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Wideband PHY/MAC bandwidth aggregation optimization for cognitive radios

Yang Li, Sudharman K. Jayaweera, Christos G. Christodoulou
2012 2012 3rd International Workshop on Cognitive Information Processing (CIP)  
objective is the communication throughput of the mobile cognitive radio device and the other one is energy consumption of the device.  ...  The optimal BAG strategy is solved using a combination of the Hungarian algorithm and convex optimization.  ...  Clearly, PHY/MAC cross-layer designs and optimization techniques are needed to better coordinate between these layers.  ... 
doi:10.1109/cip.2012.6232935 dblp:conf/cogip/LiJC12 fatcat:wairae3b2vbkfphjj5d7zbildm

Resource Management in Future Millimeter Wave Small-Cell Networks: Joint PHY-MAC Layer Design

Jia Shi, Haris Pervaiz, Pei Xiao, Wei Liang, Zan Li, Zhiguo Ding
2019 IEEE Access  
The novel resource management approach for the joint PHY-MAC layer design is proposed to find the trade-off among hardware cost of the mmWave antenna, beamforming overhead, and efficiency of the new resource  ...  This paper addresses the key functions and discusses the challenges for PHY layer and MAC layer design in mmWave small-cell networks, including mmWave antenna design, beamforming, initial access, radio  ...  PROPOSED JOINT PHY-MAC LAYER RESOURCE MANAGEMENT SCHEME To tackle the problem of (1), we propose an efficient low-complexity joint layer resource management scheme.  ... 
doi:10.1109/access.2019.2920745 fatcat:5wd6br3gdbca7g2zt5lisafz6q

Joint PHY/MAC based link adaptation for wireless LANs with multipath fading

S. Choudhury, J.D. Gibson
2006 IEEE Wireless Communications and Networking Conference, 2006. WCNC 2006.  
We investigate the effect of payload size variations on single-user throughput for both non-fading and multipath fading environments.  ...  Thus, a cross-layer based design approach along with link adaptation is required to improve the network performance under different channel conditions.  ...  The cross-layer design approach is based on a joint PHY-MAC based link adaptation scheme where the parameters adapted are payload size of the transmitted packet and the PHY data rate based on current channel  ... 
doi:10.1109/wcnc.2006.1683564 dblp:conf/wcnc/ChoudhuryG06 fatcat:e4juorct2bbajjmlh4qk2ftnba

Impact of IEEE 802.11n/ac PHY/MAC High Throughput Enhancements over Transport/Application Layer Protocols - A Survey [article]

Raja Karmakar and Sandip Chakraborty and Samiran Chattopadhyay
2017 arXiv   pre-print
In this survey, we discuss the impact of enhancements of PHY/MAC layer in HT-WLANs over transport/application layer protocols. list down different open challenges that can be explored for the development  ...  As a consequence, a large number of schools have focused researches on HT-WLANs to improve the coordination among PHY/MAC and upper layer protocols and thus, boost up the performance benefit.  ...  IEEE 802.11n 1) New design param- eter set for wireless mesh network, 2) Se- lects link with sufficient throughput 1) Selection of different enhanced PHY/MAC features are not mentioned, 2)  ... 
arXiv:1702.03257v1 fatcat:tzujjllqszbcpcj336ykjspco4

Investigation of PHY, MAC and APP Layers for Adaptive and Cross-Layer Optimization in IEEE802.11 WLAN

Mirghiasaldin Seyedebrahimi, Xiao-Hong Peng
2010 2010 10th IEEE International Conference on Computer and Information Technology  
The results obtained could form a basis to suggest independent optimization in each layer (an adaptive approach) or optimization of a set of parameters from different layers (a cross-layer approach).  ...  Throughput and delay (latency) of packet transmission are the quantities of our assessments.  ...  mmunication in a e of MAC packets Fig. 11 shows the for three different ows a considerable large packet sizes TABLE IV EFFECTS IV AND DEPENDENCY OF PHY, MAC AND APP LAYERS' PARAMETERS (*) has  ... 
doi:10.1109/cit.2010.437 dblp:conf/IEEEcit/SeyedebrahimiP10 fatcat:vj2qf3a5rbdwlb2f5apfb4itli

A joint PHY/MAC architecture for low-radiated power TH-UWB wireless ad hoc networks

Ruben Merz, Jörg Widmer, Jean-Yves Le Boudec, Božidar Radunović
2005 Wireless Communications and Mobile Computing  
While most protocols manage interference and multiple-access through power control or mutual exclusion (CSMA/CA or TDMA), we base our design on rate control, a relatively unexplored dimension for multiple-access  ...  We show by simulation that we achieve a significant increase in network throughput.  ...  Conclusion We have presented a joint PHY/MAC architecture for very low power UWB.  ... 
doi:10.1002/wcm.313 fatcat:ic53f2uwgfdq7m5tazhvfbbpue

Analysis of routing overhead in route discovery based on PHY, MAC in noisy MANETs

Haitham Y. Adarbah, Scott Linfoot
2013 2013 IEEE Third International Conference on Consumer Electronics ¿ Berlin (ICCE-Berlin)  
Ns-2 simulation results show that the proposed CAPB scheme outperforms the other schemes in terms of routing overhead, average end-to-end delay, throughput and energy consumption. 4 Publications 1.  ...  To achieve this, three investigations have been carried out: First, the effect of carrier sensing ranges on on-demand routing protocol such as AODV and their impact on interference; second, effects of  ...  As an alternative, L2 and L1 can be treated as a single layer, and thereby it is possible to construct a joint protocol for this "super layer".  ... 
doi:10.1109/icce-berlin.2013.6698031 dblp:conf/icce-berlin/AdarbahL13 fatcat:s763s742sbca3ptpil7ehlbcve

Channel Aware Distributed Scheduling for Exploiting Multi-Receiver Diversity and Multiuser Diversity in Ad-Hoc Networks: A Unified PHY/MAC Approach

D. Zheng, M. Cao, J. Zhang, P. R. Kumar
2008 IEEE INFOCOM 2008 - The 27th Conference on Computer Communications  
in a joint manner.  ...  Clearly, further probing increases the likelihood of seeing better channel conditions for exploiting diversities, but at the cost of additional time.  ...  This research is supported in part by Office of Naval Research through the grant N00014-05-1-0636 and National Science Foundation through the grants ANI-0238550 and CNS-0721820.  ... 
doi:10.1109/infocom.2008.204 dblp:conf/infocom/ZhengCZK08 fatcat:7byiblgcfzddnke7q2gb4cyali

Channel Aware Distributed Scheduling for Exploiting Multi-Receiver Diversity and Multiuser Diversity in Ad-Hoc Networks: A Unified PHY/MAC Approach

D. Zheng, M. Cao, J. Zhang, P. R. Kumar
2008 2008 Proceedings IEEE INFOCOM - The 27th Conference on Computer Communications  
in a joint manner.  ...  Clearly, further probing increases the likelihood of seeing better channel conditions for exploiting diversities, but at the cost of additional time.  ...  This research is supported in part by Office of Naval Research through the grant N00014-05-1-0636 and National Science Foundation through the grants ANI-0238550 and CNS-0721820.  ... 
doi:10.1109/infocom.2007.204 fatcat:kc3cayjtrbhh5dmabfudxi4xwm

Joint Design and Separation Principle for Opportunistic Spectrum Access in the Presence of Sensing Errors

Yunxia Chen, Qing Zhao, Ananthram Swami
2008 IEEE Transactions on Information Theory  
We formulate the joint PHY-MAC design of OSA as a constrained partially observable Markov decision process (POMDP).  ...  By exploiting the rich structure of the underlying problem, we establish a separation principle for the joint design of OSA.  ...  A heuristic approach to the joint PHY-MAC design of OSA is proposed in [20] .  ... 
doi:10.1109/tit.2008.920248 fatcat:7ennga7bkje4bip7ztxxkut34q

Joint-Design of Link-Adaptive Modulation and Coding with Adaptive ARQ for Cooperative Amplify and Forward Relaying System

Bhuvan Modi, Olabiyi O, Annamalai A
2016 International Journal of Computer Networks & Communications  
PHY/MAC design or optimization to cooperative diversity systems; (ii) generalization/unification of analytical expressions for various network performance metrics to generalized block fading channels  ...  Particularly, we generalize the existing design model/results for cross-layer combining of AMC along with truncated ARQ in non-cooperative diversity networks in three-folds: (i) extension of the cross-layer  ...  (i) extension of the existing cross-layer PHY/MAC design with noncooperative model to cooperative diversity model; (ii) generalization/unification of mathematical expressions for various network performance  ... 
doi:10.5121/ijcnc.2016.8314 fatcat:qxutotdshva2lh5f5iprg4rrny

Enabling Accurate Cross-Layer PHY/MAC/NET Simulation Studies of Vehicular Communication Networks

Jens Mittag, Stylianos Papanastasiou, Hannes Hartenstein, Erik G. Strom
2011 Proceedings of the IEEE  
This approach aims to bridge the gap between the physical and the network layer perspectives, allow for more accurate channel and physical layer models, and enable studies on cross-layer optimization.  ...  Vehicle-to-vehicle and vehicle-to-roadside communications is required for numerous applications that aim at improving traffic safety and efficiency.  ...  Our implementation is available online [39] and enables accurate cross-layer PHY/MAC/NET simulation studies for vehicular communication networks by the research community.  ... 
doi:10.1109/jproc.2010.2103291 fatcat:7emeaphuvbehncnwuyp22jfblq

Joint physical-MAC Layer design of the broadcast protocol in ad hoc networks

2005 IEEE Journal on Selected Areas in Communications  
Guidelines for the design of this set are derived for a low impact on the network performance and the receiver complexity.  ...  In this paper, it is shown that a higher capacity to exchange information among neighbors may be obtained through a physical-MAC cross-layer design of the broadcast protocol exploiting signal separation  ...  CONCLUSION In this paper, we have investigated the benefits of a PHY-MAC cross-layer design based on retransmission combining for broadcast-based procedures in ad hoc networking, where nodes are assumed  ... 
doi:10.1109/jsac.2004.837346 fatcat:kmzsucf4nvbrdda3m6e5blsmei

Dedicated networks for IoT: PHY / MAC state of the art and challenges

C. Goursaud, J. M. Gorce
2015 EAI Endorsed Transactions on Internet of Things  
We first analyze the classical cellular network technologies when taking into account the IoT requirements, and point out the need of dedicated technologies for IoT.  ...  Then, we present the PHY and MAC layers of the technologies that are already deployed, or likely to be deployed: UNB by SigFox, CSS by LoRa T M , Weighless, and RPMA by Ingenu.  ...  This optimization will rely on joint PHY/MAC strategies which may permit to use original distributed coding approaches as proposed for instance in [28] .  ... 
doi:10.4108/eai.26-10-2015.150597 fatcat:437tdl2s25etpdsint3tpwtb6i

Cross-Layer Optimized Resource Allocation Scheme for OFDMA based Micro Base Stations
OFDMA 기반 마이크로 기지국을 위한 계층간 최적화된 자원할당 기법

Sung-Hyun Cho
2010 Journal of the Korea Society of Computer and Information  
In this paper, a joint PHY-MAC layer optimized resource allocation scheme for OFDMA based micro base stations is investigated.  ...  We propose cross-layer optimized two-stage resource allocation scheme including cross-layer functional description and control information flow between PHY-MAC layers.  ...  The PHY-MAC layer function and information flow are designed in way of cross-layer optimized for the efficient resource allocation.  ... 
doi:10.9708/jksci.2010.15.6.049 fatcat:7tuwbsywkbbfzk74ootz66o5v4
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