System, method and article for adaptive framing for tdma mac protocols
AssigneeSTMicroelectronics S.r.l.
InventorsLuca Casone, Danilo Blasi, Andrea Piglione, Emile Saccani
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Abstract
A device includes an interface and Time Division Multiple Access (TDMA) Medium Access Control (MAC) circuitry coupled to the interface. The TDMA MAC circuitry detects a beacon in a frame having a defined frame duration and determines a frame compensation value based on a start time of the frame, a reference start time of the frame, and a number of elapsed frames. A current frame duration value is determined based on the frame compensation value and the defined frame duration.
Claims17
A device, comprising:
- means for receiving a data stream of a network;
- means for detecting a beacon packet in a frame of the data stream, wherein a frame is a period of time having a defined frame duration;
- means for determining a frame compensation value based on a start time of the frame, a reference start time of the frame, and a number of elapsed frames;
- and
- means for determining a current frame duration value based on the determined frame compensation value and the defined frame duration.
An integrated circuit having circuitry, which, in operation, manages a Time Division Multiple Access (TDMA) Medium Access Control (MAC) process, the process comprising:
- detecting a beacon packet in a frame of a network data stream, wherein a frame is a period of time having a defined frame duration;
- determining a frame compensation value based on a start time of the frame, a reference start time of the frame, and a number of elapsed frames;
- and
- determining a current frame duration value based on the determined frame compensation value and the defined frame duration.
A device, comprising:
- a physical layer circuit, which, in operation, receives a data stream of a network and extracts a beacon protocol data unit (PDU) from a frame in the data stream, wherein a frame is a period of time having a defined duration;
- and
- Time Division Multiple Access (TDMA) Medium Access Control (MAC) circuitry, coupled to the physical layer circuit, wherein the TDMA MAC circuitry includes:
- a PDU decoder, which, in operation, decodes the beacon PDU extracted by the physical layer circuit;
- a beacon receiving circuit, coupled to the PDU decoder, and which, in operation, determines a reception time of the frame including the beacon PDU;
- an adaptive framing circuit, coupled to the beacon receiving circuit, and which, in operation, determines a frame compensation value based on the reception time of the frame, a reference reception time of the frame, and a number of elapsed frames;
- and
- a framing circuit, coupled to the adaptive framing circuit, and which, in operation, determines a current frame duration value based on the determined frame compensation value and the defined frame duration.
Dependencies are inferred from the claim text.