A low-complexity LDPC decoding algorithm for hierarchical broadcasting: design and implementation

Z Hu, H Liu - IEEE transactions on vehicular technology, 2012‏ - ieeexplore.ieee.org
In this paper, we present a structure-based decoding algorithm for the hierarchical
broadcasting systems. Unlike the traditional hierarchical demodulation approaches that …

[PDF][PDF] Combating interference: MU-MIMO, CoMP, and HetNet

L Liu, Jianzhong (Charlie) Zhang, Y Yi, H Li, J Zhang - J. Commun., 2012‏ - jocm.us
Combating interference is one of the most outstanding challenges in wireless
communication networks, especially for cellular networks with frequency reuse one. This …

Transmission schemes for multicarrier broadcast and unicast hybrid systems

H Li, B Liu, H Liu - IEEE Transactions on Wireless …, 2008‏ - ieeexplore.ieee.org
Wireless infrastructures can be conveniently categorized into two types: those that provide
point-to-point dasiaunicastpsila connectivity (eg, cellular) and others that are …

Energy efficiency of hybrid cellular with heterogeneous QoS provisions

G Ru, H Li, L Liu, Z Hu, Y Gan - IEEE communications letters, 2014‏ - ieeexplore.ieee.org
In this letter, we consider a hybrid broadcast and unicast cellular network (hybrid cellular for
short) with heterogeneous quality of service (QoS) constraints in the low-power regime. In …

Structure-based decoding for hierarchically modulated, LDPC coded signals

Z Hu, H Liu - 2012 IEEE Global Communications Conference …, 2012‏ - ieeexplore.ieee.org
In this paper, we present a structured LDPC decoding algorithm for hierarchical QAM
modulation systems. Unlike the traditional hierarchical demodulation approaches which …

Flow-level performance of proportional fairness with hierarchical modulation in OFDMA-based networks

A Jdidi, T Chahed - Computer Networks, 2011‏ - Elsevier
Proportional Fairness (PF) is known to achieve a good trade-off between efficiency and
fairness by an opportunistic allocation of resources to users with good radio conditions …

On the coexistence of primary and secondary users in spectrum-sharing broadcast channels

Y Yang, S Aïssa - 2013 IEEE International Conference on …, 2013‏ - ieeexplore.ieee.org
In this paper, we consider a broadcast channel in spectrum-sharing networks, where the
base station schedules licensed primary users (PUs) and cognitive secondary users (SUs) …

Optimal interference pre-cancellation order in DPC-based broadcast and unicast hybrid network

H Li, S Liu, MS Gudaitis - 2013 47th Annual Conference on …, 2013‏ - ieeexplore.ieee.org
It is well known that the Dirty Paper Coding (DPC) achieves the channel capacity for
multiuser degraded channels. However, the optimality of DPC remains unknown for …

Impact of hierarchical modulation on proportional fair in OFDMA-based networks

A Jdidi, T Chahed - The Second International Conference on …, 2010‏ - ieeexplore.ieee.org
Proportional Fair (PF) algorithm is known to achieve a good trade-off between efficiency and
fairness by allocation opportunistically resources to users with good radio conditions …

Tomlinson–Harashima precoding for transmitter‐side inter‐symbol interference cancellation in PSK modulation

S Sheikhzadeh, AR Forouzan… - IET …, 2019‏ - Wiley Online Library
Dirty paper coding (DPC) is a non‐linear transmit scheme in presence of known
interference, which is capacity achieving. Unfortunately, the implementation complexity of …