[ { "key": "68MM62DE", "version": 31, "library": { "type": "group", "id": 603121, "name": "tvws", "links": { "alternate": { "href": "https://www.zotero.org/groups/tvws", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/603121/items/68MM62DE", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/tvws/items/68MM62DE", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/603121/items/7KVEMHZZ", "type": "application/json" } }, "meta": { "createdByUser": { "id": 3299284, "username": "rmurali7", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/rmurali7", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "68MM62DE", "version": 31, "parentItem": "7KVEMHZZ", "itemType": "attachment", "linkMode": "imported_file", "title": "Reuse of GSM White Space Spectrum for Cognitive.pdf", "accessDate": "", "url": "", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Reuse of GSM White Space Spectrum for Cognitive.pdf", "md5": "a9e5ff9a6c617ae703883314f576b133", "mtime": 1472524085551, "tags": [], "relations": {}, "dateAdded": "2016-08-30T02:38:21Z", "dateModified": "2016-08-30T02:38:21Z" } }, { "key": "7KVEMHZZ", "version": 29, "library": { "type": "group", "id": 603121, "name": "tvws", "links": { "alternate": { "href": "https://www.zotero.org/groups/tvws", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/603121/items/7KVEMHZZ", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/tvws/items/7KVEMHZZ", "type": "text/html" } }, "meta": { "createdByUser": { "id": 3299284, "username": "rmurali7", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/rmurali7", "type": "text/html" } } }, "creatorSummary": "S. Sankaranarayanan and A. Mishra", "parsedDate": "2005", "numChildren": 1 }, "data": { "key": "7KVEMHZZ", "version": 29, "itemType": "conferencePaper", "title": "A bandwidth sharing approach to improve licensed spectrum utilization.", "creators": [ { "creatorType": "author", "firstName": "P. Papadimitratos", "lastName": "S. Sankaranarayanan" }, { "creatorType": "author", "firstName": "S. Hershey", "lastName": "A. Mishra" } ], "abstractNote": "The spectrum of deployed wireless cellular communication systems is found to be under-utilized, even though licensed spectrum is at a premium. To efficiently utilize the bandwidth left unused in a cellular system, which we denote as the\nprimary system (PRI), we design a system with an ad hoc overlay\nnetwork, which we denote as the secondary system (SEC). The basic design principle is that the SEC operates in a nonintrusive manner and does not interact with the PRI. We develop the AS-MAC, an Ad hoc SEC Medium Access Control protocol to enable the interoperation of the PRI-SEC system. We address a number of technical challenges pertinent to this networking environment, and evaluate AS-MAC. Our performance evaluation\nresults show that, in a single-hop ASN, the AS-MAC transparently\nutilizes 75% of the bandwidth left unused by the PRI, while, in multi-hop ASNs, due to spatial reuse, the AS-MAC can utilize up to 180% of the idle PRI resources.", "proceedingsTitle": "New Frontiers in Dynamic Spectrum Access Networks", "conferenceName": "IEEE International Symposium", "publisher": "", "place": "", "date": "2005", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2016-08-30T02:38:11Z", "dateModified": "2016-08-30T02:38:11Z" } }, { "key": "FGDUPJXB", "version": 28, "library": { "type": "group", "id": 603121, "name": "tvws", "links": { "alternate": { "href": "https://www.zotero.org/groups/tvws", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/603121/items/FGDUPJXB", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/tvws/items/FGDUPJXB", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/603121/items/BD9HXHWJ", "type": "application/json" } }, "meta": { "createdByUser": { "id": 3299284, "username": "rmurali7", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/rmurali7", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "FGDUPJXB", "version": 28, "parentItem": "BD9HXHWJ", "itemType": "attachment", "linkMode": "imported_file", "title": "Reuse of GSM White Space Spectrum for Cognitive.pdf", "accessDate": "", "url": "", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Reuse of GSM White Space Spectrum for Cognitive.pdf", "md5": "a9e5ff9a6c617ae703883314f576b133", "mtime": 1472524085551, "tags": [], "relations": {}, "dateAdded": "2016-08-30T02:33:24Z", "dateModified": "2016-08-30T02:33:24Z" } }, { "key": "BD9HXHWJ", "version": 26, "library": { "type": "group", "id": 603121, "name": "tvws", "links": { "alternate": { "href": "https://www.zotero.org/groups/tvws", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/603121/items/BD9HXHWJ", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/tvws/items/BD9HXHWJ", "type": "text/html" } }, "meta": { "createdByUser": { "id": 3299284, "username": "rmurali7", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/rmurali7", "type": "text/html" } } }, "creatorSummary": "K. Chebrolu", "parsedDate": "2007", "numChildren": 1 }, "data": { "key": "BD9HXHWJ", "version": 26, "itemType": "conferencePaper", "title": "On the Feasibility of the Link Abstraction in (Rural) Mesh Networks", "creators": [ { "creatorType": "author", "firstName": "B. Raman", "lastName": "K. Chebrolu" } ], "abstractNote": "Outdoor community mesh networks based on 802.11 have seen tremendous growth in the recent past. The current\nunderstanding is that wireless link performance in these settings in inherently unpredictable, due to multipath delay spread. Consequently,\nresearchers have focused on developing intelligent routing techniques to achieve the best possible performance. In this paper, we are specifically interested in mesh networks in rural locations. We first present detailed measurements to show that the PHY\nlayer in these settings is indeed stable and predictable. There is a strong correlation between the error rate and the received signal strength. We show that interference, and not multipath fading, is the primary cause of unpredictable performance. This\nis in sharp contrast with current widespread knowledge from prior studies. Furthermore, we corroborate our view with a fresh analysis of data presented in these prior studies. Based on our results, we argue that outdoor rural mesh networks can indeed\nbe built with the link abstraction being valid. This has several design implications, and opens up a fresh perspective on a wide range of technical issues in this domain.", "proceedingsTitle": "", "conferenceName": "NSDR", "publisher": "", "place": "", "date": "2007", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2016-08-30T02:33:12Z", "dateModified": "2016-08-30T02:33:12Z" } }, { "key": "FPR8ZKTX", "version": 25, "library": { "type": "group", "id": 603121, "name": "tvws", "links": { "alternate": { "href": "https://www.zotero.org/groups/tvws", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/603121/items/FPR8ZKTX", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/tvws/items/FPR8ZKTX", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/603121/items/P5D8GGKH", "type": "application/json" } }, "meta": { "createdByUser": { "id": 3299284, "username": "rmurali7", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/rmurali7", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "FPR8ZKTX", "version": 25, "parentItem": "P5D8GGKH", "itemType": "attachment", "linkMode": "imported_file", "title": "Reuse of GSM White Space Spectrum for Cognitive.pdf", "accessDate": "", "url": "", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Reuse of GSM White Space Spectrum for Cognitive.pdf", "md5": "a9e5ff9a6c617ae703883314f576b133", "mtime": 1472524085551, "tags": [], "relations": {}, "dateAdded": "2016-08-30T02:28:10Z", "dateModified": "2016-08-30T02:28:10Z" } }, { "key": "P5D8GGKH", "version": 23, "library": { "type": "group", "id": 603121, "name": "tvws", "links": { "alternate": { "href": "https://www.zotero.org/groups/tvws", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/603121/items/P5D8GGKH", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/tvws/items/P5D8GGKH", "type": "text/html" } }, "meta": { "createdByUser": { "id": 3299284, "username": "rmurali7", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/rmurali7", "type": "text/html" } } }, "creatorSummary": "L. Yin et al.", "parsedDate": "2012", "numChildren": 1 }, "data": { "key": "P5D8GGKH", "version": 23, "itemType": "conferencePaper", "title": "Reuse of gsm white space spectrum for cognitive femtocell access", "creators": [ { "creatorType": "author", "firstName": "K. Wu", "lastName": "L. Yin" }, { "creatorType": "author", "firstName": "S. Li", "lastName": "S. Yin" }, { "creatorType": "author", "firstName": "", "lastName": "L. M. Ni" } ], "abstractNote": "Nowadays, cyber-physical system (CPS) relies on wireless networks for devices control and information backhaul. But the mass deployment CPS devices make operators’ spectrum\nscarce situations even more worse. Hence, cellular network operators\nanticipate the Dynamic Spectrum Access (DSA) technology to solve the spectrum shortage problem in the context of cognitive radio (CR). Femtocells, acting as gateways in CPS, integrate CPS devices into cellular networks in a seamless manner. The concept of cognitive femtocell can solve the spectrum congestion problem even within a massive network on the CPS scale.\n\nHowever, in practical systems, cellular white space spectrum\nshould be quantitatively measured to guide cognitive femtocell access algorithms design. We are the first to conduct a comprehensive measurement study for the purpose of measurement,\ndiscovery and model features of GSM white space spectrum. We evaluate availabilities of extra 21.4 MHz capacity in GSM white space spectrum as a reason of artificial GSM network spectrum planning. In our study, we find out that perfect results can hardly be obtained because of inherent measurement trade-offs, even when extremely high sweep speed of 16 GHz/s is applied at the receiver. Based on statistical analysis of real-scene traces, we propose an Efficient Duty Cycle (EDC) model to accurately characterize the white space in GSM network by considering missdetection\nprobabilities. Cross-validating evaluation results show that the EDC model can well decrease interference probabilities at high time-granularity measurement periodicity scenarios. Our\nresults confirm the feasibility of cognitive femtocells access in an intra-operator scenario and can be applied to future wireless networks.", "proceedingsTitle": "Proceedings of the 2012 IEEE 18th International Conference on Parallel and Distributed Systems", "conferenceName": "IEEE Computer Society", "publisher": "", "place": "", "date": "2012", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2016-08-30T02:27:46Z", "dateModified": "2016-08-30T02:27:46Z" } }, { "key": "GZQ9I8BF", "version": 22, "library": { "type": "group", "id": 603121, "name": "tvws", "links": { "alternate": { "href": "https://www.zotero.org/groups/tvws", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/603121/items/GZQ9I8BF", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/tvws/items/GZQ9I8BF", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/603121/items/5BP8D64J", "type": "application/json" } }, "meta": { "createdByUser": { "id": 3299284, "username": "rmurali7", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/rmurali7", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "GZQ9I8BF", "version": 22, "parentItem": "5BP8D64J", "itemType": "attachment", "linkMode": "imported_file", "title": "GSM_Whitespace An Opportunity for Rural.pdf", "accessDate": "", "url": "", "note": "", "contentType": "application/pdf", "charset": "", "filename": "GSM_Whitespace An Opportunity for Rural.pdf", "md5": "93a36a9ab976e0c87c3a4fda80fcbb4f", "mtime": 1472523727752, "tags": [], "relations": {}, "dateAdded": "2016-08-30T02:22:09Z", "dateModified": "2016-08-30T02:22:09Z" } }, { "key": "5BP8D64J", "version": 20, "library": { "type": "group", "id": 603121, "name": "tvws", "links": { "alternate": { "href": "https://www.zotero.org/groups/tvws", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/603121/items/5BP8D64J", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/tvws/items/5BP8D64J", "type": "text/html" } }, "meta": { "createdByUser": { "id": 3299284, "username": "rmurali7", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/rmurali7", "type": "text/html" } } }, "creatorSummary": "S. Hasan et al.", "parsedDate": "2014", "numChildren": 1 }, "data": { "key": "5BP8D64J", "version": 20, "itemType": "conferencePaper", "title": "Gsm whitespaces: An opportunity for rural cellular service", "creators": [ { "creatorType": "author", "firstName": "K. Heimerl", "lastName": "S. Hasan" }, { "creatorType": "author", "firstName": "K. Ali", "lastName": "K. Harrison" }, { "creatorType": "author", "firstName": "A. Sahai", "lastName": "S. Roberts" }, { "creatorType": "author", "firstName": "", "lastName": "E. Brewer" } ], "abstractNote": "The GSM network is the largest network on Earth, providing vital communications service to billions of people. Yet hundreds of millions of people live outside coverage of existing cellular providers. Recently, researchers have demonstrated a\nnew model of cellular connectivity, community cellular, that has the potential to bring coverage to extremely rural populations. Although the total capital costs for these networks (