Method and system for measuring traffic information in CDMA network

• US 8,175,792 B2
• Filed: 03/20/2007
• Issued: 05/08/2012
• Est. Priority Date: 03/20/2006
• Status: Active Grant

• Current Assignee: Value Innovation Partners Co., Ltd.
• Original Assignee: KT Corporation
• Inventors: Kim, Shin-Jae, Kim, Kyung-Yup
• Primary Examiner(s): EL CHANTI, HUSSEIN A
• Application Number:
  US12/293,702
• Publication Number:
  US 20090125220A1
• Time in Patent Office: 1,876 Days
• Field of Search: 701/117, 701/119
• US Class Current: 701/117
• CPC Class Codes: G08G 1/0104 Measuring and analyzing of parameters relative to traffic conditions
• CPC Class Codes: H04W 64/006 with additional information processing, e.g. for direction or speed determination

Abstract

A method for measuring traffic information, conducted by a traffic information analyzing device interworking with a radio operating device connected to BSS (Base Station Subsystem) of a synchronous CDMA (Code Division Multiple Access) network or RNC (Radio Network Controller) of an asynchronous WCDMA (Wideband Division Multiple Access) network, includes acquiring a location information message of MS (Mobile Station), which is provided from the BSS or RNC and stored in the radio operating device; analyzing location information of the MS by utilizing the location information message; and calculating traffic information of the MS including a moving speed of each measurement region by using the analyzed location information.

Claims

1. A method for measuring traffic information, conducted by a traffic information analyzing device interworking with a radio operating device connected to BSS (Base Station Subsystem) of a synchronous CDMA (Code Division Multiple Access) network that includes BTS (Base Transceiver Station) taking charge of communication interface for MS (Mobile Station) and BSC (Base Station Controller) managing radio resources of the BTS, the method comprising:

(a) acquiring a location information message of MS, which is provided from the BSS and stored in the radio operating device;

(b) analyzing location information of the MS by utilizing the location information message; and

(c) calculating traffic information of the MS including a moving speed of each measurement region by using the analyzed location information,

wherein the following step is executed before the step (a);

the traffic information analyzing device controlling the radio operating device to selectively activate a specific sub-cell among sub-cells of the synchronous CDMA network so that a location information message collecting function is endowed to the specific sub-cell,

wherein the traffic information analyzing device executes;

obtaining BTS latitude/longitude data, PN (Pseudo Noise) information, antenna direction and relay latitude/longitude data by interworking with NMS (Network Management System); and

calculating a distance between BTSs using the BTS latitude/longitude data, and recognizing a current location of the MS using at least one selected from the PN_PHASE, RTD (Round Trip Delay) and PN, thereby calculating a moving distance and a speed of each measurement region.

2. The method for measuring traffic information according to claim 1,

wherein the location information message includes PN (Pseudo Noise)_PHASE acquired from PPSMM (Periodic Pilot Strength Measurement Message), PSMM (Pilot Strength Measurement Message) or PMRM (Pilot Measurement Report Message) sent from the MS to a sub-cell and then delivered to the BSC, and RTD (Round Trip Delay) sent from the sub-cell to the BSC.

3. The method for measuring traffic information according to claim 2,

wherein the location information message from the BSC to the radio operating device is stored whenever the PPSMM, PSMM or PMRM is received in the BSC.

4. The method for measuring traffic information according to claim 2,

wherein the location information message from the BSC to the radio operating device is stored according to a period set in the BSC itself.

5. The method for measuring traffic information according to claim 1, in the step (c), further comprising:

mapping the calculated traffic information on a road map.

6. A traffic information analyzing device, interworking with a radio operating device in a synchronous CDMA network and provided to a traffic information measuring system for measuring traffic information by utilizing MS, the device comprising:

a message receiving unit for acquiring a location information message of MS, provided from BSS of the synchronous CDMA network and stored in the radio operating device;

a measuring unit for analyzing location information of the MS using the location information message, and calculating traffic information of the MS including a moving speed of each measurement region;

a NMS interworking unit for acquiring BTS latitude/longitude data, PN information, antenna direction and relay latitude/longitude data by interworking with NMS; and

an activation controlling unit for controlling the radio operating device so that a location information message collecting function is endowed to a specific sub-cell among sub-cells of the synchronous CDMA network,

wherein the measuring unit calculates a distance between BTSs using the BTS latitude/longitude data, and calculates a moving distance and a speed of each measurement region by recognizing a current location of the MS using at least one selected from the PN_PHASE, RTD and PN.

7. The traffic information analyzing device according to claim 6,

wherein the location information message includes PN_PHASE acquired from PPSMM, PSMM or PMRM sent from the MS to a corresponding sub-cell and delivered to BSC of the BSS, and RTD sent from the sub-cell to the BSC.

8. The traffic information analyzing device according to claim 6, further comprising a mapping processing unit for mapping the calculated traffic information on a road map by interworking with a road map DB (DataBase) server.

9. A method for measuring traffic information, conducted by a traffic information analyzing device interworking with a radio operating device connected to RAN (Radio Access Network) of an asynchronous WCDMA (Wideband Code Division Multiple Access) network that includes Node_B taking charge of communication interface of MS (Mobile Station) and RNC (Radio Network Controller) managing radio resources of the Node_B, the method comprising:

(a) acquiring a location information message of MS, which is provided from the RAN and stored in the radio operating device;

(b) analyzing location information of the MS by utilizing the location information message; and

(c) calculating traffic information of the MS including a moving speed of each measurement region by using the analyzed location information,

wherein the following step is executed before the step (a);

the traffic information analyzing device controlling the radio operating device to selectively activate a specific sub-cell among sub-cells of the asynchronous WCDMA network so that a location information message collecting function is endowed to the specific sub-cell,

wherein the location information message includes PSC (Primary Scrambling Code) or Cell ID acquired from Event MR (Measurement Report) or Periodic MR sent from the MS to a sub-cell and then delivered to the RNC, and a moving distance measurement parameter acquired from UE (User Equipment) Positioning MR sent from the MS to a sub-cell and then delivered to the RNC, and RTT sent to the RNC from a sub-cell in which the MS receives service during calling, and

wherein traffic information analyzing device calculates a distance between Node_B s using the Node_B latitude/longitude data, and calculates a moving distance and a speed of each measurement region by recognizing a current location of the MS using at least one selected from the RTT, PSC, Cell ID and UE Position, included in the location information message.

10. The method for measuring traffic information according to claim 9,

wherein the location information message from the RNC to the radio operating device is stored whenever the MR is received in the RNC.

11. The method for measuring traffic information according to claim 9,

wherein the location information message from the RNC to the radio operating device is stored according to a period set in the RNC itself.

12. The method for measuring traffic information according to claim 9, in the step (c), further comprising:

mapping the calculated traffic information on a road map.

13. A system for measuring traffic information, provided in an asynchronous WCDMA network to measure traffic information by utilizing MS, the system comprising:

a radio operating device including;

a location information acquiring unit for operating and managing RAN and receiving a location information message of MS from RNC of the RAN;

a storing unit for storing the location information message;

a location information providing unit for sending the location information message to outside; and

an activation processing unit for activating a specific location information message collecting sub-cell, and

a traffic information analyzing device including;

a message receiving unit for acquiring the location information message of the MS, stored in the radio operating device;

a measuring unit for calculating traffic information of the MS including a moving speed of each measurement region by analyzing location information of the MS using the location information message, and

an activation controlling unit for controlling the radio operating device so that a location information message collecting function is endowed to a specific sub-cell among sub-cells of the synchronous CDMA network,

wherein the location information message includes PSC or Cell ID acquired from Event MR or Periodic MR sent from the MS to a sub-cell and then delivered to the RNC, and a moving distance measurement parameter acquired from UE Positioning MR sent from the MS to a sub-cell and then delivered to the RNC, and RTT sent to the RNC from a sub-cell in which the MS receives service during calling, and

wherein the measuring unit calculates a distance between Node_B s using Node_B latitude/longitude data, and calculates a moving distance and a speed of each measurement region by recognizing a current location of the MS using at least one selected from the RTT, PSC, Cell ID and UE Position, included in the location information message.

14. A traffic information analyzing device, interworking with a radio operating device in an asynchronous WCDMA network and provided to a traffic information measuring system for measuring traffic information by utilizing MS, the device comprising:

a message receiving unit for acquiring a location information message of MS, provided from RAN of the asynchronous WCDMA network and stored in the radio operating device;

a measuring unit for analyzing location information of the MS using the location information message, and calculating traffic information of the MS including a moving speed of each measurement region; and

an activation controlling unit for controlling the radio operating device so that a location information message collecting function is endowed to a specific sub-cell among sub-cells of the synchronous CDMA network and

a NMS interworking unit for acquiring Node_B latitude/longitude data, PSC information, antenna direction and relay latitude/longitude data by interworking with NMS,

wherein the measuring unit calculates a distance between Node_B s using the Node_B latitude/longitude data, and calculates a moving distance and a speed of each measurement region by recognizing a current location of the MS using at least one selected from the RTT, PSC, Cell ID and UE Position, included in the location information message.

15. The traffic information analyzing device according to claim 14, further comprising a mapping processing unit for mapping the calculated traffic information on a road map by interworking with a road map DB server.