# US 9,439,215 B2 · Method for setting operating channel in white space band and device therefor

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- Number: US 9,439,215 B2
- Document ID: US9439215B2
- Status: Granted
- Kind: B2
- Application number: 14/390,090
- Filed: 2013-03-27
- Published: 2015-03-05
- Granted: 2016-09-06
- Earliest claimed: 2012-04-03
- Assignees: LG Electronics Inc.
- Applicants: LG Electronics Inc.
- Inventors: Wookbong Lee; Suhwook Kim; Jimsam Kwak
- Web page: https://patentgrep.com/patent/US9439215B2

## CPC

- H04W 74/002: {Transmission of channel access control information}
- H04W 16/14: Spectrum sharing arrangements {between different networks}
- H04W 72/02: Selection of wireless resources by user or terminal
- H04W 84/12: WLAN [Wireless Local Area Networks]
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

Provided are a method and a device for setting an operating channel in a white space band. A method of setting an operating channel in a white space band by a device includes: receiving, by the device, a White Space Map including information on an available TV channel and an offset value in the available TV channel, and setting, by the device, the operating channel based upon the information of the available TV channel and the offset value from the available TV channel, wherein the offset value indicates a shifted amount of a center frequency of the operating channel from the center frequency of the available TV channel.

## Claims

### Claim 1

A method of a device for setting an operating channel in a white space band, the method comprising:
receiving, by the device, a White Space Map including information on an available TV channel and an offset value from the available TV channel; and
setting, by the device, the operating channel based upon the information of the available TV channel and the offset value from the available TV channel,
wherein the offset value indicates a shifted amount of a center frequency of the operating channel from a center frequency of the available TV channel.

### Claim 2 (depends on 1)

The method of claim 1, wherein the shifted amount is decided in basic frequency units as a multiple of the offset value.

### Claim 3 (depends on 2)

The method of claim 2, wherein the basic frequency unit is decided as a bandwidth of the TV channel and a minimum frequency bandwidth supported by the operating channel.

### Claim 4 (depends on 2)

The method of claim 2, wherein the basic frequency unit is decided as (N−B)/2, where N represents a bandwidth of the TV channel, and B corresponds to a minimum frequency bandwidth supported by an operating channel.

### Claim 5 (depends on 1)

The method of claim 1, wherein partial bits of a bit sequence representing information on the available TV channel indicates the offset value.

### Claim 6

A device setting an operating channel in a white space band, the device comprising:
a RF (Radio Frequency) transceiver configured to transmit and receive a radio signal; and
a processor configured to:
control the RF transceiver;
receive a White Space Map including information on an available TV channel and an offset value from the available TV channel; and
set the operating channel based upon the information of the available TV channel and the offset value from the available TV channel,
wherein the offset value indicates a shifted amount of a center frequency of the operating channel from a center frequency of the available TV channel.

### Claim 7 (depends on 6)

The device of claim 6, wherein the shifted amount is decided in basic frequency units as a multiple of the offset value.

### Claim 8 (depends on 7)

The device of claim 7, wherein the basic frequency unit is decided as a bandwidth of the TV channel and a minimum frequency bandwidth supported by the operating channel.

### Claim 9 (depends on 7)

The device of claim 7, wherein the basic frequency unit is decided as (N−B)/2, where N represents a bandwidth of the TV channel, and B corresponds to a minimum frequency bandwidth supported by an operating channel.

### Claim 10 (depends on 6)

The device of claim 6, wherein partial bits of a bit sequence representing information on the available TV channel indicates the offset value.