Non-interference technique for spatially aware mobile ad hoc networking
First Claim
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1. A method for limiting interference in a mobile ad hoc network comprising:
- calculating, by a device, a ratio of an interference distance of a first device to a detection distance of the first device;
determining, by the device, a number of time slots based on the ratio;
assigning, by the device, a time interval to a first time slot of the number of time slots;
assigning, by the device, the first time slot to a first geographical area and a second geographical area, wherein;
the first device is located in the first geographical area and transmits only during the time interval; and
while the first device is located in the first geographical area, a second device located in the second geographical area is outside the interference distance of the first device.
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Abstract
A system and method for reducing interference between wireless terminals communicating in a mobile ad-hoc network (MANET). Interference is reduced by dividing the MANET into a number of geographical areas having a specific size and shape. Each geographical area is assigned a time slot during which wireless terminals located in the respective geographical area may transmit to other wireless terminals. The time slots are assigned such that geographical areas having the same time slot are far enough away from each other that wireless terminals located in such same time slot geographical areas are outside the interference range of each other.
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Citations
20 Claims
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1. A method for limiting interference in a mobile ad hoc network comprising:
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calculating, by a device, a ratio of an interference distance of a first device to a detection distance of the first device; determining, by the device, a number of time slots based on the ratio; assigning, by the device, a time interval to a first time slot of the number of time slots; assigning, by the device, the first time slot to a first geographical area and a second geographical area, wherein; the first device is located in the first geographical area and transmits only during the time interval; and while the first device is located in the first geographical area, a second device located in the second geographical area is outside the interference distance of the first device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A device for limiting interference in a mobile ad hoc network, the device comprising:
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a processor; and memory coupled to the processor, the memory comprising executable instructions that when executed by the processor cause the processor to effectuate operations comprising; determining a location of the device, the location being in a first geographical area; determining a set of time slots, wherein each time slot of the set of time slots is associated with a time interval; determining that, based on mapping information, a first time slot of the set of time slots that is assigned to the first geographical area; and transmitting during the time interval associated with the first time slot, wherein a second geographical area is assigned to the first time slot and a second device located in the second geographical area is outside an interference distance of the device, and a number of the set of time slots is based on a ratio of the interference distance to a detection distance of the device. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A method for limiting interference in a mobile ad hoc network comprising:
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determining, by a device, an interference distance of a device and a detection distance of the device; determining, by the device, a number of a set of time slots based on a ratio of the interference distance to the detection distance; defining, by the device, a plurality of geographical areas based on the detection distance of the device and the number of the set of time slots, the plurality of geographical areas comprising a first geographical area and a second geographical area adjacent to the first geographical area; and assigning, by the device, a first time slot of the set of time slots to the first geographical area and a second time slot of the set of time slots to the second geographical area, wherein a first time slot assigned to the first geographical area differs from a second time slot assigned to the second geographical area, and the device located in the first geographical area transmits only during a time interval associated with the time slot assigned to the first geographical area. - View Dependent Claims (17, 18, 19, 20)
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Specification