...Optimal Power Allocation and Scheduling for Two-Cell Capacity Maximization ∗ Dept. Anders Gjendemsjø∗, David Gesbert†, Geir E. Øien∗ , and Saad G. Kiani† of Electronics and Telecom., Norwegian Univ. of Science and Technology, 7491 Trondheim, Norway, Email: {gjendems, oien}@iet.ntnu.no † Mobile Communications Department, Institute Eur´ com, e 06560 Sophia-Antipolis, France, Email: {gesbert, kiani}@eurecom.fr maximize the network capacity for the case of individual link power constraints [8] and a sum power constraint [9]. In [10] it is assumed that each base station, when it transmits, transmits with maximum power Pmax . Which base stations that should be active at each time slot is decided according to a rate maximization objective. However, no proof of optimality is given for the on/off power allocation. In [11] transmit power allocation for a downlink two-user interference channel is studied under a sum transmit power constraint and the assumption of symmetric interference. The derived power allocation depends on the level of interference; when the inference is above a certain threshold the total power is allocated to the best user. For interference less than the threshold, the available power is divided among the two users according to a water-filling principle. However, due to the sum power constraint and symmetry of interference assumption these results are not readily applicable for two-cell power allocation, where it is more reasonable to assume individual power constraints...
Words: 4991 - Pages: 20
...Team 3 National Cranberry Cooperative Analysis and recommendations 1. 2. The resource with least capacity determines the maximum long-term achievable throughput rate. Because wet and dry berries follow different routes at RP#1 there will be a maximum achievable throughput for each. The capacity of the dryers is the bottleneck for the wet berries. The maximum throughput for wet berries is 600 bbls/hr. For dry berries the separation process is the bottleneck. The maximum throughput for dry berries is 1200 bbls/hr. The percentage of wet berries to dry berries would affect the throughput rate. Given the current proportion of berries received the capacity of the dryers would be the maximum throughput of the system. The dryers are the system bottleneck. And as the trend of water harvesting continues, this situation worsens. All the process/resources at RP#1 contribute to the throughput but the limitation is the bottleneck. 3. The trucks wait because the processing capacity is less than the system input. And the temporary holding bins are inadequate to buffer the berries coming in and the plants processing capacity. But by using the Theory of Constraints to identify the system bottle necks we are able to discover the root cause of the waits. The large back log of berries is caused by several factors The plant is not currently equipped to handle the supply of wet berries. This problem has likely been increasing over the years as more cranberries are being...
Words: 1108 - Pages: 5
...that we have the ability to increase sales and profitability. Given the expansion of the market and competitive position, it is my feeling that we have missed certain opportunities to grow. I do not know if our government system has been to discourage managers to adhere to the objectives of the company, which is growing fast and being above average ROA compared with other companies in the industry. I want you to have it in mind when you are evaluating our system. proliferation Metal industry Metal Service Centers purchase from many factories (e.mills), including USX, Bethlehem, Alcoa, Reynolds and smaller companies like Crucible, Northwestern and Youngstown . These suppliers sell products in large batches. By doing this they maximize the throughput capacity of large production end collisions (e.run). Service Centers sells its consumers in smaller batches and shorter processing time. The distribution of metal industry was generally considered of mature, highly competitive and sundering industry. Still has a lot of firsts in the industry who have given Service Centers opportunity to grow. cuts in steel plant in their effort to be more competitive by increasing production capacity, most large national metal manufacturers have been withdrawn product lines by skip specialty produced in limited quantities. Also, they had to reduce service to customers by reducing the salesforce size and technical services. Full-line service centers, have noticed that many of their customers prefer to do...
Words: 298 - Pages: 2
...Anthony Nedelka Journal #2 9 September 2015 Technical goals for a company can include: * Scalability * How much growth is this network going to have to support? When planning for this, you want to make sure that the company is going to have room to grow, which may vary depending on the company. For example, Target is probably going to be a faster growing network than a local mom/pop shop. * Availability * How long your network is available to users. Basically: is your network and up and running all day, every day? * Network Performance * This includes categories that measure the throughput of data and how efficient your network actually is. (Optimum Utilization) * Security * Security design is one of the most important aspects of a network. Without proper security your network is vulnerable to online cyber attacks that can cripple and steal from your databases. * Manageability * This technical goal is going to vary based on company needs. Some customers are going to have more precise goals. The book talks about a company planning to record the number of bytes sent and received to each router. Other clients may have less specific goals than this, it just tends to vary based on company objectives. * Usability * Close to manageability, but different. Usability refers to people who are accessing and using the network you have setup. Your network needs to be easy to use for them (different from management. Easier...
Words: 381 - Pages: 2
...committee for technology and business related matters, and will ultimately be responsible for quality of the services that are delivered. This position will work with management to help establish and direct strategic long term goals, policies and procedures for the company’s information technology function. As well as, being responsible for developing and assisting the IT Service Desk Manager with the annual capital budgets, this position will focus on acquiring and deploying the hardware and software required to support the company’s short term and long range goals. Key Responsibilities and Accountabilities • Establishes network design and strategies by evaluating network performance issues including availability, utilization, throughput, goodput, and latency. • Planning and executing the selection, installation, configuration, and testing of equipment. • Define network policies and procedures, establishing connections and firewalls. • Establishes network specifications by conferring with users; analyzing workflow, access, information, and security requirements. • Designing router and switch administration, including interface configuration, routing and switching protocols • Depending on workload and if time permits, will assist with Service Desk duties along with Service Desk Analysts...
Words: 562 - Pages: 3
...are 70% of all berries. D. Holding bins 17-24 are dedicated to wet berries. E. Capacity of each of five dumpers is 600 bbl/hr. F. When holding bins for wet berries are full, the Kiwanee dumpers are not available to process wet berries, i.e., dumpers cannot temporarily store any wet berries. G. There are 20 peak days in one year, where there is truck waiting happened. H. Truck Drivers are paid by $18/hr Submitted questions: 1. Analyze the current process. [Using the process flow map, available in the Excel file associated with the assignment, of the current process at Receiving Plant #1, mark the capacity of each of the activities. Show the flows of wet and dry berries separately.] 2. On a busy day, what is RP#1’s current maximum throughput rate? 3. Assuming that processing starts at 7 am on a “busy” day, present the situation during such a day, by constructing an inventory build-up diagram for bins and trucks. 4. What are the possible capital investments considered by NCC? 5. Quantify the costs and benefits for NCC’s investment for the fifth Kiwanee dumper in 1980. 6. Quantify the costs and benefits of “converting dry berry holding bins into wet/dry berry holding bins.” Requirements for submitted...
Words: 267 - Pages: 2
...operations. We performed some analysis in Excel and created a dashboard to illustrate various data. Specifically, we regressed the prior 50 days of jobs accepted to forecast demand over the next 2 - 3 months within a 95% confidence interval. The yellow and grey lines represent the maximum and minimum variability, respectively, based on two standard deviations (95%). Exhibit 1: Forecasted and actual demand by Day 50 and Day 270 Our two primary goals at the beginning of the simulation were as follows: 1) Eliminate bottlenecks and increase capacity in order to meet forecasted demand 2) Decrease lead time to 0.25 days in order to satisfy Contract 2 and maximize revenue In order to achieve these goals, we would need to know the capacity and throughput time of the entire system. We used the time required by each machine to process a lot to calculate capacity per station and then capacity of the entire production line (380 kits/day or 6 orders/day). In Exhibit 2 we can observe that the capacity of the production line is given by the station that produces the least number of units per day. Exhibit 2: Capacity of the production line The Decisions We decided to work with the maximum variability of demand because there was a penalty for late jobs and because there was no revenue for orders that took more than “x” days. Since the simulator runs at a rate of 34 simulated days per each real day, we had to estimate the demand for the following 34 days. Day 1 We identified the bottleneck...
Words: 765 - Pages: 4
...Home Network Speed Name Wilmington University INTRODUCTION- The Speed test was carried out for my home network through the period from 8/31/15 to 10/13/2015. Various screen shots were taken, and with the help of them, the graph was plotted. The different type of the network pattern was seen. The different changes were found while performing these tests. The jitter shown variations from 17 to 175 ms. One of the reason for this cause is network congestion. It can be at the router interfaces or in a provider or carrier network if the circuit has not been provisioned correctly. There is a variation in ping from 11 to 14 ms. As the there is inadequate bandwidth a ping becomes variable. In addition, the speed claimed by Comcast is 100mbs but it showing minimum speed of 4.60 mbps and maximum of 13.25 mbps. ANALYSIS: With the graph's assistance, I can watch the general pattern of net index and unpredictable values of ping and jitter for my home system. My ISP is Comcast. As indicated by this chart, I can say that Comcast is not ready to satisfy the speed that was guaranteed for my agreement. Variations of Ping and Jitter prompts lessened reaction both for upload and download speeds. I have utilized different devices, for example, Smartphone, three tablets to the same modem/switch that made the heap on my home system. Particularly amid evening time and late evenings, I have seen a drop in the speed. I think my plan ought to be checked that will help me to get great speed for what...
Words: 687 - Pages: 3
...Case Report: National Cranberry Cooperative Fill in your name in the header. Please read the Assignment Collaboration Guidelines in Course Syllabus: Collaboration between groups is not allowed; however, if you hear something from some other group, please give a reference. Below, write your answers to Questions 1-4 (on BB/Cases). Your analysis should be based on the assumptions listed in the Syllabus. If you need to make additional assumptions to answer a question, clearly state them, logically defend them, and then proceed to answer the question accordingly. The idea is to answer the questions concisely. Double spacing is preferred, 1.5-line spacing is the minimum (consider the reader’s eye strain). 1. Analyze the current process. Using the process flow map (available on CTools) of the current process at Receiving Plant No.1, mark the capacity and utilization of each of the resources. Show the flows of wet and dry berries separately. First we receive 18,000 barrels over a 12 hour period which leads to a 1,500 bbl/ Hr, Then 75% of 1,500 total berries per hour equal 1,125 bbl/Hr and the remaining 25% or 375 bbl/Hr are dry berries. While our Dumper is holding a capacity of 3,000 bbl/Hr and utilizing only the 1,500 bbl/Hr we are receiving. Those berries would then split up in the dry and wet storage bins. Dry bins have a capacity of 4,000 bbl/Hr which is 16 bins holding 250 bbl/Hr each. Whereas the wet bins kept a storage capacity of 3,200 with 8 bins holding 250 bbl/Hr...
Words: 763 - Pages: 4
...The hangover 2: “It happened again”. The hangover has begun, oh yes it has. The tragic trashed trio have yet again repeated their actions from the first film, where they woke up in a chaotic Las Vegas suite with no memory of what happened the night before at all. But this time, they’d done even worse, and lost their friend Teddy, whose disappearance has totally broken his sister’s husband-to-be, Stu (Ed Helms). The wedding was to be in a couple of hours in one of the world’s amazing and exotic places, Thailand. Although Stu had decided to have a subdued bachelor party due to the unforgettable bash 2 years ago in Las Vegas, Stu is taking no chances and has opted to have a quiet bachelor party. However, this did not satisfy the boys, especially Phil(Bradley Cooper) and so instead, they have a buttoned up pre-wedding drink, and before they know it, they wake up totally demolished inside and out in Bangkok in a cruddy hotel with amnesia, AND with one member of the party missing which they only realise after checking up on their faces. However the worst has yet to come. They are all fully determined to find their friend Teddy although the circumstances are terrible and they have to meet with a series of humiliating disasters, and gross situations. Déjà vu has attacked them again, and what happened in Vegas was a total disaster, but what happens in Bangkok can’t possibly be...
Words: 251 - Pages: 2
...found a safety place in extreme situation, he took charge and helped his group survive and he sacrifice himself to save others. First, Ed Pulaski did not panic in extreme situation and used his knowledge of the area to hide from the fire. He was a forest ranger and on that day he went to the town for fresh supplies. On the way back he and his group where completely surrounded by the wild fire. There was no place to run. He did not panic and found the solution by using his knowledge of the forest. He decided to hide in the tunnel. Second, he took control of the situation and stopped panic. In the tunnel that was difficult to breath and people were scared and in panic. He ordered them to law down on the ground and stopped people who tried to leave because there was no other place to run outside the tunnel. Also, he realized that the fire would burn wood tunnel support and he found the way by carrying water in his hat. Third, he was responsible for his men and took big risk to his personal safety. While he was protecting his men he was badly injured; however, he continued fighting for his people. In the end, his skin had burned, he got blinded and he was unconscious. As the result, forty-fife people out of fifty survived. In conclusion, there was a big fight between wildfire and people where Ed with his group were winners. They survived because of Pulaski’s knowledge of the area, his strong command position and his brave. Today that place...
Words: 361 - Pages: 2
...! Prof. Laffont! ENC1101! Oct 9, 2014! ! Three Key Aspects in John Steinbeck’s Cannery Row Cannery Row was written by John Steinbeck in 1945. The story takes place in Monterey, California sometime between the Great Depression and World War II. The story is based on “his non-teleological acceptance of what ‘is,’ his ecological vision, and his own memories of a street and the people who made it home” (Shillinglaw vii). Steinbeck lived during the Great Depression and his experience affected the tone within the story. Steinbeck chose to write using third person narrative within the story which is an omniscient point of view- this allows the reader to know what the characters are thinking and feeling. The author wrote this story for the soldiers entertainment throughout battle. Steinbeck uses a unique style to construct this novel by periodically incorporating anecdotes and vignettes within the book, which allows the author to paint a overall picture in the reader’s mind of the reality of this time period. The major aspects within Cannery Row are loneliness, suicide and the development of characters. In the story Cannery Row, loneliness can be considered a major aspect of this book. Loneliness describes many of the characters in this narrative- especially the character Doc. Although Doc is much loved by his peers and has many friends, he is lonely. He spends most of his time listening to music on the phonograph. The text explains that “'He was a dark and lonesome looking man'...
Words: 1149 - Pages: 5
...“The Carbonaro Effect” is a hidden camera television show where a magician, Michel Carbonaro, tricks unsuspecting, ordinary people. All of his performances occur in ordinary locations such as in stores, offices, or schools, and the people Carbonaro tricks are not aware that he is a magician. Carbonaro’s physics- and logic defying illusions produce hilarious reactions from his gullible targets. While Carbonaro’s illusions are certainly entertaining, I feel there is a damper on his magic since I am aware that I am only seeing illusions. However, much of the entertainment of the show comes from the incredulous reactions of subjects as they stand there wide eyed, and open mouthed, taking in the impossible scene they have just witnessed. As I watch...
Words: 388 - Pages: 2
...Learning Objectives Network Design and Management ITT550 Chapter 2: Business & User Requirements 2 List the most important business requirements to gather. Explain the difference information providers and decision makers. Describe some of the business costs of a network failure. List three methods of gathering user requirements. Describe ways to derive technical requirements from non-technical user comments. [Credit to Shapina and Pricislla for their materials.] Requirements from the Business Perspective 3 4 Business Requirements These include: Key Players Major Milestones Funding Levels Types of Business Activity Estimated growth Reliability and Availability Security Web site and Internet connectivity Remote Access Must understand the nature of the business that will use it. If you design a network for your company it is easier for you to match network requirements with business strategy. If not, you need to conduct interview with management and key personnel. 1 Business Requirements: Key Players 5 Business Requirements: Major Milestones 6 Know who to ask. Identify key players & key groups from organization chart. 2 types of key players: Information sources – explain business strategies, long-term plans, business requirements. Decision makers – approve overall network design or establish funding levels. Normally information sources & decision makers are from the same person. However, it can be from different person. Key factor - Timing....
Words: 2076 - Pages: 9
...IMPLEMENTATION AND ANALYSIS OF A WIDE AREA NETWOK (A FEASIBILITY REPORT) BY ISAIAH ADEBAYO STUDENT’S NAME WITH 3121658 STUDENT’S NUMBER COMPUTER SYSTEMS AND NETWORKING ENGINEERING (CSN)-FULL TIME SUBMITTED TO: DR VINCENT SIYAU (SUPERVISOR) TABLE OF CONTENTS CHAPTER ONE 1.0 AIM.............................................................................................................................Page 3 1.1 OBJECTIVES.............................................................................................................Page 3 1.2 INTRODUCTION......................................................................................................Page 4 1.3 EQUIPMENTS USED............................................................................................... Page 4 CHAPTER TWO 2.0 METHODS AND PROCEDURES............................................................................Page 5 2.1 PRESENT NETWORK OVERVIEW........................................................................Page 5 2.2 MAIN OFFICE NETWORK......................................................................................Page 7 2.3 SUBNET OFFICE NETWORK.................................................................................Page 7 2.4 BUSY NETWORK SCENARIO...............................................................................Page 7 CHAPTHER THREE 3.0 PROPOSED NETWORK SCENARIO....................................................
Words: 1948 - Pages: 8
