WO2019150164A1 - Location feeds aggregator for wireless access points - Google Patents
Location feeds aggregator for wireless access points Download PDFInfo
- Publication number
- WO2019150164A1 WO2019150164A1 PCT/IB2018/050610 IB2018050610W WO2019150164A1 WO 2019150164 A1 WO2019150164 A1 WO 2019150164A1 IB 2018050610 W IB2018050610 W IB 2018050610W WO 2019150164 A1 WO2019150164 A1 WO 2019150164A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- feeds
- location
- hash table
- forwarding
- location feeds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/12—Access point controller devices
Definitions
- Wireless Access Points or the controller machine managing a cluster of Wireless Access Points forward location feeds periodically to the location engine server for plotting the location of the wireless client.
- These location feeds contain information like RSSI(Received Signal Strength Indicator) respectively for different wireless clients(who have their unique Media Access Control(MAC) address or unique labels), Media Access Control(MAC) address of the client, mac address of the Access Point, etc.
- RSSI Receiveived Signal Strength Indicator
- MAC Media Access Control
- hash tables namely 0 and 1. Both hash tables have client Media Access Control(MAC) Address as the key and the value as the linked list of location feeds corresponding for that client Media Access Control(MAC) maintaining insertion order. Now we also maintain a lookup bit which indicates what hash table(0 or 1) has to be used for inserting incoming location feeds(called as feeds aggregator table) and consequently other hash table(called as forwarding hash table) meanwhile is iterated through and the location feeds for each of the corresponding client Media Access Control(MAC) address is forwarded to the location engine server in batches or sequentially one by one.
- forwarding hash table all the entries in the hash table used for forwarding location feeds (forwarding hash table) are deleted periodically every x number of seconds (typically 10 seconds) after which the lookup bit is atomically reset to the original value indicating that now the hash table used for inserting location feeds will be used for forwarding location feeds and vice versa.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Here we have two hash tables which have client MAC Address as the key and the value as the linked list of location feeds corresponding for that client MAC maintaining insertion order. We have a lookup bit which indicates what hash table has to be used for inserting incoming feeds and other hash table meanwhile is iterated through and the location feeds are forwarded to the location engine server in batches or sequentially per client MAC.
Description
Location Feeds Aggregator for Wireless Access Points
Wireless Access Points or the controller machine managing a cluster of Wireless Access Points forward location feeds periodically to the location engine server for plotting the location of the wireless client. These location feeds contain information like RSSI(Received Signal Strength Indicator) respectively for different wireless clients(who have their unique Media Access Control(MAC) address or unique labels), Media Access Control(MAC) address of the client, mac address of the Access Point, etc. Now Wireless Access Points or the controller machine managing Wireless Access Points might have to handle large number of location feeds in a short burst of time interval if there are many wireless clients in the range of the Wireless Access Point. In this invention we have a novel technique to handle the above mentioned situation.
In this technique we have two hash tables namely 0 and 1. Both hash tables have client Media Access Control(MAC) Address as the key and the value as the linked list of location feeds corresponding for that client Media Access Control(MAC) maintaining insertion order. Now we also maintain a lookup bit which indicates what hash table(0 or 1) has to be used for inserting incoming location feeds(called as feeds aggregator table) and consequently other hash table(called as forwarding hash table) meanwhile is iterated through and the location feeds for each of the corresponding client Media Access Control(MAC) address is forwarded to the location engine server in batches or sequentially one by one. Also the all the entries in the hash table used for forwarding location feeds (forwarding hash table) are deleted periodically every x number of seconds (typically 10 seconds) after which the lookup bit is atomically reset to the original value indicating that now the hash table used for inserting location feeds will be used for forwarding location feeds and vice versa. We can start by keeping the value of the lookup bit to zero and we should tune the periodic time value of aggregating location feeds and sending them to the location engine server according to the processing capability of the Wireless Access Point or the controller machine managing the cluster of Wireless Access Points which will make sure that we don't drop any location feeds in periodic time interval of x number of seconds.
Claims
Claims
Following are the claims in the invention: - 1> In this technique we have two hash tables namely 0 and 1. Both hash tables have client Media Access Control(MAC) Address as the key and the value as the linked list of location feeds corresponding for that client Media Access Control(MAC) maintaining insertion order. Now we also maintain a lookup bit which indicates what hash table(0 or 1) has to be used for inserting incoming location feeds(called as feeds aggregator table) and consequently other hash table(called as forwarding hash table) meanwhile is iterated through and the location feeds for each of the corresponding client Media Access Control(MAC) address is forwarded to the location engine server in batches or sequentially one by one. Also the all the entries in the hash table used for forwarding location feeds (forwarding hash table) are deleted periodically every x number of seconds (typically 10 seconds) after which the lookup bit is atomically reset to the original value indicating that now the hash table used for inserting location feeds will be used for forwarding location feeds and vice versa.
We can start by keeping the value of the lookup bit to zero and we should tune the periodic time value of aggregating location feeds and sending them to the location engine server according to the processing capability of the Wireless Access Point or the controller machine managing the cluster of Wireless Access Points which will make sure that we don't drop any location feeds in periodic time interval of x number of seconds. The above novel technique of handling location feeds by periodically swapping feeds aggregator table and forwarding hash table, and checking for the lookup bit value to get the hash table to be used for inserting incoming feeds is the claim for this invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2018/050610 WO2019150164A1 (en) | 2018-01-31 | 2018-01-31 | Location feeds aggregator for wireless access points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2018/050610 WO2019150164A1 (en) | 2018-01-31 | 2018-01-31 | Location feeds aggregator for wireless access points |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019150164A1 true WO2019150164A1 (en) | 2019-08-08 |
Family
ID=67477950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2018/050610 Ceased WO2019150164A1 (en) | 2018-01-31 | 2018-01-31 | Location feeds aggregator for wireless access points |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2019150164A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116032932A (en) * | 2022-12-20 | 2023-04-28 | 苏州浪潮智能科技有限公司 | Cluster management method, system, device and medium for edge server |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070087763A1 (en) * | 2005-10-18 | 2007-04-19 | Honeywell International Inc. | Location aware wireless security |
| US20140050320A1 (en) * | 2012-08-15 | 2014-02-20 | Interdigital Patent Holdings, Inc. | Enhancements to enable fast security setup |
-
2018
- 2018-01-31 WO PCT/IB2018/050610 patent/WO2019150164A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070087763A1 (en) * | 2005-10-18 | 2007-04-19 | Honeywell International Inc. | Location aware wireless security |
| US20140050320A1 (en) * | 2012-08-15 | 2014-02-20 | Interdigital Patent Holdings, Inc. | Enhancements to enable fast security setup |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116032932A (en) * | 2022-12-20 | 2023-04-28 | 苏州浪潮智能科技有限公司 | Cluster management method, system, device and medium for edge server |
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