radio resource management under unified wireless networks

Báo cáo hóa học: " Radio resource management for public femtocell networks" docx

Ngày tải lên : 20/06/2014, 22:20

... radio resource management schemes can effectively improve radio resource utility and system performance of the whole network. Keywords: radio resource management, public femtocell networks, resource ... resource between macrocell and femtocell networks; (2) medium-term resource management, which is to alloca te radio resources to each femtocell; (3) fast resource management, which is to further enable multiple ... 16 3. Radio resource management schemes 3.1. Long-term resource management: spectrum allocation between macrocell and public femtocells Spectrum is one of the most important resources for wireless...

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Báo cáo hóa học: " Research Article Interference-Aware Radio Resource Management for Local Area Wireless Networks" ppt

Ngày tải lên : 21/06/2014, 05:20

... Wireless Communications and Networking Volume 2011, Article ID 921623, 15 pages doi:10.1155/2011/921623 Research Article Interference-Aware Radio Resource Management for Local Area Wireless Networks Pekka ... Koivunen, ´ C.Ribeiro,J.Korhonen,K.Doppler,and K. Hugl, “Interference-aware resource allocation for device- to-device radio underlaying cellular networks, ” in Proceedings of the 69th IEEE Vehicular Technology ... wide area networks, thus increasing the gain potential from interference management. (ii) The cells are likely to shrink in order to pro- vide higher throughputs and spatial reuse of radio resources....

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Báo cáo hóa học: " Effective Radio Resource Management for Multimedia Broadcast/Multicast Services in UMTS Networks" ppt

Ngày tải lên : 22/06/2014, 22:20

... the key issues in multicast transmission is the management of radio resources. The main requirement is to make an eﬃcient overall usage of the radio resources. This makes the use of a common channel ... eﬃciently use network /radio resources (by transmitting data over a common radio channel), both in the core network but most importantly in the air interface of UMTS terrestrial radio access network ... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2006, Article ID 70903, Pages 1–12 DOI 10.1155/WCN/2006/70903 Effective Radio Resource Management for Multimedia Broadcast/Multicast...

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Báo cáo hóa học: " Research Article Intercell Radio Resource Management through Network Coordination for IMT-Advanced Systems Young-June Choi,1 Narayan Prasad,2 and Sampath " doc

Ngày tải lên : 21/06/2014, 11:20

... these proﬁles, a BS implements a RRA (radio resource agent), the diﬀerence being where the RRC (radio resource controller) is located. A RRA collects information on radio resources and supervises the ... coordi- nated RRM between neighboring BSs within the network. We use RRM to refer to both radio resource management and radio resource managers. If dynamic FFR is deployed in the system, designated neighboring ... applicable regardless of network architecture. 3.3. Radio Resource Management. In the proposed frame- work, both cell-edge and cell-interior users share radio resources. This sharing can be enabled through...

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Báo cáo hóa học: " Editorial Radio Resource Management in 3G+ Systems Alagan Anpalagan,1 Rath Vannithamby,2 Weihua " potx

Ngày tải lên : 22/06/2014, 22:20

... communication, mobile networks, and system performance analysis; and in particular QoS-aware radio resource management, joint study of wireless physical/link layer character- istics, cross-layer resource ... major wireless communication conferences. His research interests are in the area of radio resource management techniques and MAC and signaling layer protocols for high-speed wireless- access networks ... of the textbook Wireless Communications and Networking (Prentice Hall, 2003). Her current research interests include multimedia wireless communications, wireless networks, and radio po- sitioning....

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Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks

Ngày tải lên : 26/04/2013, 11:15

... radio channel condition, i.e., the link is ii Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks Gustavo Nader (Abstract) Third generation wireless ... 3-2 illustrate the Radio Block structure for both cases, respectively [3GP00a]. data BCSUSF Radio Block rate 1/2 convolutional coding puncturing 456 bits Figure 3-1 - Radio Block structure ... General Radio Packet Services (GPRS) Link Performance 3.1 GPRS Data Rates GPRS (General Radio Packet Services) is the packet-switched technology that allows data services on GSM networks. ...

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resource management in wireless networking (network theory and applications)

Ngày tải lên : 01/06/2014, 12:51

... Activities 2.1. 2.2. Unlicensed Band Licensed Band 3. Inter-Domain Radio Resource Management 3.1. 3.2. 3.3. Radio Resource Broker Concept Resource Usage Optimization Radio Resource Redistribution 4. Workload Characterization 4.1. 4.2. Measurement Empirical ... cover key topics from the area of resource management and QoS in wireless networks, starting from channel scheduling, QoS-aware medium access control, to QoS routing, resource discovery, energy-efficient ... Repositioning 7. Conclusion References Efficient Resource Discovery in Wireless AdHoc Networks: Contacts Do Help Ahmed Helmy 1. 2. 3. Introduction Overview of Resource Discovery Approaches Resource Discovery Approaches 3.1. 3.2. 3.3. 3.4. Flooding-based...

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báo cáo hóa học: " TCP NCE: A unified solution for non-congestion events to improve the performance of TCP over wireless networks" docx

Ngày tải lên : 21/06/2014, 02:20

... the performance of TCP over wireless networks. To address this issue, we propose a unified solution called TCP NCE for improving the performance of TCP over wireless networks by reducing the unnecessary reduction ... in wireless networks, the interferences between neighboring nodes are much higher compared to local area networks. As a result, the bit error rates of wireless links are more variable in wireless ... NCE and the result shows significant improvement over existing algorithms in wireless networks. Keywords: Wireless Networks, TCP, Congestion loss, Non-congestion events Introduction Transmission...

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báo cáo hóa học: " Cross-layer design for radio resource allocation based on priority scheduling in OFDMA wireless access network" docx

Ngày tải lên : 21/06/2014, 02:20

... article as: Chen et al.: Cross-layer design for radio resource allocation based on priority scheduling in OFDMA wireless access network. EURASIP Journal on Wireless Communications and Networking 2011 ... broadcast the arrangement of radio resources to all mobile stations within the coverage of the same base station. This overhead greatly affects the utilization of valuable radio resources. In this paper, ... design to improve the utilization of radio resource was proposed. The proposed TSA scheme decreases the transmission overhead by regularizing the radio resources for individual traffic bursts....

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báo cáo hóa học:" Research Article Resource Allocation for the Multiband Relay Channel: A Building Block for Hybrid Wireless Networks" ppt

Ngày tải lên : 21/06/2014, 18:20

... Bounds and Optimal Resource Allocation In the remainder of the paper, we will consider optimal resource allocation on the bounds obtained for the MBRC, that is, for hybrid wireless networks where ... Building Block for Hybrid Wireless Networks Kyounghwan Lee, 1 Aylin Yener, 2 and Xiang He 2 1 Reverb Networks, 20099 Ashbrook Place, Suite 105, Ashburn, VA 20147, USA 2 Wireless Communications ... network, a hybrid wireless network can be formed. In this case, a meaningful question is how to allocate resources between links in order to maximize the data rate. It is evident that the resource allocation strategy...

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Báo cáo hóa học: "Research Article Auction-Based Resource Allocation for Cooperative Video Transmission Protocols over Wireless Networks" ppt

Ngày tải lên : 21/06/2014, 20:20

... broadcast nature of wireless networks, forms virtual MIMO system, and provides diversity gains. In this paper, wireless video transmission protocols are proposed, in which the spectrum resources are ... nodes in selﬁsh packet-forwarding wireless networks, ” in Proceedings of the 5th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt ’07), Limassol, Cyprus, ... Fu, M. van der Schaar, and F. Paganini, “Mechanism-based resource allocation for multimedia transmission over spectrum agile wireless networks, ” IEEE Journal on Selected Areas in Communications,...

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Báo cáo hóa học: " Research Article Adaptive Cross-Layer Distributed Energy-Efﬁcient Resource Allocation Algorithms for Wireless Data Networks" doc

Ngày tải lên : 21/06/2014, 22:20

... adaptive and distributed cross-layer resource allocation for energy eﬃciency in uplink code-division multiple-access (CDMA) wireless data networks is addressed. The resource allocation problems are ... pages doi:10.1155/2009/532607 Research Article Adaptive Cross-Layer Distributed Energy-Efﬁcient Resource Allocation Algorithms for Wireless Data Networks Stefano Buzzi, 1 H. Vincent Poor, 2 and Daniela Saturnino 1 1 DAEIMI, ... advances in the state-of-the-art knowledge on the design principles of wireless networks. In the context of multiuser data networks, such as those based on the code-division multiple-access (CDMA) air...

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Báo cáo hóa học: " Research Article Adaptive Bandwidth Management and Joint Call Admission Control to Enhance System Utilization and QoS in Heterogeneous Wireless Networks" pptx

Ngày tải lên : 22/06/2014, 19:20

... different cellular networks in the same area necessitates joint radio resource management for enhanced QoS provisioning and efficient radio resource utilization. We propose adaptive bandwidth management ... pool of radio resources that are available in each of the existing radio access technologies (RATs) [1, 2]. In heterogeneous cellular networks, the radio resource pool consists of resources ... coexistence of different cellular networks in the same geographical area necessitates joint radio resource management (JRRM) for enhanced QoS provisioning and efficient radio resource utilization. The...

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Báo cáo hóa học: " Key Management for Secure Multicast over IPv6 Wireless Networks" potx

Ngày tải lên : 22/06/2014, 22:20

... in wireless networks of mobile hosts: protocols and issues,” Mobile Networks and Applications, vol. 7, no. 6, pp. 503–511, 2002, special issue on multipoint communication in wireless mobile networks. [9] ... on Wireless Communications and Networking The new services on future wireless networks are the lack of thorough and well-deﬁned security solutions that meet the challenges posed by wireless networks. ... protocols for wireless computing must be designed to consider the resource limitations of network nodes, the mo- bility of network nodes, and the underlying interworking of wireless networks. Most...

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Báo cáo hóa học: " Research Article A Utility-Based Downlink Radio Resource Allocation for Multiservice Cellular DS-CDMA Networks" docx

Ngày tải lên : 22/06/2014, 22:20

... Yanikomeroglu, and Y. Q. Zhao, “Optimal downlink resource allocation for cellular CDMA networks, ” in Adaptation Techniques in Wireless Multimedia Networks, Y. Xiao and W. Li, Eds., Nova Science, ... (QoS) requirements. Due to the limited availabil- ity of radio resources, designing a resource control mechanism to utilize the network resources eﬃciently is a crucial task for the next generation ... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2007, Article ID 76193, 11 pages doi:10.1155/2007/76193 Research Article A Utility-Based Downlink Radio Resource Allocation for Multiservice...