JP6507145B2 - Base station pole and antenna for base station pole - Google Patents

Description

  The present invention relates to a base station pole such as a small cell base station for mobile communication, and an antenna for a base station pole.

  The amount of data communication is increasing due to mobile communication terminals represented by smartphones. Furthermore, since the data communication uses a high frequency band such as 3.5 GHz in order to cope with the increase in the amount of data communication, the base station for data communication can be located near the user, such as near the ground. It is becoming more and more installed.

  On the other hand, since there is a restriction on the installation near the user, a base station considering space saving or ease of installation is considered.

  On the other hand, in areas where buildings are densely packed, scenery such as illumination may be emphasized. In addition, even in areas other than the area where buildings are dense, there is an increasing number of cases where landscapes such as sightseeing spots are emphasized.

  FIG. 19 shows a pole for illumination by LED lighting, and FIG. 20 shows an example of their installation.

  As shown in FIG. 19, the illumination pole by the LED lighting has a base, an LED lighting unit, and a post disposed around the LED lighting unit. The base also has a controller for LED lighting.

FIG. 20 shows an example of installation of illumination poles by LED lighting. Illumination poles by LED lighting are disposed on both sides of the road.

  For example, if a base station is installed on a signboard etc., space saving can be achieved. However, even if the base station is installed on the back side of the signboard, the base station can be seen when the signboard is viewed from the back side, which may damage the surrounding scenery. Also, if the signboard and the base station are set apart, there is a risk that the cable between them will damage the landscape.

  In addition, in signboards and the like, the individual shapes are different, and there are many cases where there is no regularity in the place where they are placed, so it is often necessary to take individual measures.

Therefore, the present invention provides the user with a feature such as a pole for LED lighting and the like that has a function other than the base station by adding the function of the base station without significantly changing the appearance of the user, without damaging the landscape. It is an object of the present invention to provide a base station pole and its antenna which can be installed in the vicinity of

The base station pole antenna according to claim 1 of the present invention has an antenna housing support column provided with a support column side fixing unit for fixing the antenna accommodated inside, and an antenna side fixing unit fixed to the support column side fixing unit. The antenna for a base station pole is provided with an antenna housed in the antenna housing support, and a cable whose one end is connected to the antenna and whose other end is connected to the base station radio apparatus side.
Since the antenna is disposed in the support, the antenna is not exposed to the outside and does not harm the landscape. Further, the antenna can be fixed only by fixing the antenna to the support side fixing portion of the antenna housing support, and the configuration is easy. Furthermore, cables can be arranged in accordance with the shape of the base station pole and connected to the base station radio apparatus side, and can be adapted to base station poles of various shapes.

The base station pole antenna according to claim 2 of the present invention is the base station pole antenna according to claim 1, characterized in that the antenna accommodating post is a post disposed around a lighting device. .
By arranging the antenna receiving post for receiving the antenna inside, around the lighting device, that is, outside the lighting device, the antenna receiving post supports the pole and the function of the antenna can be more easily ensured.

A base station pole according to a third aspect of the present invention has an antenna housing support column provided with a support column side fixing section for fixing an antenna accommodated inside, and the antenna side fixing section fixed to the column support section fixing section. An antenna accommodated in the support column, a cable connected at one end to the antenna and a cable connected at the other end to the base station radio apparatus, and a pole body, the pole body being a base, and a body disposed on the base A base provided with a base station radio device inside, the base comprising only the antenna receiving support, or the antenna receiving support and the antenna A base station pole, characterized in that it is comprised of an antenna non-housing post that is not housed.
Since the antenna is disposed in the support, the antenna is not exposed to the outside and does not harm the landscape. Further, the antenna can be fixed only by fixing the antenna to the support side fixing portion of the antenna housing support, and the configuration is easy. Furthermore, cables can be arranged in accordance with the shape of the base station pole and connected to the base station radio apparatus side, and can be adapted to base station poles of various shapes.
Further, by arranging the antenna housing support for housing the antenna inside the main body, that is, outside the main body, the antenna housing support can support the pole and the function of the antenna can be more easily ensured.
In addition to that, depending on the shape and strength of the pole, the performance of the antenna required, etc., the performance as a pole and the base can be achieved by configuring the support with only the antenna receiving support or the antenna receiving support and the antenna non support. Station performance can be achieved simultaneously.

The base station pole according to claim 4 of the present invention is the base station pole according to claim 3, wherein the main body is a lighting device.
By housing the antenna in a post disposed around the lighting apparatus, both the function as the lighting apparatus and the function as the base station can be realized without substantially changing the appearance.

The base station pole according to claim 5 of the present invention is a base station pole according to claim 3 or 4, characterized in that at least the antenna receiving portion is made of resin.
Here, the periphery of the antenna radiation portion means a portion surrounding the antenna radiation portion in the horizontal direction at 90 degrees to the vertical direction in which the antenna extends, and the resin around the antenna radiation portion is made of resin. Show.
At least the periphery of the antenna radiation portion of the antenna housing support housing the antenna is made of resin, and the resin has little influence on the antenna, so the performance of the antenna is maintained.

A base station pole according to a sixth aspect of the present invention has a plurality of the antennas, and the antenna accommodating post for accommodating each antenna is disposed around the main body. 6. A base station pole according to any of the preceding claims.
Furthermore, if the posts are equally spaced, the stability of the pole is improved.

The base station pole according to claim 7 of the present invention is characterized in that the antenna has a polarization sharing structure corresponding to a plurality of polarizations. The base station pole according to any one of claims 3 to 6, is there.
By the polarization sharing structure, it is possible to increase the amount of transmission and reception by using a plurality of polarizations.

The base station pole according to claim 8 of the present invention has a heat conducting part in contact with the pole body to transfer heat to the pole body. It is.
By transferring heat from the heat conducting portion to the pole body, heat can be dissipated to the entire large pole body as compared to the antenna.

The base station pole according to claim 9 of the present invention is the base station pole according to claim 4, characterized in that the lighting device uses an LED in a light emitting unit.
Heat generation can be suppressed by using LEDs for lighting equipment.

The base station pole according to claim 10 of the present invention has an independent power supply, and the independent power supply includes a photovoltaic power generation unit and a storage battery accommodated in the base. It is a base station pole in any one of 9.
The need for a power cable to the pole is eliminated and the installation of the base station pole is facilitated.

The base station pole according to claim 11 of the present invention is a base station pole according to any one of claims 4 or 9, characterized in that the controller of the lighting device is accommodated in the base.
The lighting device data transmitter can control the lighting device according to the time zone and time. Also, by housing the lighting device data transmitter in the base, the landscape is not harmed.

It is a block diagram of the whole. An example of the upper part of a base station pole is shown. An example of the upper part of a base station pole is shown. An example of the upper part of a base station pole is shown. Shows the inside of the base. The antenna accommodating part is shown. The antenna accommodating part is shown. The antenna accommodating part is shown. The antenna accommodating part is shown. The example of arrangement | positioning of a base station pole is shown. The example of arrangement | positioning of a base station pole is shown. 10 shows a base station poll in Embodiment 2. The example of sectional drawing of the base station pole in Embodiment 2 is shown. The example of sectional drawing of the base station pole in Embodiment 2 is shown. The example of sectional drawing of the base station pole in Embodiment 2 is shown. The example of sectional drawing of the base station pole in Embodiment 2 is shown. The example of sectional drawing of the base station pole in Embodiment 2 is shown. FIG. 10 shows a cross-sectional view of a base station pole in Embodiment 3. It is a figure of the pole for illumination by LED lighting. It is a figure of the example of installation of the pole for the illumination by LED lighting.

  FIG. 1 shows a configuration example of a base station pole 2 having a base station pole antenna 1 according to a first embodiment of the present invention.

The base station pole 2 has a base 3, a main body 4, and a support 5.
In the present embodiment, the main body 4 is a light emitting unit 4B that constitutes the lighting device 4A.

  The support 5 has an antenna receiving support 5A, which accommodates a base station pole antenna 1 (hereinafter referred to as "antenna"). In the present embodiment, the antenna housing support 5A is made of a resin such as reinforced plastic (hereinafter referred to as "FRP") or the like.

  At the top of the base station pole, as shown in FIG. 2, a white LED street lamp 6A is arranged. Alternatively, as shown in FIG. 3, the WEB camera 6B is disposed, or as shown in FIG. 4, the outdoor waterproof speaker 6C or the like is disposed.

  FIG. 5 shows the inside of the base. The base 3 includes a storage battery as an independent power supply and a power injector 7 having a solar power generation unit connected to the storage battery and disposed on the antenna, and an LED controller 8 having a data transmitter and receiver for LED lighting and controlling LED lighting A base station radio unit 9 (hereinafter referred to as "RRE") is accommodated.

  The light emitting unit 4B of the lighting device 4A is a full color LED, and illuminates lights of various colors according to the signal from the data transmitter / receiver for LED lighting.

  The antenna 1 is an antenna of a polarization sharing structure using a plurality of polarizations. The polarization sharing structure includes, for example, one using vertical and horizontal polarization, and one using polarization different by 45 degrees. One end of a cable is connected to the antenna 1 and the other end of the cable is connected to the RRE 9 side.

  6, 7, 8 and 9 show the antenna housing portion in the first embodiment.

  As shown in FIG. 7, the lighting apparatus 4A is disposed at the center of the antenna housing support 5A. That is, the antenna housing support 5A is disposed around the lighting device 4A. In the present embodiment, the antenna housing support 5A is made of resin such as reinforced plastic (hereinafter "FRP"). In addition, the lighting device 4 uses an LED for the light emitting unit 4A.

  In FIG. 7, the four antenna housing supports 5A are arranged at equal intervals around the lighting apparatus 4A, but one, two, three, or five or more antenna housing supports 5A are the lighting apparatus 4A. Needless to say, it may be arranged at equal intervals around the periphery. Also, depending on the required performance, it may be conceivable to arrange the antennas 1 asymmetrically instead of arranging them at equal intervals.

  As shown in FIGS. 8 and 9, the antenna 1 is fixed in the antenna housing support by the antenna side fixing portion 1A and the support side fixing portion 5C of the antenna housing support 5A.

  The lower end of the antenna 1 is connected to the cable 10 as shown in FIG. The cable 10 is connected to the RRE 9 side through the inside of the non-antenna accommodating post 5B on the lower side of the antenna accommodating post 5A.

  The RRE 9 has a heat conducting portion 9A in contact with the pole body 11 to transfer heat to the pole body 11. More specifically, in the present embodiment, the heat conducting portion 9A is in contact with the outer wall portion of the base 3 in the pole body. The heat conducting portion 9A is formed of a metal plate in contact with the pole body 11 and the RRE 9. Since the lighting device 4A uses the LED for the light emitting unit 4B, the generation of heat can be suppressed, so that the RRE 9 can be used in a more stable state.

10 and 11 show arrangement examples of the base station pole 2. There is a road between buildings 12, and poles are equally spaced on both sides of the road. Among these poles, in the arrangement example shown in FIG. 10 and FIG. 11, the base station pole 2 is arranged alternately with the pole not having an antenna, that is, every other one. The base station pole has 8 MIMO antennas.
In FIG. 11, the small cell area 13 by an antenna is shown. It can be seen that the base station poles, which are arranged alternately, effectively cover the area of the road 14.

  With the configuration in which the antenna 1 is installed inside the antenna housing support 5A and connected to the RRE 9 side by the cable 10, the conventional support pillar is replaced with the antenna housing support 5A, and the cable 10 is disposed according to the installation place such as pole. The antenna can be arranged without damaging the landscape.

  In addition, compared to those having different shapes and installation positions such as signs, the poles for illumination by LED lighting are often arranged at almost equal intervals in the same configuration. Also, in terms of height and arrangement, similar configurations can often be used for a plurality of LED poles. From these points, the above-described configuration in which the pole for illumination by LED lighting is a base station pole is advantageous.

  FIG. 12 shows the base station pole 2 in the second embodiment. In the present embodiment, the base station pole 2 is a pseudo tree, and has a plurality of polarization sharing antennas 1 at the top and at the branches of the trunk.

  FIG. 13 shows a cross-sectional view of a base station pole as a pseudo tree.

  A plurality of antenna housing support columns 5A are disposed around the circular cross section of the pseudo tree main body 4C. The cable 10 extending from the polarization sharing antenna 1 housed in each antenna housing support 5A may be configured to transmit a pseudo tree, but can be housed inside the pseudo tree main body as shown in FIG. .

  The cross section of the pseudo tree main body 4C may be a polygon such as a regular octagon shown in FIG. Also in the example shown in FIG. 15, the plurality of antenna housing support posts 5A are arranged around the pseudo tree main body 4C. Further, the cable 10 extending from the polarization sharing antenna 1 accommodated in each antenna accommodating column 5A may be configured to transmit a pseudo tree, but can be accommodated inside the pseudo tree main body as shown in FIG. .

  Further, as shown in FIG. 17, the base station pole may have a plurality of recesses in the cross section, and the cable 10 may be housed in the recesses. As a result, it becomes unnecessary to provide a cavity inside the base station pole, and the wiring becomes easy, while the cable is accommodated in the recess, so that the view is not impaired and the wiring is also easy. Also in the case of this configuration, as in the first embodiment, the base can be configured to house the power injector 7, the LED controller 8, and the RRE 9.

  In the base station pole 2 in the second embodiment described above, even in the area where trees are present in the surrounding area, the base station can be arranged without damaging the landscape.

  Base station pole 2 may be part of a structure, such as the wall of a structure.

  FIG. 18 shows a cross-sectional view of the base station pole 2 in the third embodiment. In the present embodiment, the base station pole 2 is a columnar portion 4C present on the wall surface of a building.

  As shown in FIG. 18, an antenna housing support that accommodates an antenna is disposed around the columnar portion 4C of the wall surface. In the present embodiment, the columnar section corresponds to the main body. Instead of the column of the building, for example, the antenna housing support may be arranged around a drainage pipe or the like. Also, in any case, by using the antenna housing support of the same color as the column portion or the drain pipe, etc., the antenna can be arranged without damaging the landscape.

  It goes without saying that the present invention is not limited to the above embodiments, and includes various embodiments within the scope of the present invention.

  For example, instead of passing the cable through the antenna receiving post or the antenna non receiving post for the cable, the cable can be routed to an unobtrusive point on the side of the antenna receiving post or the antenna non receiving post. Alternatively, instead of installing from the antenna to the RRE, by incorporating a wire connected to the RRE in the pole body in advance, the antenna and the wire of the pole body can be connected by a cable. Alternatively, communication control and power transmission can be performed wirelessly without using a cable.

  In addition to the white LED street light 6A, the WEB camera 6B, and the outdoor waterproof speaker 6C shown in the above example, the base station pole is a portable charger capable of charging a Wi-Fi access point, a radio clock, a smartphone, etc. , Digital advertisement display etc. can also be incorporated.

  Antennas can also be incorporated into road signs and utility poles. However, it is preferable to use a resin or other resin such as FRP instead of metal around the antenna, depending on the material and arrangement of the antenna.

  In addition to using the entire antenna housing support as a resin, at least the periphery of the antenna radiation portion, that is, the portion surrounding the antenna radiation portion in the horizontal direction at 90 degrees to the vertical direction in which the antenna extends It can be done.

As the heat conducting portion, in addition to the metal plate in the above embodiment, a heat sink provided with a plurality of metal plates may be used.

Reference Signs List 1 antenna for base station pole 2 base station pole 3 base 4 main body 4A lighting device 4B light emitting unit 4C light wood unit 4C columnar body 5 column 5 support 5A antenna support support 5B antenna non support support 6A white LED street light 6B web camera 6C outdoor type Waterproof Speaker 7 Power Injector 8 LED Controller 9 Base Station Radio Unit 9A Heat Conductor 10 Cable 11 Pole Body 12 Building 13 Small Cell Area 14 Road

Claims (10)

Antenna housing support post having support side fixing portion for fixing antenna housed inside, antenna having fixing side on antenna side fixing portion fixed to the support side fixing portion antenna housed in the antenna receiving support post, one end of the antenna An antenna for a base station pole , comprising: a cable connected to the other end connected to the base station radio apparatus side, and the antenna receiving support is a support arranged around a lighting device . An antenna housing support post having a support side fixing portion for fixing an antenna housed inside, an antenna having a antenna side fixing portion fixed to the support side fixing portion, an antenna received in the antenna receiving support pillar, one end of the antenna Cable and pole body connected at the other end to the base station radio apparatus side,
The pole body includes a base, a body disposed on the base, and a post disposed around the body.
The base has a base station radio inside.
A base station pole according to claim 1, wherein said support comprises only said antenna receiving support, or an antenna non-receiving support that does not receive said antenna receiving support and the antenna. The base station pole according to claim 2, wherein the main body is a lighting device. The base station pole according to any one of claims 2 or 3, wherein at least the periphery of the antenna radiation portion of the antenna housing support is made of resin. The base station pole according to any one of claims 2 to 4, characterized in that a plurality of the antennas are provided, and the antenna receiving column for receiving each antenna is disposed around the main body. The base station pole according to any one of claims 2 to 5, wherein the antenna has a polarization sharing structure corresponding to a plurality of polarizations. The base station pole according to any one of claims 3 to 6, further comprising a heat conducting portion in contact with the pole body to transfer heat to the pole body. The base station pole according to claim 3, wherein the lighting device uses an LED in a light emitting unit. Have an independent power supply,
The base station pole according to any one of claims 2 to 8, wherein the independent power supply comprises a solar power generation unit and a storage battery housed in a base. A base station pole according to any of claims 3 or 8, characterized in that the controller of the lighting device is accommodated in the base.

Images