2015 energy efficient active tag searching in large scale RFID systems

... loan origination, processing, and underwriting All of these units and several of the branches were implicated in the conspiracy Charged in the indictment is YIU WAH WONG, who served as the Bank s ... origination, purchasing, and servicing fees over the five-year period covered by the indictment ABACUS is a federally-chartered deposit and lending institution headquartered at...

Ngày tải lên: 16/02/2014, 11:20

... and a corpus of documents Di , a search engine ranks all documents in Di according to their relevance to the query Q If instead of the corpus Di , the respective summaries of all documents are ... measure for assessing the relative decrease in retrieval performance when indexing summaries instead of full documents The idea behind it is similar to (Sparck-Jones and Sakai, 2001) In that e...

Ngày tải lên: 20/02/2014, 16:20

... concepts in the ontology may be used (singly or in combination) in a lexical meaning representation No necessary correlation is expected between syntactic category and properties and semantic or ontological ... lexicon to the ontology is critical to 'the entire issue of LRs Representations of lexical meaning may be defined in terms of any number of ontological primitives, ca...

Ngày tải lên: 23/03/2014, 20:21

... 3GPP-LTE Therefore, we will focus on the maximizing energy efficiency problem in the downlink MIMO systems in this article Previous works mainly focused on maximizing energy efficiency in the single-input ... single-input single-output (SISO) systems [3–7] and point to point single user (SU) MIMO systems [8–10] In the uplink TDMA SISO channels, the optimal transmiss...

Ngày tải lên: 18/06/2014, 22:20

... 3GPP-LTE Therefore, we will focus on the maximizing energy efficiency problem in the downlink MIMO systems in this article Previous works mainly focused on maximizing energy efficiency in the single-input ... single-input single-output (SISO) systems [3–7] and point to point single user (SU) MIMO systems [8–10] In the uplink TDMA SISO channels, the optimal transmiss...

Ngày tải lên: 20/06/2014, 04:20

... mode switching between SU -MIMO and MU -MIMO was presented in [15-18] Maximizing the “Bits per-Joule” energy efficiency (BPJEE) in the downlink MIMO systems with imperfect CSIT is addressed in this ... increase the inter-user interference, in which the multiplexing gain makes transmit power saving, but inter-user interference induces transmit power wasting In order...

Ngày tải lên: 20/06/2014, 21:20

... thing, maximizing the NEE needs the global information in the cooperative multi-cell system but the users are difficult to get these global information to control their power cooperatively in the ... ICIC The increasing comes from two reasons The first one comes from the SINR improvement through exploiting the inter-cell interference and the second one comes from...

Ngày tải lên: 20/06/2014, 22:20

... nt Nt Antenna selection & Beamforming Nr Feedback nr RF Antenna selection & Beamforming Figure A 60 GHz MIMO system employing antenna selection and transmit/receive beamforming Once the antenna ... antenna selection and Tx/Rx beamforming for large-scale MIMO systems in 60 GHz channels EURASIP Journal on Wireless Communications and Networki...

Ngày tải lên: 21/06/2014, 01:20

... Networking encrypting a shared key ks between a service sensor and itself in secure channel establishment, decoding the keying information obtained from the associated service node in keying information ... the key bootstrapping procedure The In- Situ Key Establishment Framework Compared to the predistribution schemes, in- situ key establishment schemes distribute key...

Ngày tải lên: 21/06/2014, 20:20

Ngày tải lên: 14/11/2014, 06:38

... recent papers dealt with the optimal placement of sink nodes in multiple sink sensor networks [10] but not deal directly with routing issues One of the earliest cluster-based routing algorithms is ... Figure A Sensor Network with Multiple Sink Nodes Every sensor s initial energy is Einit and its residual energy is ERE The path is defined as {V1, V2, ……,Vi,...

Ngày tải lên: 14/04/2015, 13:22

... for efficient recovery in context of large- scale graph processing systems We explore the characteristics of large- scale graph processing systems, and construct a failure recovery model accordingly ... failure recovery in large- scale graph processing systems, extra efforts are taken in addition to the normal execution of the systems However, our...

Ngày tải lên: 01/10/2015, 17:28

... for efficient recovery in context of large- scale graph processing systems We explore the characteristics of large- scale graph processing systems, and construct a failure recovery model accordingly ... failure recovery in large- scale graph processing systems, extra efforts are taken in addition to the normal execution of the systems However, our...

Ngày tải lên: 05/10/2015, 19:02

... final as presented, with the exception of pagination CHEN et al.: EFFICIENT TAG SEARCH PROTOCOL IN LARGE- SCALE RFID SYSTEMS WITH NOISY CHANNEL TABLE IV PERFORMANCE COMPARISON OF TAG SEARCH PROTOCOLS, ... Li, and W Mao, “Efficient continuous scanning in RFID systems,” in Proc IEEE INFOCOM, 2010, pp 1–9 [44] V Sarangan, M R Devarapalli, and S Radhakrishnan, “A framework for...

Ngày tải lên: 03/11/2015, 21:21

... knowledge, energy efficient tag searching in large scale RFID systems has not been thoroughly investigated, and it remains a challenging problem To fill in this gap, we study the tag searching problem ... logistics industry, and inventory control in retailing industry Although there are some prior studies on improving time efficiency of tag searching, energy efficienc...

Ngày tải lên: 03/11/2015, 21:22