Dynamic TDD systems for 5G and beyond: A survey of cross-link interference mitigation

H Kim, J Kim, D Hong - IEEE Communications Surveys & …, 2020 - ieeexplore.ieee.org
Dynamic time division duplex (D-TDD) dynamically allocates the transmission directions for
traffic adaptation in each cell. D-TDD systems are receiving a lot of attention because they …

A decentralized cooperative uplink/downlink adaptation scheme for TDD small cell networks

AA Dowhuszko, O Tirkkonen… - 2013 IEEE 24th …, 2013 - ieeexplore.ieee.org
This paper presents a cooperative decentralized scheme for adjusting the Uplink (UL)-
Downlink (DL) configuration of a Small Cell Network (SCN) with a TDD air interface. The …

Planning 5G networks for rural fixed wireless access

A Lappalainen, Y Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We study the planning of a rural 5G multi-user massive MIMO fixed wireless access system
to offer fixed broadband service to homes. Specifically, we aim to determine the user limit, ie …

Energy optimization for bidirectional multimedia communication in unsynchronized TDD systems

N Zorba, C Verikoukis - IEEE Systems Journal, 2015 - ieeexplore.ieee.org
Energy efficiency is one of the main system resources that has to be optimally allocated, due
to its impact on the amount of generated interference and the battery life for multimedia …

Dynamic uplink/downlink configuration using Q-learning in femtocell networks

Y Wang, M Tao - 2014 IEEE/CIC international conference on …, 2014 - ieeexplore.ieee.org
With increasingly popular services containing asymmetric uplink (UL) and downlink (DL)
traffic, Time-Division Duplexing (TDD) shows more advantages than Frequency-Division …

On delay-aware joint uplink/downlink resource allocation in OFDMA networks

AM El-Hajj, Z Dawy - 2013 IEEE Symposium on Computers and …, 2013 - ieeexplore.ieee.org
The advancement of wireless communications standards and the introduction of new
services with tight bidirectional quality of service requirements necessitated the …

On probabilistic queue length based joint uplink/downlink resource allocation in OFDMA networks

AM El-Hajj, Z Dawy - 2012 19th International Conference on …, 2012 - ieeexplore.ieee.org
The emergence of state-of-the-art OFDMA-based wireless standards paved the way to new
services with bi-directional requirements. In this paper, we present a probabilistic channel …

Dynamic frame configuration in TD-LTE heterogeneous cellular networks

Z Yu, K Wang, H Ji, X Li, H Zhang - 2015 IEEE Globecom …, 2015 - ieeexplore.ieee.org
Configuring uplink-downlink frame structure has played an important role in TD-LTE
Heterogeneous Cellular Networks (HCNs), but how to dynamically choose the specific TD …

A modified joint uplink-downlink opportunistic scheduling for Quality of Service guarantees

N Zorba, E Yaacoub, AM El-Hajj… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
Quality of Service (QoS) is a very important metric in wireless communication systems,
where both Uplink (UL) and Downlink (DL) connections request strict QoS demands in terms …

Joint dynamic switching point configuration and resource allocation in TDD‐OFDMA networks: optimal formulation and suboptimal solution

AM El‐Hajj, Z Dawy - Transactions on Emerging …, 2016 - Wiley Online Library
With the large increase in data services with asymmetric traffic loads, the time division
duplexing (TDD) mode of operation of the next generation cellular wireless standards has …