JP5390118B2 - Position recognition method and system - Google Patents

Description

  The present invention relates to position recognition associated with an electronic device, and more particularly to position recognition of a virtual space associated with a computer network.

  According to the present invention, the space includes digital devices connected to a network providing content and services. Devices, content and services are collectively referred to as resources. Resources can move between spaces and can move in and out of spaces. Spaces can be physical or virtual. A physical space is typically interconnected with a physical location and may have a postal address. The virtual space must not coincide with a particular physical location. However, it can also have interconnected names and can include one or more physical locations. Similarly, a physical space may include one or more virtual spaces.

  To recognize the location of a space, the first conventional approach involves using a beacon that periodically broadcasts the name of the space. The name is used by receiving the device to recognize the space. This approach is used to recognize both sides of physical and virtual space. However, using beacon broadcasts requires that beacons be installed, configured and maintained in all critical spaces. Such infrastructure setup and maintenance is costly and time consuming.

  A second conventional approach to space location awareness involves using a dedicated location server. The server maintains location information for at least one space and provides an interface for accessing the location information. The client device may use an interface for accessing location information at the server to determine the location of the space. However, such access also requires a lot of cost to set up and maintain.

  A third conventional approach to space location awareness involves the use of a mobile phone base station identifier (ID) or a Global Positioning System (GPS). However, this approach is due to the large database. In addition, GPS receivers cannot receive GPS signals indoors, and urban areas using mobile phone base stations provide low resolution in position determination.

  A fourth conventional approach to space position recognition involves using the signal strength to estimate the current position. This approach uses a variety of signals such as signals from power lines and signals from wireless networks such as WiFi, Bluetooth, and cellular networks. However, this approach is costly because it requires a database that contains information that maps signal strength to position.

  An object of the present invention to solve the above problems is to provide a method and system that can recognize the position of a space at low cost and high resolution.

  The present invention provides a method and system for generating location information for a space associated with a computer network. Such information is used to enhance location-aware applications.

  In one embodiment according to the present invention, generating location information for a network space maintains a location profile in a space known to the client device, performs location detection for the client device in the current space, Including using location profiles.

In another embodiment according to the present invention, the location information for the space is generated by maintaining a location profile for the space known to the client device, performing location detection for the client device in the current space, and in the current space. This includes using information indicating that a known resource is likely to exist in the current space.

  If available, physical sensors may be used, but are not necessary. Well-known resources can include multiple ways of eliciting varying levels of particulateness relative to location, and can enhance location-aware applications.

  In accordance with the present invention, a method and system for generating location information for a space associated with a computer network is provided and used to enhance location-aware applications.

  The present invention provides a method and system for generating location information about a space. The location information includes sufficient detail (resolution) to support the desired degree of particle size change at low cost.

  In one embodiment of the invention, the location information for a space is determined by extracting the location information from a signature already available in the space. Signatures do not require the use of physical sensors, and to further enhance location-aware applications (eg, recommend content or objects of interest to users in space), position information at various levels of granularity May contain information used to withdraw.

  In order to simplify the description of the invention, a brief explanation of terms is first provided. The client device is a portable or fixed personal electronic device (eg, a CE (consumer electronics) device, a computer). A space includes devices connected to a network that can provide content and services, and devices, content, and services between the spaces are collectively referred to as resources in the space. A universally unique identifier (UUID) uniquely identifies a resource in all regions.

  The example below takes advantage of the observation that the global perspectives that exist in other spaces are different. The overall view represents the form and identity of resources such as devices and services (eg, URLs, MAC addresses, IP addresses, UUIDs), operations performed on resources and protocols used for operations. The overall perspective is obtained by forming a space signature.

  Space signatures are used to distinguish one space from another. For this purpose, the term “well-known space” includes visited spaces where the number of visits (frequency) by a client device (user) exceeds a critical value. Moreover, a position profile is formed for each known space by interconnecting the positions of the known spaces and the signatures of the spaces. The client device may store a well-known space location profile. When a client device enters a space, the location interconnected with the signature is the current location of the client device, if it can be reasonably high that the resource of the space is similar to a signature of a well-known space. It is possible.

  Examples are provided below, and first two examples are the amount of location calculation performed by the mobile client device and the location calculation performed by the space (eg, by one or more devices in network space). There is a difference in

In a first embodiment, the space computes and maintains the signature of the space itself, and generates a location profile for the space itself by interconnecting the signature and location. The client device stores the profile for the well-known space (eg, placed on a local memory device) and uses the profile to identify the current location as the device moves.

In particular, the first embodiment includes utilizing a space signature for location calculation, wherein the signature is previously calculated by one or more devices using resources in the space. The signature is then interconnected with the location of the space to form the location profile of the space. The client device stores the location profile of the known space. Then, when the client device enters the space, it selects a location from the saved profile, tries to reach a resource that is reachable from the space, calculates a signature using the reachable resource, and selects the result of the calculation Compare the signature with the specified location profile. The result of the comparison provides a confidence level for whether the location interconnected with the selected signature is the current location. If the confidence level is low, the client device selects another location profile from the retained profiles and repeats the process until the confidence level is high or the location is determined to be satisfactory. In the latter case, the device is interpreted as not existing in any one of the known spaces.

  An example of constructing a signature for a space using resources that are reachable from the space provides one or more resources from the space, provides a UUID for all resources that discover resources in the space, and a series of discoveries Generating a signature for the space using the recognized device recognition. By allowing resources to move in and out of space, the signature configuration proves that the resources included in the signature are still in the space, and based on the proof, updates the currently reachable set of resources, Including generating a new signature for the space utilizing resource recognition in the updated set of resources.

The signature is generated in a variety of ways for the planned use of the signature. For example, if a signature is fixed and used to recognize a space with distinct characteristics (eg, home and work) , a hash value of reachable resource recognition may be sufficient. Conversely, if the signature changes frequently or is used to recognize a space with shared reachable resources (eg office vs. lab), the list of resource recognition is much more appropriate It is. Moreover, the form of the resource included in the signature varies depending on the purpose of the signature. For example, resources that can reach a long range network (eg, WiFi) are used to distinguish larger adjacent spaces, conversely, resources that can reach a short range network (eg, Bluetooth) Used to distinguish small spaces. In addition, the space signature can include virtual position, physical position, or space position information that can be information about both.

  A method of utilizing a space signature for location detection includes a client device that maintains a location profile for a known space, the client device selecting a location profile from the profile and obtaining with the selected location profile signature. The new signature is calculated using the currently reachable resources, and the similarity exceeds the specified threshold, and the similarity between the new signature and the selected location profile signature The current position information is retrieved by calculating the sex. The location information interconnected with the selected signature is used as the current location of the client device.

  Thereby, periodically (1) the client device tries to extract the space signature from the current space, and compares the signature stored in the location profile with the signature, and (2) if there is a match, The client device selects a position with the profile matched as the current position and stops (or repeats while checking the periodic position).

  FIG. 1 is a block diagram illustrating a network space 10 including a device that generates location information based on a space signature according to one embodiment of the present invention. The space 10 includes resources such as one or more devices 12, and the signature generator 14 uses resource recognition in the space 10 to determine a signature for the space 10. The signature generation unit 14 interconnects the positions of the signature and the space in order to generate a position profile for the space.

The client device 16 saves the location profile 18 for the known space and retrieves the current location information by comparing the signature of the current space with the saved location profile 18. The client device 16 attempts to select a location profile from the stored profiles and to reach a resource that is reachable from space. The client device 16 also calculates a signature that uses reachable resources and compares the result of the calculation with the signature in the selected location profile. The result of the comparison represents a confidence level for whether the position interconnected with the selected signature is the current position. If the confidence is low, the client device selects another location profile from the stored profiles and repeats the method until the location is satisfactorily determined or not satisfactory. In the latter case, the device is interpreted as not being in any one of the known spaces.

In a second embodiment, the client device moves from space to space, calculates a space signature, forms a location profile for the known space, and stores the known space signature for use in location recognition. To do. The method for location does not assume and does not require that the space provide a signature. Instead, the client device moves from space to space, so that the client device calculates a signature for each space in the device, recognizes the known space, and creates a location profile for the known space. The location determination method includes: (1) storing a location profile for a known space; (2) using all of the known resources (eg, devices and services) using known operations and the protocol described in the location profile. (3) determining the current position using the inspection result.

  In addition to location information about the space, the location profile of the space includes (1) well-known devices / resources in the space, (2) well-known services available in the space, (3) special operations performed between the spaces, And (4) contains information about one or more of the specific communication mechanisms / protocols that need to be operated between spaces. Then, special actions and protocols in the location profile file are used to check how many well-known devices / services are reached and how many special actions are performed in the space.

  In determining the current position, an example of similarity calculation includes counting the number of successful tests. For example, the higher the number of known resources that can be reached in the current space, the more likely the location information is the current location of the client device in the location profile that describes the known resources. As a result, a position profile that describes the most known resources in the current space is selected as position information for the current space from the viewpoint of the existence of resources, from among the position profiles of the known spaces.

  Examples of such tests include (1) checking for the presence of a known device using a well-known mechanism such as pinging the name / ID of one or more known devices, and (2) such as “wget webpage_from_intranet” Check for the presence of well-known services using well-known mechanisms, and (3) Check for well-known operations using protocols such as Universal Plug and Play (UPnP) (eg, client devices can use TV, Initiating access to resources such as automated electronic devices).

  In one case, the position profile is examined sequentially. Immediately after the number of successful tests using the position profile exceeds a critical value, the position information of the profile is selected as the current position. In other cases, all position profiles are examined and the position profile with the most successful examination is selected. However, in other cases, all profiles are examined and a critical value is set. Only the profile with the highest and most successful test above the critical value is selected. In this case, if all the inspections are below the critical value, the position information is not extracted. Other ways of examining the position profile are possible within the scope of the present invention, if recognized by those skilled in the art.

  A space signature captures the characteristics of a space. In the context of the present invention, space signatures are used to capture resources and recognize spaces. Thus, a well-known resource is a device in a well-known space. Similarly, a well-known resource is a resource in a well-known space.

  For location awareness purposes, when a client device recognizes a space signature, the space signature is interconnected with location information for the space so that the client device also obtains the name or address of the space.

  A location profile is a client sub-concept. It is used by the client to recognize the position of the space. In addition, the location profile structurally includes location information in which a space signature and the space signature are interconnected. The location information is individualized.

  Also, the space signature is calculated and maintained by the space itself. In that case, the client may still use a personalized location profile for labeling that the user likes very much. The concept of location profile is totally different, and other spaces can choose other definitions. For example, other spaces may choose to keep all labels generated by client device visitors, while spaces may choose only physical addresses.

  FIG. 2 is a block diagram representing a network space 20 that includes resources such as client devices 22 and devices 24 according to another embodiment of the invention. Client device 22 generates location information without or requiring the assumption that space 20 has a signature. Instead of computing the signature of a space of the client device, the client device 22 recognizes the well-known space and forms a location profile for the well-known space. The location profile for space 20 contains information about location information and devices known in the space, known services available in the space, special operations performed between spaces and / or specific communication protocols required for operation between spaces. Including.

  In this example, the client device 22 maintains a position profile 26 for a known space. Upon entering the space 20, the client device 22 checks for the presence of a well-known service that utilizes all or part of the well-known device and well-known operations and protocols described in the location profile 26 stored on the client device 22. . The client device 22 selects the current position profile 28 from the position profile 26 based on the presence or absence of the inspected device.

  Information about known devices is supplied by the user earlier and is generated by observing user activity. When a client device needs location information in space 20, it starts by checking the number of devices 24 in a similar manner as described below. A successful response to these tests from device 24 ensures that the location information is identical, corresponding to the specific profile.

  FIG. 3 is a block diagram illustrating a network space 30 that includes a client device 32, an intranet 36, an intranet server 37, and a database 38 according to another embodiment of the present invention. The client device 32 generates location information by examining resources in the space with or without the assumption that the space 30 has a signature. Client device 32 includes a location profile 34 that includes details of services available at a particular location. Examples of such services include workplaces, intranets with special servers in the workplace.

  Client device 32 checks by testing the operation from space 30 to resources 36-38. The client device 32 performs a simple operation such as obtaining a web page from the intranet 36 through the server and accessing the database 38 through “wgetintranet_homepage”. The client device 32 selects the current position profile 39 from the position profile 34 based on the belief in the manner described above.

  The position profile is formed in various ways. For example, the position profile is described manually or learned by the device over time. To describe learning for a well-known space, the term “visited space” is the space visited by the user (client device), and the visit frequency is defined as below a critical value. If the current space signature or device presence test results do not match any one of the saved profiles, or if the client device does not have any saved profiles, the client device Compare the inspection results with the signature / inspection results stored in the visited space. If any one of the visited spaces does not match the current signature / inspection result, or there is no visited space, the device stores the signature / inspection result in the visited space and stops with a visit count of 1. (Or repeat for periodic location). If there is a match, the device increments the visit count by one. If the count exceeds a critical value, the signature / inspection result moves from the visited space to a location interconnected with the well-known space and the signature / inspection result used as the current location and stops (or periodic) Repeat for location).

  For devices with limited storage capacity, the limit is determined by the number of known spaces. Other limits are determined by the number of spaces visited. Those skilled in the art will recognize that various embodiments of the present invention may be implemented in other devices and consider other factors. The two implementations may further include attempting to gather location information as queries on the network if the location is not determined with sufficient confidence.

  Client device 22 generates location information without or requiring the assumption that space 20 has a signature. The client device 32 generates location information by examining resources in the space with or without the assumption that the space 30 has a signature.

The implementations can be used independently or jointly. FIG. 4 represents one of many schemes used together in method 40, including the following steps for the client device in space.
Step 42: Start.
Step 44: Acquire a space signature.
Step 46: Compare the location profile 47 with the client device.
Step 48: above the critical value? If so, go to step 49 where the position is determined, otherwise go to step 50.
Step 50: Inspect known devices in space.
Step 52: Inspect the well-known service in the space.
Step 54: Check for known operation in space.
Step 56: Above the critical value? If so, go to step 58 where the position is determined, otherwise go to step 60.
Step 60: Send a message in the space, if any, to the other mobile device (peer) to determine if any one of the other mobile devices knows the location of the current space.
Step 62: When one or more positions are recognized by Peer, is the number of positions recognized by Peer greater than a critical value? If so, go to step 66; otherwise, go to step 64.
Step 64: Use other position determination methods such as conventional position determination methods. Stop.
Step 66: When one or more locations are recognized by the peer, the client device may select the one received by the highest number of peers. Space positioning. Stop.

  However, there are many changes due to changes in the inspection sequence of known devices, services and operations. Also, the various changes are the result of changing the order of methods and requiring peers. Moreover, even if any of the above embodiments include mobile client devices, the present invention also applies to fixed client devices.

  Referring to FIG. 5, the client device 70 communicates with other devices in a space through a wireless link or other link, and includes a communication unit 72 for the communication. As described above in connection with one or more embodiments in FIGS. 1-5, the client device includes a storage element such as a memory 74 and performs a position detection and recognition step by the client device. 76 (e.g., processor, firmware, specific circuit application). The client device 70 also includes a profile generator 77 that obtains a location profile for the space visited by the client device and maintains the location profile 78 for the known space and known device / resource. The location profile 78 can be stored in the memory 74.

  The client device may comprise a signature generation unit 75 (similar to the space signature generation unit 14 in FIG. 1 or other methods described herein) for selectively determining the signature of the current space. The location profile is also maintained external to the client device 70 for access by the client device 70. Moreover, the profile generation unit 77 can be outside the client device 70. The client device 70 may include a user interface (UI) unit such as a keyboard and a display.

  The exemplary architecture according to the present invention may be implemented by various methods such as a program instruction, a logic circuit, an ASIC (Application Specific Integrated Circuit) executed by a processor obvious to those skilled in the art, and firmware. Accordingly, the present invention is not limited to the examples described herein.

  Although the present invention has been described with reference to preferred embodiments, it is exemplary only and those skilled in the art will recognize that various modifications and equivalent other embodiments may be made therefrom. Will. Therefore, the true technical protection scope of the present invention must be determined by the technical idea of the claims.

  The present invention is applicable to technical fields related to position recognition.

2 is a block diagram illustrating a network space including a device that generates location information based on a space signature according to an embodiment of the present invention. FIG. 6 is a block diagram illustrating a client device and a network space including resources such as devices according to another embodiment of the present invention. 6 is a block diagram illustrating a network space including a client device, an intranet, an intranet server, and a database according to another embodiment of the present invention. 6 is a flowchart illustrating a method for space position determination according to an embodiment of the present invention. 2 is a block diagram of a client device according to one embodiment of the present invention.

Explanation of symbols

10, 20, 30 Network space 12, 24 Device 14 Signature generation unit 16, 22, 32 Client device 18, 26, 28, 34, 39 Location profile 19 Signature profile 36 Intranet 37 Intranet server 38 Database

Claims (59)

A position recognition method in space,
On the client device:
Maintaining at least one location profile for at least one space visited by the client device;
Obtaining a signature of the current space based on a device in the current space;
Performing location detection for the client device in the current space by comparing the signature of the current space and the signature of the space stored in the location profile;
The signature of the space is used to capture the resource in the space and to recognize the space , including the recognition of the resource and the action performed on the resource ;
The resource includes at least one of a device, content, and service.
A position recognition method characterized by the above.   The method of claim 1, wherein maintaining the location profile further comprises maintaining a location profile for the visited space at the device.   The method of claim 1, wherein performing the location detection further comprises comparing the location profile of the visited space with a signature of the current space for a match indicating the location of the current space. The position recognition method described. The step of performing the position detection includes
Retrieving the signature of the current space;
Comparing the signature stored in the location profile with the signature;
The method according to claim 1, further comprising: selecting the matched profile as the position of the current space when they match.   The method of claim 1, further comprising obtaining a signature for the current space. Obtaining a signature for the current space comprises:
Providing recognition for resources in the current space;
Discovering resources in the current space;
6. The location recognition method of claim 5, comprising using the series of discovered resource recognitions to generate a signature for the current space.   The method of claim 6, wherein providing recognition for all resources in the space includes providing a universal single identifier for all resources in the space. .   The method of claim 7, wherein the resource includes at least one device, content, and service.   The position recognition method according to claim 1, wherein the position profile for the space includes a signature of the space.   The position recognition method of claim 9, wherein the position profile for the space further includes interconnected position information of the space.   The method of claim 1, wherein the visited space includes a known space visited by the device at least once.   The method of claim 11, wherein the known space for the device includes a space visited by the device a plurality of times, and the number of visits is greater than a critical value. In a method for generating location information about a network space,
Maintaining at least one location profile for at least one space having resources known to the device;
Performing location detection for the device in the current space using information indicating a confidence level that a known resource is likely to exist in the current space, and
The location profile includes a space signature , the space signature is used to capture a resource in the space and to recognize the space, including resource recognition and actions performed on the resource ;
The resource includes at least one of a device, content, and service.
A method for generating location information about a network space.   The method according to claim 13, wherein the location profile describes a well-known resource.   The method of claim 14, wherein the step of performing the location detection further includes a step of checking the presence of the known resource in the current space.   Performing the position detection further comprises checking for the presence of all or part of the known resource in the current space using well-known operations and protocols described in the position profile; The position information generation method for the network space according to claim 15.   The method of claim 16, wherein performing the position detection further comprises determining the position of the current space based on a test result for the presence of all or part of the known resource in the current space. Location information generation method for network space.   The step of determining the position of the current space based on a test result for the presence of all or a part of the known resource in the current space depends on the presence in the current space because of position information about the current space. The method according to claim 17, further comprising selecting a location profile that describes a known resource of the network space.   Determining the position of the current space based on a test result for the presence of all or part of the known resource in the current space, because of position information about the current space The method according to claim 17, further comprising selecting a location profile that describes a known resource of the network space.   The method according to claim 13, wherein each of the position profiles includes position information about the known space. Each location profile for the space further includes at least one or more information;
The at least one information is:
A known device in the space;
Well-known services available in the space;
Special operations performed between the spaces;
The location information generation method for the network space according to claim 20, further comprising: a specific communication protocol that requires an operation between the spaces.   The method according to claim 13, wherein the space known to the device includes a space visited by the device.   The method according to claim 22, wherein the space known to the device includes a space visited a plurality of times by the device, and the number of visits is greater than a critical value. A system for position recognition in space,
A profile generator configured to obtain and maintain at least one position profile for at least one space known to the device;
A signature generator configured to generate a signature for the current space based on a device in the current space;
Comparing the signature of the current space with the signature of the space stored in the location profile to configure position detection for the device in the current space to recognize the location of the current space A position detection unit,
The signature of the space is used to capture the resource in the space and to recognize the space , including the recognition of the resource and the action performed on the resource ;
The resource includes at least one of a device, content, and service.
A position recognition system characterized by that.   The position recognition system of claim 24, wherein the profile generator is further configured to maintain the position profile for a space known in the device.   25. The position detector is further configured to compare the signature of the current space with the position profile of the known space for a match indicating the position of the current space. Position recognition system.   The position detection unit extracts a signature of the current space, compares the signature stored in the position profile with the signature, and in the case of a match, determines the position of the current space as the position of the current space. The position recognition system of claim 24, further configured to select.   The position recognition system of claim 24, wherein the device is a mobile electronic device.   25. The signature generator is further configured to discover a resource in the current space and generate a signature for the current space using a series of discovered resource recognitions. The position recognition system described in.   30. The location awareness system of claim 29, wherein each resource has a universal single identifier for all resources.   The system of claim 30, wherein the resource includes at least one device, content, and service.   The position recognition system of claim 24, wherein the location profile for the space includes a signature of the space.   The position recognition system of claim 32, wherein the position profile for the space further includes interconnected position information of the space.   25. The position recognition system of claim 24, wherein the space known to the device includes a space visited by the device.   The position recognition system of claim 34, wherein the space known to the device includes a space visited multiple times by the device, and the number of visits is greater than a critical value. A position recognition device in space,
A profile generator configured to obtain and maintain at least one position profile for at least one space known to the device;
A signature generator configured to generate a signature for the current space based on a device in the current space;
Comparing the signature of the current space with the signature of the space stored in the location profile to configure position detection for the device in the current space to recognize the location of the current space A position detection unit,
The signature of the space is used to capture the resource in the space and to recognize the space , including the recognition of the resource and the action performed on the resource ;
The resource includes at least one of a device, content, and service.
A position recognition device characterized by that.   The position recognition device of claim 36, wherein the profile generator is further configured to maintain the position profile for a space known in the device.   The position detection unit extracts a signature of the current space, compares the signature stored in the position profile with the signature, and in the case of a match, determines the position of the current space as the position of the current space. The position recognition device of claim 36, further configured to select.   The position detection unit extracts a signature of the current space, compares the signature stored in the position profile with the signature, and in the case of a match, determines the position of the current space as the position of the current space. The position recognition device of claim 36, further configured to select.   The position recognition device of claim 36, comprising a signature generator configured to obtain a signature for the current space.   41. The signature generator is further configured to discover a resource in the current space and generate a signature for the current space using a series of discovered resource recognitions. The position recognition device according to.   42. The location awareness device of claim 41, wherein each resource has a universal single identifier for all resources.   The location recognition device of claim 42, wherein the resource includes at least one device, content, and service.   The position recognition device of claim 36, wherein the location profile for the space includes a signature of the space.   The position recognition device of claim 37, wherein the position profile for the space further includes interconnected position information of the space.   The position recognition device of claim 36, wherein the space known to the device includes a space visited by the device.   The position recognition device of claim 46, wherein the space known to the device includes a space visited multiple times by the device, and the number of visits is greater than a critical value.   37. The position recognition device of claim 36, wherein the position profile includes information about known resources in a known space. A position recognition device,
A profile generator configured to obtain and maintain at least one position profile for at least one space known to the client device;
In order to recognize the position of the current space by using information in a position profile indicating a certainty level that a known resource is likely to exist in the current space, position detection is performed on the device in the current space. A position detector configured to perform,
The location profile includes a space signature , the space signature is used to capture a resource in the space and to recognize the space, including resource recognition and actions performed on the resource ;
The resource includes at least one of a device, content, and service.
A position recognition device characterized by that.   50. The location awareness device of claim 49, wherein the location profile describes the known resource.   51. The position recognition device of claim 50, wherein the position detection unit is further configured to check for the presence of the known resource in the current space.   The position detector is further configured to check for the presence of all or part of the known resources in the current space using the well-known operations and protocols described in the position profile. 52. The position recognition device according to claim 51.   53. The position detection unit is further configured to determine a position of the current space based on a test result for the presence of all or part of the known resource in the current space. Position recognition device.   The position detector may further determine the position of the current space by selecting a position profile that describes a number of well-known resources according to presence in the current space for position information about the current space. 54. The position recognition device according to claim 53, wherein the position recognition device is configured.   The position detecting unit determines a position of the current space by selecting a position profile that describes a well-known resource that is greater than or equal to a critical value due to presence in the current space for position information about the current space. 54. The position recognition device according to claim 53, further configured.   50. The position recognition device of claim 49, wherein each position profile includes position information about a known space. Each location profile for the space further includes at least one or more information;
The at least one information is:
A known device in the space;
Well-known services available in the space;
Special operations performed between the spaces;
57. The position recognition device of claim 56, comprising a specific communication protocol that requires operation between the spaces.   50. The location-aware device of claim 49, wherein the known spaces for the device include spaces visited by the device.   59. The location-aware device of claim 58, wherein the known spaces for the device include spaces visited multiple times by the device, and the number of visits is greater than a critical value.

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