Apostolos Kakaes

Ph.D. ·

vienna, Virginia

Telecommunications

Electrical Engineering

All aspects of fixed and mobile communications

LTE/LTE-Advanced and evolution issues of 3G to 4G and 5G

UMTS, including FDD, TDD, HSDPA/HSUPA, HSPA+, both air interface (UTRA) and Radio Access Network (RAN) as well as Core Network (CN) technologies

GSM, GPRS, EDGE (EGPRS) and related evolutionary problems and solutions

cdma2000 family from IS-95, through its evolution to 1x, 3x, 1xEV-DO (HDR), 1xED-DV (all aspects of the evolution to "3G" and beyond)

Wired and Wireless Local Area Networks (LAN) including all variants of IEEE 802.11 (WiFi)

Metropolitan Area Networks (MAN), and Personal Area Networks (PAN) technologies, Paging networks, Ad hoc networks, including IEEE 802.16 (WiMAX), HIPERLAN, Bluetooth, Near Field Communications, IrDA (Infrared Data Association) operating with any of the available access technologies

North American TDMA and IS-54/IS-136

View all (16)

IMS, SIP, and VolP (Voice over IP), including VolP over LTE

TETRA

iDEN™

Core Network technologies, IS-41, SS7, ATM, MAP, SAE, etc.

Design and implementation of voice and data networking (circuit switching as well as all the evolving all IP-based technologies)

Traffic engineering and network design; both air interface aspects (including resource allocation, QoS, MAC protocol, etc.) and design of core network, both user plane and control plane

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