Paper Reading Report-01
1. Paper information:
Deng, J. Haas, Z.J. Dual busy tone multiple access (DBTMA): a new medium access control for packet radio networks. IEEE 1998 International Conference on Universal Personal Communications, 1998. ICUPC '98.
2. Problem definition:
The problem highlights the need of effective channel utilization in a RTS/CTS based radio networks.
3. Survey of relative works:
various MAC schemes are used to manage access to the single channel radio networks and to solve hidden terminal problem in systems BTMA was introduced. Here MACA and MACAW are used to solve hidden terminal and exposed terminal problem.
4. Proposed methods:
Here authors proposed dual Busy Tone Multiple Access (DBTMA), for parallel channel utilization without any interference and collision.
5. Performance evaluations and discussions:
when RTS/CTS-based schemes reserve a channel, in forward and reverse directions for transmission, while DBTMA reserve the forward channel only, leaving the reverse channel for other transmissions. So network utilization is double in DBTMA.
6. comments and solutions:
It's a very good idea to solve the hidden terminal problem. Parallel transmission between different pair of nodes can be made possible without any collision and interference.
Paper Reading Report-02
1. Paper information:
S.-L.Wu, Y.-C.Tseng, and J.-P. Sheu, "Intelligent Medium Access for Mobile Ad Hoc Networks with Busy Tones and Power Control", IEEE Journal on Selected Areas in Communications, Vol. 18, No. 9, September 2000, pp. 1647-57. (SCI, EI) (impact factor = 3.413, 4/78)
2. Problem definition:
Here the authors innovated the concept of power control with busy tone for better Channel utilization in MANET.
3. Survey of relative works:
Here authors reviewed two existing MAC protocols i.e. RTS/CTS based protocols and RTS/CTS dialogue enhanced with busy tones to contend with hidden terminal and exposed terminal problems.
4. Proposed methods:
Here reuse of channel by power control along with power level tuning has proposed to strengthen new MAC protocol that combines the mechanisms of power control, RTS/CTS dialogue, and busy tones.
5. Performance evaluations and discussions:
This new MAC protocol for MANETs significantly increase channel utilization by drastically reducing the signal overlapping.
6. comments and solutions:
Perform well for parallel communication through power control. Multi pair's parallel communications helps to enhance the better channel utilization.
Paper Reading Report-03
1. Paper information:
Changqing Liu, Jinsheng Yang and shih-Lin Wu, "Dynamic Routing-Tree based data forwarding scheme for Urban Vehicular Ad Hoc Networks. ", 2012 IEEE 12th International Conference on Computer and Information Technology-2012.
2. Problem definition:
A road network is prearranged with a static hotspot, such as a parking lot, many vehicles make inquiries parking space information from it during busy working hours. And the vehicles need to flood RD packets to discover routes before sending data packets. In this situation, let the parking lot proactively broadcast RB packets to build a routing-tree for vehicles. Here the main research problem is to provide minimum delay routes for vehicles and minimize the packets delivery overheads.
3. Survey of relative works:
The authors reviewed various protocols like VADD, SADV, RBVT-R and RBVT-P.
4. Proposed methods:
Authors proposed a new protocol i.e. Routing-tree based data forwarding (RTDF) to provide minimum delivery delay routes and minimize the packets delivery overheads.
5. Performance evaluations and discussions:
Here Authors evaluated the performance of RTDF by comparing it with a representative routing protocol AODV. Simulation results show that this scheme (RTDF) performs better than AODV in packet delivery delay under different packet rates.
6. comments and solutions:
RTDF is a better routing protocol as compared to other protocols to provide minimum delivery delay routes and minimize the packets delivery overheads.
Paper Reading Report-04
1. Paper information:
Changqing Liu, Jinsheng Yang and shih-Lin Wu, "A Collaborative Information Maintenance Scheme with Reliable Broadcast for Urban Zones", 2012.
2. Problem definition:
The research problem of this paper is to maintain information at intersections for as long as possible using passing vehicles, and to minimize the packet delivery overhead in the maintain process with little broadcast delay.
3. Survey of relative works:
Here authors reviewed their previous works i.e. Routing-tree based data forwarding scheme for road networks with a static hotspot.
4. Proposed methods:
Authors proposed the design of the collaborative information maintenance scheme. They developed an analytical model to describe the relationship between expected maintain duration and the average vehicle density.
5. Performance evaluations and discussions:
The work describes our analytical model that analyzes the relationship between the expected maintain duration and average vehicle density.
6. comments and solutions:
This scheme can effectively avoid packet collisions and make the vehicle near to the intersection center with broadcasting the information with relatively small delay. Based on this maintenance scheme, an analytical model can be developed to analyze the successful maintenance at intersection point.
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