Method and apparatus for maximizing network capacity of cell sites in a wireless network

• US 9,924,367 B2
• Filed: 12/30/2016
• Issued: 03/20/2018
• Est. Priority Date: 11/21/2013
• Status: Active Grant

• Current Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Kapnadak, Vibhav, Li, Zhi
• Primary Examiner(s): TRAN, CONGVAN
• Application Number:
  US15/395,788
• Publication Number:
  US 20170111800A1
• Time in Patent Office: 445 Days
• Field of Search: 455446, 455467, 455450, 4554221, 455424, 455453, 4554561
• CPC Class Codes: H04B 17/382 for resource allocation, admission control or handover
• CPC Class Codes: H04L 43/16 Threshold monitoring
• CPC Class Codes: H04W 16/10 Dynamic resource partitioning
• CPC Class Codes: H04W 16/18 Network planning tools
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 52/346 distributing total power among users or channels
• CPC Class Codes: H04W 52/367 Power values between minimum and maximum limits, e.g. dynamic range
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA

Abstract

A method, computer-readable storage device and an apparatus for maximizing the capacity of a wireless network across a geographical area are disclosed. For example, the method monitors the wireless network and gathering network information and user endpoint device information for a geographical area comprising a plurality of cells of the wireless network, processes, for each cell, the network information and the user endpoint device information that is gathered and generating a cell specific traffic pattern, determines whether the capacity is below a threshold, and increases the capacity of the geographical area in accordance with the network information and the user endpoint device information that is processed for each cell, and the cell specific traffic pattern that is generated for each cell, when the capacity is below the threshold.

Claims

1. A method for increasing a capacity across a geographical area of a wireless network, the method comprising:

monitoring, by a processor, the wireless network and gathering network information and user endpoint device information for a geographical area comprising a plurality of cells of the wireless network, wherein the network information comprises physical resource block utilization levels for each carrier frequency component that is available for each cell, wherein the physical resource block utilization levels for each carrier frequency component that is available for a particular cell are gathered from base stations associated with the particular cell;

processing, for each cell, by the processor, the network information and the user endpoint device information that is gathered and generating a cell specific traffic pattern;

determining, by the processor, whether the capacity is below a threshold; and

increasing, by the processor, the capacity of the geographical area in accordance with the network information and the user endpoint device information that is processed for each cell, and the cell specific traffic pattern that is generated for each cell, when the capacity is below the threshold.

2. The method of claim 1, wherein the network information further comprises a list of carrier frequency components that is available for each cell.

3. The method of claim 1, wherein the user endpoint device information comprises one or more of:

a location of each user endpoint device, channel state information, channel quality information, and application information.

4. The method of claim 1, wherein the processing the user endpoint device information, for a particular cell, comprises classifying each user endpoint device in a list of user endpoint devices associated with the particular cell as:

a cell interior user endpoint device, a cell edge user endpoint device, or an overshooting user endpoint device.

5. The method of claim 4, wherein for the processing the user endpoint device information, for the particular cell, further comprises removing a user endpoint device that is classified as an overshooting user endpoint device from the list of user endpoint devices associated with the particular cell.

6. The method of claim 1, wherein the processing the network information, for a particular cell, comprises identifying a hotspot located within the particular cell.

7. The method of claim 1, wherein the processing the network information, for a particular cell, comprises identifying a physical resource block of a carrier frequency component associated with an interference level above a predetermined threshold.

8. The method of claim 1, wherein the processing the user endpoint device information and the network information, for a particular cell, comprises generating the cell specific traffic pattern by correlating physical resource blocks of each carrier frequency component available for each cell to locations of user endpoint devices associated with the particular cell.

9. The method of claim 1, wherein the increasing the capacity for the geographical area comprises:

determining an optimal frequency reuse factor for each operating frequency, an optimal transmit power level for each user endpoint device, a list of optimal operating frequencies to be used in each cell of the geographical area, and an optimal assignment of a particular carrier frequency component to each user endpoint device.

10. A computer-readable storage device storing a plurality of instructions which, when executed by a processor, cause the processor to perform operations for increasing a capacity across a geographical area of a wireless network, the operations comprising:

monitoring the wireless network and gathering network information and user endpoint device information for a geographical area comprising a plurality of cells of the wireless network, wherein the network information comprises physical resource block utilization levels for each carrier frequency component that is available for each cell, wherein the physical resource block utilization levels for each carrier frequency component that is available for a particular cell are gathered from base stations associated with the particular cell;

processing, for each cell, the network information and the user endpoint device information that is gathered and generating a cell specific traffic pattern;

determining whether the capacity is below a threshold; and

increasing the capacity of the geographical area in accordance with the network information and the user endpoint device information that is processed for each cell, and the cell specific traffic pattern that is generated for each cell, when the capacity is below the threshold.

11. The computer-readable storage device of claim 10, wherein the network information further comprises a list of carrier frequency components that is available for each cell.

12. The computer-readable storage device of claim 10, wherein the user endpoint device information comprises one or more of:

a location of each user endpoint device, channel state information, channel quality information, and application information.

13. The computer-readable storage device of claim 10, wherein the processing the user endpoint device information, for a particular cell, comprises classifying each user endpoint device in a list of user endpoint devices associated with the particular cell as:

a cell interior user endpoint device, a cell edge user endpoint device, or an overshooting user endpoint device.

14. The computer-readable storage device of claim 13, wherein for the processing the user endpoint device information, for the particular cell, further comprises removing a user endpoint device that is classified as an overshooting user endpoint device from the list of user endpoint devices associated with the particular cell.

15. The computer-readable storage device of claim 10, wherein the processing the network information, for a particular cell, comprises identifying a hotspot located within the particular cell.

16. An apparatus for increasing a capacity across a geographical area of a wireless network, the apparatus comprising:

a processor; and

a computer-readable storage device storing a plurality of instructions which, when executed by the processor, cause the processor to perform operations, the operations comprising;

monitoring the wireless network and gathering network information and user endpoint device information for a geographical area comprising a plurality of cells of the wireless network, wherein the network information comprises physical resource block utilization levels for each carrier frequency component that is available for each cell, wherein the physical resource block utilization levels for each carrier frequency component that is available for a particular cell are gathered from base stations associated with the particular cell;

processing, for each cell, the network information and the user endpoint device information that is gathered and generating a cell specific traffic pattern;

determining whether the capacity is below a threshold; and

increasing the capacity of the geographical area in accordance with the network information and the user endpoint device information that is processed for each cell, and the cell specific traffic pattern that is generated for each cell, when the capacity is below the threshold.

17. The apparatus of claim 16, wherein the processing the network information, for a particular cell, comprises identifying a hotspot located within the particular cell.

18. The apparatus of claim 16, wherein the processing the network information, for a particular cell, comprises identifying a physical resource block of a carrier frequency component associated with an interference level above a predetermined threshold.

19. The apparatus of claim 16, wherein the processing the user endpoint device information and the network information, for a particular cell, comprises generating the cell specific traffic pattern by correlating physical resource blocks of each carrier frequency component available for each cell to locations of user endpoint devices associated with the particular cell.

20. The apparatus of claim 16, wherein the increasing the capacity for the geographical area comprises:

determining an optimal frequency reuse factor for each operating frequency, an optimal transmit power level for each user endpoint device, a list of optimal operating frequencies to be used in each cell of the geographical area, and an optimal assignment of a particular carrier frequency component to each user endpoint device.