Frequency reuse efficiency via interference avoidance for multi-beam satellite communications network
First Claim
1. A high capacity communications system, the system comprising:
- a transmitter comprisinga signal generator to generate a signal comprising, wherein for a first frame portion extending from zero to τ
time the signal is generated per a first color reuse plan of a frequency spectrum and one or more polarizations, and for a second frame portion extending from τ
to T the signal is generated per a second color reuse plan of the frequency spectrum and the one or more polarizations; and
an RF system to beam the signal concurrently to a first geographic area and a second geographic areas,whereinτ
is less than T,the first frame portion is intended for a first VSAT population disposed in the first geographic coverage area and the second frame portion is intended for a second VSAT population disposed in the second geographic coverage area, andthe first color reuse plan maps the frequency spectrum and the one or more polarizations into fewer colors than the second color reuse plan.
2 Assignments
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Accused Products
Abstract
A high capacity communication system and method, and a high capacity communications configuration system are provided. The high capacity communication system includes a transmitter. The transmitter includes a signal generator to generate a signal including, wherein for a first frame portion extending from zero to τ time the signal is generated per a first color reuse plan of a frequency spectrum and one or more polarizations, and for a second frame portion extending from τ to T the signal is generated per a second color reuse plan of the frequency spectrum and the one or more polarizations; and an RF system to beam the signal concurrently to a first geographic area and a second geographic area. In the high capacity communication system, τ is less than T, the first frame portion is intended for a first VSAT population disposed in the first geographic coverage area and the second frame portion is intended for a second VSAT population disposed in the second geographic coverage area, and the first color reuse plan maps the frequency spectrum and the one or more polarizations into fewer colors than the second color reuse plan.
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Citations
27 Claims
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1. A high capacity communications system, the system comprising:
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a transmitter comprising a signal generator to generate a signal comprising, wherein for a first frame portion extending from zero to τ
time the signal is generated per a first color reuse plan of a frequency spectrum and one or more polarizations, and for a second frame portion extending from τ
to T the signal is generated per a second color reuse plan of the frequency spectrum and the one or more polarizations; andan RF system to beam the signal concurrently to a first geographic area and a second geographic areas, wherein τ
is less than T,the first frame portion is intended for a first VSAT population disposed in the first geographic coverage area and the second frame portion is intended for a second VSAT population disposed in the second geographic coverage area, and the first color reuse plan maps the frequency spectrum and the one or more polarizations into fewer colors than the second color reuse plan. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A multi-beam high capacity communications system covering a geographic coverage area divided into a target cell comprising an inner sub-cell and an outer sub-cell, and nearby cells, the system comprising:
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a transmitter comprising a first signal generator to generate a target signal intended for the target cell, wherein, for a first frame portion extending from zero to τ
time the target signal is generated per a first color reuse plan of a frequency spectrum and one or more polarizations, and for a second frame portion extending from τ
to T the target signal is generated per a second color reuse plan of the frequency spectrum and the one or more polarizations;a second signal generator to generate nearby signals intended for a corresponding one of the nearby cells, each of the nearby signals comprising the frequency spectrum and the one or more polarizations; and a Radio Frequency (RF) system to concurrently focus the target signal as a target beam on the target cell and each of the nearby signals as nearby beams on the corresponding nearby cell, wherein τ
is less than T,the first frame portion is intended for a first VSAT population disposed in the inner sub-cell and the second frame portion is intended for a second VSAT population disposed in the outer sub-cell, and the first color reuse plan maps the frequency spectrum and the one or more polarizations into fewer colors than the second color reuse plan. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for communicating in a multi-beam high capacity communications system covering a geographic coverage area divided into a target cell comprising an inner sub-cell and an outer sub-cell, and nearby cells, the method comprising:
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generating a target signal intended for the target cell, wherein, for a first frame portion extending from zero to τ
time the target signal is generated per a first color reuse plan of a frequency spectrum and one or more polarizations, and for a second frame portion extending from τ
to T the target signal is generated per a second color reuse plan of the frequency spectrum and the one or more polarizations;generating nearby signals intended for a corresponding one of the nearby cells, each of the nearby signals comprising the frequency spectrum and the one or more polarizations; and concurrently beaming the target signal as a target beam on the target cell and each of the nearby signals as nearby beams on the corresponding nearby cell, wherein τ
is less than T,the first frame portion is intended for a first VSAT population disposed in the inner sub-cell and the second frame portion is intended for a second VSAT population disposed in the outer sub-cell, and the first color reuse plan maps the frequency spectrum and the one or more polarizations into fewer colors than the second color reuse plan. - View Dependent Claims (21, 22, 23)
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24. A high capacity communications configuration system to configure a high attitude platform or satellite focused on a geographic coverage area divided into a target cell comprising an inner sub-cell and an outer sub-cell, and nearby cells, the system comprising:
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a first frequency reuse plan of a frequency spectrum and one or more polarizations for generating a first frame portion of a signal extending from zero to τ
time, wherein the first frame portion is to be transmitted to a first VSAT population disposed in the inner sub-cell;a second frequency reuse plan of the frequency spectrum and the one or more polarizations for generating a second frame portion extending from τ
to T, wherein the second frame portion is to be transmitted to a second VSAT population disposed in the outer sub-cell; anda system configuration manager to determine a size and disposition of the target cell and each of the nearby cells, and to determine a size and disposition of the inner sub-cell and the outer sub-cell, wherein T is a duration of a frame comprising the first frame portion and the second portion, τ
is less than T, andthe first color reuse plan maps the frequency spectrum and the one or more polarizations into fewer colors than the second color reuse plan. - View Dependent Claims (25, 26, 27)
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Specification