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Limited Feedback Hybrid Precoding for Multi-User Millimeter Wave Systems
Ahmed Alkhateeb, Geert Leus, Robert W. Heath
Antenna arrays will be an important ingredient in millimeter wave (mmWave) cellular systems. A natural application of antenna arrays is simultaneous transmission to multiple users.…
Cramer Rao Lower Bound for Underwater Range Estimation with Noisy Sound Speed Profile
Hamid Ramezani, Raj Thilak Rajan, Geert Leus
In this paper, the Cramer Rao bound (CRB) for range estimation between two underwater nodes is calculated under a Gaussian noise assumption on the measurements. The nodes can measu…
Collision Tolerant Packet Scheduling for Underwater Acoustic Localization
Hamid Ramezani, Fatemeh Fazel, Milica Stojanovic +1
This article considers the joint problem of packet scheduling and self-localization in an underwater acoustic sensor network where sensor nodes are distributed randomly in an opera…
Channel Estimation and Hybrid Precoding for Millimeter Wave Cellular Systems
Ahmed Alkhateeb, Omar El Ayach, Geert Leus +1
Millimeter wave (mmWave) cellular systems will enable gigabit-per-second data rates thanks to the large bandwidth available at mmWave frequencies. To realize sufficient link margin…