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Bo Hagerman

Researcher at Ericsson

Publications -  148
Citations -  2683

Bo Hagerman is an academic researcher from Ericsson. The author has contributed to research in topics: Antenna (radio) & Telecommunications link. The author has an hindex of 27, co-authored 148 publications receiving 2680 citations.

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Patent

Network architecture, methods, and devices for a wireless communications network

Stefan Parkvall, +129 more
TL;DR: In this article, the uplink access configuration index is used to identify an uplink AP from among a predetermined plurality of AP configurations, and then the AP is transmitted to the wireless communications network according to the identified AP.
Patent

Method and system for determining the position of mobile radio terminals

TL;DR: In this article, a novel Time Difference of Arrival (TDOA) method is described for determining the position of a first mobile radio terminal (108) within an associated mobile radio system (100, 600 and 700), which is based on Time of Arrivals (TOA) measurements, including a plurality of radio base stations (BS1, BS2, BS3), measuring devices (130), network controller (110), and service node (103).
Patent

Performing Coordinated Multipoint Transmission and Reception (CoMP) in a Wireless Communication Network

TL;DR: In this paper, a method for use in a network node for coordinating data transmission to user equipments in a wireless communication network, wherein the wireless communication networks comprising at least two access nodes each access node having one or more antennas and being arranged to perform coordinated data transmissions to user equipment, is provided.
Patent

Using beamforming and closed loop transmit diversity in a multi-beam antenna system

TL;DR: In this paper, a multi-beam antenna system for downlink wireless communication, beamforming and closed loop transmit diversity signaling are combined, and each beam signal is adjusted at the transmitter based on feedback from a wireless mobile communication station such that the signals received at the wireless mobile communications station can be coherently combined.
Patent

Directional-beam generative apparatus and associated method

TL;DR: In this article, the effectuation of communications between the radio communication station (18, f1) and the remote stations (24, 26, 28) responsive to indications of locations at which the remote communication stations are indicated to be positioned within a selected area are allocated to channels formed upon a single carrier.