LU102425B1 - A Probability-based Method for Anomaly Detecting and Relocating of Position of Base Station - Google Patents
A Probability-based Method for Anomaly Detecting and Relocating of Position of Base Station Download PDFInfo
- Publication number
- LU102425B1 LU102425B1 LU102425A LU102425A LU102425B1 LU 102425 B1 LU102425 B1 LU 102425B1 LU 102425 A LU102425 A LU 102425A LU 102425 A LU102425 A LU 102425A LU 102425 B1 LU102425 B1 LU 102425B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- base station
- packet
- anomaly detecting
- anomaly
- distance
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
-
- 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
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to the technical field of indoor positioning, in particular to a method for anomaly detecting and relocating of position of base station. The present invention is aimed at all base stations of that system, firstly, the distance information between each base station is obtained by routing table and time difference method, then the probability-based method is used to detect the base station to determine which is in anomaly position, finally, the cosine theorem is used to relocate the anomaly base station, thus the detecting of the anomaly position and relocating of the base station, to improve the accuracy of tag positioning, are realized.
Description
BL-5190 LU102425 Probability-based Method for Anomaly Detecting and Relocating of Position of Base Station
BACKGROUND Field of the Invention
[0001] The present invention relates to the technical field of indoor positioning, in particular to a method for anomaly detecting and relocating of position of base station. Background of the Invention
[0002] With the popularization of Internet of Things and mobile devices, positioning technology has been applied in more and more scenes. However, when satellite positioning cannot be used in the indoor environment, indoor positioning technology is used as an auxiliary tool for satellite positioning to solve the problem that satellite signals are weak when reaching the ground and cannot penetrate buildings, and finally the current position of the positioning tag is obtained. In indoor positioning technology, several fixed base stations are needed to determine the coordinates of the tags to be positioned, these base stations need to work for a long time and the position thereof cannot move, otherwise the tag positioning results will have great errors. [0003 JHowever, in a practical application process, the fixed base station may produce large or small displacement due to the influence of external factors, wherein the large displacement can be easily found by naked eyes, while the small displacement is not easy to detect. When the position of the positioning base station changes, the coordinates of the pre-stored base stations in the host do not change, resulting in the use of the wrong base station coordinates to locate the positioning tags, thus the positioning of the positioning tags will produce great errors.
[0004] Therefore, the anomaly detecting and relocating of the fixed base station is the | key to solve the inaccurate tag positioning caused by the displacement deviation of | the base station. 1
BL-5190 SUMMARY LU102425
[0005]The object of the present invention is to provide a method for anomaly detecting and relocating of position of base station to improve the accuracy of tag positioning.
[0006]In order to solve the above-mentioned problems, the technical solution provided by present invention is a method for anomaly detecting and relocating of position of base station, comprising:
[0007]stepl:setting an anomaly detecting period T, 2 min < T < 5 min, setting an anomaly detecting interval time T1, 30 min < T1 < 60 min, then a host entersan anomaly detecting, and a base station Ag connected with the host broadcasts an anomaly detecting packet, wherein contents of which comprise an anomaly detecting number AD, a base station number and a packet-transmitting time stamp To of a packet-transmitting base station Ay;
[0008]step 2:after receiving a data packet, a base station A; (i # 0) judges type of the data packet, and if the type of the data packet is the anomaly detecting packet, skipping to step 3; if the type of the data packet is a ranging return packet, judging whether a destination base station number in the received ranging return packet is consistent with the base station number of the base station A;, and if so, skipping to step 5; if not, discarding the ranging return packet, skipping to step 6;
[0009]step 3: the base station A; judges whether the anomaly detecting number AD in the received anomaly detecting packet is consistent with the anomaly detecting number AD; stored in a routing table of the base station, if so, skipping to step 4; and if not, the base station A; modifies the anomaly detecting number in the routing table of the base station to the anomaly detecting number in the received anomaly detecting packet, that is, AD;= AD, modifying a next hop base station number in the routing table to a packet-transmitting base station number in the received anomaly detecting packet, empting a detecting table of the base station, and extracting the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station A, in the received anomaly detecting packet; broadcasting the anomaly detecting packet and the ranging return packet of the base station, wherein the 2
BL-5190 contents of the anomaly detecting packet comprise the anomaly detecting number AD, (0108625 the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A;; The contents of the ranging return packet comprise the anomaly detecting number AD, the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A;, the destination base station number which is the next hop base station number in the routing table of base station, and, the base station number and the packet-transmitting time stamp Tx of the packet-transmitting base station Ay of the anomaly detecting packet received by the base station A; this time, then skipping to step 6;
[0010]step 4: the base station A; verifies whether the base station number of the packet-transmitting base station Ay in the received anomaly detecting packet already exists in the detecting table of the base station, and if not, extracting the base station number and the packet-transmitting time stamp T, of the packet-transmitting base station Ay in the received anomaly detecting packet; adding the base station number of the packet-transmitting base station Ay of the anomaly detecting package into the detecting table of the base station, broadcasting the ranging return packet of the base station, wherein the contents of the ranging return packet comprise the anomaly detecting number AD, the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station Aj, the base station number of the destination base station which is the next hop base station number in the routing table of base station, and, the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station Ay of the anomaly detecting packet received by the base station A; this time, then skipping to step 6; if so , discarding the ranging return packet , skipping to step 6;
[0011]step 5: the base station A; modifies the base station number of the destination base station in the received ranging return packet to the next hop base station number in the routing table of base station, and then broadcasts the modified ranging return packet;
[0012]step 6: if the anomaly detecting time does not reach the anomaly detecting period T, A; continues to receive the data packet, skipping to step 2; if the anomaly 3
BL-5190 detecting time reaches the anomaly detecting period T, then skipping to step 7; LU102425
[0013]step 7: base station Ag uploadsa received data return packet to the host, and the host extracts the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A; of the data return packet, the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station A, of the anomaly detecting packet received by the base station A;, and calculates the distance Dix between the base station A; and the base station Ar; (0014) D, = ELD +07, 7,1) 2
[0015] wherein C represents the speed of light; a system has m base stations , (m > 3), making 1=1, to step A;
[0016]step A, making k=1, to step B;
[0017]step B, storing the distance Dix between the base station A; and the base station Ay calculated by the host in the host’s distance table2, if the distance Di does not exist in the calculate result of the host, then making Dy=0, k=k+1, to step C.
[0018]step C, if k<m, to step B; else if k>m, making i=i+1, to step D;
[0019]step D, if i<m, to step A; else if i>m, to step 8;
[0020]step 8:comparing a distance table 2 storing the distance detecting results of each base station to a distance table 1,pre-stored in the host, storing the distance results of each base station, making i=1; to step M;
[0021]step M, making k=1; making the number of capable of ranging distance base station of base station A; y=0, and making an anomaly distance statistical parameter of base station A; a=0, to step N;
[0022]step N, the distance between the base station A; and the base station Ay in the distance table 1 and the distance table 2 are Di, 1<k<m, i#k, if Dix in the distance table 1 and the distance table 2 are not all 0, the number of capable of ranging distance base station of base station A; y=y+1, if Dix in the distance table 1 and the distance table 2 are not equal, the anomaly distance statistical parameter of the base station A; a=a+1 ‚to step 0,if Dix in the distance table 1 and the distance table 2 are equal, to step 0: 4
BL-5190
[0023]step 0, making k=k+1,if k<m, to step N, if k>m a>0.5y, then the position of the LU102425 base station A; is in anomaly, to step 9, if k > m, a < 0.5 y, then i=i+1; if i < m, to step M, if i>m, to step 10;
[0024]step 9; recalculating the coordinates of the base station A; , arbitrarily select the two base stations A, and Ay that can range distance around the base station A;, and calculating the angle between AyAy and AxA; through cosine theorem:
[0025] cos’ = BEE 2 u
[0026] the new coordinates of A; is (Dui*cos®, Dui*sin®), making i=i+1, if i < m, to step M, if 1 > m, to step 10;
[0027]step 10;covering the contents of the distance table 2 with the distance table 1, storing in the host, and updating the new coordinates of each base station, detecting finished, then entering to anomaly interval, if an interval time reaches the anomaly interval time T1, the host enters to a new round of anomaly detecting.
[0028] The present invention benefits in:
[0029] The present invention is aimed at all base stations of system, firstly, the distance information between each base station is obtained by routing table and time difference method, then the probability-based method is used to detect the base station to determine which is in anomaly position, finally, the cosine theorem is used to relocate the anomaly base station, thus the detecting of the anomaly position and relocating of the base station, to improve the accuracy of tag positioning, are realized.
Brief description of the drawings
[0030]Fig.1 is a schematic diagram of a base station system of the present invention;
[0031]Fig.2 is a data packet flow chart of a method for anomaly detecting and relocating of position of base station;
[0032]Fig.3 is a relocation flow chart of a method for anomaly detecting and relocating of position of base station.
[0033]The present invention provides a method for anomaly detecting and relocating
BL-5190 of position of base station, comprising: LU102425
[0034] stepl:setting an anomaly detecting period T, T=5 min, setting an anomaly detecting interval time T1, T1=30 min, then a host enters an anomaly detecting, and a base station Ag connected with the host broadcasts an anomaly detecting packet, wherein contents of which comprise an anomaly detecting number AD, a base station number and a packet-transmitting time stamp To of a packet-transmitting base station Ag;
[0035]step 2:after receiving a data packet, a base station A; (i # 0) judges type of the data packet, and if the type of the data packet is the anomaly detecting packet, skipping to step 3; or if the type of the data packet is a ranging return packet, judging whether a destination base station number in the received ranging return packet is consistent with the base station number of the base station A;, and if so, skipping to step 5; if not, discarding the ranging return packet, skipping to step 6;
[0036]step 3: the base station A; judges whether the anomaly detecting number AD in the received anomaly detecting packet is consistent with the anomaly detecting number AD; stored in a routing table of the base station, if so, skipping to step 4; and if not, the base station A; modifies the anomaly detecting number in the routing table of the base station to the anomaly detecting number in the received anomaly detecting packet, that is, AD;= AD, modifying a next hop base station number in the routing table to a packet-transmitting base station number in the received anomaly detecting packet, empting a detecting table of the base station, and extracting the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station A, in the received anomaly detecting packet; broadcasting the anomaly detecting packet and the ranging return packet of the base station, wherein the contents of the anomaly detecting packet comprise the anomaly detecting number AD, the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A;; contents of the ranging return packet comprise the anomaly detecting number AD, the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A;, the destination base station number which is the next hop base station number in the routing table of the base 6
BL-5190 station, and, the base station number and the packet-transmitting time stamp Ty of the LU102425 packet-transmitting base station A, of the anomaly detecting packet received by the base station A; this time, then skipping to step 6;
[0037]step 4: the base station A; verifies whether the base station number of the packet-transmitting base station Ay in the received anomaly detecting packet already exists in the detecting table of the base station, and if not, extracting the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station A, in the received anomaly detecting packet; adding the base station number of the packet-transmitting base station A, of the anomaly detecting package into the detecting table of the base station, broadcasting the ranging return packet of the base station, wherein the contents of the ranging return packet comprise the anomaly detecting number AD, the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A;, the base station number of the destination base station which is the next hop base station number in the routing table of the base station, and, the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station Ay of the anomaly detecting packet received by the base station A; this time, then skipping to step 6; if so, discarding the ranging return packet , skipping to step 6;
[0038]step 5: the base station A; modifies the base station number of the destination base station in the received ranging return packet to the next hop base station number in the routing table of the base station, and then broadcasts the modified ranging return packet;
[0039]step 6: if an anomaly detecting time does not reach the anomaly detecting period T, A; continues to receive the data packet, skipping to step 2; if the anomaly detecting time reaches the anomaly detecting period T, then skipping to step 7;
[0040]step 7: base station Ag uploads a received data return packet to the host, and the host extracts the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A; of the data return packet, the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station A, of the anomaly detecting packet received by the base station A;, and calculates the 7
BL-5190 distance Dix between the base station A; and the base station Ay; LU102425 (0041 D, = 0-7, D +07, 7,1) 2
[0042] wherein C represents the speed of light; a system has m base stations , (m > 3), making i=1, to step A; [0043 ]step A A, making k=1, to step B;
[0044]step B, storing the distance Dix between the base station A; and the base station Ay calculated by the host in the host’s distance table2, if the distance D; does not exist in the calculate result of the host, then making Dy=0, k=k+1, to step C.
[0045]step C, if k<m, to step B; else if k>m, making i=i+1, to step D;
[0046]step D, if i<m, to step A; else if i>m, to step 8:
[0047]step 8:comparing the distance table 2 storing the distance detecting results of each base station to the distance table 1,pre-stored in the host, storing the distance results of each base station ,making i=1; to step M;
[0048]step M, making k=1; making the number of capable of ranging distance base station of base station A; y=0of , and making an anomaly distance statistical parameter of base station A; a=0, to step N;
[0049]step N, the distance between the base station A; and the base station Az in the distance table 1 and the distance table 2 are Dix, 1<k<m, i#k, if Dj in the distance table 1 and the distance table 2 are not all 0, the number of capable of ranging distance base station of base station A; y=y+1, if Dix in the distance table 1 and the distance table 2 are not equal, the anomaly distance statistical parameter of the base station A; a=a+1 ‚to step O,if Di, in the distance table 1 and the distance table 2 are equal, to step 0;
[0050]step 0, making k=k+1, if k<m, to step N, if k>m a>0.5y, then the position of the base station A; is in anomaly, to step 9, if k > m, a < 0.5 y, then i=i+1; if i <m, to step M, if i>m, to step 10;
[0051]step 9; recalculating coordinates of the base station A; , arbitrarily select the two base stations A, and Ay that can range distance around the base station A;, and calculating the angle between Aj Ay, and AA; through cosine theorem: 8
BL-5190 LU102425
[0052] cos’ = Baal [0053 ]the new coordinates of A; is (Du*cos®, Dui*sin®), making i=i+1, if i < m, to step M, if i > m, to step 10;
[0054]step 10;covering the contents of the distance table 2 with the distance table 1, pre-storing in the host, and updating the new coordinates of each base station, detecting finished, then entering to anomaly interval, if an interval time reaches the anomaly interval time T1, the host enters to a new round of anomaly detecting. [00SS]The host pre-stores the distance information between each base station of the system in the distance table 1, in the process of detecting, the routing table and the time difference method are used to obtain the distance information between each base station of the system, then, the probability-based method is used to compare the detected distance table 2 with the pre-stored distance table 1 to determine the base station with anomaly position, finally, the cosine theorem is used to relocate the anomaly base station, on the basis of not consuming additional equipment and personnel, the detecting of the anomaly position and relocating of the base station, to improve the accuracy of tag positioning, are realized.
9
Claims (1)
1. A method for anomaly detecting and relocating of position of base station, comprising: stepl:setting an anomaly detecting period T, 2 min < T < 5 min, setting an anomaly detecting interval time T1, 30 min < T1 < 60 min, then a host enters an anomaly detecting, and a base station Ao connected with the host broadcasts an anomaly detecting packet, wherein contents of which comprise an anomaly detecting number AD, a base station number and a packet-transmitting time stamp To of a packet-transmitting base station Ao; step2:after receiving a data packet, a base station A; (i # 0) judges type of the data packet, and if the type of the data packet is the anomaly detecting packet, skipping to step 3; if the type of the data packet is a ranging return packet, judging whether a destination base station number in the received ranging return packet is consistent with the base station number of the base station A;, and if so, skipping to step 5; if not, discarding the ranging return packet, skipping to step 6; step3: the base station A; judges whether the anomaly detecting number AD in the received anomaly detecting packet is consistent with the anomaly detecting number AD; stored in a routing table of the base station, if so, skipping to step 4; and if not, the base station A; modifies the anomaly detecting number in the routing table of the base station to the anomaly detecting number in the received anomaly detecting packet, that is, AD;= AD, modifying a next hop base station number in the routing table to a packet-transmitting base station number in the received anomaly detecting packet, empting a detecting table of the base station, and extracting the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station A, in the received anomaly detecting packet; broadcasting the anomaly detecting packet and the ranging return packet of the base station, wherein the contents of the anomaly detecting packet comprise the anomaly detecting number AD, the base station number and the packet-transmitting time stamp Ti of the packet-transmitting base station Aj; contents of the ranging return packet comprise the anomaly detecting number AD, the base station number and the packet-transmitting
BL-5190 time stamp T; of the packet-transmitting base station Ai, the destination base station LU102425 number which is the next hop base station number in the routing table of the base station, and, the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station Ay of the anomaly detecting packet received by the base station A; this time, then skipping to step 6; step 4: the base station A; verifies whether the base station number of the packet-transmitting base station A in the received anomaly detecting packet already exists in the detecting table of the base station, and if not, extracting the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station Ay in the received anomaly detecting packet; adding the base station number of the packet-transmitting base station Ax of the anomaly detecting package into the detecting table of the base station, broadcasting the ranging return packet of the base station, wherein the contents of the ranging return packet comprise the anomaly detecting number AD, the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A;, the base station number of the destination base station which is the next hop base station number in the routing table of the base station, and, the base station number and the packet-transmitting time stamp Ty of the packet-transmitting base station Ax of the anomaly detecting packet received by the base station A, this time, then skipping to step 6; if so , discarding the ranging return packet, skipping to step 6; step5: the base station A; modifies the base station number of the destination base station in the received ranging return packet to the next hop base station number the routing table of the base station, and then broadcasts the modified ranging return packet; step6: if an anomaly detecting time does not reach the anomaly detecting period T , A; continues to receive the data packet, skipping to step 2; if the anomaly detecting time reaches the anomaly detecting period T, then skipping to step 7; step7: base station Ao uploads a received data retum packet to the host, and the host extracts the base station number and the packet-transmitting time stamp T; of the packet-transmitting base station A; of the data return packet, the base station number 11
BL-5190 and the packet-transmitting time stamp T, of the packet-transmitting base station Ax LU102425 of the anomaly detecting packet received by the base station A;, and calculates the distance Dy between the base station À; and the base station Ax: D, = H(L-TD+(L-T.D) 2 wherein C represents the speed of light; a system has m base stations, (m > 3), making i=1, to step A; step A, making k=1, to step B; step B, storing the distance Dix between the base station A; and the base station Ag calculated by the host in the host’s distance table2, if the distance Dy does not exist in the calculate result of the host, then making Dy=0, k=k+1, to step C; step C, if k<m, to step B; else if k>m, making i=i+1, to step D; step D, if i<m, to step A; else if i>m, to step 8; step 8:comparing a distance table 2 storing the distance detecting results of each base station to a distance table 1,pre-stored in the host, storing the distance results of each base station, making i=1; to step M; step M, making k=1, making the number of capable of ranging distance base station of base station A; y=0 , and making an anomaly distance statistical parameter of base station A; a=0, to step N; step N, the distance between the base station A; and the base station Ax in the distance table 1 and the distance table 2 are Dix, 1<k<m, i#k, if Dix in the distance table 1 and the distance table 2 are not all 0, the number of capable of ranging distance base station of base station A; y=y+1, if Dy in the distance table 1 and the distance table 2 are not equal, the anomaly distance statistical parameter of the base station A; a=a+1, to step 0,if Di, in the distance table 1 and the distance table 2 are equal, to step 0; step 0, making k=k+1, if k<m, to step N, if k>m, a>0.5y,then the position of the | base station A; is in anomaly, to step 9 ,if k > m, a < 0.5 y, then i=i+1; if 1 < m, to step M, if i>m, to step 10; step 9; recalculating coordinates of the base station A; , arbitrarily select the two 12 me
BL-5190 base stations A, and An that can range distance around the base station Ai and LU102425 calculating the angle between AxAn and AyA; through cosine theorem: D+ D; + Dj, c os’ — kh ki hi 2* Dy, * Dy the new coordinates of A; is (Di*cos’, Dyi*sin®), making i=i+1, if i <m, to step M, if 1 > m, to step 10; step 10;covering the contents of the distance table 2 with the distance table 1, pre-storing in the host, and updating the new coordinates of each base station, detecting finished, then entering to anomaly interval, if an interval time reaches the anomaly interval time T1, the host enters to a new round of anomaly detecting. 13
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010229760.5A CN111447564B (en) | 2020-03-27 | 2020-03-27 | Probability-based base station position anomaly detection and relocation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU102425B1 true LU102425B1 (en) | 2021-08-04 |
Family
ID=71649091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU102425A LU102425B1 (en) | 2020-03-27 | 2021-01-15 | A Probability-based Method for Anomaly Detecting and Relocating of Position of Base Station |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111447564B (en) |
| LU (1) | LU102425B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112601173B (en) * | 2020-11-30 | 2021-10-08 | 西安电子科技大学 | 5G positioning truth value detection and attack tracing method, system, equipment and application |
| CN115134741B (en) * | 2021-03-24 | 2024-05-10 | 华为技术有限公司 | UWB base station anomaly detection method and electronic equipment |
| CN115379556A (en) * | 2022-08-17 | 2022-11-22 | 上海应用技术大学 | Underground intelligent electric lamp device for positioning personnel and positioning method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394733B (en) * | 2011-11-03 | 2014-11-12 | 北京邮电大学 | Double-base station single-relay multi-user data packet retransmission method based on network coding |
| JP6149374B2 (en) * | 2012-10-11 | 2017-06-21 | 中国電力株式会社 | Location system and method for locating mobile terminal |
| CN106332156A (en) * | 2015-07-02 | 2017-01-11 | 深圳平安通信科技有限公司 | WIFI anomaly detection control system and method |
| CN105376707B (en) * | 2015-09-29 | 2019-04-02 | 华南师范大学 | Mobile node positioning method and device based on stealthy anchor node |
| CN105825242B (en) * | 2016-05-06 | 2019-08-27 | 南京大学 | The real-time method for detecting abnormality in cluster communication terminal track and system based on hybrid grid hierarchical cluster |
| WO2019141090A1 (en) * | 2018-01-19 | 2019-07-25 | 电信科学技术研究院有限公司 | Positioning method and related device |
| CN109819396B (en) * | 2019-01-30 | 2020-12-04 | 北京布科思科技有限公司 | Wireless positioning method and system |
| CN110568456B (en) * | 2019-09-11 | 2022-01-14 | 北京交通大学 | Train satellite positioning deception jamming detection method based on ultra wide band assistance |
-
2020
- 2020-03-27 CN CN202010229760.5A patent/CN111447564B/en active Active
-
2021
- 2021-01-15 LU LU102425A patent/LU102425B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN111447564B (en) | 2021-05-14 |
| CN111447564A (en) | 2020-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| LU102425B1 (en) | A Probability-based Method for Anomaly Detecting and Relocating of Position of Base Station | |
| US10812941B2 (en) | Positioning method and device | |
| US7174172B2 (en) | System and method for asset location in wireless networks | |
| US8918118B2 (en) | Method, apparatus and system for addressing operating devices for luminaires | |
| CN105547297A (en) | Indoor positioning method based on UWB positioning system | |
| CN112995897B (en) | UWB multi-dimensional positioning method, system, computer equipment and storage medium | |
| CN103592622A (en) | A signal positioning system and a positioning method thereof | |
| CN104053231B (en) | Real-time location method and system | |
| CN105531599A (en) | Method and apparatus for time of flight fingerprint and geo-location | |
| US7158799B2 (en) | Wireless base station position setting method, wireless communication system, and program | |
| CN110736963A (en) | indoor Wi-Fi positioning method, device and storage medium based on CSI | |
| CN102472810A (en) | Method for calibrating a propagation-time-based localization system | |
| KR20230025992A (en) | Apparatus and method for indoor positioning of pedestrians | |
| EP3835808B1 (en) | Dynamic power positioning method and dynamic power positioning system | |
| US8103286B2 (en) | Wireless communication system for automatically generating a received signal strength distribution map | |
| KR102267954B1 (en) | Rss signal correction method | |
| CN110988795A (en) | Mark-free navigation AGV global initial positioning method integrating WIFI positioning | |
| CN104007416A (en) | Indoor location error correcting method | |
| CN114430524B (en) | Calibration method and device of ultra-wideband base station and electronic equipment | |
| KR102566519B1 (en) | Position measuring method for improving accuracy of gps in multipath fading | |
| CN112699700B (en) | Intelligent robot positioning system and method based on radio frequency technology | |
| EP3842820B1 (en) | Power positioning method and power positioning device | |
| US20140316738A1 (en) | Apparatus and method for measuring position of light | |
| US11503429B2 (en) | Relative position positioning system and relative position positioning method thereof | |
| KR102664433B1 (en) | Terminal location providing system and location providing method using identification mark recognition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Effective date: 20210804 |