Mitigation of interference from a mobile relay node to heterogeneous networks
First Claim
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1. A method, stored in a memory and executing on a processor, for mitigating interference associated with transmissions on radio access links and wireless backhaul links of mobile relay nodes, said method comprising:
- applying fractional frequency reuse between the radio access links and the wireless backhaul links associated with said mobile relay nodes; and
applying power controlled targeted beamforming to the wireless backhaul links associated with the mobile relay nodes.
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Abstract
Devices, systems and methods for mitigating the interference introduced by mobile relay nodes in a heterogeneous network are described. The techniques described apply fractional frequency reuse and power controlled beamforming to mitigate such interference.
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Citations
29 Claims
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1. A method, stored in a memory and executing on a processor, for mitigating interference associated with transmissions on radio access links and wireless backhaul links of mobile relay nodes, said method comprising:
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applying fractional frequency reuse between the radio access links and the wireless backhaul links associated with said mobile relay nodes; and applying power controlled targeted beamforming to the wireless backhaul links associated with the mobile relay nodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A node usable in a radio communication system which mitigates interference associated with transmissions on radio access links and wireless backhaul links, said node comprising:
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a processor and transceiver which are configured to apply fractional frequency reuse between the radio access links and the wireless backhaul links associated with mobile relay nodes, and wherein said processor and transceiver are further configured to apply power controlled targeted beamforming to the wireless backhaul links associated with the mobile relay nodes. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. A mobile wireless relay node comprising:
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a housing configured to be mounted on a movable platform; at least one transceiver configured to transmit and receive radio signals (a) to and from a donor macro base station over a wireless backhaul link and (b) to and from at least one user equipment over a radio access link; and wherein the at least one transceiver is further configured to apply fractional frequency reuse to the transmission and reception of radio signals associated with the wireless backhaul link. - View Dependent Claims (29)
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Specification