FREQUENCY BAND DETERMINATION METHOD IN COEXISTENCE SCHEME

• US 20140066086A1
• Filed: 07/29/2011
• Published: 03/06/2014
• Est. Priority Date: 05/11/2011
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Jo, Junho, Kim, Suhwook, Kim, Bonghoe
• Granted Patent: US 9,161,235 B2
• Time in Patent Office: Days
• US Class Current: 455/454
• CPC Class Codes: H04L 27/0006 Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio for spectrum sharing between different networks H04W16/14
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 48/14 using user query or user detection
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA

Abstract

According to one embodiment of the present invention, provided is a frequency band (FB) determination method of a wireless access device which provides an access point to enable one or more terminals to wirelessly access a network. The method may comprise the steps of receiving database-related information from database servers which have database related to unused FBs of a television broadcasting band (TVBB), determining a database server to be accessed among the database servers on the basis of the database-related information, requesting the determined database server and receiving information on available FBs, and determining FBs, among the received operating FBs, for the one or more terminals. The operating FBs are determined by the database server so that the wireless access device can coexist with a neighboring homogeneous or heterogeneous wireless access device without mutual interference within the TVBB.

Claims

1. A frequency band determination method of a wireless access device which provides an access point to enable one or more user equipments to wirelessly access a network, the frequency band determination method comprising the steps of:

receiving database-related information from a plurality of database servers which have databases related to idle frequency bands of a television broadcasting band;

determining a database server to be accessed among the plurality of database servers on the basis of the database-related information;

requesting the determined database server to receive information on one or more available frequency bands; and

determining one or more frequency bands, among the received one or more available frequency bands, for the one or more user equipment,

wherein the one or more available frequency bands are determined by the database server so that the wireless access device can coexist with a neighboring homogeneous or heterogeneous wireless access device without mutual interference within the television broadcasting band.

2. The frequency band determination method according to claim 1, wherein the database related information includes one or more of index of the database, billing information, and geo-location resolution information.

3. The frequency band determination method according to claim 1, wherein the step of requesting the determined database server includes transmitting one or more of the geo-location information of the access device and information on the radio access technology.

4. The frequency band determination method according to claim 1, further comprising the step of transmitting information on the radio access device from the radio access device to the plurality of database servers, wherein the received database information is generated from the plurality of database servers on the basis of the transmitted information.

5. The frequency band determination method according to claim 1, further comprising the steps of transmitting a control signal, which includes the database related information, to the one or more user equipments, and receiving a request message from the one or more user equipments, wherein the determined database server is determined on the basis of the received request message.

6. The frequency band determination method according to claim 5, wherein the control signal is a beacon message.

7. A radio access device configured to provide an access point to enable one or more user equipments to wirelessly access a network, the radio access device comprising:

a transceiver; and

a controller configured to control the transceiver,

wherein the controller receives database-related information from a plurality of database servers which have databases related to idle frequency bands of a television broadcasting band, determines a database server to be accessed among the plurality of database servers on the basis of the database-related information, requests the determined database server to receive information on one or more available frequency bands, and determines one or more frequency bands, among the received one or more available frequency bands, for the one or more user equipment, the one or more available frequency bands being determined by the database server so that the wireless access device can coexist with a neighboring homogeneous or heterogeneous wireless access device without mutual interference within the television broadcasting band.

8. The radio access device according to claim 7, wherein the database related information includes one or more of index of the database, billing information, and geo-location resolution information.

9. The radio access device according to claim 7, wherein the controller transmits one or more of the geo-location information of the access device and information on the radio access technology when requesting the determined database.

10. The radio access device according to claim 7, wherein the controller further transmits information on the radio access device to the plurality of database servers, wherein the received database information is generated from the plurality of database servers on the basis of the transmitted information.

11. The radio access device according to claim 7, wherein the controller further transmits a control signal, which includes the database related information, to the one or more user equipments and receives a request message from the one or more user equipments, and the determined database server being determined on the basis of the received request message.

12. The radio access device according to claim 11, wherein the control signal is a beacon message.