• No results found

Scheme for Single Hop

An Energy Effective Minimum Hop Routing Scheme To Improve Wsn

An Energy Effective Minimum Hop Routing Scheme To Improve Wsn

... same conventional problems of wireless communications i.e. WSN width limitations, battery power, enhancement of transmission quality and coverage problems [5]. In WSNs, each sensor node has various sensors depending on ...

15

Collaborative modulation multiple access for single hop and multihop networks

Collaborative modulation multiple access for single hop and multihop networks

... To improve the BER performance of CMMA, a new selection combining receive diversity scheme called SC-CMMA is proposed. SC-CMMA preserves the simple precoding, feedback, and detection structure of CMMA. The ...

210

SYSTEM DESIGN ISSUES IN SINGLE-HOP WIRELESS SENSOR NETWORKS

SYSTEM DESIGN ISSUES IN SINGLE-HOP WIRELESS SENSOR NETWORKS

... ‘query’ scheme where a node has a packet with the required number of readings ready, but has not being queried by the base ...‘query’ scheme operating in a continuous sensing application, unless we remove ...

6

A real-time multicast routing scheme for multi-hop switched fieldbuses

A real-time multicast routing scheme for multi-hop switched fieldbuses

... NCS on multi-hop switched fieldbuses raise many new challenges as multi-hop networking is more complicated than single-hop. Some assumptions on traditional linear state space control models ...

9

Techniques to Support Multicast Traffic in Single-Hop WDM Optical Networks

Techniques to Support Multicast Traffic in Single-Hop WDM Optical Networks

... The organization of the thesis is as follows. In the next chapter, we present back- ground information on optical networks and on multicasting. We discuss the characteristics of optical networks, their classification, ...

111

A Number Theoretic Approach for Fast Discovery of Single-Hop Wireless Networks

A Number Theoretic Approach for Fast Discovery of Single-Hop Wireless Networks

... 30: end if 31: end for 32: end for time sharing scheme that requires K rounds, we note that for K = 8192 and L = 7, an average of 180.27 rounds are needed without interference cancellation. Note that this number ...

5

Distributed multi-hop reservation scheme for wireless personal area ultra-wideband networks

Distributed multi-hop reservation scheme for wireless personal area ultra-wideband networks

... 2- hop DMRP Availability ...the single hop, it acts as a current DRP reservation request, but for the Multi-hop level it acts as a DMRP reservation ...the single hop, it acts as ...

48

Efficient Distributed Authentication Key Scheme for Multi-hop Relay In IEEE 802.16j Network

Efficient Distributed Authentication Key Scheme for Multi-hop Relay In IEEE 802.16j Network

... its single hop localized SS or subordinate RS and securely transfer the AK , which minimize the chances of DoS in the ...key scheme, for NT- ARS, MAC header contains CID field of NT-ARS which is ...

8

A Novel Cluster Based Cooperative MIMO Scheme for Multi Hop Wireless Sensor Networks

A Novel Cluster Based Cooperative MIMO Scheme for Multi Hop Wireless Sensor Networks

... each single-hop communication, if there exist J -cooperative MIMO nodes, the cluster head will add a packet header to the data packet, which includes the information of source clus- ter ID, next-hop ...

9

Lightweight Robust Forwarding Scheme for Multi Hop Wireless Networks

Lightweight Robust Forwarding Scheme for Multi Hop Wireless Networks

... a single scenario which can be considered as an global scenario since there is no difference between two scenarios in terms of number of participants on the network where comprising of 15 active mobile nodes move ...

10

A Clustering Scheme for Hierarchical Control in Multi-hop Wireless Networks

A Clustering Scheme for Hierarchical Control in Multi-hop Wireless Networks

... A node in any layer of the hierarchy belongs to a constant num- ber of clusters in that layer. Ideally, we would want a node to be- long to only a single cluster in a layer. However, it is apparent, that for ...

10

A Charging and Rewarding Scheme for Packet Forwarding in Multi-hop Cellular Networks

A Charging and Rewarding Scheme for Packet Forwarding in Multi-hop Cellular Networks

... Security against an invasive adversary: Above, we have described how the simple cryptographic mechanisms of our scheme defend against various filtering attacks. The power of the adversary is increased in several ...

12

An adaptive randomized DSTC scheme for two-hop cooperative wireless networks

An adaptive randomized DSTC scheme for two-hop cooperative wireless networks

... otherwise, it just keeps quiet to avoid interference. Similarly, if U2 succeeds in decoding, it will transmit to the destination; otherwise, no signal is transmitted. Hence, there are four possible outcomes at the ...

14

Design and Analysis of Authentication Mechanisms in Single- and Multi-Hop Wireless Networks

Design and Analysis of Authentication Mechanisms in Single- and Multi-Hop Wireless Networks

... HSR on Proposed Clustering Arch. HSR on LCA Clustering Arch. Figure 5.15: Throughput vs. Simulation Time. or energy depletion, some nodes such as the source node or the intermediate node need to broadcast the message to ...

163

Design of a new scheme for multi hop wireless networks using decode and forward strategy

Design of a new scheme for multi hop wireless networks using decode and forward strategy

... | M | = 5. Figure 8 (left) shows that at the first relay (j = 1) there is a small improvement in the performance by increasing the number of iterations. This situation changes completely for the remaining nodes where ...

8

Determination of Array Gain of Single  Hop to Achieve the Performance of a  2 Hop Wireless Link

Determination of Array Gain of Single Hop to Achieve the Performance of a 2 Hop Wireless Link

... under single antenna system with the case of direct wireless link (without relay) of array antenna system (AAS) to reduce complexity of communication ...of single hop link equivalent to dual ...

15

Single Equality Scheme

Single Equality Scheme

... Barriers to increased public transport use People from across the Capital’s communities are more likely to say overcrowding is a barrier to increased public transport use than any other single issue. For young and ...

62

SINGLE EQUALITY SCHEME

SINGLE EQUALITY SCHEME

... The Single Equality Scheme In order to meet our duties under the Single Equality Scheme, the school has integrated our statutory duties in relation to race, disability and gender and promoting ...

12

SINGLE EQUALITY SCHEME

SINGLE EQUALITY SCHEME

... The Single Equality Scheme In order to meet our duties under the Single Equality Scheme, the school has integrated our statutory duties in relation to race, disability and gender and promoting ...

12

Multiple UAVs as relays : multi hop single link versus multiple dual hop links

Multiple UAVs as relays : multi hop single link versus multiple dual hop links

... a single multi-hop link or multiple dual-hop links, we first optimize the placement of the UAVs by maximizing the end-to-end signal-to-noise ratio for three useful channel models and two common ...

31

Show all 10000 documents...

Related subjects