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A high capacity multihop packet CDMA wireless network

Ali Nabi Zadeh, Bijan Jabbari
2001 Proceedings of the first workshop on Wireless mobile internet - WMI '01  
In this paper we show that wireless multihop networks overlaid with cellular structure have the potential to support high data rate Internet traffic.  ...  An adhoc network is a collection of wireless mobile nodes dynamically forming a temporary network without the use of any existing network infrastructure or centralized administration.  ...  In our multihop packet CDMA network, we are only concerned with time and space allocation.  ... 
doi:10.1145/381472.381587 dblp:conf/wmi/ZadehJ01 fatcat:akfrrsb5oremhmshlyd6xlsxcy

Self-organizing packet radio ad hoc networks with overlay (SOPRANO)

A.N. Zadeh, B. Jabbari, R. Pickholtz, B. Vojcic
2002 IEEE Communications Magazine  
The SOPRANO project involves a novel adaptive and scalable wireless network architecture utilizing a mixture of cellular and multihop packet radio system topologies with the potential to support a variety  ...  or enhance the system performance in this multihop network.  ...  In multihop cellular, new base stations are replaced by wireless routers to establish a multihop wireless network.  ... 
doi:10.1109/mcom.2002.1007421 fatcat:23hpnlo2rrgkbgr7c7svm4oqme

An overview of scheduling algorithms in wireless multimedia networks

H. Fattah, C. Leung
2002 IEEE wireless communications  
Much work remains to be done in the design and performance evaluation of wireless schedulers, especially for CDMA and multihop networks. s Figure 2 .Figure 3 . 23 A scheduled CDMA scheduler.  ...  NETWORK MODEL A multihop network consists of a number of MSs; each MS has a certain number of neighboring MSs.  ...  The emergence of new multimedia and Internet applications for the wireless domain has spurred the study of scheduling algorithms for providing QoS guarantees.  ... 
doi:10.1109/mwc.2002.1043857 fatcat:3zs6r7tr65dppo3umdns6asqm4

LTE-A an overview and future research areas

Shihab Jimaa, Kok Keong Chai, Yue Chen, Yasir Alfadhl
2011 2011 IEEE 7th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)  
LTE constitutes the latest step towards the 4th generation (4G) of radio technologies designed to increase the capacity and speed of mobile communications.  ...  LTE uses a different air interface and packet structure than the previous 3G systems, including GSM's UMTS: Wideband CDMA (W-CDMA) and High Speed Packet Access (HSPA), and CDMA's Evolution-Data Optimized  ...  Multihop Wireless Networks The conventional infrastructure cellular networks (e.g.  ... 
doi:10.1109/wimob.2011.6085370 dblp:conf/wimob/JimaaCCA11 fatcat:gq4dkyiqfzhovk5l7ysj3kasia

Multihop Cellular Networks: Dynamic Channel Assignment and Routing Protocol for Improving Performance

C. P.Maheswaran, Bruevin Paul
2013 International Journal of Computer Applications  
Through the proposed new protocol, we can provide solution for the problem of routing and relay delay in Multihop Cellular Networks and the performance of the packet transmission can be improved.  ...  To overcome the problems associated with the relay delay and the overall performance in the Multihop Cellular Networks a new protocol is introduced which combines the merits of both the modified Minimum  ...  The dynamic channel allocation in the multihop cellular networks offers more flexibility and improved capacity.  ... 
doi:10.5120/11411-6745 fatcat:emyq6bds3ze7fbvxdd3mooafxm

Autonomous infrastructure based multihop cellular networks

Mark DeFaria, Elvino S. Sousa
2009 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications  
Autonomous Infrastructure Based Multihop Cellular Networks  ...  Time Division Duplex CDMA Power Control In a CDMA network, the SINR at the receiver should be sufficiently high that the in- Motivation The reverse link capacity of any CDMA cellular network is  ...  To have a high capacity, the network must support a large number of high bit rate users at a sufficient SINR > α to obtain a required BER.  ... 
doi:10.1109/pimrc.2009.5450070 dblp:conf/pimrc/DeFariaS09 fatcat:y4b3povutrbfphvi4ihrctt2sa

Overview of networking protocols for underwater wireless communications

D. Pompili, I. Akyildiz
2009 IEEE Communications Magazine  
Channel access control in wireless underwater networks, in fact, poses additional challenges due to the limited bandwidth, very high and variable propagation delays, high bit error rates, temporary losses  ...  In multihop networks, reliability can be defined on a hop-by-hop and an end-to-end basis. However, a sequence of hop-by-hop guarantees does not necessarily add up to an end-to-end guarantee.  ... 
doi:10.1109/mcom.2009.4752684 fatcat:am42nbpbrjervp5qsfkqv4xhy4

A MAC protocol for multihop RP-CDMA ad hoc wireless networks

Todd Mortimer, Janelle Harms
2012 2012 IEEE International Conference on Communications (ICC)  
We propose a simple MAC protocol on top of the RP-CDMA Phy and apply it to the multihop ad hoc network model.  ...  RP-CDMA is a wireless multiple access technique that utilizes multiple spreading codes and a multiuser detector to enhance link reliability and performance.  ...  Our simulation results suggest that a reliable wireless link can enable reliable, high performance multihop ad hoc networks.  ... 
doi:10.1109/icc.2012.6364359 dblp:conf/icc/MortimerH12 fatcat:uhqcdd63dfeghdty3cjzai3j4i

On coverage and routing in wireless ad hoc networks

R. Kempter, P. Amini, C. Schlegel, B. Farhang-Boroujeny
2006 IEEE Signal Processing Magazine  
Because of the scarce wireless resource and tight capacity limitations [1], a number of cross-layer designs have been proposed recently [2], [3] that deal with optimizing all aspects of data communications  ...  IEEE 802.11 versus CDMA technology ] R esearch in ad hoc networks faces a multitude of challenges from the physical up to the transport and network layers.  ...  [12] investigated the transmission capacity of CDMA ad hoc networks assuming a hypothetical perfect cancellation receiver. Similarly, Xiaocong et al.  ... 
doi:10.1109/msp.2006.1708412 fatcat:qfdcqxcovjfv5jjdesbf2ydlga

Multicast Outage Probability and Transmission Capacity of Multihop Wireless Networks

Chun-Hung Liu, Jeffrey G. Andrews
2011 IEEE Transactions on Information Theory  
A first contribution of this paper is the development of a tractable multicast model and throughput metric that captures each of these key traits in a multicast wireless network.  ...  We utilize a Poisson cluster process (PCP) consisting of a distinct Poisson point process (PPP) for the transmitters and receivers, and then define the multicast transmission capacity (MTC) as the maximum  ...  Multicast Outage Probability and Transmission Capacity of Multihop Wireless Networks Chun-Hung Liu, Member, IEEE, and Jeffrey G.  ... 
doi:10.1109/tit.2011.2146030 fatcat:mcnefvva6bccza2wnfwj4odpgi

Enhanced Channel Assignment Algorithm for Relaying Nodes in W-CDMA Multihop Cellular Network

Kishana R. Kashwan, S. G. Balakrishnan
2013 International Journal of Computer and Communication Engineering  
For newer and emerging communication technologies, it can be quite faster to deploy Multihop cellular networks (MCNs) with increased channel capacity and wider coverage area at comparatively less cost.  ...  MCNs greatly reduce the dead-spot and hot-spot problems faced by cellular networks. The channel assignment is a challenge in these networks.  ...  Reserve a channel (CH) to NDN Enhanced Channel Assignment Algorithm for Relaying Nodes in W-CDMA Multihop Cellular Network Kishana R. Kashwan, Senior Member, IACSIT and S. G.  ... 
doi:10.7763/ijcce.2013.v2.247 fatcat:rpupigzw5jf4jbipotdf4q2qci

An ad hoc networking scheme in hybrid networks for emergency communications

Takahiro Fujiwara, Takashi Watanabe
2005 Ad hoc networks  
The network is configured with a hybrid wireless network, combining ad hoc networks and a cellular network to maintain connectivity between a base station (BS) and nodes even in a disaster.  ...  In addition, the results showed that it is feasible for the network to operate in a short delay for delivering a packet to the BS.  ...  Considering the advantages of a cellular network and ad hoc networks, various types of hybrid wireless networks using multihopping have been studied for the next generation mobile system to achieve high  ... 
doi:10.1016/j.adhoc.2004.08.007 fatcat:xpi37mlci5g2dn2tlupyjp2ib4

Issues in integrating cellular networks, wlans, and manets: a futuristic heterogeneous wireless network

D. Cavalcanti, D. Agrawal, C. Cordeiro, Bin Xie, A. Kumar
2005 IEEE personal communications  
If packet delay is high, the MS stops forwarding and requests the BS to forward data packets to another neighboring cold cell.  ...  SOPRANO -The Self-Organizing Packet Radio Ad Hoc Network with Overlay (SOPRANO) [12] investigates some of the techniques by which the capacity of a cellular network can be enhanced, including bandwidth  ... 
doi:10.1109/mwc.2005.1452852 fatcat:iaq3uiffsbgufe2cl7igf2tyya

Power control and proportional fair scheduling with minimum rate constraints in clustered multihop TD/CDMA wireless ad hoc networks

Lijun Qian, Ning Song, D.R. Vaman, Xiangfang Li, Z. Gajic
2006 IEEE Wireless Communications and Networking Conference, 2006. WCNC 2006.  
In order to achieve high end-to-end throughput in a multihop wireless ad hoc network, TD/CDMA has been chosen as the Medium Access Control (MAC) scheme due to its support for high network throughput in  ...  The multi-link version of the proportional fair scheduling algorithms for multihop wireless ad hoc networks are proposed.  ...  TD/CDMA wireless ad hoc networks.  ... 
doi:10.1109/wcnc.2006.1683565 dblp:conf/wcnc/QianSVLG06a fatcat:2rivik5ecve3bjfki3s34lglxe

Wireless communications: past events and a future perspective

T.S. Rappaport, A. Annamalai, R.M. Buehrer, W.H. Tranter
2002 IEEE Communications Magazine  
The multi-hopping technique increases the network capacity by spatial domain reuse of concurrent but physically separated multihop sessions in a large-scale network (i.e., reduces interference), conserves  ...  A further challenge to CDMA is the efficient implementation of packet data service.  ... 
doi:10.1109/mcom.2002.1006984 fatcat:xbczaivv5ba7jm27em2zo5diuq
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