METHOD AND APPARATUS FOR PRESENTING INDOOR TRAFFIC MAP

• US 20140363156A1
• Filed: 08/22/2014
• Published: 12/11/2014
• Est. Priority Date: 02/24/2012
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: GONG, Lanping, ZHANG, Qiaoming, CHEN, Xufeng, WANG, Bo, SUN, Haiyang
• Granted Patent: US 9,693,246 B2
• Time in Patent Office: Days
• US Class Current: 398/25
• CPC Class Codes: H04W 16/20 for indoor coverage or short range network deployment
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 4/02 Services making use of location information
• CPC Class Codes: H04W 4/029 Location-based management or tracking services
• CPC Class Codes: H04W 4/33 for indoor environments, e.g. buildings

Abstract

Embodiments of the present invention relate to a method and an apparatus for presenting an indoor traffic map. The method includes: sending, by a near-end unit of an indoor distribution system, a pseudo carrier to a polled remote unit according to a pre-established polling routing table; receiving operating data collected by the remote unit and a measurement report reported by the terminal; determining traffic map data of the polled remote unit; determining whether the traffic map data meets a traffic map presenting condition, and presenting an indoor traffic map when the traffic map presenting condition is met. In the present invention, remote units are polled sequentially by using a pseudo carrier and a polling routing table, operating data of the remote unit and a measurement report of the terminal are obtained as traffic map data, to perform representation of a traffic map.

Claims

1. A method for presenting an indoor traffic map, wherein the method comprises:

sending, by a near-end unit of an indoor distribution system, a pseudo carrier to a polled remote unit according to a pre-established polling routing table, so that the remote unit sends the pseudo carrier to a terminal;

receiving operating data collected by the remote unit and a measurement report reported by the terminal, wherein the measurement report comprises information of the pseudo carrier;

determining traffic map data of the polled remote unit according to the measurement report or the collected operating data; and

determining whether the traffic map data meets a traffic map presenting condition, and presenting an indoor traffic map when the traffic map presenting condition is met.

2. The method for presenting an indoor traffic map according to claim 1, wherein before the determining whether the traffic map data meets a traffic map presenting condition, the method further comprises:

determining location information of the terminal in a coverage range of the remote unit according to the information of the pseudo carrier and terminal received field strength information comprised in the measurement report; and

the determining whether the traffic map data meets a traffic map presenting condition, and presenting an indoor traffic map when the traffic map presenting condition is met comprise;

determining whether the traffic map data meets a traffic map presenting condition, and when the traffic map presenting condition is met, presenting the indoor traffic map according to the location information of the terminal in the coverage range of the remote unit.

3. The method for presenting an indoor traffic map according to claim 1, wherein

the measurement report is reported by the terminal to a base station, and sent by the base station to the near-end unit.

4. The method for presenting an indoor traffic map according to claim 1, wherein the sending, by a near-end unit, a pseudo carrier to a polled remote unit comprises:

delivering, by the near-end unit, the pseudo carrier to the polled remote unit through a carrier channel between the near-end unit and the remote unit;

or

delivering, by the near-end unit, the pseudo carrier to the polled remote unit through a carrier channel between the near-end unit, an expansion unit, and the remote unit.

5. The method for presenting an indoor traffic map according to claim 1, wherein the traffic map data is received field strength size information of the remote unit and uplink spectrum data of the remote unit in the operating data, and the determining whether the traffic map data meets a traffic map presenting condition, and presenting an indoor traffic map when the traffic map presenting condition is met comprise:

determining whether the received field strength size information of the remote unit is higher than a set threshold;

determining whether the uplink spectrum data of the remote unit is higher than a spectrum data threshold; and

if both are higher, an uplink interference determining condition in the traffic map presenting condition is met, and presenting an uplink interference indoor traffic map according to a mapping relationship, in the polling routing table, between a remote unit identity and a location.

6. The method for presenting an indoor traffic map according to claim 1, wherein the traffic map data is neighboring cell pilot signal strength in the measurement report, and the determining whether the traffic map data meets a traffic map presenting condition, and presenting an indoor traffic map when the traffic map presenting condition is met comprise:

determining whether the neighboring cell pilot signal strength of each terminal in a coverage range of the remote unit exceeds a set threshold;

determining whether the number of neighboring cell pilot signals with strength exceeding the threshold exceeds a set number; and

if the number of neighboring cell pilot signals with strength exceeding the threshold exceeds the set number, a signal leaking determining condition in the traffic map presenting condition is met, and presenting a signal leaking indoor traffic map according to a mapping relationship, in the polling routing table, between a remote unit identity and a location.

7. The method for presenting an indoor traffic map according to claim 2, wherein the traffic map data is terminal received field strength information and terminal signal quality information in the measurement report, and the determining whether the traffic map data meets a traffic map presenting condition, and when the traffic map presenting condition is met, presenting the indoor traffic map according to the location information of the terminal in the coverage range of the remote unit comprise:

determining whether the terminal received field strength information of each terminal in the coverage range of the remote unit is lower than a grid field strength key performance indicator KPI value;

determining whether the terminal signal quality information of each terminal in the coverage range of the remote unit is lower than a set level; and

if both are lower, a weak-coverage determining condition in the traffic map presenting condition is met, and presenting a weak-coverage indoor traffic map according to the location information of the terminal in the coverage range of the remote unit.

8. The method for presenting an indoor traffic map according to claim 7, wherein the key performance indicator KPI value is obtained by calculation according to an indoor coverage propagation model and walk test data correction, or is a preset KPI value.

9. The method for presenting an indoor traffic map according to claim 2, wherein the traffic map data is a link-establishing traffic data statistic obtained by calculating a traffic volume of the terminal obtained according to a terminal identity and the information of the pseudo carrier in the measurement report;

and

the determining whether the traffic map data meets a traffic map presenting condition, and when the traffic map presenting condition is met, presenting the indoor traffic map according to the location information of the terminal in the coverage range of the remote unit comprise;

determining whether the link-establishing traffic data statistic exceeds a set threshold; and

if the link-establishing traffic data statistic exceeds the set threshold, a traffic alarm determining condition in the traffic map presenting condition is met, and presenting a traffic alarm indoor traffic map according to the location information of the terminal in the coverage range of the remote unit.

10. The method for presenting an indoor traffic map according to claim 2, wherein the traffic map data is neighboring base stationpilot signal size information and terminal signal quality in the measurement report;

and

the determining whether the traffic map data meets a traffic map presenting condition, and when the traffic map presenting condition is met, presenting the indoor traffic map according to the location information of the terminal in the coverage range of the remote unit comprise;

determining whether a difference between a neighboring base stationpilot signal size of each terminal in the coverage range of the remote unit and a dominant pilot signal size is lower than a set threshold;

determining whether the terminal signal quality of each terminal in the coverage range of the remote unit is lower than a set level; and

if both are lower, a pilot pollution determining condition in the traffic map presenting condition is met, and presenting a pilot pollution indoor traffic map according to the location information of the terminal in the coverage range of the remote unit.

11. An apparatus for presenting an indoor traffic map, wherein the apparatus comprises:

a sending unit, configured to send a pseudo carrier to a polled remote unit according to a pre-established polling routing table, so that the remote unit sends the pseudo carrier to a terminal;

a receiving unit, configured to receive operating data collected by the remote unit and a measurement report reported by the terminal, wherein the measurement report comprises information of the pseudo carrier;

a determining unit, configured to determine traffic map data of the polled remote unit according to the measurement report or the collected operating data; and

a presenting unit, configured to determine whether the traffic map data meets a traffic map presenting condition, and present an indoor traffic map when the traffic map presenting condition is met.

12. The apparatus for presenting an indoor traffic map according to claim 11, wherein the determining unit is further configured to:

determine location information of the terminal in a coverage range of the remote unit according to the information of the pseudo carrier comprised in the measurement report; and

the presenting unit is further configured to determine whether the traffic map data meets a traffic map presenting condition, and when the traffic map presenting condition is met, present the indoor traffic map according to the location information of the terminal in the coverage range of the remote unit.

13. The apparatus for presenting an indoor traffic map according to claim 11, wherein the sending unit is further configured to deliver the pseudo carrier to the polled remote unit through a carrier channel between the near-end unit and the remote unit;

or, the near-end unit is further configured to deliver the pseudo carrier to the polled remote unit through a carrier channel between the near-end unit, an expansion unit, and the remote unit.

14. The apparatus for presenting an indoor traffic map according to claim 11, wherein the traffic map data is received field strength size information of the remote unit and uplink spectrum data of the remote unit in the operating data;

and

the presenting unit is further configured to determine whether the received field strength size information of the remote unit is higher than a set threshold;

determine whether the uplink spectrum data of the remote unit is higher than a spectrum data threshold; and

if both are higher, an uplink interference determining condition in the traffic map presenting condition is met, and present an uplink interference indoor traffic map according to a mapping relationship, in the polling routing table, between a remote unit identity and a location.

15. The apparatus for presenting an indoor traffic map according to claim 11, wherein the traffic map data is neighboring cell pilot signal strength in the measurement report;

and

the presenting unit is further configured to determine whether the neighboring cell pilot signal strength of each terminal in a coverage range of the remote unit exceeds a set threshold;

determine whether the number of the neighboring cell pilot signals with strength exceeding the threshold exceeds a set number; and

if the number of the neighboring cell pilot signals with strength exceeding the threshold exceeds the set number, a signal leaking determining condition in the traffic map presenting condition is met, and present a signal leaking indoor traffic map according to a mapping relationship, in the polling routing table, between a remote unit identity and a location.

16. The apparatus for presenting an indoor traffic map according to claim 12, wherein the traffic map data is terminal received field strength information and terminal signal quality information in the measurement report;

and

the presenting unit is further configured to determine whether the terminal received field strength information of each terminal in the coverage range of the remote unit is lower than a grid field strength key performance indicator KPI value;

determine whether the terminal signal quality information of each terminal in the coverage range of the remote unit is lower than a set level; and

if both are lower, a weak-coverage determining condition in the traffic map presenting condition is met, and present a weak-coverage indoor traffic map according to the location information of the terminal in the coverage range of the remote unit.

17. The apparatus for presenting an indoor traffic map according to claim 12, wherein the traffic map data is a link-establishing traffic data statistic obtained by calculating a traffic volume of the terminal obtained according to a terminal identity in the measurement report;

and

the presenting unit is further configured to determine whether the link-establishing traffic data statistic exceeds a set threshold; and

if the link-establishing traffic data statistic exceeds the set threshold, a traffic alarm determining condition in the traffic map presenting condition is met, and present a traffic alarm indoor traffic map according to the location information of the terminal in the coverage range of the remote unit.

18. The apparatus for presenting an indoor traffic map according to claim 12, wherein the traffic map data is neighboring base stationpilot signal size information and terminal signal quality in the measurement report;

and

the presenting unit is further configured to determine whether a difference between a neighboring base stationpilot signal size of each terminal in the coverage range of the remote unit and a dominant pilot signal size is lower than a set threshold and whether the terminal signal quality of each terminal in the coverage range of the remote unit is lower than a set level; and

if both are lower, a pilot pollution determining condition in the traffic map presenting condition is met, and present a pilot pollution indoor traffic map according to the location information of the terminal in the coverage range of the remote unit.