# US 2014/0155080 A1 · Resource management in a wireless communications network

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- Number: US 2014/0155080 A1
- Document ID: US20140155080A1
- Status: Published application
- Kind: A1
- Application number: 13/691,495
- Filed: 2012-11-30
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Assignees: AT&T Mobility II LLC
- Applicants: At&T Mobility II LLC
- Inventors: Mark Austin; Kurt Huber
- Web page: https://patentgrep.com/patent/US20140155080A1

## CPC

- H04W 28/086: among access entities
- H04L 47/125: by balancing the load, e.g. traffic engineering
- H04W 36/22: for handling the traffic
- H04W 72/52: based on load
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

Detection of an unbalanced network load and redistribution of network traffic to balance the network load is provided herein. Load balancing across different radios in the same sector of a cell site can be facilitated through detection of the unbalance network load and changes to one or more parameters can be made to rebalance the network load. After radios within a sector are more evenly balanced, network load balancing across sectors can be facilitated. The balancing can be performed to improve system performance, reduce a dropped call rate, as well as to achieve other benefits that can provide an improved user experience as compared to systems that do not attempt to balance the network load.

## Claims

### Claim 1

A system comprising:
a memory to store computer-executable instructions; and
a processor, communicatively coupled to the memory, that facilitates execution of the computer-executable instructions to perform operations, comprising:
evaluating distribution of a resource between a first radio and a second radio within a sector;
determining the resource is distributed unevenly according to a criterion, wherein the first radio comprises a higher distribution of the resource than the second radio;
balancing the resource among the first radio and the second radio within the sector including balancing according to the criterion to more evenly distribute the resource between the first radio and the second radio.

### Claim 2 (depends on 1)

The system of claim 1, wherein the resource is a voice capability, and the evaluating comprises evaluating the distribution of the voice capability between the first radio and the second radio within the sector.

### Claim 3 (depends on 1)

The system of claim 1, wherein the resource is a data capability and the evaluating comprises evaluating the distribution of the data capability between the first radio and the second radio within the sector.

### Claim 4 (depends on 1)

The system of claim 1, wherein the evaluating comprises evaluating Wi-Fi network usage and cellular network usage within the sector.

### Claim 5 (depends on 1)

The system of claim 1, wherein the operations further comprise receiving data representing an identification of the resource.

### Claim 6 (depends on 1)

The system of claim 1, wherein the balancing comprises:
identifying respective operation modes of user devices using the first radio or the second radio; and
distributing the user devices between the first radio and the second radio based on the respective operation modes of the user devices.

### Claim 7 (depends on 6)

The system of claim 6, wherein the distributing comprises:
moving idle mode user devices from the first radio to the second radio.

### Claim 8 (depends on 6)

The system of claim 6, wherein the distributing comprises:
moving active mode user devices from the first radio to the second radio.

### Claim 9 (depends on 6)

The system of claim 6, wherein the distributing comprises:
allowing other access user devices utilization in the sector, wherein the other access user devices are connected to the second radio.

### Claim 10 (depends on 1)

The system of claim 1, wherein the operations further comprise:
determining an average capacity for the first radio and the second radio;
determining a first capacity difference from the average capacity for the first radio and a second capacity difference from the average capacity for the second radio; and
changing a parameter using predefined increments to level a network traffic load between the first radio and the second radio based on the first capacity difference and the second capacity difference.

### Claim 11 (depends on 1)

The system of claim 1, wherein the resource is a network load and the operations further comprise:
reevaluating the distribution of the network load between the sector and an adjacent sector, wherein the sector is determined to have a larger network load compared to the adjacent sector, and
moving network traffic from the sector to the adjacent sector to balance the network load between the sector and the adjacent sector.

### Claim 12

A method, comprising:
evaluating, by a system comprising a processor, a distribution of a resource of interest on radios located in a single sector;
determining, by the system, a first radio of the radios located in the single sector is handling more network traffic than a second radio of the radios located in the single sector; and
directing, by the system, a first set of network traffic from the first radio to the second radio.

### Claim 13 (depends on 12)

The method of claim 12, further comprising:
reevaluating, by the system, the distribution of the resource of interest between the first radio and the second radio;
determining, by the system, the first radio is handling more network traffic than the second radio; and
directing, by the system, a second set of network traffic from the first radio to the second radio.

### Claim 14 (depends on 12)

The method of claim 12, wherein the directing comprises adjusting an offset value representing an offset between the first radio and the second radio.

### Claim 15 (depends on 12)

The method of claim 12, wherein the determining comprises evaluating a distribution of a voice capability and a distribution of a data capability between the radios located in the single sector.

### Claim 16 (depends on 12)

The method of claim 12, wherein the determining comprises evaluating Wi-Fi network usage and cellular network usage within the single sector.

### Claim 17 (depends on 12)

The method of claim 12, further comprising:
evaluating, by the system, distribution of a traffic load between the single sector and an adjacent sector, wherein the single sector is determined to have a larger traffic load compared to the adjacent sector, and
moving, by the system, network traffic from the single sector to the adjacent sector to balance the traffic load between the single sector and the adjacent sector.

### Claim 18

A tangible computer-readable medium storing computer-executable instructions that, in response to execution, cause a system including a processor to perform operations, comprising:
determining an average capacity for a first radio in a sector and a second radio in the sector;
determining a first capacity difference from the average capacity for the first radio and a second capacity difference from the average capacity for the second radio; and
changing a first parameter between the first radio and the second radio to level a traffic load between the first radio and the second radio, wherein the traffic load is determined to be level when the first capacity difference and the second capacity difference are nearly equal.

### Claim 19 (depends on 18)

The tangible computer-readable medium of claim 18, wherein the operations further comprise:
determining that the traffic load between the first radio and the second radio is not nearly equal; and
changing the first parameter or a second parameter to level the traffic load between the first radio and the second radio.

### Claim 20 (depends on 18)

The tangible computer-readable medium of claim 18, wherein the operations further comprise:
estimating a network traffic overlap between the sector and an adjacent sector; and
re-routing network traffic from the sector to the adjacent sector, wherein a first traffic load of the sector is heavier than a second traffic load of the adjacent sector.
