Providing a wireless communication connection between at least one communication terminal positioned in a predefinable spatial area and a communication network
阅读说明:本技术 在定位于可预给定空间区域中的至少一个通信终端与通信网络之间提供无线通信连接 (Providing a wireless communication connection between at least one communication terminal positioned in a predefinable spatial area and a communication network ) 是由 G.迈尔巴赫 A.万德勒 于 2018-05-16 设计创作,主要内容包括:本发明涉及一种用于在通信网络(20)与定位于可预给定空间区域(16)中的通信终端(18)之间建立无线通信连接(14)的方法。本发明所基于的任务是进一步改善无线通信的容量。根据本发明:-固定布置的通信基础设备(22)建立至所述通信网络(20)的有线通信连接,以及-建立经由光偏转单元(24)至所述通信终端(26)的基于光的通信连接(30),其中所述光偏转单元(24)与所述通信基础设备(22)处于固定的局部关系并且使光在所述通信基础设备(22)和所述可预给定空间区域(16)之间偏转。(The invention relates to a method for establishing a wireless communication connection (14) between a communication network (20) and a communication terminal (18) located in a predeterminable spatial region (16). The invention is based on the object of further improving the capacity of wireless communication. According to the invention: -a fixedly arranged communication infrastructure (22) establishing a wired communication connection to the communication network (20), and-establishing a light-based communication connection (30) to the communication terminal (26) via a light deflection unit (24), wherein the light deflection unit (24) is in a fixed local relationship with the communication infrastructure (22) and deflects light between the communication infrastructure (22) and the predeterminable spatial area (16).)
1. A communication infrastructure (22) for a communication facility (12) for providing a wireless communication connection (14) between at least one communication terminal (18) positioned in a predeterminable spatial area (16) and a communication network (20), wherein the communication infrastructure (22) is constructed as a fixed arrangement with:
a network connection (28) for connecting the communication infrastructure (22) to the communication network (20),
it is characterized in that
A light-based communication unit (26) for providing a light-based wireless communication connection (30) to a light deflection unit (24), which light deflection unit (24) deflects light between the communication infrastructure (22) and the predeterminable spatial area (16), and
a converter unit (28) for coupling the communication unit (26) to the network connection (28) in terms of communication technology.
2. The communication infrastructure device of claim 1,
the communication unit (26) is configured to transmit and/or receive light within a predetermined light frequency range that is individually assigned to the communication terminal (18).
3. The communication infrastructure equipment according to claim 1 or 2,
the communication unit (26) has an optical transmission element configured to emit light in a directional manner to provide the wireless communication connection.
4. The communication infrastructure equipment according to one of the preceding claims,
the communication unit (26) is designed to align an optical transmitting element and/or an optical receiving element of the communication unit (26), preferably automatically, with the light deflection unit (24).
5. The communication infrastructure equipment according to one of the preceding claims,
the communication unit (26) is designed to focus the emitted light onto a specifiable area.
6. The communication infrastructure device of claim 5,
the communication unit (26) is designed to emit light in a plurality of mutually different light frequency ranges and to focus the light of the respective light frequency range onto an allocated area of a plurality of subregions of the specifiable area.
7. The communication infrastructure equipment according to one of the preceding claims,
the communication unit (26) is designed to provide a respective individual communication channel for a predetermined plurality of communication terminals (18).
8. The communication infrastructure device of claim 7,
each communication channel comprises a predeterminable optical frequency range and/or the communication unit (26) is designed to emit light into a predeterminable subregion of the predeterminable region.
9. A communication facility (12) for providing a wireless communication connection (14) between at least one communication terminal (18) located in a predeterminable spatial area (16) and a communication network (20),
it is characterized in that
At least one fixedly arranged communication infrastructure (22) according to one of the preceding claims, and
at least one light deflection unit (24) for deflecting light between the at least one communication infrastructure (22) and the predeterminable spatial region (16), wherein the light deflection unit (24) is in a fixed local relationship with the communication infrastructure (22).
10. The communication facility of claim 9,
the light deflection unit (24) has an alignment unit with which the light deflection unit (24) is aligned, preferably automatically, such that the light is deflected into the predeterminable spatial region (16).
11. The communication facility according to claim 9 or 10,
the light deflection unit (24) has at least one reflector element (42).
12. The communication facility of claim 11,
the at least one reflector element (42) is formed integrally with a boundary wall (40) of a room (10) which at least partially comprises the specifiable spatial region (16).
13. Communication facility according to one of the claims 9 to 12,
the light deflection unit (24) has at least one spectral filter element.
14. A method for providing a wireless communication connection between at least one communication terminal (18) positioned in a predeterminable spatial area (16) and a communication network (20), wherein a communication infrastructure (22) is fixedly arranged, the method comprising:
connecting the communication infrastructure device (22) to the communication network (20),
it is characterized in that the preparation method is characterized in that,
arranging a light deflecting unit (24) for deflecting light between the communication infrastructure (22) and the predeterminable spatial area (16), wherein the light deflecting unit is in a fixed local relationship with the communication infrastructure,
providing a light-based wireless communication connection (30) between a light-based communication unit (26) of the communication infrastructure (22) and the light deflection unit (24), and
communicatively coupling the communication unit (26) with the communication network (20).
15. A method for establishing a wireless communication connection (14) between a communication network (20) and a communication terminal (18) located in a predeterminable spatial area (16), wherein:
a fixedly arranged communication infrastructure (22) establishes a wired communication connection to the communication network (20), an
-establishing a light-based communication connection (30) to the communication terminal (26) via a light deflection unit (24), wherein the light deflection unit (24) is in a fixed local relationship with the communication infrastructure (22) and deflects light between the communication infrastructure (22) and the predeterminable spatial area (16).
Technical Field
The invention relates to a communication infrastructure for a communication connection for providing a wireless communication connection between at least one communication terminal located in a predeterminable spatial area and a communication network. The invention also relates to a communication facility for providing a wireless communication connection between at least one communication terminal located in a predeterminable spatial area and a communication network. The invention further relates to a method for providing a wireless communication connection between at least one communication terminal located in a predeterminable spatial area and a communication network, wherein a communication infrastructure is arranged in a fixed manner and connected to the communication network. Finally, the invention relates to a method for establishing a wireless communication connection between a communication network and a communication terminal located in a predeterminable spatial area.
Background
Communication infrastructure, communication facilities, methods for operating them and also methods for establishing wireless communication connections are well known in the art, so that no separate literature evidence is required for this. They are used to establish a communication connection between the communication terminal and the communication network, so that data can be transmitted, in particular to the communication network. For this purpose, WLAN routers are usually provided in the prior art.
The communication terminal is preferably a mobile communication terminal, which is in particular in wireless communication connection with the communication infrastructure. Such a communication terminal may be, for example, a smart phone, a tablet computer, a PDA, etc. But in addition the communication terminal may also be a computer, such as a Personal Computer (PC), in particular a desktop PC, but also a laptop computer or the like.
With the increasing demand for being able to achieve high data rates and the increasing use of available services, a high growth is expected, especially in the case of mobile data rates. The available technologies, in particular based on the WLAN standard, can contribute to this only to a very limited extent or already partly reach the technology capacity limit. In the field of mobile radio communications it has been customary in this respect to provide additional base stations and to allocate these more finely. However, this requires a significant technical and capital investment.
In the building sector, for example, it is possible to implement retrofitting in existing buildings, not only but in particular, which requires the laying of corresponding wired communication paths, for example based on ethernet or the like. In addition, new technologies such as power over ethernet may be used in new buildings where both power and data can only be transmitted via a single line connection. However, these possibilities require a large amount of additional technical and capital investment and are in part only of limited use. Thus, there remains a need for improvement.
Disclosure of Invention
The invention is based on the object of further improving the capacity of wireless communication.
With regard to the communication infrastructure, the invention proposes, in particular, that the communication infrastructure has a light-based communication unit for providing a light-based wireless communication connection to a light deflection unit which deflects light between the communication infrastructure and the predeterminable spatial region and has a converter unit for communicatively coupling the communication unit to a network connection.
With regard to the communication infrastructure, it is proposed, in particular, that the communication infrastructure has at least one inventive communication infrastructure and at least one light deflection unit for deflecting light between the at least one communication infrastructure and the predeterminable spatial region, wherein the light deflection unit is in a fixed local relationship with the communication infrastructure.
In terms of methods, it is proposed, in particular, with regard to the method for providing the wireless communication connection, to arrange a light deflection unit which deflects light between the communication infrastructure and the predeterminable spatial region, wherein the light deflection unit is in a fixed local relationship with the communication infrastructure, to provide the communication infrastructure with a light-based wireless communication connection to the light deflection unit by means of a light-based communication unit, and to communicatively couple the communication unit with the communication network.
Furthermore, it is proposed in particular with regard to the method for establishing the wireless communication connection that a fixedly arranged communication infrastructure establishes a wired communication connection to the communication network and that a light-based communication connection is established to the communication terminal via a light deflection facility, wherein the light deflection facility is in a fixed local relationship with the communication infrastructure and deflects light between the communication infrastructure and the predeterminable spatial region.
The invention makes it possible to increase the capacity in the case of wireless communication in a simple manner by switching from radio-based wireless communication, which has been customary hitherto, to light-based wireless communication now, or by supplementing radio-based wireless communication with light-based wireless communication. At the same time, with the installation according to the invention, i.e. the communication installation, in particular in combination with the communication infrastructure, a simple possibility of equipment is created which, in particular, can furthermore be easily installed in existing buildings to establish or improve wireless communication connections. By using optical based wireless communication, additional line installations can be largely avoided in case the channel capacity of the communication channel is high. The invention is thus also suitable in particular for retrofitting existing buildings. Of course, the invention is not limited to use in buildings, but may be used in particular in outdoor sites such as public places, event sites, etc. In this case, the particularly simple equipment has proven to be particularly advantageous as a result of the simple maintenance of the required technical facilities, so that a time-limited set-up can also be achieved with low effort. Improved capacity is achieved with respect to wireless communications without the need to lay additional wired connections.
The communication infrastructure is preferably a device or facility adapted for data exchange with the communication terminal. In the simplest case, the communication infrastructure can therefore likewise be a communication terminal as explained above, or else a PC or the like. However, the communication infrastructure may also be another data technology facility, for example comprising a storage unit for storing data, etc. In particular, the communication infrastructure comprises a network connection terminal for connecting the communication infrastructure to the communication network. The communication infrastructure is thereby communicatively coupled to the communication network. The communication network may be, for example, a regional or national communication network, such as an intranet, the internet, or the like.
The light-based communication connection may use, for example, visible light, but may also use infrared light, ultraviolet light, combinations thereof, and the like as a medium for data transmission. The communication infrastructure has a light-based communication unit for providing a light-based wireless communication connection to a light deflection unit which deflects light between the communication infrastructure and the predeterminable spatial region.
The light deflection unit is provided for deflecting light into the specifiable spatial region in such a way that the communication terminal can use the light-based communication connection by means of a suitable light-based own communication unit. Therefore, the light deflecting unit is preferably arranged in the optical viewing range with respect to the light-based communication unit of the communication infrastructure. The optical-based communication connection may preferably be configured for short-range communication in the manner of Li-Fi (light fidelity, optical fidelity), etc. In particular, the Optical-based Communication connection may use Optical data transmission over short distances (english: Optical Wireless Communication, OWC, or also Visible Light Communications, VLC), or may also use Optical methods equivalent to WLANs implemented in radio technology.
The light deflection unit is preferably a passive optical deflection unit which deflects the light received or transmitted from the communication unit of the base station into the predeterminable spatial region. For this purpose, the light deflecting unit may have a suitable light diffraction device. The light-based communication unit of the communication infrastructure is configured to modulate light emitted by the communication unit to the light deflection unit according to data to be transmitted.
In addition, the light deflection unit is designed to deflect light, which is transmitted by the communication terminal from the specifiable area to the communication infrastructure, in a suitable manner to the communication infrastructure and in this case in particular to a light-based communication unit of the communication infrastructure. Thus, the light-based communication unit of the communication infrastructure is configured to detect light received from the light deflection unit and determine data transmitted with the light.
In order to now establish a communication technology coupling to the communication network by means of the communication infrastructure, the communication infrastructure comprises the converter unit, which establishes a preferably bidirectional communication technology coupling between the light-based communication unit and the network connection. The converter unit is preferably an electronic unit, which can be embodied, for example, as a hardware circuit and/or also as a program-controlled computer unit. In this way, an optical based optical communication connection can be coupled to the communication network in a communication technology.
The predeterminable spatial region is a region that can be determined by the characteristics of the light deflecting unit. By means of the light deflection unit, light transmitted from the optical technical communication unit of the communication infrastructure can be deflected into the predeterminable spatial region. Thus, by means of the communication terminal, for example a mobile or portable device, reliable communication can be established with the communication infrastructure on the basis of light technology by positioning the communication terminal within a predeterminable area. The predeterminable spatial region may be defined, for example, by a predeterminable azimuth angle into which the light conveyed from the communication infrastructure is deflected by means of the light deflection unit.
In this case, provision may be made for the light conveyed from the communication infrastructure to be emitted divergently by the light deflection unit into the specifiable space according to the predefined spatial region or the extent thereof.
The light deflection unit as a light diffraction device can have, for example, reflecting and/or refracting elements, such as mirrors, lenses, prisms, but can also have, if appropriate, filter elements, such as polarizing filters, etc. In the simplest case, the light deflection unit can be formed by a mirror unit arranged in a suitable position, so that the delivered light can be deflected into the specifiable space.
Preferably, the light deflection unit is arranged above a floor of the predeterminable spatial region such that the light deflected by the light deflection unit is at least partially deflected in the direction of the floor. The light deflecting unit is preferably arranged on the ceiling of a room which comprises or forms the predeterminable spatial region.
The light deflection unit is in a fixed relationship with the communication infrastructure, by means of which a spatial relationship with respect to the light-based coupling can be determined. Thereby, the light propagation from the light deflection unit into the predeterminable spatial region can also be influenced.
The predeterminable spatial region may be formed by one or more subspace regions which may at least partially overlap. These subspace regions may also be at least partially separated from one another. The predeterminable spatial region can thus be determined, for example, by a light deflection unit, for example, having a plurality of light deflection elements, which can predetermine or determine the respective subspace region. Preferably, however, the predeterminable spatial area is a continuous area in which the communication terminals can be positioned at will in order to be able to provide light-based communication to the communication infrastructure.
The predeterminable spatial region can thus be determined, in particular, by the arrangement or position of the light deflection unit. The specifiable spatial region can also be determined, for example, by means of an illuminator illuminating the specifiable spatial region. Preferably, in this case, the light deflecting unit is mechanically coupled with the illuminator. In this way, it is directly visible to the user of the communication device how far the specifiable spatial area extends, so that the user can suitably select his own parking position in the specifiable spatial area in order to be able to ensure a reliable communication connection to the communication infrastructure.
In addition, however, it is also possible to place the light deflection unit in a desired position by means of a positioning device, such as the ceiling of a room, a tower or the like, whereby the predeterminable spatial region can be realized in a desired manner.
The light deflection unit is preferably arranged within an optical viewing distance from the communication infrastructure, so that data transmission can be provided via a wireless communication connection of optical technology. Therefore, it is not necessary to lay a cable or the like to realize the communication connection. In addition, it is also not necessary to provide a power supply for the light deflection unit, since the light deflection unit is preferably constructed as a passive light deflection unit, which does not need to have any separate adjustment facilities and converter facilities. Therefore, the light deflecting unit can be arranged almost arbitrarily without considering the supply of any energy technique.
The light deflection unit may comprise its own housing or may further comprise a mounting frame or the like. Preferably, however, the light deflecting unit is only equipped with fastening means which allow the light deflecting unit to be fixed at the edge of or in the room, for example in the upper region of the ceiling or wall, or integrated therein. The fastening means may be formed, for example, by a fastening clip, which may be mechanically connected with the corresponding wall element or ceiling with clips and/or screws or the like. Furthermore, the fastening device may comprise an adhesive connection, which may be formed, for example, by means of an adhesive (in particular an adhesive tape or the like). It can furthermore be provided that the light deflection unit is formed by a property of a boundary wall of the room, for example a wall or a ceiling of the room surrounding the specifiable space.
The network connection of the communication infrastructure is preferably a wired connection for communicative connection to the communication network. The network connection can thus be formed, for example, by a plug connection, preferably of detachable construction. In particular, the network connection terminals are designed to be electrically connected. For example, the network connection end may be configured for an ethernet connection or the like. In addition, the network connection can of course also be designed as an optical network connection in order to be able to connect the communication infrastructure, for example, to an optical communication network, for example, by means of an optical cable or the like. Of course, combinations thereof may also be provided. The converter unit is configured accordingly depending on the type of the network connection, as a result of which a communication-technology coupling to the communication network can be achieved.
The communication unit can likewise be designed as an electronic circuit. Which is used to convert data or a signal corresponding to the data provided by the converter unit into a suitable light technology signal and to emit the light modulated thereby so that it can be deflected by the light deflecting unit into a predetermined area. In addition, the communication unit is configured to receive the light delivered from the predeterminable area by the light deflecting unit, and to determine data contained in the light and to transmit the data to the converter unit.
Likewise, the communication infrastructure is preferably arranged in an upper region of a room comprising the predefined spatial region, for example in an upper region of a wall of the room or also on a ceiling, so that a largely interference-free light-based communication connection can be provided between the communication infrastructure and the light deflection unit. However, it can also be provided that the communication infrastructure is arranged, for example, on a tower, a pole or also on another device in a suitable manner, so that a substantially interference-free light-based communication connection to the light deflection unit can be realized. The further device can be formed, for example, as stationary furniture, such as a drawer cabinet, a conference table, a floor lamp, a lighting fixture in the manner of a ceiling lamp. Furthermore, the communication infrastructure can also be arranged on the floor of the room, in particular in a floor trough.
The invention is therefore particularly advantageously suitable for use in closed rooms of buildings, for example in lobbies, meeting rooms and the like. However, in addition, the invention can equally be used in a given outdoor area. This can be done, for example, in waiting areas at train stations or the like. The communication infrastructure can be positioned, for example, on an outer wall of a station building or the like, so that a light-based, interference-free communication connection can be realized.
With the invention it is achieved that very high data rates can be achieved due to the optical-based wireless communication connection or the physical properties of the communication connection. A communication connection with a high data rate can thus be provided not only to a single communication terminal but also when a plurality of communication terminals are to be connected. In addition, the invention is of course also suitable for coupling more than one light deflection unit in optical technology and in this way approximates to providing an own communication network in a room.
It can of course be provided that a separate communication infrastructure is provided for each light deflection unit, which is assigned to it. It has proved particularly advantageous, however, if a plurality of optical deflection units can jointly use a communication infrastructure, in particular when they are used for connecting to the communication network. In this context, the communication infrastructure may be constructed as, for example, a gateway or comprise a gateway. In addition, it is of course also possible to provide a plurality of communication infrastructure devices, wherein at least two communication infrastructure devices share one light deflection unit.
It is further proposed that the communication unit is designed to emit and/or receive light in a predefined range of light frequencies which are individually assigned to the communication terminals. In particular, light having a color individually assigned to the communication terminal may be emitted and/or received. In this way, not only a particularly reliable, in particular interference-free, wireless communication connection can be achieved, but also a coupling of a plurality of communication terminals to the communication infrastructure and/or vice versa is enabled, preferably with a separate optical-based communication connection. Thus, the communication infrastructure device can select which of the communication terminals it maintains a communication connection with by communicating within the respective optical frequency ranges. In principle, this can of course also be reversed if, for example, a communication terminal holds an optical-based communication connection to more than one single communication infrastructure. It can then be provided that the communication infrastructure is selected accordingly by the communication terminal by selecting the corresponding optical frequency range. This embodiment has also proved to be particularly advantageous when the communication infrastructure is used as a relay station in order to be able to couple, in a communication technology, other light deflection units which would otherwise not be within the communication range, for example, if a light-based wireless communication connection is not possible because of obstacles or the like. Depending on the requirements, a plurality of light frequency ranges can also be provided, which preferably do not overlap one another.
The communication unit preferably has an optical transmission element configured to emit light in a directional manner to provide the wireless communication connection. For this purpose, the transmitting element can have a suitable light source, for example a light-emitting diode, a laser diode, a combination circuit thereof or the like, which can be modulated depending on the data to be transmitted. Additionally, the transmitting element may also include optical elements such as mirrors, prisms, lenses, optical filters, combinations thereof, and the like. It is thereby possible to emit light in the direction of the light deflecting unit, so that the wireless communication connection is as complete as possible. Thus, it is not necessary to irradiate a spatial region which is not positioned in the direction of the light deflecting unit with the light of the transmitting element.
It is furthermore proposed that the communication unit is designed such that the optical transmission element and/or the optical reception element of the communication unit is preferably automatically aligned with the light deflection unit. This extension has proved to be particularly advantageous for installing the communication installation as a system according to the invention. If, for example, a light deflection unit is arranged afterwards and one or more corresponding communication infrastructure devices are installed, the azimuth angle into which the light is to be emitted can be set, in particular as a result of the respective arrangement, so that a light-based communication connection to the light deflection unit and then also to the specifiable spatial region can be established. For this purpose, one or more mechanically movable adjusting elements may be provided, or a mechanically movable communication unit may also be provided. In particular, the transmitting element or the receiving element may be adjusted accordingly. It has proven to be particularly advantageous if the communication infrastructure has a control unit which allows the alignment to be carried out at least partially automatically. Thus, for example, it can be provided that an azimuth angle is predefined and then implemented by automatically adjusting the communication unit, in particular the transmitting element and/or the receiving element. For the alignment, an indicator signal relating to the signal quality and/or the channel quality, etc., for example the quality of the provided communication connection, can be used for example for supporting the adjustment or alignment at the time of installation. The optical receiving element may be formed, for example, by a photodiode, a photoresistor, a phototransistor, a solar cell and/or by another suitable photosensitive device.
Advantageously, the communication unit is designed to focus the emitted light onto a specifiable area. The predeterminable area is different from the predeterminable spatial area and is preferably determined by or at least comprises the position of the light deflection unit. The communication unit preferably emits its light into the specifiable region. Thereby, the utilization rate of the light emitted from the communication unit can be further improved. If the light deflection unit comprises a plurality of light deflection elements, the predefinable area can be determined such that all light deflection elements are detected. Therefore, all the light deflecting elements can be irradiated with the light emitted from the communication unit.
It is further proposed that the communication unit is designed to emit light in a plurality of mutually different light frequency ranges and to focus the light of the respective light frequency range onto an allocated subregion of a plurality of subregions of the specifiable region. The predeterminable region may comprise a plurality of sub-regions which may be individually assigned to the respective light deflecting elements of the light deflecting unit. These sub-regions may overlap in space or be separated from each other. Thereby, a light-based communication connection specific to the light deflecting element can be provided.
Preferably, the communication unit is designed to emit light into a specifiable subregion of the specifiable region. Thereby, spatially separated communication areas can be created, in which communication can take place independently of one another. The communication unit can have for this purpose, for example, correspondingly assigned and aligned transmitting and/or receiving elements.
It is further proposed that the communication unit is designed to provide a respective individual communication channel for a predetermined plurality of communication terminals. The communication channel is based on the light-based communication connection and is used to establish a separate, preferably bidirectional, wireless communication connection between the communication terminal of the subscriber and the communication infrastructure. For this purpose, a frequency multiplexing method, a time multiplexing method, a code multiplexing method, a spatial multiplexing method, a wavelength/color multiplexing method, a combination thereof, and the like may be provided, wherein a plurality of signals may be transmitted collectively or in bundles and simultaneously via a medium (here, the optical-based communication connection). For example, in the case of the time division multiplexing method, a repetition time window individually allocated to the respective communication channels may be set.
In addition, there are naturally also the following possibilities: each communication channel comprises a predeterminable optical frequency range of the optical-based communication connection. The optical frequency ranges are preferably individually assigned to the respective communication channels. It is thereby achieved that even if other communication terminals and/or communication infrastructure devices communicate with each other at the same time, a largely interference-free individual communication can be achieved between the communication terminals and the communication infrastructure devices. Through these communication channels, it is therefore possible to achieve that the communications can be operated substantially, in particular, independently of one another. The assignment of one or more communication channels may initially be done by manual adjustment or automatically, e.g. by the communication infrastructure device sending the corresponding optical frequency ranges or communication channels to the communication terminal, etc.
It is further proposed that the light deflection unit has an alignment unit with which the light deflection unit is aligned, preferably automatically, such that the light is deflected into the specifiable spatial region. For this purpose, the alignment unit can have one or more adjustment elements which make it possible to align the light deflection unit correspondingly. The alignment may comprise both the positioning and the orientation of the light deflecting unit with respect to the predeterminable spatial region, also a translational displacement, an adjustment with respect to the diffraction properties of the light to be deflected, etc. The diffractive properties may also include scattering of light. This allows great flexibility in the realization of the specifiable spatial region, so that the desired wireless communication link can be realized with little effort.
The light deflecting unit preferably comprises at least one reflector element. The reflector element may be formed by a mirror or a surface having corresponding optical reflection properties. Preferably, the reflector element can also be formed by a coating which is mounted, for example, on a wall of a room in which the specifiable spatial region is located, for example, on a ceiling or the like. Of course, the coating may also be only partially mounted on the wall or the ceiling. A plurality of reflector elements which cooperate in a suitable manner can also be provided as required, whereby the predeterminable spatial region can be realized. With the reflector element, the light deflection unit can thus be matched to the predeterminable spatial region. In addition, it is of course also possible to supplement the provision of refractive elements such as lenses, prisms, combinations thereof or the like.
It has proven to be particularly advantageous if the at least one reflector element is formed integrally with a boundary wall of a room which at least partially comprises the specifiable spatial region. The boundary wall may be a suitable wall of the room, which at least partly limits the extension of the room. The boundary wall may be, for example, a ceiling, at least one sidewall, a floor, combinations thereof, or the like. The reflector element can be fixed in a predefinable manner in at least one region of the boundary wall by means of mechanical fastening possibilities, for example by means of mechanical connection techniques such as screws, rivets, adhesive bonding, welding or the like. In addition, however, the reflector element can also be formed by a coating which is mounted on the boundary wall at least in the region of the boundary wall, for example by means of brushing, spraying or the like. The reflector element can thus be connected integrally to or integrated into the already existing construction-technical element, so that the investment can be reduced overall.
According to one further development, the light deflection unit has at least one spectral filter element. The light-based communication connection can thereby be improved with regard to interference by ambient light. Thus, the influence of disturbing light can be reduced by the filter element. For this purpose, the filter element may be formed by a transparent suitable element, which provides a corresponding spectral filtering effect, such as a color wheel or the like. In addition, the filter element may also be formed by a polarization filter element. Thereby, a selection regarding the light to be deflected can be achieved.
The advantages and effects explained for the communication infrastructure according to the invention apply equally to the communication infrastructure according to the invention and also to the method according to the invention and vice versa. In particular, method features may thus also be expressed as apparatus features and vice versa.
Drawings
Further advantages and features can be obtained from the following description of embodiments on the basis of the figures. In the drawings, like reference numerals refer to like features and functions.
Figure 1 shows a schematic view of a communication facility according to the invention,
fig. 2 shows a schematic view as in fig. 1, wherein an optical connection of an optical based communication connection from a mobile radio communication terminal of a subscriber to a communication infrastructure is shown,
figures 3 to 9 show schematic views of further embodiments of the communication facility according to the invention as in figure 1,
figures 10 to 13 show schematic views of different light deflecting units for a communication installation according to the invention,
fig. 14 shows a schematic view as in fig. 1, with a plurality of light deflecting units based on the embodiment according to fig. 11,
figure 15 shows a diagram as in figure 2 for the embodiment according to figure 14,
fig. 16 shows a schematic view of a further embodiment of the communication facility according to the invention as in fig. 1 with a light deflection unit according to fig. 12, an
Fig. 17 shows a schematic view as in fig. 2 for the communication facility according to fig. 16.
Detailed Description
Fig. 1 shows a
The
The predefinable
The
The
The
In the present exemplary embodiment, it is provided that the predeterminable
Different embodiments of the
Fig. 4 shows a schematic view as in fig. 3, but unlike the embodiment according to fig. 3, the
Fig. 5 shows a further embodiment of the
Fig. 6 shows a combination of the embodiments according to fig. 3 and 5, in which the
Fig. 7 shows a further embodiment of a
Fig. 8 shows a further embodiment of a
Fig. 9 shows a further embodiment of a
Fig. 10 to 12 relate to different embodiments of the
In contrast, fig. 11 shows the
Fig. 12 shows a further embodiment of a
Fig. 13 shows a further embodiment of the invention, which is also particularly suitable for simple retrofitting. In this embodiment, the
By combining the
Fig. 14 shows a further embodiment of a
In this embodiment, it can be provided that the
Fig. 15 shows the relationship for the case of light-based data transmission from the
Fig. 16 shows a further embodiment of the
The transmission/reception areas of the
The above-described embodiments are merely illustrative of the present invention and should not limit the present invention.
List of reference numerals
10 Room
12 communication facility
14 communication connection
16 can predetermine the spatial region
18 communication terminal
20 communication network
22 communication infrastructure
24 light deflection unit
26 communication unit
28 converter unit
30 communication connection
32 coating
34 users
36 side wall
38 floor
40 ceiling
42 mirror
44 Table
46 column
48 sheet
50 laptop computer
52 casing
54 plug connection
56 mirror
58 coating.
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