Multi agent systems on wireless sensor networks a distributed reinforcement learning approach

... Multi- agent Learning 2.1 CHAPTER: Multi- agent Learning A possible approach to multi- agent learning is to regard the MAS as a large single agent whose state and action spaces are the concatenation of ... the MAXQ approach to multi- agent RL The main idea of [52] is to take advantage of the hierarchy approach and enable communication at high level tasks only Eac...

Ngày tải lên: 26/11/2015, 13:03

... of the arrival self-similar traffic flow is a key in advance in the case Then, we can obtain the guaranteed QoS by regulating the average arrival rate r and the burst tolerance b of self-similar ... 3.3 Guaranteed QoS The guaranteed QoS provides the QoS guarantees which involve the stability of performance, the usability and reliability of calculation resourc...

Ngày tải lên: 21/06/2014, 00:20

... to a source and carry the information concurrently to the destination in order to achieve load balancing and rapid delivery of the information In a wireless sensor network, both single paths and ... reveals a gain which increases with the reduction of the play-back delay Note however that while multipath routing may result in playback delay gain, increasing the path...

Ngày tải lên: 21/06/2014, 17:20

... Non-cooperative game Co-operative game Complete information game Game of strategy and chance Dynamic (sequential) game Static (Simultaneouse) game Figure 1: Classification of games Superframe-1 Active ... collision and less idle waiting time in backoff procedure In “Incomplete Game , access delay performance is far better than “NM”, and comparable with “IBM”, as it can easily ada...

Ngày tải lên: 21/06/2014, 17:20

... known as Temporal-Difference (TD) Learning, e.g Q -learning (Watkins and Dayan, 1992) Watkins and Dayan’s Q -learning is based on Q-functions rather than value functions, 17 CHAPTER STOCHASTIC PLANNING ... domain To date, it has found applications in a variety of areas: target tracking (Evans et al., 2005), sensor networks applications (Yeow et al., 11 CHAPTER STOCHASTIC PLANNING Fi...

Ngày tải lên: 12/09/2015, 08:20

... A virtual infrastructure based on honeycomb tessellation for data dissemination in multisink mobile wireless sensor networks Ay¸eg¨l T¨ys¨z Erman∗ , Arta Dilo and Paul Havinga s u u u Pervasive ... and challenges of using mobile sinks in WSNs Next, we introduce our virtual infrastructure based on honeycomb tessellation and the protocol based on...

Ngày tải lên: 20/06/2014, 20:20

... Data Traditional sensor network wireless Attack Data Traditional sensor network wireless or Random Kay Predistribution Data and information spoofing, Attacks in information in Transit Traditional ... sensor network wireless REWARD Blackhole attacks Traditional sensor network wireless Tiny Sec Data and Information spoofing, Message Replay Attack Data and Infor...

Ngày tải lên: 05/03/2014, 23:20

... [2] an equal transmit power allocation scheme is used as the channel state information (CSI) is not available at the transmitter If the average attenuation of the channel for each cooperative ... data as an individual antenna with transmission power Pout jt in the MIMO antenna array In the cooperative MIMO scheme, the transmission delay and channel estimation scheme proposed in...

Ngày tải lên: 22/06/2014, 22:20

... the overarching architecture behind TeamLog from Kim Does, Harmen Wassenaar, Alina Strachocka and Andrzej Szałas In addition, Kim, Michał and Alina also offered a great support by bringing numerous ... ‘relevance awareness’ are often used in approaches for ˚ modeling agents’ awareness by concepts such as explicit knowledge (Agotnes and Alechina, 200 7a) Teamwork in Multi-Agent Sy...

Ngày tải lên: 18/02/2014, 15:20

... strong diversity of coexistent definitions In this section, we summarize the most common definitions in the form of a survey of lifetime definitions 2.1 Network Lifetime Based on the Number of Alive ... when either the percentage of alive nodes or the size of the largest connected component of the network drop below a specified threshold However, this definition o...

Ngày tải lên: 28/04/2014, 13:38

... read the sensor data with kHz sample rate and send the data to the coordinator within a short latency At the early stage, some preliminary designs based on the existing hardware platforms and ... platforms 5.2 Simulation results For each algorithm, many cases with different configurations of parameters (e.g., payload, superframe length, macMaxCSMABackoffs, and macMaxFrameRetries...

Ngày tải lên: 20/06/2014, 22:20

... respectively Then, the cluster-heads and the sink node distribute the schedules to their clustered nodes and the cluster-heads in the network, respectively In the case of the cluster-heads, the schedules ... article as: Choi and Lee: Energy consumption and lifetime analysis in clustered multi-hop wireless sensor networks using the probabili...

Ngày tải lên: 20/06/2014, 22:20

... before issuing a DSC packet Once again, it Table 1: Relevant simulation parameters CSMA/CA Parameter macMinBE macMaxBE MaxCSMABackoffs AckWaitDuration macMaxFrameRetries Value ms PHY layer and ... resolution algorithm, namely, simplicity and fairness We took the configuration phase of SAMAC (a TDMA- based synchronous MAC protocol) as a case study and carried out a performance evaluat...

Ngày tải lên: 21/06/2014, 11:20

... CRT-based approach also in a network where nodes alternate between sleep and awake state, both reliability and energy saving can be achieved with a moderate increase in the overall complexity and with ... parameters accordingly [1] G Campobello, A Leonardi, and S Palazzo, A novel reliable and energy- saving forwarding technique for wireless sensor networ...

Ngày tải lên: 21/06/2014, 11:20

... Locator Sensor Attacker S3 L5 L2 Locator Sensor Attacker (a) (b) Figure 1: The attack scenarios in WSN (a) Attacker model in range-based localization; (b) Attacked locators with temporal and spatial ... and Z Wang, A secure localization approach against wormhole attacks using distance consistency,” EURASIP Journal on Wireless Communications and Networking, vol 2010, 11 pages...

Ngày tải lên: 21/06/2014, 11:20