Multi-dimensional adaptive transmission technique
First Claim
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1. A terminal device in a satellite-based communication system, comprising at least one processor and memory, wherein the terminal device is configured to:
- transmit a plurality of maintenance packets to a hub in the satellite-based communication system, at a first transmit power level;
receive one or more reply packets containing reception level measurements for one or more of the maintenance packets transmitted at the first transmit power level;
calculate an average reception level for the maintenance packets transmitted at the first transmit power level;
determine a satellite transmitter input power level; and
calculate a gain equivalent value based on the average reception level at the first transmit power level and the determined satellite transmitter input power level.
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Abstract
Method and apparatus for dynamically optimizing the transmission level of each remote terminal in a satellite-based communication network. Each remote terminal maintains quasi-error-free communication at the highest efficiency level available under changing link conditions and network configurations, without requiring the reservation of substantial power margins, which results in a much more efficient satellite network.
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Citations
14 Claims
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1. A terminal device in a satellite-based communication system, comprising at least one processor and memory, wherein the terminal device is configured to:
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transmit a plurality of maintenance packets to a hub in the satellite-based communication system, at a first transmit power level; receive one or more reply packets containing reception level measurements for one or more of the maintenance packets transmitted at the first transmit power level; calculate an average reception level for the maintenance packets transmitted at the first transmit power level; determine a satellite transmitter input power level; and calculate a gain equivalent value based on the average reception level at the first transmit power level and the determined satellite transmitter input power level. - View Dependent Claims (2, 3)
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4. A satellite-based communication system comprising:
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a hub configured to communicate via satellite with one or more remote terminals; and one or more remote terminals, each of said remote terminals is configured to; determine a maximal transmit power level for transmitting data to the hub; transmit one or more maintenance packets to the hub at a first transmit power level, wherein each said maintenance packet includes an information item containing a difference between the first transmit power level and the maximal transmit power for transmitting data to the hub. - View Dependent Claims (5, 6, 7, 8)
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9. A satellite-based communication system, comprising:
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one or more remote terminals and a hub, each of said remote terminals being configured to; transmit maintenance packets via satellite to the hub, and the hub being configured to; receive the maintenance packets transmitted by the one or more remote terminals; measure the reception level of the maintenance packets received from the one or more remote terminals; identify a plurality of different timeslot types in a return link of the satellite-based communication network, wherein each of the one or more remote terminals is associated with one or more of the different timeslot types; and based on the measured reception levels of the maintenance packets, configure communications with the one or more remote terminals such that each remote terminal is allocated to a timeslot type. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification