Methods and Apparatuses for Reducing Interference Using Frequency Division Multiple Access

• US 20090040979A1
• Filed: 10/02/2008
• Published: 02/12/2009
• Est. Priority Date: 10/17/2002
• Status: Active Grant

• Current Assignee: Alereon Incorporated (PNG Telecommunications, Inc.)
• Original Assignee: Alereon Incorporated (PNG Telecommunications, Inc.)
• Inventors: Gravenstein, Martin, Brethour, Vernon R.
• Granted Patent: US 7,764,929 B2
• Time in Patent Office: Days
• US Class Current: 370/329
• CPC Class Codes: H04B 1/719 Interference-related aspects
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks

Abstract

Methods, systems, and apparatuses are described which are capable of mitigating interference between piconets. Devices on a piconet may detect a certain degree of interference. When this interference is deemed as arising from another piconet, the first piconet may cease transmitting on a set of bands while the interfering piconet may continue to transmit on this set of bands. Furthermore, the interfering piconet may cease transmitting on another orthogonal set of bands within the frequency spectrum while the original piconet continues to utilize these bands. Transmission on these sets of bands may be resumed after a predetermined time period. In this manner interference between the two piconets may be minimized.

Claims

1. A method, comprising mitigating interference between piconets including:

detecting interference between a first piconet and a second piconet; and

ceasing transmission on a first set of bands wherein the first piconet ceases transmission by at least one of a plurality of devices on the first set of bands and the second piconet continues to utilize the first set of bands.