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US 6,697,633 B1Granted
Method permitting increased frequency re-use in a communication network, by recovery of transmitted information from multiple cochannel signals
AssigneeNorthrop Grummar Corporation
InventorsMithat Can Dogan, Stephen Deane Stearns
Life of this patent
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Abstract
A method for use in a communication network having multiple users and limited bandwidth, wherein up to N users are allocated to the same frequency band at the same time, and the method provides for processing signals received at an M-element antenna array, using a cumulant-based signal recovery system to separate and recover the signals transmitted by the respective users.
Claims3
For use in a communication network having multiple users and limited bandwidth, a method for increasing the capacity of the communication system, comprising the steps of:
- allocating up to N users the same bandwidth sharing parameter, such that the up to N users share the same frequency at the same time;
- receiving signals from up to N users at an M-element antenna array;
- and
- processing the received signals transmitted by the respective users, wherein the step of processing separates and recovers the signals transmitted by the respective users directly from the received signals and without use of array manifold data.
1 more element
Dependencies are inferred from the claim text.