METHODS AND APPARATUS FOR USING MULTIPLE FREQUENCY BANDS FOR COMMUNICATION
First Claim
1. A method of operating a first communications device comprising:
- establishing, during a first time interval, a communications link between said first communications device and a second communications device using a first frequency band;
communicating data between said first communications device and said second communications device using a second frequency band in a second time interval following said first time interval, said first and second frequency bands being non-overlapping frequency bands; and
communicating a control signal between said first communications device and said second communications device using said first frequency band during said second time interval.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods and apparatus for using different frequency bands are described. In some embodiments a first frequency band which is a licensed spectrum frequency band is used for peer discovery, device authentication, session establishment between peer devices and/or supporting an ongoing communications through control signaling. When available, a second frequency band, e.g., an unlicensed public frequency band is used for communicating data while the communications session is maintained using one or more control signals communicated in the first frequency band. Data and control signaling may be performed on a time division basis during a time period in which data is communicated.
-
Citations
30 Claims
-
1. A method of operating a first communications device comprising:
-
establishing, during a first time interval, a communications link between said first communications device and a second communications device using a first frequency band; communicating data between said first communications device and said second communications device using a second frequency band in a second time interval following said first time interval, said first and second frequency bands being non-overlapping frequency bands; and communicating a control signal between said first communications device and said second communications device using said first frequency band during said second time interval. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A first communications device comprising:
-
a link establishment module configured to establish, during a first time interval, a communications link with a second communications device using a first frequency band; a data communications module configured to control said first communications device to communicate data between said first communications device and said second communications device using a second frequency band in a second time interval following said first time interval, said first and second frequency bands being non-overlapping frequency bands; and a control signal communications module configured to control said first communications device to communicate a control signal between said first communications device and said second communications device using said first frequency band during said second time interval. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
-
23. A first communications device comprising:
-
means for establishing, during a first time interval, a communications link with a second communications device using a first frequency band; means for controlling said first communications device to communicate data between said first communications device and said second communications device using a second frequency band in a second time interval following said first time interval, said first and second frequency bands being non-overlapping frequency bands; and means for controlling said first communications device to communicate a control signal between said first communications device and said second communications device using said first frequency band during said second time interval. - View Dependent Claims (24, 25, 26, 27)
-
-
28. A computer program product for use in a first communications device, the computer program product comprising:
-
a computer readable medium comprising; code for causing a computer to control said first communications device to establish, during a first time interval, a communications link between said first communications device and a second communications device using a first frequency band; code for causing a computer to communicate data between said first communications device and said second communications device using a second frequency band in a second time interval following said first time interval, said first and second frequency bands being non-overlapping frequency bands; and code for causing a computer to cause a control signal to be communicated between said first communications device and said second communications device using said first frequency band during said second time interval. - View Dependent Claims (29, 30)
-
Specification