Maximum transmission unit size selection for wireless data transfer
First Claim
1. A method, comprising:
- obtaining, by a user equipment comprising a processor, radio signal condition data representative of a condition of a radio signal;
determining, by the user equipment, an initial maximum transmission unit packet size based on the radio signal condition data, wherein the determining the initial maximum transmission unit packet size comprises using reference signal received power data and reference signal received quality data associated with the radio signal condition data to retrieve the initial maximum transmission unit packet size from a data store of predetermined initial maximum transmission unit packet sizes, and wherein the data store of predetermined initial maximum transmission unit packet sizes is populated based on selecting initial maximum transmission unit packet sizes for inclusion in the data store based on determining transmission control protocol IP packet retransmission rates and determining transmission control protocol session time out rates at a cell edge, as a function of respective received powers and respective received qualities, for respective reference signals of a group of candidate initial maximum transmission unit packet sizes; and
using, by the user equipment, the initial maximum transmission unit packet size as a selected maximum transmission unit packet size to transfer data between the user equipment and a network device.
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Accused Products
Abstract
The described technology is generally directed towards selecting, by user equipment, a selected maximum transmission unit (MTU) packet size for wireless data transfer based on radio signal conditions. In one aspect, reference signal received power (RSRP) and reference signal received quality (RSRQ) are used to select the MTU packet size, e.g., by using RSRP and RSRQ as indices to a lookup table of predetermined MTU packet sizes, such as previously determined by field testing. In general, smaller MTU packet sizes are used with poorer quality radio signal conditions. The selected MTU packet size may be increased or decreased based on actual performance data and/or based on changed radio signal conditions, such as for a subsequent data transfer session. The user equipment may comprise a Cat-M device that transfers data related to Machine-Type Communications (MTC)/Machine to Machine (M2M) communications.
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Citations
20 Claims
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1. A method, comprising:
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obtaining, by a user equipment comprising a processor, radio signal condition data representative of a condition of a radio signal; determining, by the user equipment, an initial maximum transmission unit packet size based on the radio signal condition data, wherein the determining the initial maximum transmission unit packet size comprises using reference signal received power data and reference signal received quality data associated with the radio signal condition data to retrieve the initial maximum transmission unit packet size from a data store of predetermined initial maximum transmission unit packet sizes, and wherein the data store of predetermined initial maximum transmission unit packet sizes is populated based on selecting initial maximum transmission unit packet sizes for inclusion in the data store based on determining transmission control protocol IP packet retransmission rates and determining transmission control protocol session time out rates at a cell edge, as a function of respective received powers and respective received qualities, for respective reference signals of a group of candidate initial maximum transmission unit packet sizes; and using, by the user equipment, the initial maximum transmission unit packet size as a selected maximum transmission unit packet size to transfer data between the user equipment and a network device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A radio user equipment device, comprising:
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a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, the operations comprising; measuring radio signal condition data representative of a condition of a radio signal; selecting an initial maximum transmission unit packet size based on the radio signal condition data as a selected maximum transmission unit packet size, wherein the selecting the initial maximum transmission unit packet size comprises using reference signal received power data and reference signal received quality data associated with the radio signal condition data to retrieve the initial maximum transmission unit packet size from a data store of predetermined initial maximum transmission unit packet sizes, and wherein the data store of predetermined initial maximum transmission unit packet sizes is populated based on selecting initial maximum transmission unit packet sizes for inclusion in the data store based on determining transmission control protocol IP packet retransmission rates and determining transmission control protocol session time out rates at a cell edge, as a function of respective received powers and respective received qualities, for respective reference signals of a group of candidate initial maximum transmission unit packet sizes; and transferring data between the radio user equipment device and a network device based on the selected maximum transmission unit packet size. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A non-transitory machine-readable storage medium, comprising executable instructions that, when executed by a processor of a user equipment, facilitate performance of operations, the operations comprising:
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selecting a selected maximum transmission unit packet size from a data store of predetermined maximum transmission unit packet sizes based on a reference signal received power and a reference signal received quality, wherein the data store of predetermined maximum transmission unit packet sizes is populated based on selecting maximum transmission unit packet sizes for inclusion in the data store based on determining transmission control protocol IP packet retransmission rates and determining transmission control protocol session time out rates at a cell edge, as a function of respective received powers and respective received qualities, for respective reference signals of a group of candidate maximum transmission unit packet sizes; and using the selected maximum transmission unit packet size, transferring data between the user equipment and a network device. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification