existing multisystem is built jointly, and directly that the TD-LET signal is integrated, the simplification system builds; Cost performance height: the covering system of indoor leaky cable antenna, signal covers evenly, compare with original antenna system, for original place that needs the laying feeder line to add antenna, can simply substitute with an indoor leaky cable antenna, saved the spending of original antenna, and indoor leaky cable antenna can do more cheaply than feeder line, the whole system cost is lower.
Claims (4)
1. an indoor leaky cable antenna is characterized in that: comprise 1/2 that " leaky cable 1 is 1/2, and " end of leaky cable 1 is connected with load 2, and " other end of leaky cable 1 is connected with connector 3 1/2.
2. according to claim 1 indoor leaky cable antenna, it is characterized in that: 1/2 that " leaky cable 1 comprises copper cover aluminum inner wire 4; be provided with insulation foaming layer 5 outside copper cover aluminum inner wire 4; be provided with copper outer conductor 6 outside insulation foaming layer 5; be provided with oversheath 7 outside copper outer conductor 6; be provided with sheath markings 8 at oversheath 7 excircles, have slotted eye 9 at copper outer conductor 6.
3. according to claim 1 indoor leaky cable antenna, it is characterized in that: 1/2 that " leaky cable is the small dimension leaky cable of wideband radiation.
4. the covering system of an indoor leaky cable antenna, it is characterized in that: comprise signal source 10, close/splitter 11, coupler 12, power splitter 13 and indoor leaky cable, signal source adopts BBU+RRU fiber optic stretch mode, directly link RRU from BBU, adopt Optical Fiber Transmission between BBU and the RRU, RRU closes/splitter 11 by the wire jumper connection, output signal is connected to indoor leaky cable antenna by coupler 12 and power splitter 13, indoor leaky cable antenna is laid along the line according to indoor environment, carries out indoor signal and covers.
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| CN201310232488.6A CN103268973B (en) | 2013-06-13 | 2013-06-13 | Indoor leaking cable antenna and covering system thereof |
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| CN201310232488.6A CN103268973B (en) | 2013-06-13 | 2013-06-13 | Indoor leaking cable antenna and covering system thereof |
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| CN103268973B CN103268973B (en) | 2016-09-14 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104363602A (en) * | 2014-10-16 | 2015-02-18 | 北京交控科技有限公司 | Leaky cable based LTE (long term evolution) wireless signal coverage system in tunnel environment |
| CN106714194A (en) * | 2015-11-13 | 2017-05-24 | 中国移动通信集团黑龙江有限公司 | Indoor coverage system |
| CN107783009A (en) * | 2016-08-31 | 2018-03-09 | 通号（郑州）轨道交通科技有限公司 | A kind of communication system monitoring device of multi-internet integration |
| CN109037955A (en) * | 2018-08-07 | 2018-12-18 | 江苏亨鑫科技有限公司 | A kind of leakage cable method for arranging applied to band-like elongated zones |
| CN109599678A (en) * | 2017-09-30 | 2019-04-09 | 中天射频电缆有限公司 | A kind of 5G communication waveguide leakage cable |
| WO2020134117A1 (en) * | 2018-12-29 | 2020-07-02 | 中天射频电缆有限公司 | Indoor distribution system |
| CN111416640A (en) * | 2019-01-07 | 2020-07-14 | 中天射频电缆有限公司 | Leaky cable MIMO branch coverage system |
| CN111432330A (en) * | 2020-03-13 | 2020-07-17 | 中天射频电缆有限公司 | Indoor communication integrated network |
| CN111769873A (en) * | 2020-06-08 | 2020-10-13 | 中国电信集团工会上海市委员会 | Leakage cable covering system for increasing capacity |
| CN113676916A (en) * | 2020-05-14 | 2021-11-19 | 中国电信股份有限公司 | Wireless communication system and method for improving signal coverage |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112822694A (en) * | 2021-02-03 | 2021-05-18 | 江苏亨鑫科技有限公司 | Indoor wireless signal covering leaky cable arrangement method and corresponding arrangement structure |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104363602A (en) * | 2014-10-16 | 2015-02-18 | 北京交控科技有限公司 | Leaky cable based LTE (long term evolution) wireless signal coverage system in tunnel environment |
| CN106714194A (en) * | 2015-11-13 | 2017-05-24 | 中国移动通信集团黑龙江有限公司 | Indoor coverage system |
| CN107783009A (en) * | 2016-08-31 | 2018-03-09 | 通号（郑州）轨道交通科技有限公司 | A kind of communication system monitoring device of multi-internet integration |
| CN109599678A (en) * | 2017-09-30 | 2019-04-09 | 中天射频电缆有限公司 | A kind of 5G communication waveguide leakage cable |
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| CN109037955A (en) * | 2018-08-07 | 2018-12-18 | 江苏亨鑫科技有限公司 | A kind of leakage cable method for arranging applied to band-like elongated zones |
| CN109037955B (en) * | 2018-08-07 | 2019-11-05 | 江苏亨鑫科技有限公司 | A kind of leakage cable method for arranging applied to band-like elongated zones |
| WO2020134117A1 (en) * | 2018-12-29 | 2020-07-02 | 中天射频电缆有限公司 | Indoor distribution system |
| CN111416640A (en) * | 2019-01-07 | 2020-07-14 | 中天射频电缆有限公司 | Leaky cable MIMO branch coverage system |
| CN111416640B (en) * | 2019-01-07 | 2024-04-26 | 中天射频电缆有限公司 | Leaky cable MIMO branch coverage system |
| CN111432330A (en) * | 2020-03-13 | 2020-07-17 | 中天射频电缆有限公司 | Indoor communication integrated network |
| CN113676916A (en) * | 2020-05-14 | 2021-11-19 | 中国电信股份有限公司 | Wireless communication system and method for improving signal coverage |
| CN113676916B (en) * | 2020-05-14 | 2023-04-18 | 中国电信股份有限公司 | Wireless communication system and method for improving signal coverage |
| CN111769873A (en) * | 2020-06-08 | 2020-10-13 | 中国电信集团工会上海市委员会 | Leakage cable covering system for increasing capacity |
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Address after: 226010 No. 1 Xin Kai Nan Road, Nantong economic and Technological Development Zone, Jiangsu Patentee after: Zhongtian RF cable Co., Ltd. Address before: 226010 No. 1 Xin Kai Nan Road, Nantong economic and Technological Development Zone, Jiangsu Patentee before: Zhongtian Rili Rf Cable Co., Ltd. |