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CPSC 689: Discrete Algorithms for Mobile and Wireless Systems Spring 2009 Prof. Jennifer Welch.

2008 slides Discrete Algs for Mobile Wireless Sys3 Wireless Computing Vision  Future of computing includes portable computers wireless communication  Why portable computers? Many devices are designed/ for analysis and simulation: get general idea of algorithms’ behavior, in some ideal cases Discrete Algs for Mobile Wireless Sys17 Physical Layer: Multiplexing  /of frequency to sender is inflexible and limits number of senders Discrete Algs for Mobile Wireless Sys19 Physical Layer: Multiplexing  Time /


MDTV Deployment and Trend Director of Sales & Marketing

The Chinese equivalent for DVB-T, targeted for home and portable digital TV services, but will be applied to mobile also Allegedly outperforms DVB-T in terms of the minimum required/ TV and (have a good idea) how to make money out of it. The leader in this trend is VF Germany, but T-Mobile and others are expected to follow/ Cellular Operators: All (NTT DoCoMo, KDDI, SoftBank Mobile) Every 1 of out 2 phones has ISDB-T 1-Seg inside, with the overall number of subs crossing the 10-12M mark Frequency: UHF /


Porting Process of number portability Porting Process of number portability Process of Porting process involves ◦ closure of the account with the donor.

Update Routing Info NPG-A NPG-B List of LRNs for Karnataka LSA BSNL,Karnataka Bharti Airtel Limited3002 Idea/Spice3205 Vodafone Essar Cellular Ltd.4121 Bharat Sanchar Nigam Ltd.(GSM)2490 Aircel Ltd.2105 Reliance Communications Ltd.(/)2701 Reliance Communications Ltd. (CDMA)3117 Tata Teleservices Ltd.(CDMA)3445 Glossary MNP: Mobile Number Portability NPG: Number Portability Gateway MCHA: MNP Clearing House Administrator UPC: Unique Porting Code CAF: Customer Application Form RNO: Recipient Operator DNO: /


NCC MEDICAL. Company Profile Date of establishment NCC Medical was established in 1997. Number of employees At present, NCC Medical has total 300 employees,

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Mobile Communication and Mobile Computing

Local Networks FT.. Fixed Radio Termination PT.. Portable Radio Termination PA... Portable Terminations HDB.. Home Data Base VDB.. Visitor Data/Idea: introduction of temporary/ actual IP-addresses (also “care-of-address”, COA); mapping of permanent to temporary IP-addresses using localization technique Requirements to MobileIP according to IETF Transparency: mobile/): transmits user information such as, for instance, MSN (Mobile Subscriber Number) to i-Mode-Server NWMP (Network Management Protocol): performs/


Yolande Berbers DistriNet, taskforce “embedded systems”

portability or platform-independence) Any other MOM platform-specific design design design alternatives design methodologies addressing these problems Overview characteristics of problem domain: embedded systems and mobile/ in just one place not even in a small number of places The prism analogy                                                                                               Copyrigth © Ramnivas / originally designed for the “consumer electronics market” idea of byte-code code had to be very /


Wireless vs. mobile S-72.3240 Wireless Personal, Local, Metropolitan, and Wide Area Networks1 Contents WLAN vs. 2G/3G Performance, roaming, mobility, security...

. 2G/3G Performance, roaming, mobility, security... Services in WLAN vs. 2G/3G Web browsing, VoIP, email, messaging Location based services Unlicensed Mobile Access (UMA) Basic idea and UMA architecture Wireless vs. mobile S-72.3240 Wireless Personal, / to another. Additional features (mobility, security) that involve cooperation between network operators or service providers are usually supported, due to roaming agreements between these operators or service providers. Portability means that it is possible /


Rory McGreal Mobile device enabled open access learning objects: A case study Merlot Conference New Orleans August 2007.

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Part I Introduction to Wireless & Mobile Computing

MOBILE COMPUTING Cont. Mobile computing is used in different contexts with different names. The most common names are: Mobile Computing: The computing environment is mobile and moves along with the user. This is similar to the telephone number of a GSM (Global System for Mobile/ environment. User will be able to use both local and remote services. MOBILE COMPUTING Cont. Global Service Portability: Making a service portable and available in every environment. Any service of any environment will be available/


PROFILE: Helen Marshall has a track record in collaborative and socially engaged public art projects. She has worked in partnership with a number of organisations.

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Www.imdc.net Independent Analysis of In-Flight Portable Media Players Walé Adepoju – CEO Thursday 24th May 2007 www.imdc.net.

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Computer Systems Intermediate 2 Revision. Data Representation Represent positive numbers in binary using examples up to and including eight bits Represent.

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New Approaches to Mobile Code: Reconciling Execution Efficiency with Provable Security Michael Franz University of California, Irvine February 2001 UC.

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Mobile Computing www.powerpointpresentationon.blogspot.com.

should I do next? Research Issues in Mobile Computing Wireless Communications – Quality of connectivity – Bandwidth limitations Mobility – Location transparency – Location dependency Portability – Power limitations – Display, processing,/: spin-down disk drives Putting It All Together: Concepts in Mobile Computing Identification – Subscriber mobility: 700 phone number – Terminal mobility: mobile phone # or IP address – Application mobility Registration – Authentication: who are you? – Authorization: what can/


Scratch-it. Agenda Introduction Team member Website Product Design WBS chart Product idea Market Shortcomings of Existing and Competing Products Market.

Product Idea Current Difficulties During Phone call Your messy bag Grocery Even in your palm skin Product Idea No /used without pens Easy to be forgotten No self-reminding mechanism Mobile Phones: how we use them Portable wireless telephone terminals – Phone calls/short messages – Personal digital/ Kinds Mobile(*)/ handheld computers(*)/ laptop(***) Mobile(*)/ handheld computers(*)/ laptop(**) Mobile(**)/ handheld computers(* *) Note: 1 、 like in a street/ on a call/ in a speech/ etc. 2 、 the number of /


A SSESSING E YE -T RACKING T ECHNOLOGY FOR L EARNING -S TYLE DETECTION IN A DAPTIVE G AME -B ASED L EARNING Tracey J. Mehigan Ian Pitt IDEAS Research Group,

A DAPTIVE G AME -B ASED L EARNING Tracey J. Mehigan Ian Pitt IDEAS Research Group, Dept. of Computer Science, UCC 1 I NTRODUCTION Background Adaptive /environments Learning-style models classify students according to where they fit on a number of scales depending upon how they process and receive information Learning Style & /way M OBILE L EARNING M OBILE GBL Mobile learning decreases limitation of learning location with the mobility of general portable devices Mobile GBL is usually Situated and Ubiquitou s “/


Developments in Ireland regarding Researcher Careers and Mobility Outline of Presentation Introduction to Irish Research System Position relating to Action.

class research system Drive growth through research and innovation in enterprise Capture, protect and commercialise ideas and knowhow Ensure sound foundations in education Focussed research in Agriculture, Food, Health, Environment/office) –Portability of individual grants in certain circumstances –International portability still to be addressed SSTI – Researcher Mobility Sufficient numbers of researchers essential Required numbers will not be delivered internally We need to attract substantial numbers of /


World War II Question of the Day Number Two Daniel W. Blackmon IB HL History Coral Gables Sr. High.

The Fall of France: Allied Strategy The basic idea was to mass the best Anglo-French divisions behind Belgium /his mobile forces on the road into Belgium to meet the German thrust. French commander Maurice Gamelin puts his mobile forces/: Why? "Hitlers armies were actually inferior in numbers to those opposing them. Although his tank drives proved decisive, he/ fraction comprised ten armored divisions, one parachute division, and one air-portable division... out of a total of some 135 divisions which he had/


SmartSaver: Turning Flash Drive into a Disk Energy Saver for Mobile Computers Feng Chen 1 Song Jiang 2 Xiaodong Zhang 1 The Ohio State University, USA.

Active State Idle State Standby State Flash Drive is Low Energy Device A portable storage device for almost every mobile computer user on the road Features  Low cost  Compact size / the low-cost and low energy flash drive to save disk energy Main idea SmartSaver uses flash memory to cache and prefetch disk data to be reused / related system calls, e.g. read().  Collected info: PID, file descriptor, inode number, offset, size, type, timestamp, and duration  Blocks of traced files are sequentially mapped/


Building the Next Generation Mobile Network Vision & Blue Print Towards a SMART Broadband Caribbean Community Vincent T Spinelli Managing Director, Mobile.

Mgmt CFO Gate On Hold Go Network/IT Feasibility study phase : 3-4 months Less than 30% of new ideas are ‘approved’ and go to market New organizational process Empowering Service Providers to create revenue-generating services with the/trends Online and Historical usage trends APIs are building blocks for digital services Airtime top up Data roaming Device configuration Mobile money Number portability Prioritization QoS RCS service APIs SIM / UICC APIs Voice / video calling APIs are how customers get to your /


Chapter 10 – Wireless LANs

802 committee!! Wireless communications compelling Easy, low-cost deployment Mobility & roaming: Access information anywhere Supports personal devices PDAs/ then retransmits Receiving stations use sequence numbers to identify duplicate frames Point Coordination / timestamp beacon frame random delay Power management Idea: switch the transceiver off if not needed/A convenient, untethered means to interconnect electronic devices Examples: portable phones, PDAs, laptops, desktops, digital cameras, fax machines/


Mobile IP, and Micro Mobility

Mobile IP ? (I) Background IPv4 routing considerations Internet explosion increasing the mobile workforce, and mobile users increased reliance on networked computing prevailing the portable/Handoff (I) [11] Anchor handoff proposes a number of enhancements to ease local registration and global indirect /Mobility (I) Mobile IP WG is in the process of consolidating all contributions with the idea of having one standard its filtering strategy is to eliminate any proposals that did not support tunneling and Mobile/


Orange Labs Mobile cloud computing workshop Möller Centre Cambridge 6 January 2010 Workshop output document Date 13 January 2010 DRAFT.

– your contact database is self-updating when your contacts change their phone numbers Who controls the updating? Should such updating have a memory that allows old/ data’ question Micropayments? (Using the Orange account as a source of payments) SERVICE IDEAS An app to tell me “where are the rich people?” Location-based service with/wins) 4The ‘Mobility’ question Is a laptop a device for mobile cloud? –It doesn’t have a SIM card – but could have a ‘dongle’ –May not be located –But it is portable –It doesn’t/


OHT 1.1 © Pearson Education Limited 2005 Geoffrey Elliott and Nigel Phillips: Mobile Commerce and Wireless Computing Systems, First Edition Definitions.

. As well as capability to locate a mobile phone user, a number of mobile phone manufacturers are embedding technology within handsets to enable users to access specific locations. OHT 1.15 © Pearson Education Limited 2005 Geoffrey Elliott and Nigel Phillips: Mobile Commerce and Wireless Computing Systems, First Edition Untethered Mobile Internet Portability (i.e. it can be carried anywhere) Mobility (i.e. it can be used anywhere/


2008 Suburban Silver Bullet: PRT Shuttle + Digital Mobility for SRP Steve Raney, Cities21 –Palo Alto native –Research & advocacy.

HP & Engineering Dean Terman created cooperative competition atmosphere. steve_raney@cities21.org Full Scale Model Fake guideway: lightweight, portable, shippable –Tent truss with ribs (& sock) on sonotube + base –Design challenge – tradeshow booth Visual impact/office parks: 20K workers –PRT Shuttle + Digital Mobility 2) MS Arterial Sweep for short commutes –Casual carpooling, Electric bikes, Wireless Hope ideas spur variations & out of box ideas Steve Raney, Cities21. steve_raney@cities21.org TDM /


Portable SSH Brian Minton EKU, Dept. of Technology, CEN/CET)‏

from any computer on your home network to your flash drive 4 5 INTRODUCTION A portable network connection to home could be useful to a number of people in a number of ways: Business Traveling business men who need access to network files via a / have learned a good deal about remote access. The world is becoming more mobile everyday and working on this project helped me to realize the benefits of incorporating ideas of being portable into networking. 17 FUTURE WORK There are many things that I would like to/


Chapter 1 Programming and Mobile Development Platform 说 明: 1. 词汇后的 [1][2][4][5] 等为相应词语释义 2. 词汇后的 [z1][z2][z3][z4] 等为相应词汇背景知识注 释 3. 带下划线的句子后面的 [i][ii][iii][iv]

development of personal computers, which now number in the hundreds of millions worldwide[i/[z1] 由编码器 COder 和译码器 DECoder 两词的词头组成的 缩略语,指数字通信中具有编码、译码功能的器件,能 有效减少数字存储占用的空间,一般用在视频会议、流 媒体、视频应用等场合。 (6) Portability across a wide range of current and future hardware: All your programs/ ,效率更高,可以支 持已转换为.dex 格式的 Java 应用程序的运行。 Android offers a fresh take on the way mobile applications interact with users, along with the technical underpinnings[1] to make it / as NetBeans and JetBrains IDEA is available from their /


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Considerations and Documentation of AT in the IEP

appropriate public education. Medical devices are not included. IDEA 20, USC, Ch 33, Section 1401 (25)/SUPPLEMENTAL SERVICES EXAMPLES Shaunda will have access to a portable word processor for all note taking in her general / will be provided as needed. Simplified curriculum (limit the number of concepts, knowledge, or skills to be mastered and assessed/Studying/ Organizational Skills Listening Oral Communication Seating/Positioning/ Mobility Daily Living Activities Recreation and Leisure Pre-vocational and /


Interaction Techniques with Mobile Devices Jingtao Wang March 6th, 2006 Guest Lecture for CS160.

- horizontal and vertical movements, rotational movements and tilt movements. Input Techniques for Mobile Devices Pointing Sensor Augmented Input Text Input (Virtual) Keyboard Input Handwriting Input Speech Input Marker Based Input (Virtual) Keyboard Input How to Make QWERTY Keyboards Portable ? Break Making QWERTY Keyboards Portable Reducing the Absolute Size Reducing the Number of Keys Making Keyboards Foldable Projective Keyboard From http://www.vkb-tech.com/


Confidential. The industry now accepts the idea of cablefree, but: Waiting for one system to emerge. WAITING FOR UNIVERSAL (NON-NICHE SYSTEM). Successful.

now accepts the idea of cablefree, but/ trigger accuracy to +/- one microsecond. Mesh Radio Network (MRN) used during deployment to assign channel number and during recording to check status of SAU, geophones, battery (QC functions). Cable-less no longer/ to CCU or pass-by download) Combined Harvester (office-based) Portable Mass Harvester (truck-based) * PC-based Mobile Harvester (man-portable) * Data Mini-Transporter (man-portable). * Download DURING acquisition! iSeis Sigma: Sigma master mode Impulsive /


Wireless LANs: and Mobile IP

must be built from basic coverage blocks Impact of handling mobile (and portable) stations Propagation effects Mobility management Power management IIT Bombay ICPWC02 Infrastructure vs. Ad hoc/choosing cw large cw leads to larger backoff intervals small cw leads to larger number of collisions Binary Exponential Backoff in DCF: When a node fails to receive/ timestamp beacon frame random delay IIT Bombay ICPWC02 802.11 - Power management Idea: switch the transceiver off if not needed States of a station: sleep /


Mobile Communications Chapter 7: Wireless LANs

lifetime based on packet lifetime, waiting time in a sender and number of hops to the receiver, the packet is assigned to one/SS05 7.89 Freie Universität Berlin Institut of Computer Science Bluetooth Mobile Communications 2002 Idea Universal radio interface for ad-hoc wireless connectivity Interconnecting computer and peripherals,/Security Low power consumption Low cost Designed to meet the demanding requirements of portable consumer imaging and multimedia applications Prof. Dr.-Ing. Jochen Schiller, http:///


CSE 477 Project Ideas January 20, 2009. Project Idea Pitches Two (or at most three ppt slides) Components – Basic problem that is being addressed – Overview.

accurate Evaluation: Collect data on number of porter deaths/accidents each year, interview porters on usability and provided functionality Other ideas: Calculator, photos, weather /translation – Deaf-targeted UI for education and communication What to build: – Cheap portable DVD player – Robust video phones that can be used with local telephone connections /by comparing the signs used in various regions. Danny Anderson Mobile marketplace Mobile Marketplace Sunil Garg Rural Mapping Problem: NGOs are not able /


Discovery Login credentials Identity Given/family name User name(s) Assigned number(s) (e.g., governmental).... Addressing snail mail address email address.

Sharing") Threaded discussions (e.g., bulletin board; includes "Idea Generation / Jam") Alerts / Notifications Collaboration / Newsfeed /number(s) (e.g., governmental).... Addressing snail mail address email address URI Profile Profile page ?? Profile data hCard vCard ActivityStreams Portable Contacts OpenSocial Presence Location Skills Social Graph Groups Contacts Portable/Mobile Browser Technical foundations Content structures Wiki Blog HTML+ Microblog Data structures JSON Activity Streams Portable/


Prof. Dr.-Ing. Jochen Schiller, SS057.1 Mobile Communications Chapter 7: Wireless LANs  Characteristics  IEEE 802.11.

496 bit each  for higher velocities of the mobile terminal (> 1.4 m/s) the maximum number of frames has to be reduced Modulation  GMSK/ Dr.-Ing. Jochen Schiller, http://www.jochenschiller.de/MC SS057.83 Bluetooth Idea  Universal radio interface for ad-hoc wireless connectivity  Interconnecting computer and / Low power consumption  Low cost  Designed to meet the demanding requirements of portable consumer imaging and multimedia applications Prof. Dr.-Ing. Jochen Schiller, http://www.jochenschiller/


A Generic Resolution Architecture to Support Arbitrary Naming Schemes: A Focus on Mobility Eunsang Cho, Jaeyoung Choi, Ted “Taekyoung” Kwon, Yanghee Choi.

focus on how to locate mobile entities. A digital file moving from one computer to another A contact point of a moving user with a portable device Taxis that are /in 2010. –However, we believe this number should be raised as the number of mobile entities increases. MMLAB, SNU22 Number of Resolution Entries The number of resolution entries represents how many routing /identifier of an entity to the locator of the entity. –The central idea of the HIT is to construct virtual trees among routers to relay mapping /


Discovery Login credentials Identity Given/family name User name(s) Assigned number(s) (e.g., governmental).... Addressing snail mail address email address.

Sharing") Threaded discussions (e.g., bulletin board; includes "Idea Generation / Jam") Alerts / Notifications Collaboration / Newsfeed /number(s) (e.g., governmental).... Addressing snail mail address email address URI Profile Profile page ?? Profile data hCard vCard ActivityStreams Portable Contacts OpenSocial Presence Location Skills Social Graph Groups Contacts Portable/Mobile Browser Technical foundations Content structures Wiki Blog HTML+ Microblog Data structures JSON Activity Streams Portable/


MSc Mobile Computing Systems 1 Professor Rolando Carrasco BSc(Hons), PhD, CEng, FIEE

example Paging System 11 Cordless Fully duplex, using a radio channel to connect a portable handset to a dedicated Base Station. Connected to fixed network via a specific telephone number Connection over short distances –1G cordless = few metres –2G cordless, DECT = few hundred metres 12 Mobile Adhoc Network (MANET) Mobiles communicate bouncing off each other. They are not fixed to using a BS to/


Custom Trend Dashboard

Tech: 800 Ideas / Month 800 / Month 35,000 Ideas 300 Pro Trends 120,000 Images 3,000 videos Social Media Retail Tech Gamification Mobile Strategy Combo/ Gamified shopping keeps customers hooked & coming back for more Implications - An increasing number of websites are gamifying shopping, which, psychologically, can cause buying addiction. These sites/Edible Insect Sushi Sweet Sushi Playthings Rice Roll-Making Machines The Wakasu Portable Sushi Maker Molds Homemade Meals into Fun Ento Uses Creative Branding to/


Mobile Communications Chapter 7: Wireless LANs

lifetime based on packet lifetime, waiting time in a sender and number of hops to the receiver, the packet is assigned to one/SS02 7.79 Freie Universität Berlin Institut of Computer Science Bluetooth Mobile Communications 2002 Idea Universal radio interface for ad-hoc wireless connectivity Interconnecting computer and peripherals,/Security Low power consumption Low cost Designed to meet the demanding requirements of portable consumer imaging and multimedia applications Prof. Dr.-Ing. Jochen Schiller, http:///


Course Project Book (Mobile Computing and Wireless Networks) CS 395T – Spring 2002 Course Instructor: Dr. Yongguang Zhang Course URL:

Challenges Faced, Lessons Learnt  Modifications to legacy applications  Maintaining portability  Implementation & Integration  32-bit IP insufficient for unique /comparison with base AODV –Used Different mobility patterns of pause time and speeds New Ideas  Using signal strength values to /number of source nodes and traffic rate), mobility (pause time, speed).  Matrices: Packet delivery rate vs. traffic load, packet loss rate vs. mobility, network lifetime vs. traffic load, network lifetime vs. mobility/


Introduction. 2 Historical Notes 2007 iPhone changed what people expected from a mobile phone 2009iPad created the tablet market Platform fragmentation.

number of distinct operating systems OSX – Android - Linux Intermittent connection to a network Location aware – optional but a large market Information available from built in sensors Device is not operated from a static position laptop is portable/ manipulating web pages jQueryMobile – framework which extends jQuery specifically for mobile apps. Description of the framework structure – not a language class – ideas for practice in the workshops Considerations for performance optimisation 1 Introduction 10/


INTEL CONFIDENTIAL, FOR INTERNAL USE ONLY 1 Focus 2013: Mobile Learning.

number of Mobile Scenarios through teacher contributions and networking in Teachers Engage Community –Run monthly competition for new scenarios to publish –Offer Mobile Learning webinars to provide more content back to web, engage, and the Elements course Tablet Learning F2F course (tomorrow’s agenda) Intel ® Education Programs Apps for K-12 Education Intel ® Education Programs Intel ® Education Mobile Scenarios for K-12 Teachers find ideas/


Mobile Communications Chapter 7: Wireless LANs

lifetime based on packet lifetime, waiting time in a sender and number of hops to the receiver, the packet is assigned to one / direct link Freie Universität Berlin Institut of Computer Science Bluetooth Mobile Communications 2002 Idea Universal radio interface for ad-hoc wireless connectivity Interconnecting computer and /Security Low power consumption Low cost Designed to meet the demanding requirements of portable consumer imaging and multimedia applications Prof. Dr.-Ing. Jochen Schiller WPAN: IEEE/


Securing Mobile Devices Security Professionals 2011 Preconference Seminar 8:30-12:00, Monday, April 4 th, 2011 Bonham D/Third Level, Grand Hyatt, San Antonio.

of devices, and this gets harder (and more expensive!) as the number of mobile devices you support increases. It’s crazy to try to keep “one/ may be using these devices. 56 What About Student Mobile Devices? Same idea: if you have a discounted/subsidized/required mobile device purchase program for students, you may be able to/mobile devices? If so, did you come up with any solutions? 8. Secure Mobile Environment Portable Electronic Devices (SME PEDs) (“Government Style” Secure Smartphones) 64 65 Sure Mobile /


Mobile Communications Chapter 7: Wireless LANs  Characteristics  IEEE 802.11  PHY  MAC  Roaming .11a, b, g, h, i …  HIPERLAN  Standards overview.

496 bit each  for higher velocities of the mobile terminal (> 1.4 m/s) the maximum number of frames has to be reduced Modulation  GMSK/ downlink UDCHDCCHLCCHASCH SCHLCHRCH uplink UDCHUBCHUMCH LCH DCCHRBCH SCH LCCH direct link Bluetooth Idea  Universal radio interface for ad-hoc wireless connectivity  Interconnecting computer / Low power consumption  Low cost  Designed to meet the demanding requirements of portable consumer imaging and multimedia applications WPAN: IEEE 802.15 – future developments 2 802/


Revision of Unit A3 Hazards Part 1. 2 The next 4 weeks: Hazards Key idea 1: Some places are more hazardous than others. Key idea 2: Hazards have an impact.

and recording weather data (fieldwork opportunity). 4 Hazards Week 2: Key idea 2: Hazards have an impact on people and the environment.  Essential/eruptions is becoming increasingly sophisticated. There are a number of tools which show when an eruption is /travelling and at base location (minimum 72hours). Include a portable radio, torch and spare batteries, spare clothing and /with seed and fertiliser to enable families to establish mobile gardens. Other development projects recently launched in Haiti /


China Mobile Leader’s Programme Mobile Technology Jon Crowcroft +gmail, hotmail +441223763633.

level is activities & relationships Nodal level is processing and storage World level is location and context Idea is… To allow mobile (compact/portable) representation of your activities and relationships (0wned by ou) Roam across arbitrary nodes in environment/Short Duration: III: Stranger Low Frequency – Short Duration: IV: Friend Low Frequency - High Duration: Contact Duration Number of Contact III IIIIV 43 Betweenness Centrality MIT Cambridge Frequency of a node that falls on the shortest path between /


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