SYSTEM COORDINATED WLAN SCANNING

• US 20140313962A1
• Filed: 07/02/2014
• Published: 10/23/2014
• Est. Priority Date: 06/30/2005
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Technologies Oy (Nokia Corporation)
• Inventors: JAAKKOLA, Mikko
• Granted Patent: US 9,554,327 B2
• Time in Patent Office: Days
• US Class Current: 370/311
• 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 48/14 using user query or user detection
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 48/17 Selecting a data network PoA [Point of Attachment]
• CPC Class Codes: H04W 52/0258 controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

The invention proposes a scan control device, wherein in the scan operation a network detection is performed, the device comprising a request receiving means for receiving at least one request for providing scan information, and a scan control means for performing a scan operation independently from receiving the scan information requests. The invention also proposes a corresponding method and a computer program product.

Claims

1. A WLAN apparatus, comprising:

a processor in a WLAN host device; and

a memory in the WLAN host device including a computer program code and a plurality of applications seeking scan results,

the memory and the computer program code configured to, with the processor, cause the apparatus at least to

receive a plurality of requests from more than one application to provide scan information, and

receive a plurality of maximum latency values indicating maximum delay times by which a scan operation may be delayed,

perform the scan operation, wherein in the scan operation, a network detection is performed, and

wherein the scan operation is performed independently from receiving the plurality of requests from more than one application to provide the scan information such that the timing of performing the scan operation is independent from the timing of the requests and the scan operation is not performed every time one of the requests from more than one application is received, and

wherein an interval for performing the scan operation is based on a minimum value of the maximum latency values;

allow the multiple applications to register for delayed scan results as the scan requests for scan information,

send to the multiple applications the scan results based on a parameter included in the scan request, indicating the maximum latency value to execute the scan operation, and the memory and the computer program code are further configured to, with the processor, cause the WLAN apparatus at least to extract the maximum latency value from the request to provide scan information to each of the multiple applications simultaneously based on the parameter indicated in each individual scan request per the multiple applications.