US20230110812A1 - Connectivity Matrix for Rapid 5G/6G Wireless Addressing - Google Patents
Connectivity Matrix for Rapid 5G/6G Wireless Addressing Download PDFInfo
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Definitions
- 63/272,352 entitled “Sidelink V2V, V2X, and Low-Complexity IoT Communications in 5G and 6G”, filed Oct. 27, 2021
- U.S. Provisional Patent Application Ser. No. 63/288,237 entitled “V2X with 5G/6G Image Exchange and AI-Based Viewpoint Fusion”, filed Dec. 10, 2021
- U.S. Provisional Patent Application Ser. No. 63/288,807 entitled “V2X Messaging in 5G/6G with Simultaneous GPS Reception”, filed Dec.
- the invention relates to systems and methods for localizing, identifying, and communicating with vehicles in traffic and fixed assets.
- each entry comprises an index value; each entry is associated with a vehicle or a fixed asset; each entry indicates a wireless address of the associated vehicle or fixed asset; each vehicle or fixed asset, associated with an entry in the tabulation, visibly displays a matrix comprising a plurality of rectangular fields; each field of the plurality of fields is colored black or white according to a code; and the code comprises the index value of the entry associated with the vehicle or fixed asset.
- non-transitory computer-readable media containing instructions that when implemented in a computing environment cause a method to be performed, the method comprising: maintaining, in further non-transitory computer-readable media, a tabulation of entries, each entry comprising an index value and a wireless address of a vehicle or a fixed asset; receiving a request message specifying a code, the code indicated by a matrix, the matrix comprising black and white rectangular fields visibly displayed by a particular vehicle or fixed asset; determining a particular index value according to the code; selecting a particular entry of the tabulation according to the particular index value; determining a particular wireless address comprising the particular entry; and transmitting a reply message indicating the particular wireless address.
- a first vehicle in traffic comprising a second vehicle, the first vehicle configured to: observe, using a camera or sensor, a matrix displayed by the second vehicle, the matrix comprising a plurality of fields colored black or white according to a binary code; determine the binary code of the matrix; determine an entry in a tabulation, the entry associated with the code; determine, according to the entry, a wireless address of the second vehicle; and transmit a wireless message, according to the wireless address, to the second vehicle.
- FIG. 1 A is a schematic sketch of an exemplary embodiment of a computer-readable wireless identification matrix, according to some embodiments.
- FIG. 1 B is a schematic sketch of another exemplary embodiment of a computer-readable wireless identification matrix, according to some embodiments.
- FIG. 1 C is a schematic sketch of an exemplary embodiment of computer-readable wireless identification matrix on vehicles, according to some embodiments.
- FIG. 2 A is a schematic sketch of an exemplary embodiment of a wireless address tabulation, according to some embodiments.
- FIG. 2 B is a schematic sketch of another exemplary embodiment of a wireless address tabulation, according to some embodiments.
- FIG. 3 is a schematic showing an exemplary embodiment of a single entry in a wireless address tabulation, according to some embodiments.
- FIG. 4 is a sequence chart showing an exemplary embodiment of a procedure for a vehicle to initiate wireless communication with another vehicle, according to some embodiments.
- FIG. 5 A is a schematic sketch showing an exemplary embodiment of a fixed-asset application, according to some embodiments.
- FIG. 5 B is a schematic sketch showing an exemplary embodiment of a traffic sign with matrix, according to some embodiments.
- FIG. 5 C is a schematic sketch showing an exemplary embodiment of an access point with matrix, according to some embodiments.
- FIG. 6 A is a schematic sketch of an exemplary embodiment of a computer-readable matrix with illuminators, according to some embodiments.
- FIG. 6 B is a schematic sketch of another exemplary embodiment of a computer-readable matrix with illuminators, according to some embodiments.
- 5G/6G procedures that enable autonomous and semi-autonomous vehicles to determine the wireless addresses of other autonomous vehicles and other items in traffic, using a low-cost computer-readable “connectivity matrix”, and optionally a tabulation of wireless addresses.
- Systems and methods disclosed herein can provide urgently needed wireless communication protocols to provide specific wireless connectivity rapidly in traffic, thereby enabling cooperation and communication among vehicles and fixed assets. With such capabilities, vehicles can reduce traffic fatalities, facilitate traffic flow, and provide V2V and V2X communication options appropriate for 5G and 6G technologies, according to some embodiments.
- Cooperation among autonomous vehicles in traffic depends on each vehicle being able to communicate specifically with a particular one of the other vehicles. However, this is possible only if the transmitting vehicle knows the wireless address of the other vehicle.
- a vehicle may advantageously communicate with a fixed asset on the land, but this also requires that the vehicle knows the associated frequency and wireless address.
- the fixed asset may need to initiate communication with the vehicle, for example to warn the vehicle of a hazard, but must first determine the wireless address of the vehicle.
- Beamforming has been considered as a method for communicating specifically with a single intended recipient.
- a complex antenna is configured to transmit a directional “beam” message toward the other vehicle.
- beams inevitably have side-lobes which can spill over onto adjacent vehicles, especially in adjacent lanes.
- reflected energy from metallic conductors, such as vehicles interfere with the primary beam and further complicate beam specificity.
- beam energy inevitably continues traveling beyond the intended recipient, and may then be received by other vehicles in the same direction.
- An entity such as a vehicle or fixed asset may display a “connectivity matrix”, a rectangular array of black and white fields encoding the wireless address and/or other data of the entity.
- Other wireless entities can determine the “connectivity code” according to the black and white fields, and thereby communicate specifically with the entity, according to some embodiments.
- a device or entity “knows” something if the device or entity has the relevant information.
- An “autonomous” vehicle is a vehicle operated by a processor, with little or no human control most of the time.
- a “semi-autonomous” vehicle is a vehicle at least partially operated by a processor, or which can be fully operated by a processor temporarily, such as during emergency intervention.
- a wireless message is “unicast” if it is addressed specifically to a particular recipient, and “broadcast” if it is transmitted without specifying a recipient.
- V2V means vehicle-to-vehicle messaging.
- V2X means vehicle-to-everything messaging.
- a “vehicle” is to be construed broadly, including any mobile conveyance such as cars, trucks, busses, motorcycles, scooters, and the like.
- Entities such as wireless entities
- “Entities” represents systems or devices capable of wireless communication such as connected vehicles, pedestrians with smart phones, roadside access points or base stations, and so forth.
- “Fixed assets” include non-mobile objects that either include or are associated with a wireless transceiver.
- Wireless communication with a vehicle may include communicating with a processor in that vehicle, such as a processor connected to a wireless transceiver. Likewise a vehicle may transmit a message by causing the transceiver to transmit a message provided by the processor.
- a “sequence chart” is a chart showing actions of various entities versus time as boxes along horizontal lines, similar to an oscilloscope or logic analyzer display. Further terms will be defined as needed in examples.
- the connectivity matrix includes multiple black and white fields in a visible computer-readable array, encoding a “connectivity code” such as the entity's wireless address and/or other information about the entity. For example, there may be a tabulation of wireless addresses arranged according to an index code, and the connectivity code may include that index. Another entity, reading the connectivity code, may then obtain the wireless address from the tabulation.
- the connectivity matrix may be configured as a two-dimensional array of black and white (or other contrasting) squares representing binary bits.
- the connectivity matrix may be formatted as a DataMatrix array, a QR type array, or other computer-readable representation of information.
- the connectivity matrix is displayed exteriorly on a vehicle or other wireless entity.
- Other vehicles or their cameras or other sensors
- a vehicle or other entity can determine the connectivity code displayed by the matrix.
- the wireless address of the entity bearing the connectivity matrix is shown on the code directly.
- the code is an index of a tabulation of entries, each entry containing the wireless address associated with that index value, among other information about the entity bearing the connectivity matrix.
- the entities can then communicate specifically, thereby enabling V2V and V2X communication and intervehicle cooperation in traffic to avoid collisions and manage the traffic flow, according to some embodiments.
- the connectivity matrix may be variable.
- the connectivity matrix can be turned on and off. For example, when a driver switches from autonomous mode to human-operated mode, the processor is no longer in control of the vehicle, and therefore communication on its wireless address would be futile. Accordingly, the connectivity matrix may be turned off, or rendered non-visible, to avoid sending conflicting information to other vehicles.
- the white fields in the connectivity matrix may be illuminated by small light emitters such as white LEDs (light-emitting diodes), which may be turned off when the vehicle is switched to non-autonomous mode (thus rendering the connectivity matrix all black) and switched on when in autonomous mode.
- the connectivity matrix may be left on during that time, so that other vehicles can trigger the emergency intervention when necessary to avoid a traffic hazard, for example.
- the connectivity code may be changed by programming a different set of LEDs to be illuminated, thereby updating the code or the wireless address displayed on the connectivity matrix, according to some embodiments.
- a “wireless address tabulation” is a file or database or other collection of information, organized as a number of entries, each entry corresponding to a particular index value, which may be indicated by a connectivity code.
- Each entry of the tabulation includes a wireless address associated with each connectivity code.
- Each entry may also include data about a particular autonomous vehicle or other wireless entity.
- the data in a particular entry, associated with a particular connectivity code may include the wireless address of the entity that holds a matrix displaying that particular connectivity code.
- the entity may be a vehicle or a fixed asset or other device or system configured for wireless communication.
- each entry of the wireless address tabulation may provide the wireless address, such as the MAC (media access control) address, of the vehicle or entity holding the associated connectivity code.
- Other parameters such as frequencies and bandwidths and default modulations, may also be included, according to some embodiments.
- the tabulation of wireless addresses may be publicly accessible on, for example, the Internet and/or other on-line compilations of information. Members of the general public may be able to download, or otherwise copy, the wireless address tabulation, or regional portions thereof. Using such a copy, a vehicle or other entity can look up the wireless address of another vehicle or entity that displays a connectivity matrix. By reading the connectivity code displayed on the matrix, and then selecting the associated entry in the wireless address tabulation, the wireless address and other information about the entity displaying the connectivity matrix may be obtained. For example, a first vehicle may copy or otherwise obtain the wireless address tabulation, or a portion thereof, and may retain it in a memory.
- the first vehicle may view a second vehicle in traffic, and may read the connectivity code on a connectivity matrix displayed by the second vehicle.
- the first vehicle may then find, in the copied wireless address tabulation, an entry corresponding to that connectivity code, and may read the wireless address contained in that entry.
- the first vehicle can then communicate with the second vehicle by transmitting a message using the second vehicle's wireless address, as determined from the tabulation, according to some embodiments.
- a vehicle may determine another vehicle's wireless address without possessing a copy of the wireless address tabulation. For example, a first vehicle in traffic may view a second vehicle's connectivity matrix and read the code therein. The first vehicle may then transmit an interrogation message to a remote address or site (such as an Internet site) operated by a connectivity manager. The request message may specify the connectivity code and may request the associated wireless address. The connectivity manager may then reply with that wireless address. The connectivity manager may be an entity tasked with maintaining the wireless address tabulation, and may provide wireless addresses responsive to such requests, for example. The connectivity manager may also provide other data such as publicly available identification data, such as the license plate of the vehicle associated with that connectivity code.
- the connectivity manager may be a government agency, a publicly funded corporation, an international organization, or other entity. If the message requests just the wireless address associated with the specified connectivity code, then the manager may reply with that address. If the message requests the entire entry associated with the specified connectivity code, the manager may provide the entire entry, according to some embodiments.
- a fixed asset such as a roadside device or building may display a connectivity matrix showing the wireless address of that fixed asset.
- a network asset may display a connectivity matrix showing its main address or frequency on which new users may connect with the network.
- the connectivity code may indicate how new users can obtain system information from that network asset and begin registering on the network.
- the connectivity code may indicate a frequency of the base station's broadcast channel on which system information is periodically transmitted, thereby avoiding a tedious blind search and other steps in gaining registration, according to some embodiments.
- the connectivity matrix may be variable.
- the connectivity matrix structure may include illuminators and/or variable fields, so that the connectivity code may be changed when necessary, and turned off when not in use.
- each white field may be illuminated by a small white LED, and the connectivity code determines which of the LEDs are illuminated.
- the black and white fields may be controlled by solid-state shutters such as liquid-crystal squares that can be changed from opaque to transparent by applying a voltage.
- the connectivity code can then be changed by changing which voltage is applied to each of the fields.
- the matrix may be back-illuminated by, for example, built-in light emitters, or it may use ambient light for contrast between the light and dark fields, according to some embodiments.
- a first vehicle in traffic can determine the wireless address of a second vehicle by reading the second vehicle's connectivity matrix using, for example, a camera.
- the first vehicle can then transmit a unicast message addressed exclusively to the second vehicle using, for example, a sidelink channel or other frequency allocated for V2V or V2X communication.
- the wireless messages may be transmitted according to 5G or 6G sidelink specifications. For example, if an access point or base station is within range, the communication may be transmitted according to 5G/6G sidelink “mode-1”, in which the base station sets the timing and manages the vehicle messages. If no network interface is available, the vehicles may set up a “mode-2” sidelink network in which the timing and bandwidths are managed by the vehicles themselves. Alternatively, the vehicles may transmit their messages according to another technology such as Wi-Fi or transmitting at-will, for example.
- the connectivity code can indicate further information about the vehicle or entity bearing the connectivity matrix, such as whether the vehicle is autonomous, semi-autonomous, or exclusively human-operated. Alternatively, that information may be included in the vehicle's entry in the wireless address tabulation.
- a first vehicle may read the connectivity code of a second vehicle and transmit a message to the second vehicle indicating the first vehicle's wireless address, so that the second vehicle can then send other messages to the first vehicle unicast.
- the first vehicle can include, in its message to the second vehicle, information indicating the first vehicle's physical position relative to the second vehicle, so that the second vehicle can determine which of the proximate vehicles is transmitting the message.
- the first vehicle's message may include data indicating that the first vehicle is “35 meters behind you and one lane to the left”, and sensors on the second vehicle can view the first vehicle accordingly.
- the vehicles can then associate the other vehicle's wireless address with the particular vehicle observed, and can follow or track each other as they move in traffic.
- vehicles in traffic may be configured to obtain the wireless addresses of proximate vehicles proactively. For example a first vehicle may look up the wireless addresses of other vehicles that display a connectivity matrix, as soon as they come into view, and this may be done automatically even when there is no message to send. Then, if an emergency suddenly arises, the first vehicle can initiate communication with the other vehicles immediately, saving valuable time.
- FIG. 1 A is a schematic sketch of an exemplary embodiment of a computer-readable wireless identification matrix, according to some embodiments.
- the connectivity matrix 100 may include a plurality of black and white (or other contrasting color), nominally square, adjacent fields in a rectangular or square array, each field colored to indicate one binary bit of a connectivity code.
- black may represent binary “0”
- white may represent binary “1”, or vice-versa.
- the depicted example is formatted as a DataMatrix array including 48 information bits surrounded by a black and white orientation border (black on left and bottom borders, alternating black and white across the top and right side).
- the 48-bit code may be the vehicle's MAC address, for example.
- Other vehicles detecting the connectivity matrix 100 using sensors, and reading the 48-bit code using a camera for example, may thereby determine that vehicle's wireless address and may then communicate specifically with that vehicle. For example, a first vehicle in traffic may detect an imminent collision with a second vehicle in front, and may read the second vehicle's connectivity matrix 100 , thereby determining the second vehicle's wireless address.
- the first vehicle may then transmit an emergency message to the second vehicle asking it to speed up quickly, to avoid a collision.
- the connectivity matrix 100 may enable cooperative actions by vehicles in traffic, and may thereby prevent or mitigate collisions, saving countless lives, according to some embodiments.
- FIG. 1 B is a schematic sketch of another exemplary embodiment of a computer-readable wireless identification matrix, according to some embodiments.
- a larger connectivity matrix 101 includes 100 data squares surrounded by an orientation border.
- the connectivity matrix 101 may be affixed to a vehicle or other wireless entity, thereby allocating a unique 100-bit code to the entity.
- a vehicle may display the connectivity matrix on, for example, the front and back, and optionally also the sides, of the vehicle, so that other vehicles can view the pattern and read the code.
- a connectivity manager may be responsible for allocating the connectivity codes to various entities that request them.
- the connectivity manager may thereby maintain a wireless address tabulation in which each registered vehicle in the tabulation has an associated entry, the entry is associated with the vehicle's displayed connectivity code, each code is uniquely assigned, and duplicates are avoided.
- Each vehicle's entry in the wireless address tabulation may be a listing of that vehicle's allocated connectivity code along with its wireless address, and optionally other information of the vehicle or entity holding that code.
- the first vehicle when a first vehicle in traffic needs to transmit a message to a second vehicle displaying a connectivity matrix, the first vehicle can obtain the connectivity code from the matrix image, and then look up the second vehicle's wireless address corresponding to that connectivity code in a copy of the wireless address tabulation (or a portion thereof).
- the first vehicle may transmit a message to the connectivity manager requesting the wireless address corresponding to the connectivity matrix, which the connectivity manager may then supply in a return message.
- the second vehicle's matrix may indicate, in the bit pattern, the wireless address of the second vehicle.
- the first vehicle can determine the wireless address of the second vehicle according to the connectivity code displayed by the second vehicle, and can then transmit a message specifically to the second vehicle using the second vehicle's wireless address.
- the first vehicle may include its own wireless address in the message, so that the second vehicle can reply specifically to the first vehicle.
- the connectivity manager may supply further data about the second vehicle, such as its license plate code, whether it is autonomous, and other wireless parameters, if requested.
- the wireless address tabulation may provide only publicly available information that vehicles in traffic may need to communicate V2V and V2X.
- the publicly available information may include readily visible information, such as the type and color of vehicle, its license plate, and other readily visible information. All other information, other than readily visible features and public information, may be considered private and may be excluded from the tabulation.
- an autonomous vehicle or a person or other entity may transmit a registration request message to the connectivity manager specifying the vehicle's MAC address, and the connectivity manager may set up an entry in the wireless address tabulation using a randomly selected connectivity code.
- the connectivity manager may include that wireless address in the entry, and may transmit the assigned connectivity code back to the vehicle.
- the connectivity matrix can then be printed, or otherwise fabricated, with the associated connectivity code.
- a vehicle or owner may register in the wireless address tabulation by specifying a particular connectivity code that the vehicle or owner wishes to use.
- the desired code may include the vehicle's wireless address. If the requested code is available, the connectivity manager may generate an entry with that code as the index. The vehicle may then display a connectivity matrix with that code, so that other vehicles may read the code and determine the wireless address directly, without having to interrogate the connectivity manager or look up the entry in the wireless address tabulation.
- the 48-bit MAC address may be encoded in a region of the connectivity matrix, and vehicles viewing the connectivity matrix may determine the wireless address of the vehicle without using a wireless address tabulation.
- the first 24 bits may be encoded with the ASCII (American Standard Code for Information Interchange) code for “MAC”, followed by the 48-bit MAC address of the vehicle's autonomous processor, followed by other information such as a frequency in the final 28 bits.
- ASCII American Standard Code for Information Interchange
- some of those bits may be allocated to error detection, such as parity bits.
- the wireless address obtained using the connectivity code or the wireless address tabulation may be an address code of a particular processor on that vehicle.
- the address code may be the address of a message-entry processor connected to the wireless receiver in an autonomous or semi-autonomous vehicle.
- the message-entry processor may be configured to analyze incoming messages to detect malware or other inappropriate messaging, and to protect the system against malicious intent.
- the message-entry processor (or another processor in the vehicle) may include artificial intelligence (AI) configured to detect malicious messages, and to recognize and prioritize emergency messages and other types of legitimate wireless activity.
- AI artificial intelligence
- an AI structure such as a neural net may be trained by machine learning to discriminate different types of communications, thereby enabling a rapid cooperative response to a legitimate collision-avoidance request, while rejecting harmful or deceptive communication attempts.
- the message-entry processor may include an updating feature whereby the AI structure, or an algorithm derived from it for field use, may be revised periodically, using a secure on-line connection for example, to provide the most up-to-date malware detection algorithms.
- the message-entry processor may record messages that seem suspicious, and may upload those periodically to a central entity tasked with detecting new threat patterns.
- FIG. 1 C is a schematic sketch of an exemplary embodiment of computer-readable wireless identification matrix on vehicles, according to some embodiments.
- a vehicle 110 is shown with a connectivity matrix 111 mounted on the back, and a second vehicle 120 with a connectivity matrix 121 on the front.
- the connectivity matrixes 111 - 121 are large enough that other vehicles, or their cameras or sensors, can detect the individual fields with high reliability, yet not so large to obscure other parts of the vehicle (the license plate, various lamps, the radiator screen, the trunk handle, for example).
- the connectivity matrix is large enough to be resolved by cameras or sensors on vehicles at a distance corresponding to vehicle separations in traffic, such as 20 or 50 or 100 meters.
- each black or white field is large enough to be readily viewed and resolved by other vehicles, such as each field being 5 or 10 or 20 mm in width and height.
- FIG. 2 A is a schematic sketch of an exemplary embodiment of a wireless address tabulation, according to some embodiments.
- the wireless address tabulation 201 is depicted, quite schematically, as a paper containing entries 202 , each entry 202 corresponding to an assigned connectivity code.
- the wireless address tabulation 201 is envisioned as an electronic file or the like, not as a paper, unless someone wants to print it out.
- a first autonomous vehicle 203 bearing a first connectivity matrix 205 and a second autonomous vehicle 204 with a second connectivity matrix 206 .
- the connectivity matrixes 205 - 206 are mounted on the sides of the vehicles 203 - 204 , while additional copies may be mounted on the front and back of the vehicles 203 - 204 , not shown.
- the first vehicle 203 has downloaded the wireless address tabulation 201 , as indicated by an arrow 207 , and has stored it in non-transitory computer-readable media for mobile use, particularly when out of range of a network.
- the first vehicle using its camera, reads the code contained in the second vehicle's connectivity matrix 206 (if it has not already done so), then looks in the wireless address tabulation 201 for the entry corresponding to that code (if not already done), and thereby determines the second vehicle's wireless address.
- the first vehicle 203 transmits the message 208 to the second vehicle 204 , which the second vehicle 204 receives and, cooperating with the first vehicle 203 , avoids the imminent collision.
- the first vehicle 203 may be configured to read the connectivity codes of all vehicles as soon as they come into view, and determine their wireless addresses automatically, and store the address codes in memory until the second vehicle moves out of view or out of range. In that case, the first vehicle 203 may already know the second vehicle's wireless address when the emergency arises, thereby saving precious milliseconds.
- the second vehicle's connectivity matrix 206 may provide its wireless address directly encoded in the connectivity code, as shown in FIG. 1 A for example.
- the first vehicle 203 does not need to refer to the wireless address tabulation 201 , but instead can read the wireless address directly from the second vehicle's connectivity matrix. The first vehicle 203 can then transmit the message 208 to the second vehicle 204 using that address, thereby avoiding the delay of interrogating the wireless address tabulation.
- FIG. 2 B is a schematic sketch of another exemplary embodiment of a wireless address tabulation, according to some embodiments.
- a base station 231 or access point depicted as an antenna, has previously obtained a copy of the wireless address tabulation 221 , as indicated by the arrow 227 .
- the wireless address tabulation 221 includes entries 222 associated with connectivity codes on vehicles.
- a first vehicle 223 displays a first connectivity matrix 225
- a second vehicle 224 displays a second connectivity matrix 226 .
- An emergency arises, and sensors on the first vehicle 223 can read the second connectivity matrix 226 of the second vehicle 224 .
- the first vehicle can transmit a wireless message 230 to the base station 231 including the data in the second connectivity matrix 226 .
- the message may include an image of the connectivity matrix or, much more compactly, the 100-bit value encoded therein.
- the base station 231 finds the entry 232 corresponding to that connectivity code 226 and transmits the corresponding wireless address 229 back to the first vehicle 223 .
- the first vehicle 223 thereby determines the wireless address of the second vehicle 224 , and transmits a message 228 to the second vehicle 224 , enabling cooperating to avoid the collision.
- the first vehicle 223 may be configured to read the second vehicle's connectivity matrix 226 , interrogate the base station, receive the associated entry 229 , and thereby determine the second vehicle's wireless address before the emergency occurred, such as determining the wireless address as soon as the second vehicle comes into view. By checking the wireless addresses of proximate vehicles automatically, the first vehicle 223 may be able to initiate communications more rapidly than otherwise.
- FIG. 3 is a schematic showing an exemplary embodiment of an entry of a wireless address tabulation, according to some embodiments.
- the entry 300 may be associated with a particular connectivity code and a particular wireless address of a particular entity such as a vehicle.
- the entry 300 may include one or more sections, each section providing different information about the associated vehicle or entity.
- the entry 300 includes an identification section 301 including the connectivity code that the entry 300 corresponds to, and optionally the associated license plate code, the type of entity involved, and other public information if known.
- the entry 300 also includes a wireless information section 302 including the wireless address, such as the MAC address and/or a Wi-Fi address of the associated entity's processor, along with optionally any limitations or special requirements, among other information as available.
- FIG. 4 is a sequence chart showing an exemplary embodiment of a procedure for a vehicle to initiate wireless communication with another vehicle, according to some embodiments.
- actions of two vehicles are shown as boxes on horizontal lines, and actions of a base station or access point are shown on a third line.
- the horizontal axis represents time.
- Causation is indicated by tilted arrows accounting for the time delay of signals or actions.
- Vehicle-1 first views Vehicle-2 at 401 and determines the connectivity code displayed on Vehicle-2's matrix.
- Vehicle-1 transmits a request message 402 to a connectivity manager via the base station.
- the connectivity manager replies via the base station with a message 403 indicating the wireless address of Vehicle-2.
- Vehicle-1 receives the message 404 and then transmits an emergency message 405 to Vehicle-2.
- Vehicle-2 receives the message at 406 and responds with an acknowledgement 407 which Vehicle-1 receives. In this way, using the connectivity matrix and the remote wireless address tabulation, Vehicle-1 has established unicast communication with Vehicle-2.
- Vehicle-1 may download the wireless address tabulation from a portal, such as a base station, or from an Internet connection, or other link in communication with the connectivity manager. Then, upon viewing the connectivity matrix on Vehicle-2 and reading its connectivity code, Vehicle-1 may look up the corresponding entry in its copy of the wireless address tabulation, and may thereby determine the wireless address of Vehicle-2, and proceed to communicate with Vehicle-2.
- a portal such as a base station
- Vehicle-1 may look up the corresponding entry in its copy of the wireless address tabulation, and may thereby determine the wireless address of Vehicle-2, and proceed to communicate with Vehicle-2.
- Vehicle-2's connectivity code may include an indication of its wireless address, in which case Vehicle-1 may initiate communication with Vehicle-2 upon reading Vehicle-2's matrix, instead of looking for the entry in the wireless address tabulation.
- FIG. 5 A is a schematic sketch showing an exemplary embodiment of a fixed-asset application, according to some embodiments.
- a vehicle 501 such as an autonomous vehicle approaches a fixed asset depicted as a business site 502 which displays a connectivity matrix 503 .
- the vehicle 501 may read the matrix 503 , and determine the wireless address of the business 502 , or more specifically, the wireless address of a transceiver in the business 502 .
- the vehicle 501 may then transmit a message to the business 502 such as “Is the fish fresh today?”.
- FIG. 5 B is a schematic sketch showing an exemplary embodiment of a traffic sign, according to some embodiments.
- a vehicle 511 approaches a street sign 512 with a connectivity matrix 513 indicating a wireless address.
- the matrix 513 may indicate the wireless address of a site that provides directions to vehicles that are lost, or other information.
- the vehicle 511 may transmit a message asking, for example, “Does Maple Avenue cross Main Street?”.
- a traffic signal 514 with another connectivity matrix 515 may be read the matrix 515 , determine a wireless address associated with the traffic signal 514 , and transmit a message to it, such as “How long until you change to green?” or “I am a physician and this is an emergency.”
- FIG. 5 C is a schematic sketch showing an exemplary embodiment of an access point with a connectivity matrix, according to some embodiments.
- a vehicle 521 is in view of a base station 522 or access point depicted as an antenna with an associated connectivity matrix 523 .
- the matrix 523 may provide an identity that enables the vehicle 521 to obtain, from a wireless address tabulation, the login frequency of the base station 522 .
- the base station's entry in a wireless address tabulation may also include system information needed to register on that base station 522 , such as frequencies and bandwidths and network parameters specific to that base station 522 , so that the vehicle 521 can then transmit a message 524 and register with the base station 522 without performing complex 5G/6G protocols to find that information.
- the connectivity matrix 523 may indicate the broadcast frequency of the base station 522 on which the base station 522 transmits system information.
- the entry may indicate how a user device can communicate with the base station, including specifying one or more additional frequencies or channels on which further system information may be transmitted.
- the entry may indicate a frequency or channel on which the user device can transmit a message to the base station, such as a “random access preamble” message requesting registration on that base station, according to some embodiments.
- FIG. 6 A is a schematic sketch of an exemplary embodiment of a computer-readable connectivity matrix with illuminators, according to some embodiments.
- an illuminated variable connectivity matrix 600 may include, in each field of the matrix 600 , an illuminator 601 (dashed, interior) such as an LED, an opaque separator 603 , and optionally a diffuser 602 .
- the LEDs 601 may be powered according to the connectivity code, with the LEDs 601 powered in the white fields and unpowered in the black fields. Illumination may enhance visibility, especially at night.
- the connectivity code may be changed by powering different LEDs 601 .
- the connectivity matrix 600 may be turned off (rendered all black) by depowering all of the LEDs 601 .
- FIG. 6 B is a schematic sketch of another exemplary embodiment of a computer-readable connectivity matrix with illuminators, according to some embodiments.
- a connectivity matrix 610 may include a variable-transmissive window 611 such as a liquid-crystal film for each field of the matrix, connected to a voltage source (not shown) configured to control whether the window 611 is transparent or opaque.
- one or more illuminators 612 may be mounted behind an optional diffuser 613 for back-illuminating the various windows 611 .
- the connectivity matrix 610 may be altered to show different codes, and may be turned off by depowering the illuminators 612 .
- a reflective backing such as a retro-reflective film (not shown) may be included to reflect incoming light.
- the wireless embodiments of this disclosure may be aptly suited for cloud backup protection, according to some embodiments.
- the cloud backup can be provided cyber-security, such as blockchain, to lock or protect data, thereby preventing malevolent actors from making changes.
- cyber-security may thereby avoid changes that, in some applications, could result in hazards including lethal hazards, such as in applications related to traffic safety, electric grid management, law enforcement, or national security.
- non-transitory computer-readable media may include instructions that, when executed by a computing environment, cause a method to be performed, the method according to the principles disclosed herein.
- the instructions (such as software or firmware) may be upgradable or updatable, to provide additional capabilities and/or to fix errors and/or to remove security vulnerabilities, among many other reasons for updating software.
- the updates may be provided monthly, quarterly, annually, every 2 or 3 or 4 years, or upon other interval, or at the convenience of the owner, for example.
- the updates (especially updates providing added capabilities) may be provided on a fee basis. The intent of the updates may be to cause the updated software to perform better than previously, and to thereby provide additional user satisfaction.
- the system and method may be fully implemented in any number of computing devices.
- instructions are laid out on computer readable media, generally non-transitory, and these instructions are sufficient to allow a processor in the computing device to implement the method of the invention.
- the computer readable medium may be a hard drive or solid state storage having instructions that, when run, or sooner, are loaded into random access memory.
- Inputs to the application e.g., from the plurality of users or from any one user, may be by any number of appropriate computer input devices.
- users may employ vehicular controls, as well as a keyboard, mouse, touchscreen, joystick, trackpad, other pointing device, or any other such computer input device to input data relevant to the calculations.
- Data may also be input by way of one or more sensors on the vehicle, an inserted memory chip, hard drive, flash drives, flash memory, optical media, magnetic media, or any other type of file— storing medium.
- the outputs may be delivered to a user by way of signals transmitted to vehicle steering and throttle controls, a video graphics card or integrated graphics chipset coupled to a display that may be seen by a user.
- any number of other tangible outputs will also be understood to be contemplated by the invention.
- outputs may be stored on a memory chip, hard drive, flash drives, flash memory, optical media, magnetic media, or any other type of output.
- the invention may be implemented on any number of different types of computing devices, e.g., embedded systems and processors, personal computers, laptop computers, notebook computers, net book computers, handheld computers, personal digital assistants, mobile phones, smart phones, tablet computers, and also on devices specifically designed for these purpose.
- a user of a smart phone or WiFi-connected device downloads a copy of the application to their device from a server using a wireless Internet connection.
- An appropriate authentication procedure and secure transaction process may provide for payment to be made to the seller.
- the application may download over the mobile connection, or over the WiFi or other wireless network connection.
- the application may then be run by the user.
- Such a networked system may provide a suitable computing environment for an implementation in which a plurality of users provide separate inputs to the system and method.
- the plural inputs may allow plural users to input relevant data at the same time.
- the terms “for example”, “e.g.”, “for instance”, “such as”, and “like” and the terms “comprising”, “having”, “including”, and their other verb forms, when used in conjunction with a listing of one or more components or other items, are each to be construed as open-ended, meaning that the listing is not to be considered as excluding other additional components or items.
- Other terms are to be construed using their broadest reasonable meaning unless they are used in a context that requires a different interpretation.
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Abstract
Description
- This application is a continuation of U.S. patent application Ser. No. 17/583,395, entitled “Vehicle Connectivity, V2X Communication, and 5G/6G Sidelink Messaging”, filed Jan. 25, 2022, which claims the benefit of U.S. Provisional Patent Application Ser. No. 63/260,814, entitled “Localization and Identification of Vehicles in Traffic by 5G Messaging”, filed Sep. 1, 2021, and U.S. Provisional Patent Application Ser. No. 63/243,437, entitled “V2X Messaging in 5G with Simultaneous GPS Reception”, filed Sep. 13, 2021, and U.S. Provisional Patent Application Ser. No. 63/245,227, entitled “V2X with 5G Image Exchange and AI-Based Viewpoint Fusion”, filed Sep. 17, 2021, and U.S. Provisional Patent Application Ser. No. 63/246,000, entitled “V2X Connectivity Matrix with 5G Sidelink”, filed Sep. 20, 2021, and U.S. Provisional Patent Application Ser. No. 63/256,042, entitled “Hailing Procedure for V2R, V2V and V2X Initial Contact in 5G”, filed Oct. 15, 2021, and U.S. Provisional Patent Application Ser. No. 63/271,335, entitled “Semaphore Messages for Rapid 5G and 6G Network Selection”, filed Oct. 25, 2021, and U.S. Provisional Patent Application Ser. No. 63/272,352, entitled “Sidelink V2V, V2X, and Low-Complexity IoT Communications in 5G and 6G”, filed Oct. 27, 2021, and U.S. Provisional Patent Application Ser. No. 63/287,428, entitled “V2X and Vehicle Localization by Local Map Exchange in 5G/6G”, filed Dec. 8, 2021, and U.S. Provisional Patent Application Ser. No. 63/288,237, entitled “V2X with 5G/6G Image Exchange and AI-Based Viewpoint Fusion”, filed Dec. 10, 2021, and U.S. Provisional Patent Application Ser. No. 63/288,807, entitled “V2X Messaging in 5G/6G with Simultaneous GPS Reception”, filed Dec. 13, 2021, and U.S. Provisional Patent Application Ser. No. 63/290,731, entitled “Vehicle Connectivity, V2X Communication, and 5G/6G Sidelink Messaging”, filed Dec. 17, 2021, all of which are hereby incorporated by reference in their entireties.
- The invention relates to systems and methods for localizing, identifying, and communicating with vehicles in traffic and fixed assets.
- Autonomous vehicles in traffic can cooperate, for collision avoidance and traffic efficiency, after determining the wireless address of the other vehicles. However, the wireless addresses of passing vehicles are generally unknown. Mobile entities often need to communicate specifically with fixed assets in view, which requires knowing which wireless address belongs to which vehicle. What is needed is means for determining the wireless address of specific entities in proximity.
- This Background is provided to introduce a brief context for the Summary and Detailed Description that follow. This Background is not intended to be an aid in determining the scope of the claimed subject matter nor be viewed as limiting the claimed subject matter to implementations that solve any or all of the disadvantages or problems presented above.
- In a first aspect, there is a tabulation comprising a plurality of entries, wherein: each entry comprises an index value; each entry is associated with a vehicle or a fixed asset; each entry indicates a wireless address of the associated vehicle or fixed asset; each vehicle or fixed asset, associated with an entry in the tabulation, visibly displays a matrix comprising a plurality of rectangular fields; each field of the plurality of fields is colored black or white according to a code; and the code comprises the index value of the entry associated with the vehicle or fixed asset.
- In another aspect, there is non-transitory computer-readable media containing instructions that when implemented in a computing environment cause a method to be performed, the method comprising: maintaining, in further non-transitory computer-readable media, a tabulation of entries, each entry comprising an index value and a wireless address of a vehicle or a fixed asset; receiving a request message specifying a code, the code indicated by a matrix, the matrix comprising black and white rectangular fields visibly displayed by a particular vehicle or fixed asset; determining a particular index value according to the code; selecting a particular entry of the tabulation according to the particular index value; determining a particular wireless address comprising the particular entry; and transmitting a reply message indicating the particular wireless address.
- In another aspect, there is a first vehicle in traffic comprising a second vehicle, the first vehicle configured to: observe, using a camera or sensor, a matrix displayed by the second vehicle, the matrix comprising a plurality of fields colored black or white according to a binary code; determine the binary code of the matrix; determine an entry in a tabulation, the entry associated with the code; determine, according to the entry, a wireless address of the second vehicle; and transmit a wireless message, according to the wireless address, to the second vehicle.
- This Summary is provided to introduce a selection of concepts in a simplified form. The concepts are further described in the Detailed Description section. Elements or steps other than those described in this Summary are possible, and no element or step is necessarily required. This Summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended for use as an aid in determining the scope of the claimed subject matter. The claimed subject matter is not limited to implementations that solve any or all disadvantages noted in any part of this disclosure.
- These and other embodiments are described in further detail with reference to the figures and accompanying detailed description as provided below.
-
FIG. 1A is a schematic sketch of an exemplary embodiment of a computer-readable wireless identification matrix, according to some embodiments. -
FIG. 1B is a schematic sketch of another exemplary embodiment of a computer-readable wireless identification matrix, according to some embodiments. -
FIG. 1C is a schematic sketch of an exemplary embodiment of computer-readable wireless identification matrix on vehicles, according to some embodiments. -
FIG. 2A is a schematic sketch of an exemplary embodiment of a wireless address tabulation, according to some embodiments. -
FIG. 2B is a schematic sketch of another exemplary embodiment of a wireless address tabulation, according to some embodiments. -
FIG. 3 is a schematic showing an exemplary embodiment of a single entry in a wireless address tabulation, according to some embodiments. -
FIG. 4 is a sequence chart showing an exemplary embodiment of a procedure for a vehicle to initiate wireless communication with another vehicle, according to some embodiments. -
FIG. 5A is a schematic sketch showing an exemplary embodiment of a fixed-asset application, according to some embodiments. -
FIG. 5B is a schematic sketch showing an exemplary embodiment of a traffic sign with matrix, according to some embodiments. -
FIG. 5C is a schematic sketch showing an exemplary embodiment of an access point with matrix, according to some embodiments. -
FIG. 6A is a schematic sketch of an exemplary embodiment of a computer-readable matrix with illuminators, according to some embodiments. -
FIG. 6B is a schematic sketch of another exemplary embodiment of a computer-readable matrix with illuminators, according to some embodiments. - Like reference numerals refer to like elements throughout.
- Disclosed herein are 5G/6G procedures that enable autonomous and semi-autonomous vehicles to determine the wireless addresses of other autonomous vehicles and other items in traffic, using a low-cost computer-readable “connectivity matrix”, and optionally a tabulation of wireless addresses. Systems and methods disclosed herein (the “systems” and “methods”, also occasionally termed “embodiments” or “arrangements”, generally according to present principles) can provide urgently needed wireless communication protocols to provide specific wireless connectivity rapidly in traffic, thereby enabling cooperation and communication among vehicles and fixed assets. With such capabilities, vehicles can reduce traffic fatalities, facilitate traffic flow, and provide V2V and V2X communication options appropriate for 5G and 6G technologies, according to some embodiments.
- Cooperation among autonomous vehicles in traffic depends on each vehicle being able to communicate specifically with a particular one of the other vehicles. However, this is possible only if the transmitting vehicle knows the wireless address of the other vehicle. In addition, a vehicle may advantageously communicate with a fixed asset on the land, but this also requires that the vehicle knows the associated frequency and wireless address. Furthermore, the fixed asset may need to initiate communication with the vehicle, for example to warn the vehicle of a hazard, but must first determine the wireless address of the vehicle.
- Beamforming has been considered as a method for communicating specifically with a single intended recipient. In beamforming, a complex antenna is configured to transmit a directional “beam” message toward the other vehicle. However, such beams inevitably have side-lobes which can spill over onto adjacent vehicles, especially in adjacent lanes. In addition, reflected energy from metallic conductors, such as vehicles, interfere with the primary beam and further complicate beam specificity. In addition, beam energy inevitably continues traveling beyond the intended recipient, and may then be received by other vehicles in the same direction.
- The systems and methods described below can provide greater specificity at low cost. An entity such as a vehicle or fixed asset may display a “connectivity matrix”, a rectangular array of black and white fields encoding the wireless address and/or other data of the entity. Other wireless entities can determine the “connectivity code” according to the black and white fields, and thereby communicate specifically with the entity, according to some embodiments.
- As used herein, a device or entity “knows” something if the device or entity has the relevant information. An “autonomous” vehicle is a vehicle operated by a processor, with little or no human control most of the time. A “semi-autonomous” vehicle is a vehicle at least partially operated by a processor, or which can be fully operated by a processor temporarily, such as during emergency intervention. A wireless message is “unicast” if it is addressed specifically to a particular recipient, and “broadcast” if it is transmitted without specifying a recipient. “V2V” means vehicle-to-vehicle messaging. “V2X” means vehicle-to-everything messaging. A “vehicle” is to be construed broadly, including any mobile conveyance such as cars, trucks, busses, motorcycles, scooters, and the like. “Entities” (such as wireless entities) as used herein represents systems or devices capable of wireless communication such as connected vehicles, pedestrians with smart phones, roadside access points or base stations, and so forth. “Fixed assets” include non-mobile objects that either include or are associated with a wireless transceiver. Wireless communication with a vehicle may include communicating with a processor in that vehicle, such as a processor connected to a wireless transceiver. Likewise a vehicle may transmit a message by causing the transceiver to transmit a message provided by the processor. A “sequence chart” is a chart showing actions of various entities versus time as boxes along horizontal lines, similar to an oscilloscope or logic analyzer display. Further terms will be defined as needed in examples.
- Disclosed is a “computer-readable wireless identification matrix” or “connectivity matrix”, configured as a sign or emblem displayed visibly on a vehicle or other wireless entity. The connectivity matrix includes multiple black and white fields in a visible computer-readable array, encoding a “connectivity code” such as the entity's wireless address and/or other information about the entity. For example, there may be a tabulation of wireless addresses arranged according to an index code, and the connectivity code may include that index. Another entity, reading the connectivity code, may then obtain the wireless address from the tabulation. In some embodiments, the connectivity matrix may be configured as a two-dimensional array of black and white (or other contrasting) squares representing binary bits. The connectivity matrix may be formatted as a DataMatrix array, a QR type array, or other computer-readable representation of information. Usually the connectivity matrix is displayed exteriorly on a vehicle or other wireless entity. Other vehicles (or their cameras or other sensors) can readily view the matrix and record its bit-level content. By reading or viewing or recording the connectivity matrix, with sufficient resolution to resolve the various black and white fields therein, a vehicle or other entity can determine the connectivity code displayed by the matrix. In some embodiments, the wireless address of the entity bearing the connectivity matrix is shown on the code directly. In other embodiments, the code is an index of a tabulation of entries, each entry containing the wireless address associated with that index value, among other information about the entity bearing the connectivity matrix. After finding the wireless address, the entities can then communicate specifically, thereby enabling V2V and V2X communication and intervehicle cooperation in traffic to avoid collisions and manage the traffic flow, according to some embodiments.
- The connectivity matrix may be variable. In some embodiments, the connectivity matrix can be turned on and off. For example, when a driver switches from autonomous mode to human-operated mode, the processor is no longer in control of the vehicle, and therefore communication on its wireless address would be futile. Accordingly, the connectivity matrix may be turned off, or rendered non-visible, to avoid sending conflicting information to other vehicles. For example, the white fields in the connectivity matrix may be illuminated by small light emitters such as white LEDs (light-emitting diodes), which may be turned off when the vehicle is switched to non-autonomous mode (thus rendering the connectivity matrix all black) and switched on when in autonomous mode. Alternatively, if the vehicle retains an emergency intervention capability while in human-operated mode, then the connectivity matrix may be left on during that time, so that other vehicles can trigger the emergency intervention when necessary to avoid a traffic hazard, for example. In addition, the connectivity code may be changed by programming a different set of LEDs to be illuminated, thereby updating the code or the wireless address displayed on the connectivity matrix, according to some embodiments.
- Also disclosed is a “wireless address tabulation”, which is a file or database or other collection of information, organized as a number of entries, each entry corresponding to a particular index value, which may be indicated by a connectivity code. Each entry of the tabulation includes a wireless address associated with each connectivity code. Each entry may also include data about a particular autonomous vehicle or other wireless entity. For example, the data in a particular entry, associated with a particular connectivity code, may include the wireless address of the entity that holds a matrix displaying that particular connectivity code. For example, the entity may be a vehicle or a fixed asset or other device or system configured for wireless communication. In some embodiments, each entry of the wireless address tabulation may provide the wireless address, such as the MAC (media access control) address, of the vehicle or entity holding the associated connectivity code. Other parameters, such as frequencies and bandwidths and default modulations, may also be included, according to some embodiments.
- In an embodiment, the tabulation of wireless addresses may be publicly accessible on, for example, the Internet and/or other on-line compilations of information. Members of the general public may be able to download, or otherwise copy, the wireless address tabulation, or regional portions thereof. Using such a copy, a vehicle or other entity can look up the wireless address of another vehicle or entity that displays a connectivity matrix. By reading the connectivity code displayed on the matrix, and then selecting the associated entry in the wireless address tabulation, the wireless address and other information about the entity displaying the connectivity matrix may be obtained. For example, a first vehicle may copy or otherwise obtain the wireless address tabulation, or a portion thereof, and may retain it in a memory. The first vehicle may view a second vehicle in traffic, and may read the connectivity code on a connectivity matrix displayed by the second vehicle. The first vehicle may then find, in the copied wireless address tabulation, an entry corresponding to that connectivity code, and may read the wireless address contained in that entry. The first vehicle can then communicate with the second vehicle by transmitting a message using the second vehicle's wireless address, as determined from the tabulation, according to some embodiments.
- In another embodiment, a vehicle may determine another vehicle's wireless address without possessing a copy of the wireless address tabulation. For example, a first vehicle in traffic may view a second vehicle's connectivity matrix and read the code therein. The first vehicle may then transmit an interrogation message to a remote address or site (such as an Internet site) operated by a connectivity manager. The request message may specify the connectivity code and may request the associated wireless address. The connectivity manager may then reply with that wireless address. The connectivity manager may be an entity tasked with maintaining the wireless address tabulation, and may provide wireless addresses responsive to such requests, for example. The connectivity manager may also provide other data such as publicly available identification data, such as the license plate of the vehicle associated with that connectivity code. The connectivity manager may be a government agency, a publicly funded corporation, an international organization, or other entity. If the message requests just the wireless address associated with the specified connectivity code, then the manager may reply with that address. If the message requests the entire entry associated with the specified connectivity code, the manager may provide the entire entry, according to some embodiments.
- In another embodiment, a fixed asset such as a roadside device or building may display a connectivity matrix showing the wireless address of that fixed asset. For example, a network asset may display a connectivity matrix showing its main address or frequency on which new users may connect with the network. The connectivity code may indicate how new users can obtain system information from that network asset and begin registering on the network. For example, the connectivity code may indicate a frequency of the base station's broadcast channel on which system information is periodically transmitted, thereby avoiding a tedious blind search and other steps in gaining registration, according to some embodiments.
- In another embodiment, the connectivity matrix may be variable. The connectivity matrix structure may include illuminators and/or variable fields, so that the connectivity code may be changed when necessary, and turned off when not in use. For example, each white field may be illuminated by a small white LED, and the connectivity code determines which of the LEDs are illuminated. Alternatively, the black and white fields may be controlled by solid-state shutters such as liquid-crystal squares that can be changed from opaque to transparent by applying a voltage. The connectivity code can then be changed by changing which voltage is applied to each of the fields. The matrix may be back-illuminated by, for example, built-in light emitters, or it may use ambient light for contrast between the light and dark fields, according to some embodiments.
- In some embodiments, a first vehicle in traffic can determine the wireless address of a second vehicle by reading the second vehicle's connectivity matrix using, for example, a camera. The first vehicle can then transmit a unicast message addressed exclusively to the second vehicle using, for example, a sidelink channel or other frequency allocated for V2V or V2X communication. The wireless messages may be transmitted according to 5G or 6G sidelink specifications. For example, if an access point or base station is within range, the communication may be transmitted according to 5G/6G sidelink “mode-1”, in which the base station sets the timing and manages the vehicle messages. If no network interface is available, the vehicles may set up a “mode-2” sidelink network in which the timing and bandwidths are managed by the vehicles themselves. Alternatively, the vehicles may transmit their messages according to another technology such as Wi-Fi or transmitting at-will, for example.
- In some embodiments, the connectivity code can indicate further information about the vehicle or entity bearing the connectivity matrix, such as whether the vehicle is autonomous, semi-autonomous, or exclusively human-operated. Alternatively, that information may be included in the vehicle's entry in the wireless address tabulation. Thus a first vehicle may read the connectivity code of a second vehicle and transmit a message to the second vehicle indicating the first vehicle's wireless address, so that the second vehicle can then send other messages to the first vehicle unicast. In some embodiments, the first vehicle can include, in its message to the second vehicle, information indicating the first vehicle's physical position relative to the second vehicle, so that the second vehicle can determine which of the proximate vehicles is transmitting the message. For example, the first vehicle's message may include data indicating that the first vehicle is “35 meters behind you and one lane to the left”, and sensors on the second vehicle can view the first vehicle accordingly. The vehicles can then associate the other vehicle's wireless address with the particular vehicle observed, and can follow or track each other as they move in traffic.
- In some embodiments, vehicles in traffic may be configured to obtain the wireless addresses of proximate vehicles proactively. For example a first vehicle may look up the wireless addresses of other vehicles that display a connectivity matrix, as soon as they come into view, and this may be done automatically even when there is no message to send. Then, if an emergency suddenly arises, the first vehicle can initiate communication with the other vehicles immediately, saving valuable time.
- Examples described below provide further details about certain exemplary embodiments of the present principles.
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FIG. 1A is a schematic sketch of an exemplary embodiment of a computer-readable wireless identification matrix, according to some embodiments. As depicted in this non-limiting example, theconnectivity matrix 100 may include a plurality of black and white (or other contrasting color), nominally square, adjacent fields in a rectangular or square array, each field colored to indicate one binary bit of a connectivity code. For example, black may represent binary “0” and white may represent binary “1”, or vice-versa. The depicted example is formatted as a DataMatrix array including 48 information bits surrounded by a black and white orientation border (black on left and bottom borders, alternating black and white across the top and right side). Other two-dimensional formats, such as QR (Quick Response) code, Aztec code, Trillcode, Quickmark, Shotcode, mCode, and one-dimensional formats, such as UPC or BarCode, and special fonts such as Check Font may be used instead. The 48-bit code may be the vehicle's MAC address, for example. Other vehicles, detecting theconnectivity matrix 100 using sensors, and reading the 48-bit code using a camera for example, may thereby determine that vehicle's wireless address and may then communicate specifically with that vehicle. For example, a first vehicle in traffic may detect an imminent collision with a second vehicle in front, and may read the second vehicle'sconnectivity matrix 100, thereby determining the second vehicle's wireless address. The first vehicle may then transmit an emergency message to the second vehicle asking it to speed up quickly, to avoid a collision. In this way, theconnectivity matrix 100 may enable cooperative actions by vehicles in traffic, and may thereby prevent or mitigate collisions, saving countless lives, according to some embodiments. -
FIG. 1B is a schematic sketch of another exemplary embodiment of a computer-readable wireless identification matrix, according to some embodiments. As depicted in this non-limiting example, alarger connectivity matrix 101 includes 100 data squares surrounded by an orientation border. Theconnectivity matrix 101 may be affixed to a vehicle or other wireless entity, thereby allocating a unique 100-bit code to the entity. A vehicle may display the connectivity matrix on, for example, the front and back, and optionally also the sides, of the vehicle, so that other vehicles can view the pattern and read the code. - In some embodiments, a connectivity manager may be responsible for allocating the connectivity codes to various entities that request them. The connectivity manager may thereby maintain a wireless address tabulation in which each registered vehicle in the tabulation has an associated entry, the entry is associated with the vehicle's displayed connectivity code, each code is uniquely assigned, and duplicates are avoided. Each vehicle's entry in the wireless address tabulation may be a listing of that vehicle's allocated connectivity code along with its wireless address, and optionally other information of the vehicle or entity holding that code.
- In some embodiments, when a first vehicle in traffic needs to transmit a message to a second vehicle displaying a connectivity matrix, the first vehicle can obtain the connectivity code from the matrix image, and then look up the second vehicle's wireless address corresponding to that connectivity code in a copy of the wireless address tabulation (or a portion thereof). Alternatively, if the first vehicle does not possess a copy of the wireless address tabulation, it may transmit a message to the connectivity manager requesting the wireless address corresponding to the connectivity matrix, which the connectivity manager may then supply in a return message. As another alternative, the second vehicle's matrix may indicate, in the bit pattern, the wireless address of the second vehicle. In each case, the first vehicle can determine the wireless address of the second vehicle according to the connectivity code displayed by the second vehicle, and can then transmit a message specifically to the second vehicle using the second vehicle's wireless address. Optionally, the first vehicle may include its own wireless address in the message, so that the second vehicle can reply specifically to the first vehicle. Optionally, the connectivity manager may supply further data about the second vehicle, such as its license plate code, whether it is autonomous, and other wireless parameters, if requested.
- In some embodiments, the wireless address tabulation may provide only publicly available information that vehicles in traffic may need to communicate V2V and V2X. The publicly available information may include readily visible information, such as the type and color of vehicle, its license plate, and other readily visible information. All other information, other than readily visible features and public information, may be considered private and may be excluded from the tabulation.
- In some embodiments, an autonomous vehicle or a person or other entity may transmit a registration request message to the connectivity manager specifying the vehicle's MAC address, and the connectivity manager may set up an entry in the wireless address tabulation using a randomly selected connectivity code. The connectivity manager may include that wireless address in the entry, and may transmit the assigned connectivity code back to the vehicle. The connectivity matrix can then be printed, or otherwise fabricated, with the associated connectivity code.
- In some embodiments, a vehicle or owner may register in the wireless address tabulation by specifying a particular connectivity code that the vehicle or owner wishes to use. For example, the desired code may include the vehicle's wireless address. If the requested code is available, the connectivity manager may generate an entry with that code as the index. The vehicle may then display a connectivity matrix with that code, so that other vehicles may read the code and determine the wireless address directly, without having to interrogate the connectivity manager or look up the entry in the wireless address tabulation. For example, the 48-bit MAC address may be encoded in a region of the connectivity matrix, and vehicles viewing the connectivity matrix may determine the wireless address of the vehicle without using a wireless address tabulation. As a particular and non-limiting embodiment, the first 24 bits may be encoded with the ASCII (American Standard Code for Information Interchange) code for “MAC”, followed by the 48-bit MAC address of the vehicle's autonomous processor, followed by other information such as a frequency in the final 28 bits. In some embodiments, some of those bits may be allocated to error detection, such as parity bits.
- In some embodiments, the wireless address obtained using the connectivity code or the wireless address tabulation may be an address code of a particular processor on that vehicle. For example, the address code may be the address of a message-entry processor connected to the wireless receiver in an autonomous or semi-autonomous vehicle. The message-entry processor may be configured to analyze incoming messages to detect malware or other inappropriate messaging, and to protect the system against malicious intent. In some embodiments, the message-entry processor (or another processor in the vehicle) may include artificial intelligence (AI) configured to detect malicious messages, and to recognize and prioritize emergency messages and other types of legitimate wireless activity. For example, an AI structure such as a neural net may be trained by machine learning to discriminate different types of communications, thereby enabling a rapid cooperative response to a legitimate collision-avoidance request, while rejecting harmful or deceptive communication attempts. In addition, the message-entry processor may include an updating feature whereby the AI structure, or an algorithm derived from it for field use, may be revised periodically, using a secure on-line connection for example, to provide the most up-to-date malware detection algorithms. In addition, the message-entry processor may record messages that seem suspicious, and may upload those periodically to a central entity tasked with detecting new threat patterns.
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FIG. 1C is a schematic sketch of an exemplary embodiment of computer-readable wireless identification matrix on vehicles, according to some embodiments. As depicted in this non-limiting example, avehicle 110 is shown with aconnectivity matrix 111 mounted on the back, and asecond vehicle 120 with aconnectivity matrix 121 on the front. In some embodiments, the connectivity matrixes 111-121 are large enough that other vehicles, or their cameras or sensors, can detect the individual fields with high reliability, yet not so large to obscure other parts of the vehicle (the license plate, various lamps, the radiator screen, the trunk handle, for example). In some embodiments, the connectivity matrix is large enough to be resolved by cameras or sensors on vehicles at a distance corresponding to vehicle separations in traffic, such as 20 or 50 or 100 meters. In some embodiments, each black or white field is large enough to be readily viewed and resolved by other vehicles, such as each field being 5 or 10 or 20 mm in width and height. -
FIG. 2A is a schematic sketch of an exemplary embodiment of a wireless address tabulation, according to some embodiments. As depicted in this non-limiting example, thewireless address tabulation 201 is depicted, quite schematically, as apaper containing entries 202, eachentry 202 corresponding to an assigned connectivity code. However, thewireless address tabulation 201 is envisioned as an electronic file or the like, not as a paper, unless someone wants to print it out. Also depicted are a firstautonomous vehicle 203 bearing afirst connectivity matrix 205, and a secondautonomous vehicle 204 with asecond connectivity matrix 206. In this embodiment, the connectivity matrixes 205-206 are mounted on the sides of the vehicles 203-204, while additional copies may be mounted on the front and back of the vehicles 203-204, not shown. - In the example, the
first vehicle 203 has downloaded thewireless address tabulation 201, as indicated by anarrow 207, and has stored it in non-transitory computer-readable media for mobile use, particularly when out of range of a network. Suddenly an emergency arises, and thefirst vehicle 203 needs to send amessage 208 to thesecond vehicle 204, enlisting its support for a collision avoidance maneuver. The first vehicle, using its camera, reads the code contained in the second vehicle's connectivity matrix 206 (if it has not already done so), then looks in thewireless address tabulation 201 for the entry corresponding to that code (if not already done), and thereby determines the second vehicle's wireless address. Thefirst vehicle 203 then transmits themessage 208 to thesecond vehicle 204, which thesecond vehicle 204 receives and, cooperating with thefirst vehicle 203, avoids the imminent collision. - In another embodiment, the
first vehicle 203 may be configured to read the connectivity codes of all vehicles as soon as they come into view, and determine their wireless addresses automatically, and store the address codes in memory until the second vehicle moves out of view or out of range. In that case, thefirst vehicle 203 may already know the second vehicle's wireless address when the emergency arises, thereby saving precious milliseconds. - In yet another embodiment, the second vehicle's
connectivity matrix 206 may provide its wireless address directly encoded in the connectivity code, as shown inFIG. 1A for example. In that case, thefirst vehicle 203 does not need to refer to thewireless address tabulation 201, but instead can read the wireless address directly from the second vehicle's connectivity matrix. Thefirst vehicle 203 can then transmit themessage 208 to thesecond vehicle 204 using that address, thereby avoiding the delay of interrogating the wireless address tabulation. -
FIG. 2B is a schematic sketch of another exemplary embodiment of a wireless address tabulation, according to some embodiments. As depicted in this non-limiting example, abase station 231 or access point, depicted as an antenna, has previously obtained a copy of thewireless address tabulation 221, as indicated by thearrow 227. Thewireless address tabulation 221 includesentries 222 associated with connectivity codes on vehicles. Afirst vehicle 223 displays afirst connectivity matrix 225, and asecond vehicle 224 displays asecond connectivity matrix 226. An emergency arises, and sensors on thefirst vehicle 223 can read thesecond connectivity matrix 226 of thesecond vehicle 224. Then, the first vehicle can transmit awireless message 230 to thebase station 231 including the data in thesecond connectivity matrix 226. The message may include an image of the connectivity matrix or, much more compactly, the 100-bit value encoded therein. Thebase station 231 then finds theentry 232 corresponding to thatconnectivity code 226 and transmits thecorresponding wireless address 229 back to thefirst vehicle 223. Thefirst vehicle 223 thereby determines the wireless address of thesecond vehicle 224, and transmits amessage 228 to thesecond vehicle 224, enabling cooperating to avoid the collision. - In another embodiment, the
first vehicle 223 may be configured to read the second vehicle'sconnectivity matrix 226, interrogate the base station, receive the associatedentry 229, and thereby determine the second vehicle's wireless address before the emergency occurred, such as determining the wireless address as soon as the second vehicle comes into view. By checking the wireless addresses of proximate vehicles automatically, thefirst vehicle 223 may be able to initiate communications more rapidly than otherwise. -
FIG. 3 is a schematic showing an exemplary embodiment of an entry of a wireless address tabulation, according to some embodiments. As depicted in this non-limiting example, theentry 300 may be associated with a particular connectivity code and a particular wireless address of a particular entity such as a vehicle. Theentry 300 may include one or more sections, each section providing different information about the associated vehicle or entity. In the depicted example, theentry 300 includes anidentification section 301 including the connectivity code that theentry 300 corresponds to, and optionally the associated license plate code, the type of entity involved, and other public information if known. Theentry 300 also includes awireless information section 302 including the wireless address, such as the MAC address and/or a Wi-Fi address of the associated entity's processor, along with optionally any limitations or special requirements, among other information as available. -
FIG. 4 is a sequence chart showing an exemplary embodiment of a procedure for a vehicle to initiate wireless communication with another vehicle, according to some embodiments. As depicted in this non-limiting example, actions of two vehicles are shown as boxes on horizontal lines, and actions of a base station or access point are shown on a third line. The horizontal axis represents time. Causation is indicated by tilted arrows accounting for the time delay of signals or actions. Vehicle-1 first views Vehicle-2 at 401 and determines the connectivity code displayed on Vehicle-2's matrix. Vehicle-1 transmits arequest message 402 to a connectivity manager via the base station. The connectivity manager replies via the base station with amessage 403 indicating the wireless address of Vehicle-2. Vehicle-1 receives themessage 404 and then transmits anemergency message 405 to Vehicle-2. Vehicle-2 receives the message at 406 and responds with anacknowledgement 407 which Vehicle-1 receives. In this way, using the connectivity matrix and the remote wireless address tabulation, Vehicle-1 has established unicast communication with Vehicle-2. - In another embodiment, Vehicle-1 may download the wireless address tabulation from a portal, such as a base station, or from an Internet connection, or other link in communication with the connectivity manager. Then, upon viewing the connectivity matrix on Vehicle-2 and reading its connectivity code, Vehicle-1 may look up the corresponding entry in its copy of the wireless address tabulation, and may thereby determine the wireless address of Vehicle-2, and proceed to communicate with Vehicle-2.
- In yet another embodiment, Vehicle-2's connectivity code may include an indication of its wireless address, in which case Vehicle-1 may initiate communication with Vehicle-2 upon reading Vehicle-2's matrix, instead of looking for the entry in the wireless address tabulation.
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FIG. 5A is a schematic sketch showing an exemplary embodiment of a fixed-asset application, according to some embodiments. As depicted in this non-limiting example, avehicle 501 such as an autonomous vehicle approaches a fixed asset depicted as abusiness site 502 which displays aconnectivity matrix 503. Upon coming into view of thebusiness 502, thevehicle 501 may read thematrix 503, and determine the wireless address of thebusiness 502, or more specifically, the wireless address of a transceiver in thebusiness 502. Thevehicle 501 may then transmit a message to thebusiness 502 such as “Is the fish fresh today?”. -
FIG. 5B is a schematic sketch showing an exemplary embodiment of a traffic sign, according to some embodiments. As depicted in this non-limiting example, avehicle 511 approaches astreet sign 512 with aconnectivity matrix 513 indicating a wireless address. For example, thematrix 513 may indicate the wireless address of a site that provides directions to vehicles that are lost, or other information. For example, thevehicle 511 may transmit a message asking, for example, “Does Maple Avenue cross Main Street?”. - Also shown is a
traffic signal 514 with anotherconnectivity matrix 515. Thevehicle 511 may read thematrix 515, determine a wireless address associated with thetraffic signal 514, and transmit a message to it, such as “How long until you change to green?” or “I am a physician and this is an emergency.” -
FIG. 5C is a schematic sketch showing an exemplary embodiment of an access point with a connectivity matrix, according to some embodiments. As depicted in this non-limiting example, avehicle 521 is in view of abase station 522 or access point depicted as an antenna with an associatedconnectivity matrix 523. Thematrix 523 may provide an identity that enables thevehicle 521 to obtain, from a wireless address tabulation, the login frequency of thebase station 522. The base station's entry in a wireless address tabulation may also include system information needed to register on thatbase station 522, such as frequencies and bandwidths and network parameters specific to thatbase station 522, so that thevehicle 521 can then transmit amessage 524 and register with thebase station 522 without performing complex 5G/6G protocols to find that information. For example, theconnectivity matrix 523 may indicate the broadcast frequency of thebase station 522 on which thebase station 522 transmits system information. The entry may indicate how a user device can communicate with the base station, including specifying one or more additional frequencies or channels on which further system information may be transmitted. In addition, the entry may indicate a frequency or channel on which the user device can transmit a message to the base station, such as a “random access preamble” message requesting registration on that base station, according to some embodiments. -
FIG. 6A is a schematic sketch of an exemplary embodiment of a computer-readable connectivity matrix with illuminators, according to some embodiments. As depicted in this non-limiting example, an illuminatedvariable connectivity matrix 600 may include, in each field of thematrix 600, an illuminator 601 (dashed, interior) such as an LED, anopaque separator 603, and optionally adiffuser 602. TheLEDs 601 may be powered according to the connectivity code, with theLEDs 601 powered in the white fields and unpowered in the black fields. Illumination may enhance visibility, especially at night. In addition, the connectivity code may be changed by poweringdifferent LEDs 601. In addition, theconnectivity matrix 600 may be turned off (rendered all black) by depowering all of theLEDs 601. -
FIG. 6B is a schematic sketch of another exemplary embodiment of a computer-readable connectivity matrix with illuminators, according to some embodiments. As depicted in this non-limiting example, aconnectivity matrix 610 may include a variable-transmissive window 611 such as a liquid-crystal film for each field of the matrix, connected to a voltage source (not shown) configured to control whether thewindow 611 is transparent or opaque. In addition, one ormore illuminators 612 may be mounted behind anoptional diffuser 613 for back-illuminating thevarious windows 611. By arranging voltages to thevarious windows 611, theconnectivity matrix 610 may be altered to show different codes, and may be turned off by depowering theilluminators 612. For enhanced visibility at night, a reflective backing such as a retro-reflective film (not shown) may be included to reflect incoming light. - The wireless embodiments of this disclosure may be aptly suited for cloud backup protection, according to some embodiments. Furthermore, the cloud backup can be provided cyber-security, such as blockchain, to lock or protect data, thereby preventing malevolent actors from making changes. The cyber-security may thereby avoid changes that, in some applications, could result in hazards including lethal hazards, such as in applications related to traffic safety, electric grid management, law enforcement, or national security.
- In some embodiments, non-transitory computer-readable media may include instructions that, when executed by a computing environment, cause a method to be performed, the method according to the principles disclosed herein. In some embodiments, the instructions (such as software or firmware) may be upgradable or updatable, to provide additional capabilities and/or to fix errors and/or to remove security vulnerabilities, among many other reasons for updating software. In some embodiments, the updates may be provided monthly, quarterly, annually, every 2 or 3 or 4 years, or upon other interval, or at the convenience of the owner, for example. In some embodiments, the updates (especially updates providing added capabilities) may be provided on a fee basis. The intent of the updates may be to cause the updated software to perform better than previously, and to thereby provide additional user satisfaction.
- The system and method may be fully implemented in any number of computing devices. Typically, instructions are laid out on computer readable media, generally non-transitory, and these instructions are sufficient to allow a processor in the computing device to implement the method of the invention. The computer readable medium may be a hard drive or solid state storage having instructions that, when run, or sooner, are loaded into random access memory. Inputs to the application, e.g., from the plurality of users or from any one user, may be by any number of appropriate computer input devices. For example, users may employ vehicular controls, as well as a keyboard, mouse, touchscreen, joystick, trackpad, other pointing device, or any other such computer input device to input data relevant to the calculations. Data may also be input by way of one or more sensors on the vehicle, an inserted memory chip, hard drive, flash drives, flash memory, optical media, magnetic media, or any other type of file— storing medium. The outputs may be delivered to a user by way of signals transmitted to vehicle steering and throttle controls, a video graphics card or integrated graphics chipset coupled to a display that may be seen by a user. Given this teaching, any number of other tangible outputs will also be understood to be contemplated by the invention. For example, outputs may be stored on a memory chip, hard drive, flash drives, flash memory, optical media, magnetic media, or any other type of output. It should also be noted that the invention may be implemented on any number of different types of computing devices, e.g., embedded systems and processors, personal computers, laptop computers, notebook computers, net book computers, handheld computers, personal digital assistants, mobile phones, smart phones, tablet computers, and also on devices specifically designed for these purpose. In one implementation, a user of a smart phone or WiFi-connected device downloads a copy of the application to their device from a server using a wireless Internet connection. An appropriate authentication procedure and secure transaction process may provide for payment to be made to the seller. The application may download over the mobile connection, or over the WiFi or other wireless network connection. The application may then be run by the user. Such a networked system may provide a suitable computing environment for an implementation in which a plurality of users provide separate inputs to the system and method. In the below system where vehicle controls are contemplated, the plural inputs may allow plural users to input relevant data at the same time.
- It is to be understood that the foregoing description is not a definition of the invention but is a description of one or more preferred exemplary embodiments of the invention. The invention is not limited to the particular embodiments(s) disclosed herein, but rather is defined solely by the claims below. Furthermore, the statements contained in the foregoing description relate to particular embodiments and are not to be construed as limitations on the scope of the invention or on the definition of terms used in the claims, except where a term or phrase is expressly defined above. Various other embodiments and various changes and modifications to the disclosed embodiment(s) will become apparent to those skilled in the art. For example, the specific combination and order of steps is just one possibility, as the present method may include a combination of steps that has fewer, greater, or different steps than that shown here. All such other embodiments, changes, and modifications are intended to come within the scope of the appended claims.
- As used in this specification and claims, the terms “for example”, “e.g.”, “for instance”, “such as”, and “like” and the terms “comprising”, “having”, “including”, and their other verb forms, when used in conjunction with a listing of one or more components or other items, are each to be construed as open-ended, meaning that the listing is not to be considered as excluding other additional components or items. Other terms are to be construed using their broadest reasonable meaning unless they are used in a context that requires a different interpretation.
Claims (20)
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US18/523,643 US20240107295A1 (en) | 2021-09-01 | 2023-11-29 | V2V and V2X Communications in 5G and 6G Based on Displayed Matrix |
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US20220150689A1 (en) | 2022-05-12 |
US11402513B2 (en) | 2022-08-02 |
US20230122574A1 (en) | 2023-04-20 |
US20230188975A1 (en) | 2023-06-15 |
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