The present invention relates to a Li-Fi based Ethernet connectivity and
data communication between the routers and the computing devices. The
invention more particularly relates to an apparatus for providing a Wireless
5 Ethernet connectivity over Li-Fi.
BACKGROUND OF THE INVENTION
[002] The present invention discloses a technology providing a Wireless
Ethernet connectivity over Li-Fi. Further, the implementation of a Li-Fi enabled
Ethernet connectivity between the routers and the plurality of computing
10 devices using this apparatus is discussed. Wireless communication is a very
enamouring technique to transmit data and gradually enlarges potential
application area. In particular, Li-Fi has more advantages pertaining to safe
and secure connection than any other wireless technology. It also can be
applied for the faster data transfer, which can be used with the Li-Fi based
15 Ethernet connectivity. However, a conventional wireless LAN system employs
Wi-Fi radios or Bluetooth radio network, and having the problem of limited
resources such as low bandwidth spectrum. As a result, there is potential
difficulty in handling large amounts of data or computations such as those
inherent in data transfer. In certain application areas such as some of the
20 hospital laboratories, the use of RF waves may be even prohibited.
[003] Furthermore, by using the Visible Light Communication (VLC), in
contrast to radio waves, the secure wireless connection can be established
more efficiently since the visible light could not radiate through most solid
objects. VLC has been applied for many use cases, one of them is Light-
3
Fidelity (Li-Fi) based wireless communication. With Li-Fi, internet access is no
longer using conventional RF spectrum as employed in Wi-Fi technology but
apply visible light for carrying the data signals between the servers, routers
and the computing devices.
5 [004] Accordingly, there remains a need in the prior art for a technical
convergence to make the system, apparatus, interfaces and method compact,
it is in this context that the present invention provides an apparatus for
providing a Wireless Ethernet connectivity over Li-Fi and further, offers the
safe usage of this system in the sensitive area like hospital especially in the
10 ICU’s or intensive care units. The existing systems are likely to cause
unhealthy effects on the patients’ in hospitals due to the radio frequency
interferences. The proposed system overcomes the effects by replacing the
wired Ethernet connectivity with Li-Fi based connection. Therefore, it would
be useful and desirable to have a system and interface to meet the above15 mentioned needs.
SUMMARY OF THE PRESENT INVENTION
[005] In view of the foregoing disadvantages inherent in the known types of
system and devices to provide LAN connection using wire or Wi-Fi, are now
present in the prior art, the present invention provides an apparatus for
20 providing a Wireless Ethernet connectivity over Li-Fi. The system is designed
with, but not limited to, a compact housing, which is used for transmitting the
converted Ethernet signals into the Li-Fi one by using a Li-Fi transmission unit
and a Li-Fi receiving unit, which has all the advantages of the prior art and
none of the disadvantages.
4
[006] One of the important aspect of the present invention, in which the
housing can be connected with other similar housings to expand the LAN
connection in a desired area, which is linked through a Li-Fi based transceiver
unit by using the requisite light sources.
5 [007] Another object of the present invention to replace the Wi-Fi or wired
Ethernet techniques with the Li-Fi one, the present invention is configured with
Li-Fi based protocols, interfaces and hardware units such as, but not limited
to, Li-Fi based transmission signal conversion circuit, a buffer circuit, light
modulation circuitry, transimpedance amplifier, signal conditioning &
10 amplification, optical sensors and other related amplifiers fitted with a light
source that could preferably be, but not limited to, a high intensity electric lamp
for data communication.
[008] It is an important aspect of the present invention to provide a Li-Fi based
Wireless Ethernet connectivity, which is based on Li-Fi linking, and can be
15 considered better than Wi-Fi /Radio Wave based systems because there are
some limitations in Wi-Fi, with their radio frequencies, data security and
confidentiality to deliver wireless connectivity.
[009] Another object of the present invention is to provide the light source with
a novel hardware interaction by combining and working of the Ethernet
20 connectivity over Li-Fi based hardware in order to serve wireless linking and
data communication purposes to offer better solution for connecting a number
of computing devices and also by reducing the installation cost and
environmental hazards for a premise through Li-Fi linking.
5
[010] In this respect, before explaining at least one object of the invention in
detail, it is to be understood that the invention is not limited in its application
to the details of set of rules and to the arrangements of the various models set
forth in the following description or illustrated in the drawings. The invention is
5 capable of other objects and of being practiced and carried out in various
ways, according to the need of that industry. Also, it is to be understood that
the phraseology and terminology employed herein are for the purpose of
description and should not be regarded as limiting.
[011] These together with other objects of the invention, along with the various
10 features of novelty which characterize the invention, are pointed out with
particularity in the disclosure. For a better understanding of the invention, its
operating advantages and the specific objects attained by its uses, reference
should be made to the accompanying drawings and descriptive matter in
which there are illustrated preferred embodiments of the invention.
15 BRIEF DESCRIPTION OF THE DRAWINGS
[012] The invention will be better understood and objects other than those set
forth above will become apparent when consideration is given to the following
detailed description thereof. Such description makes reference to the annexed
drawings wherein:
20 [013] FIG. 1 illustrates a block diagram for an apparatus for providing a
Wireless Ethernet connection over Li-Fi, in accordance with an embodiment
of the present invention; and
6
[014] FIG. 2 illustrates various hardware such as routers, signal converters
used at transmitting and receiving terminals, in accordance with another
embodiment of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
5 [015] While the present invention is described herein by way of example using
embodiments and illustrative drawings, those skilled in the art will recognize
that the invention is not limited to the embodiments of drawing or drawings
described and are not intended to represent the scale of the various
components. Further, some components that may form a part of the invention
10 may not be illustrated in certain figures, for ease of illustration, and such
omissions do not limit the embodiments outlined in any way. It should be
understood that the drawings and detailed description thereto are not intended
to limit the invention to the particular form disclosed, but on the contrary, the
invention is to cover all modifications, equivalents, and alternatives falling
15 within the scope of the present invention as defined by the appended claims.
As used throughout this description, the word "may" is used in a permissive
sense (i.e. meaning having the potential to), rather than the mandatory sense,
(i.e. meaning must). Further, the words "a" or "an" mean "at least one” and the
word “plurality” means “one or more” unless otherwise mentioned.
20 Furthermore, the terminology and phraseology used herein is solely used for
descriptive purposes and should not be construed as limiting in scope.
Language such as "including," "comprising," "having," "containing," or
"involving," and variations thereof, is intended to be broad and encompass the
subject matter listed thereafter, equivalents, and additional subject matter not
7
recited, and is not intended to exclude other additives, components, integers
or steps. Likewise, the term "comprising" is considered synonymous with the
terms "including" or "containing" for applicable legal purposes. Any discussion
of documents, acts, materials, devices, articles and the like is included in the
5 specification solely for the purpose of providing a context for the present
invention. It is not suggested or represented that any or all of these matters
form part of the prior art base or were common general knowledge in the field
relevant to the present invention.
[016] In this disclosure, whenever a composition or an element or a group of
10 elements is preceded with the transitional phrase “comprising”, it is
understood that we also contemplate the same composition, element or group
of elements with transitional phrases “consisting of”, “consisting”, “selected
from the group of consisting of, “including”, or “is” preceding the recitation of
the composition, element or group of elements and vice versa.
15 [017] The present invention is described hereinafter by various embodiments
with reference to the accompanying drawings, wherein reference numerals
used in the accompanying drawing correspond to the like elements throughout
the description. This invention may, however, be embodied in many different
forms and should not be construed as limited to the embodiment set forth
20 herein. Rather, the embodiment is provided so that this disclosure will be
thorough and complete and will fully convey the scope of the invention to those
skilled in the art. In the following detailed description, numeric values and
ranges are provided for various aspects of the implementations described.
These values and ranges are to be treated as examples only and are not
8
intended to limit the scope of the claims. In addition, a number of materials are
identified as suitable for various facets of the implementations. These
materials are to be treated as exemplary and are not intended to limit the
scope of the invention.
5 [018] Referring now to the drawings, these are illustrated in FIGS. 1 & 2, the
present invention discloses an apparatus for providing a Wireless Ethernet
connection over Li-Fi. The apparatus is comprised of, but not limited to, a LiFi based transceiver unit communicatively coupled with a router to receive and
transmit Ethernet signals between the routers and computing devices. Further,
10 the Li-Fi based transceiver unit is configured to connect a plurality of
computing devices with the router.
[019] In accordance with another embodiment of the present invention, the
single compact housing having a Li-Fi based transceiver unit communicatively
coupled with a Li-Fi transmitter unit; and the Li-Fi based transceiver unit is
15 further communicatively coupled with the one or more router or with the one
or more other similar housings having Li-Fi based transceiver unit for providing
data communication between the computing devices, routers or servers.
[020] In accordance with another embodiment of the present invention, the
working of the Li-Fi based transceiver unit is classified into, but are not limited
20 to, two mechanism, which is a Li-Fi based receiver unit and a Li-Fi based
transmitter unit.
[021] In accordance with another embodiment of the present invention, the LiFi based transmitter unit is comprised of, but not limited to, a transmission
signal conversion circuit, a buffer circuit, a modulation circuit, and a light
9
source. Further, the transmission signal conversion circuit is configured to
have a differential to single ended conversion, and the modulation circuit is
further connected with a power source.
[022] In accordance with another embodiment of the present invention, the Li5 Fi based receiver unit is comprised of a Photo-Sensor, a transimpedance
amplifier, an amplifier and a wave shaping and conversion to differential signal
circuit. Further, the wave shaping and conversion to differential signal circuit
is configured to convert the data signal into the requisite Ethernet signals.
[023] In accordance with another embodiment of the present invention, the Li10 Fi based transceiver unit includes, but are not limited to, various ports,
interfaces and a Li-Fi supporting circuitry enabling the data communication
between routers and computing devices through the Li-Fi, and can be
optionally communicatively coupled with the other similar housings (the Li-Fi
based transceiver units) as already described in above paragraph, by using
15 the requisite designated ports.
[024] In accordance with another embodiment of the present invention, the
one or more Li-Fi based transceiver units is connected with each other through
the Li-Fi based transmitter unit and Li-Fi based receiver & wave shaping
circuit.
20 [025] In accordance with another embodiment of the present invention, the
housing can be further comprised of, but not limited to, a wave-shaping circuit
for making the received signal into desired format and further transmitted to
the next requisite unit.
10
[026] The above-mentioned apparatus for providing a Wireless Ethernet
connection over Li-Fi, which is more efficient and genuine substitute of RF
based wireless network or conventional wired network. The Li-Fi link based
apparatus having wireless Ethernet connectivity over the Li-Fi, which is an
5 eco-friendly data communication system through a visible light communication
that perform data transmission to the Li-Fi based modules. A connection
protection techniques and methods that co-operates with wireless network
and visible light communication to achieve reliability and performance
overcoming the drawbacks from the pre-existing system is invented.
10 [027] It is to be understood that the above description is intended to be
illustrative, and not restrictive. For example, the above-discussed
embodiments may be used in combination with each other. Many other
embodiments will be apparent to those of skill in the art upon reviewing the
above description.
15 [028] The benefits and advantages which may be provided by the present
invention have been described above with regard to specific embodiments.
These benefits and advantages, and any elements or limitations that may
cause them to occur or to become more pronounced are not to be construed
as critical, required, or essential features of any or all of the embodiments.
20 [029] While the present invention has been described with reference to
particular embodiments, it should be understood that the embodiments are
illustrative and that the scope of the invention is not limited to these
embodiments. Many variations, modifications, additions and improvements to
the embodiments described above are possible. It is contemplated that these
11
variations, modifications, additions and improvements fall within the scope of
the invention.

We Claim:
1. An apparatus for providing a Wireless Ethernet connection over Li-Fi,
comprising:
a Li-Fi based transceiver unit communicatively coupled with a router to receive
5 and transmit Ethernet signals between the routers and computing devices; and
wherein the Li-Fi based transceiver unit is configured to connect a plurality of
computing devices with the router.
2. The apparatus as claimed in claim 1, wherein the one or more router is
connected with the one or more Li-Fi based transceiver unit for providing data
10 communication between the computing devices.
3. The apparatus as claimed in claim 1, wherein the working of the Li-Fi based
transceiver unit is classified into two mechanism, which is a Li-Fi based receiver
unit and a Li-Fi based transmitter unit.
4. The apparatus as claimed in claim 3, wherein the Li-Fi based transmitter unit is
15 comprised of a transmission signal conversion circuit, a buffer circuit, a
modulation circuit, and a light source.
5. The apparatus as claimed in claim 4, wherein the transmission signal
conversion circuit is configured to have a differential to single ended
conversion.
20 6. The apparatus as claimed in claim 4, wherein the modulation circuit is further
connected with a power source.
7. The apparatus as claimed in claim 3, wherein the Li-Fi based receiver unit is
comprised of a Photo-Sensor, a transimpedance amplifier, an amplifier and a
wave shaping and conversion to differential signal circuit.
13
8. The apparatus as claimed in claim 7, wherein the wave shaping and conversion
to differential signal circuit is configured to convert the data signal into the
requisite Ethernet signals.
9. The apparatus as claimed in claim 1, wherein the Li-Fi based transceiver unit
5 includes ports, interfaces and a Li-Fi supporting circuitry enabling the data
communication between routers and computing devices through the Li-Fi.
10.The apparatus as claimed in claim 1, wherein the one or more Li-Fi based
transceiver unit is connected with each other through the Li-Fi based transmitter
unit and Li-Fi based receiver & wave shaping circuit.