Time synchronization function rollover solution
First Claim
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1. An apparatus for wireless communications, comprising:
- a processing system configured to;
generate a time stamp comprising a first portion of a counter; and
generate a frame including a first field and a second field different from the first field, wherein the first field comprises the time stamp, wherein the second field comprises one or more bits associated with the first portion of the counter, wherein the second field comprises a Short Beacon Compatibility element carried in the frame, and wherein the Short Beacon Compatibility element comprises a Timing Synchronization Function (TSF) Completion field; and
an interface configured to output the frame for transmission to a receiving device.
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Abstract
Aspects of the present disclosure provide apparatus, methods, processing systems, and computer program products for time synchronization function (TSF) rollover solutions for short beacons. Aspects of the present disclosure provide an apparatus for wireless communications. The apparatus generally includes a processing system configured to generate a time stamp with a first value of a first portion of a counter and generate a frame including a first field with the time stamp and a second field having one or more bits with a second value of the first portion of the counter, and an interface configured to output the frame for transmission to a receiving device.
38 Citations
55 Claims
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1. An apparatus for wireless communications, comprising:
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a processing system configured to; generate a time stamp comprising a first portion of a counter; and generate a frame including a first field and a second field different from the first field, wherein the first field comprises the time stamp, wherein the second field comprises one or more bits associated with the first portion of the counter, wherein the second field comprises a Short Beacon Compatibility element carried in the frame, and wherein the Short Beacon Compatibility element comprises a Timing Synchronization Function (TSF) Completion field; and an interface configured to output the frame for transmission to a receiving device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for wireless communications, comprising:
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an interface configured to obtain a frame from a wireless node; and a processing system configured to; obtain, from the frame, a first field and a second field, wherein the first field comprises a time stamp having a first value of a first portion of a counter and wherein the second field comprises one or more bits having a second value of the first portion of the counter; compare the first value of the first portion of the counter to the second value of the first portion of the counter; determine, based on the comparison, whether the first value of the first portion of the counter has changed since the time stamp was obtained; and synchronize a timing between the apparatus and the wireless node based on the determination. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for wireless communications, comprising:
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generating a time stamp comprising a first portion of a counter; generating a frame including a first field and a second field different from the first field, wherein the first field comprises the time stamp, wherein the second field comprises one or more bits associated with the first portion of the counter, wherein the second field comprises a Short Beacon Compatibility element carried in the frame, and wherein the Short Beacon Compatibility element comprises a Timing Synchronization Function (TSF) Completion field; and outputting the frame for transmission to a receiving device. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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25. A method for wireless communications by an apparatus, comprising:
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obtaining a frame from a wireless node; obtaining, from the frame, a first field and a second field, wherein the first field comprises a time stamp having a first value of a first portion of a counter and wherein the second field comprises one or more bits having a second value of the first portion of the counter; comparing the first value of the first portion of the counter to the second value of the first portion of the counter; determining, based on the comparison, whether the first value of the first portion of the counter has changed since the time stamp was obtained; and synchronizing a timing between the apparatus and the wireless node based on the determination. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. An apparatus for wireless communications, comprising:
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means for generating a time stamp comprising a first portion of a counter; means for generating a frame including a first field and a second field different from the first field, wherein the first field comprises the time stamp, wherein the second field comprises one or more bits associated with the first portion of the counter, wherein the second field comprises a Short Beacon Compatibility element carried in the frame, and wherein the Short Beacon Compatibility element comprises a Timing Synchronization Function (TSF) Completion field; and means for outputting the frame for transmission to a receiving device. - View Dependent Claims (36, 37, 38, 39, 40, 41)
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42. An apparatus for wireless communications, comprising:
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means for obtaining a frame from a wireless node; means for obtaining, from the frame, a first field and a second field, wherein the first field comprises a time stamp having a first value of a first portion of a counter and wherein the second field comprises one or more bits having a second value of the first portion of the counter; means for comparing the first value of the first portion of the counter to the second value of the first portion of the counter; means for determining, based on the comparison, whether the first value of the first portion of the counter has changed since the time stamp was obtained; and means for synchronizing a timing between the apparatus and the wireless node based on the determination. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51)
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52. A non-transitory computer readable medium having instructions stored thereon for:
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generating a time stamp comprising a first portion of a counter; generating a frame including a first field and a second field different from the first field, wherein the first field comprises the time stamp, wherein the second field comprises one or more bits associated with the first portion of the counter, wherein the second field comprises a Short Beacon Compatibility element carried in the frame, and wherein the Short Beacon Compatibility element comprises a Timing Synchronization Function (TSF) Completion field; and outputting the frame for transmission to a receiving device.
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53. A non-transitory computer readable medium having instructions stored thereon for:
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obtaining a frame from a wireless node; obtaining, from the frame, a first field and a second field, wherein the first field comprises a time stamp having a first value of a first portion of a counter and wherein the second field comprises one or more bits having a second value of the first portion of the counter; comparing the first value of the first portion of the counter to the second value of the first portion of the counter; determining, based on the comparison, whether the first value of the first portion of the counter has changed since the time stamp was obtained; and synchronizing a timing between an apparatus receiving the frame and the wireless node based on the determination.
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54. An access point (AP), comprising:
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a processing system configured to generate a time stamp comprising a first portion of a counter and generate a frame including a first field and a second field different from the first field, wherein the first field comprises the time stamp, wherein the second field comprises one or more bits associated with the first portion of the counter, wherein the second field comprises a Short Beacon Compatibility element carried in the frame, and wherein the Short Beacon Compatibility element comprises a Timing Synchronization Function (TSF) Completion field; and a transmitter configured to transmit the frame.
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55. A station, comprising:
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a receiver configured to receive a frame from a wireless node; and a processing system configured to; obtain, from the frame, a first field and a second field, wherein the first field comprises a time stamp having a first value of a first portion of a counter and wherein the second field comprises one or more bits having a second value of the first portion of the counter; compare the first value of the first portion of the counter to the second value of the first portion of the counter; determine, based on the comparison, whether the first value of the first portion of the counter has changed since the time stamp was obtained; and synchronize a timing between the station and the wireless node based on the determination.
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Specification