Optimum frame size predictor for wireless Local Area Network
Assignee3Com Corporation
InventorsSong Ci, Hamid Sharif, Albert Young
Life of this patent
Estimating the term…
Abstract
The present invention relates to a method for predicting an optimum transmission frame size in a wireless computer network. The method comprises assessing transmission channel quality in the network, calculating an optimum length for the transmission frame, adjusting the length of the transmission frame to the predicted optimum length, transmitting the frame at its adjusted length and assessing the quality of the transmission of the frame. Prediction of the optimum frame size employs a Kalman filter which employs the parameters of bit error rate and random processing noise in the calculation of the predicted optimum frame length.
Claims20
In a computer network, a method for predicting an optimum transmission frame length, comprising:
- assessing transmission channel quality in said computer network, said assessing comprising;
- obtaining a bit error rate for a previous transmission;
- and
- obtaining an optimum frame length for said previous transmission;
- calculating an optimum length for said transmission frame, said calculating comprising;
- measuring a new bit error rate;
- and
- obtaining an assessed random processing noise;
- adjusting the length of said transmission frame, said adjusting predicated on said bit error rate and said optimum frame length for said previous transmission and said new bit error rate and said assessed random processing noise;
- transmitting said transmission frame of said adjusted length;
- and
- assessing the quality of said transmission of said transmission frame, wherein said transmission channel quality is assessed recursively using a Kalman filter.
A system for optimizing transmission frame size in a network, comprising:
- a network comprising one or more computers and one or more wireless communication devices;
- wireless communication communicatively connecting said computers and said wireless communication devices in said network wherein said wireless communication transmits data using data transmission frames;
- and
- a transmission device enabled to adjust the length of said transmission frames based on a method comprising:
- assessing transmission channel quality in said computer network, said calculating comprising;
- measuring a new bit error rate;
- and
- obtaining an assessed random processing noise;
- calculating an optimum length for said transmission frame, said calculating comprising;
- measuring a new bit error rate;
- and
- obtaining an assessed random processing noise;
- adjusting the length of said transmission frame, said adjusting predicated on said bit error rate and said optimum frame length for said previous transmission and said new bit error rate and said assessed random processing noise;
- transmitting said transmission frame of said adjusted length;
- and
- assessing the quality of said transmission of said transmission frame,
- wherein said transmission channel quality is assessed recursively using a Kalman filter.
A data transmission frame for network communication comprising:
- a header section comprising one or more fields of header data;
- a data field sequentially coupled with said header section and having a length capable of adjustment;
- and
- an error checking field sequentially coupled with said data field and said header section, wherein said data field is adjusted to an optimum length for transmission using a method comprising:
- assessing transmission channel quality in said computer network, said assessing comprising;
- obtaining a bit error rate for a previous transmission;
- and
- obtaining an optimum frame length for said previous transmission;
- calculating an optimum length for said transmission frame, said calculating comprising;
- measuring a new bit error rate;
- and
- obtaining an assessed random processing noise;
- adjusting the length of said transmission frame, said adjusting predicated on said bit error rate and said optimum frame length for said previous transmission and said new bit error rate and said assessed random processing noise;
- transmitting said transmission frame of said adjusted length;
- and
- assessing the quality of said transmission of said transmission frame, wherein said transmission channel quality is assessed recursively using a Kalman filter.
Dependencies are inferred from the claim text.