Výsledky vyhľadávania - "Schrammar, Nicolas"

Transmission Strategies for Wireless Relay Networks Obtained from Linear Finite-Field Deterministic Models Autor Schrammar, Nicolas, Skoglund, Mikael

“…In this paper we show how the recently proposed linear finite-field deterministic model (LFFM) can be used to design transmission strategies for the…”
Získať plný text

Approximate Secrecy Capacity of Gaussian Parallel Relay Networks Autor Schrammar, Nicolas, Skoglund, Mikael

“…We consider a Gaussian relay network, which has to protect the message from a powerful eavesdropper, which has the possibility of listening to the transmitted…”
Získať plný text

On the Optimization of the Secondary Transmitter's Strategy in Cognitive Radio Channels with Secrecy Autor Gabry, Frederic, Nan Li, Schrammar, Nicolas, Girnyk, Maksym, Rasmussen, Lars K., Skoglund, Mikael

“…This paper investigates cooperation for secrecy in cognitive radio networks. In particular, we consider a four-node cognitive scenario where the secondary…”
Získať plný text

New Achievable Rates for Gaussian Partially Cognitive Interference Channels With Multiple Cognitive Pairs Autor Schrammar, Nicolas, Skoglund, Mikael, Chao Wang, Kildehoj Rasmussen, Lars

“…This paper characterizes achievable rate regions for the Gaussian partially cognitive interference channel with multiple cognitive pairs (K-PCIFC), where the…”
Získať plný text

Experimental evaluation of advanced beam tracking with CSI acquisition for 5G radio access Autor Tateishi, Kiichi, Kurita, Daisuke, Harada, Atsushi, Kishiyama, Yoshihisa, Itoh, Shoji, Murai, Hideshi, Schrammar, Nicolas, Simonsson, Arne, Okvist, Peter

“…This paper presents indoor and outdoor experimental results on 4-by-8 single-user (SU)-multiple-input multiple-output (MIMO) multiplexing based on 730.5 MHz…”
Získať plný text

Uncoded transmission in wireless relay networks using deterministic modeling Autor Schrammar, Nicolas, Skoglund, Mikael

“…We show how communication in the recently proposed deterministic finite field model can be translated into a transmission in the corresponding Gaussian model,…”
Získať plný text

Approximating the capacity of wireless multiple unicast networks by discrete superposition model Autor Schrammar, N., Skoglund, M.

“…The discrete superposition model (DSM) is intended to approximate the capacity region of AWGN networks. Finding the capacity region in the DSM is simpler due…”
Získať plný text

Capacity bounds for the discrete superposition model of the Gaussian multiple-access channel Autor Schrammar, N, Skoglund, M

“…Recently, it has been shown that the capacity of certain Gaussian networks can be approximated by the capacity of the corresponding network in the discrete…”
Získať plný text

On the discrete superposition model of partially cognitive interference channels Autor Schrammar, Nicolas, Wang, Chao, Rasmussen, Lars. K., Skoglund, Mikael

“…We find an achievable rate region for the partially cognitive interference channel in the weak interference regime, where the cognitive transmitter learns the…”
Získať plný text

Cooperation for secure broadcasting in cognitive radio networks Autor Gabry, F., Schrammar, N., Girnyk, M., Nan Li, Thobaben, R., Rasmussen, L. K.

“…This paper explores the trade-off between cooperation and secrecy in cognitive radio networks. We consider a scenario consisting of a primary and a secondary…”
Získať plný text

Fair user selection for zero-forcing precoding in multi-user MISO systems Autor Schrammar, Nicolas, Hoeher, Peter A

“…We analyze a multi-user MISO system employing zero-forcing precoding and user scheduling with an adjustable amount of fairness at the transmitter. The system…”
Získať plný text

Feasibility assessment to realise vehicle teleoperation using cellular networks Autor Inam, Rafia, Schrammar, Nicolas, Wang, Keven, Karapantelakis, Athanasios, Mokrushin, Leonid, Feljan, Aneta Vulgarakis, Fersman, Elena

“…Future cellular networks (5G) will be used for a diversity of use cases. Transportation is one domain where cellular networks can play a significant role not…”
Získať plný text

Transmission Strategies for Gaussian Relay Networks Obtained from Deterministic Models Autor Schrammar, N, Skoglund, M

“…A constant gap between the deterministic model of a class of a wireless relay network and its Gaussian model counterpart is derived. The method is constructive…”
Získať plný text

Experimental Realisation of 3 × 3 MIMO System with Mode Group Diversity Multiplexing Limited by Modal Noise Autor Schollmann, Stefan, Schrammar, Nicolas, Rosenkranz, Werner

“…We show experimentally the feasibility of a 3×3 MIMO system based on Mode Group Diversity Multiplexing over GI-MMF. The main limiting effect of modal noise is…”
Získať plný text

Approximate capacity of the general gaussian parallel relay network Autor Schrammar, N., Andersson, M., Skoglund, M.

“…We approximate the capacity of the Gaussian parallel relay network with general channel gains. Our strategy is to find capacity approximations for the…”
Získať plný text

Average throughput in AWGN cognitive fading interference channel with multiple secondary pairs Autor Schrammar, N., Farhadi, H., Rasmussen, L. K., Skoglund, M.

“…We consider the additive white Gaussian noise (AWGN) cognitive fading interference channel consisting of one primary and multiple secondary…”
Získať plný text

On performance trade-offs in cognitive networks Autor Stathakis, E, Schrammar, N, Rasmussen, L K, Skoglund, M

“…In this paper we employ the recently proposed deterministic framework (Avestimehr et al.) to model and analyze cognitive networks. Despite its simplicity, this…”
Získať plný text