transmission schemes for single and multi cell downlink systems

... China, 2013 15 CHAPTER 1: INTRODUCTION 16 RBF FOR MULTI- CELL MIMO SYSTEMS H D NGUYEN Chapter Transmission Schemes for Singleand Multi- Cell Downlink Systems MIMO techniques have led to additional ... multi- cell downlink systems 17 CHAPTER 2: TRANSMISSION SCHEMES FOR DOWNLINK SYSTEMS 2.1 Single- Cell MIMO BC In this section, we describe the mathematical model of the single- cell MIMO downlink ... 175 vi RBF FOR MULTI- CELL MIMO SYSTEMS H D NGUYEN Abstract Random beamforming (RBF) is a practically favourable transmission scheme for multiuser multi- antenna downlink systems since it...

Ngày tải lên: 10/09/2015, 09:27

... amplify -and- forward (AF) and decode -and- forward (DF) modes, and study power control scheme based on a two-stage game But, the studies in [3,6] not take subcarrier allocation into account, and in ... consider a single- cell scenario, i.e absence of consideration of inter -cell interference Lee and Yum [7] introduce a novel framework to find the necessary and sufficient condition for Paretoefficiency ... Section end the article System model We consider a multi- cell cooperative OFDMA scenario In each cell, there is one base station, multiple users and multiple relays Each user can communicate with...

Ngày tải lên: 20/06/2014, 22:20

... media and sufficient oxygen supply (Sandig et al., 2005)  Animal cells have low cell density and grow at slow kinetics (Sandig et al., 2005)  They are also high sensitive mechanical stress (Sandig ... production is dependent on the fraction of cells carrying transgene in a functional and nonrearranged form Continuous growth in culture, cell handling, and media manipulations could affect the ... sensitive and increasing 163 Kỷ yếu hội nghị Khoa học Môi trường Công nghệ sinh học năm 2011 shear forces and longer shear times could cause cellular damage (Pol et al., 1990) Therefore, searing and...

Ngày tải lên: 28/03/2014, 09:20

... performance metric to represent the EE of the multi- cell systems Although NEE have been considered in the uplink multi- cell channels [17], we believe that it is more suitable for the downlink multi- cell ... http://jwcn.eurasipjournals.com/content/2011/1/165 first, and then three schemes, i.e., IA-GT, ICIC, and MC-JP are taken into account IA-GT requires only both the CSIT and data of BSs’ own cell and performs selfish eigen-beamforming Hence, ... ‘super’ BS and the CoMP system is similar with a single cell downlink MIMO system where global precoding can be employed With only local CSIT and no data sharing, inter -cell interference cancellation...

Ngày tải lên: 20/06/2014, 22:20

... gain with W the spread spectrum bandwidth and R the required packet transmission rate Pi and PT (in Watt) denote the transmission power for user i and total downlink transmission power of BSs, respectively, ... these schemes based on queuing delay and physical layer information such as required transmission power, and available transmission rate, which borrows the idea of composite metric from wired systems ... poweri and powermean denote the required transmission power of packet i, and the mean downlink transmission power of active users in one cell Then we have delaynor = delayi /Vthre , i and powernor...

Ngày tải lên: 22/06/2014, 22:20

... sensitive and increasing shear forces and longer shear times could cause cellular damage (Pol et al., 1990) Therefore, searing and bubble damage could raise the concern in large-scale systems However, ... media and sufficient oxygen supply (Sandig et al., 2005) • Animal cells have low cell density and grow at slow kinetics (Sandig et al., 2005) • They are also high sensitive mechanical stress (Sandig ... approval for commercial production using those cell lines Therefore, utilizing mammalian cell lines has been the best choice for commercial production of many human recombinant proteins, for example...

Ngày tải lên: 28/06/2014, 12:52

... To meet the demand on very high data rates communication services, multiple transmitting and multiple receiving antennas have been proposed for modern wireless systems, where performance is limited ... 12] To be specific, in [11], Viterbo and Boutros applied the SD to perform ML decoding of multidimensional constellations in a single transmit antenna and a single receive antenna system operating ... =G−1 Σ(G−1 )H = G−1 GGH (G−1 )H = I (3.23) We then transform (3.22) to its real-equivalent form and perform the needed transformation and scaling operations on y , to reduce the problem to that...

Ngày tải lên: 03/10/2015, 11:37

... multi- agent decision systems than in single agent systems Two types of information value in multi- agent decision systems are discussed, namely Nature Information and Moving Information Conditional ... acting on behalf of users and owners with very different goals and motivations in most cases Therefore, the same problems under single agent systems and multi- agent systems would sometimes generate ... problems, multi- agent decision systems, and value of information in single agent decision systems This survey provides a background for a more detailed analysis in the following chapters and serves...

Ngày tải lên: 07/10/2015, 10:10

... For example, the first generation analog cellular system (AMPS) has given way to 2G cellular systems (such as GSM, D-AMPS, and IS-95), and nowadays, we have 3G systems (CDMA2000, UMTS), 3.5G systems ... Modulation and multiple access schemes with high spectral efficiency and flexibility such as orthogonal frequency division multiplex (OFDM), multi- carrier code division multiple access (MC-CDMA) and orthogonal ... transmission and receiver strategies for the MIMO systems such as space time block coding (STBC), spatial multiplexing with layered space time structure (V-BLAST and D-BLAST), beamforming and eigenmode transmission...

Ngày tải lên: 20/11/2012, 11:36

... Monitoring and Control for Intelligent Manufacturing L Wang and R.X Gao (Eds.) Optimal Production Planning for PCB Assembly W Ho and P Ji Trends in Supply Chain Design and Management: Technologies and ... information from CAD and machining information from CAPP During tool path generation, interferences between tool and workpiece, minimization of machining time and tool change, and machine performance ... (LD), and 5) Instruction List (IL 1) Now it is necessary for users to edit programs based on the standard language and it is required for developers to implement applications for interpreting and...

Ngày tải lên: 08/09/2013, 20:50

... significant osmotic forces, and so important for internal water balance between the intra and extracellular compartments It also has a role in determining external water balance and the extracellular f ... There may be a latent period between the initial event and the subsequent organ failure SEPTIC SHOCK AND MULTI- ORGAN FAILURE Which organ systems may be involved in this process? Any organ system ... SEPTIC SHOCK AND MULTI- ORGAN FAILURE 212 What are the basic principles of management of any case of SIRS and MODS? Management place a heavy emphasis on support of the failing organ systems ᭹ Surgical...

Ngày tải lên: 01/11/2013, 10:20

Ngày tải lên: 12/12/2013, 08:27

... located in the right hand slot of both chassis Each system module within the Soneplex Broadband and Soneplex Loop Extender chassis provides provisioning, alarm and performance information that is ... processor unit (APU) provides the critical, major and minor alarm indications and dry relay contacts for the Soneplex Broadband and Soneplex Loop Extender systems These alarms are available as normally ... The Soneplex Broadband and Soneplex Loop Extender systems each use displays, 512 bits Status and command displays are supported TL1 Interface Transaction Language (TL1) commands may be used to...

Ngày tải lên: 21/12/2013, 06:19

... - MATERIAL HANDLING SYSTEM 19.4.1 System Assembly and Simple Controls AN EXAMPLE OF AN FMS CELL 19.5.1 Overview 19.5.2 Workcell Specifications 19.5.3 Operation of The Cell THE NEED FOR CONCURRENT ... Many of these are specialized for features such as embedded systems, foreign languages, internet servers and security The list below is for user-friendly installation and usage The most successful ... reliable Commands can be typed in a command window Typed commands are case sensitive, and most commands are lower case Spaces are used to delimit (separate) commands and arguments, so they should also...

Ngày tải lên: 22/12/2013, 20:17

... wider bandwidth systems as more bandwidth is available for 3G networks We therefore agree that IS-95 is a 2.5G system and its evolution to 3G should be smooth This is not so for 2G TDMA systems ... of address and control information to the PDU for routing within and between PLMNs Encapsulation, and its reverse, are performed between the GGSN nodes of PLMNs, and between the SGSN and an MS ... physical layer called band A (There is a band B for PCS services in the United States, where 1850–1910 and 1930–1990 MHz are for the up-link and down-link transmission, respectively) For the UTRA FDD...

Ngày tải lên: 23/12/2013, 17:15

... of information: (1) the system timing and performance, (2) the refined internal function, and (3) the physical constraints such as size, weight, and power System timing and performance information ... time constraint effort multiplier for processor utilization interval i; the memory constraint effort multiplier for memory utilization interval i; the software development effort (person-months); ... receive packets and transmit packets Processor contains a responder and a res handler; responder generates the response packets for the request packets who ask for responses, and res handler serves...

Ngày tải lên: 25/12/2013, 06:16

... guidance systems, automatic control systems for hydrofoils, surface-effect ships, and high-speed rail systems including the magnetic levitation systems 1.2.1 Examples of Control Systems Control systems ... constructs and loops in MATLAB, how to use subprograms and functions, how to use comments (%) for explaining the programs and tabs for easy readability, and how to print and plot graphics both two and ... DISPLAY FORMATS MATLAB has several different screen output formats for displaying numbers These formats can be found by typing the help command: help format in the Command Window A few of these formats...

Ngày tải lên: 01/01/2014, 18:43

... Router(config-subif)#encapsulation isl Part 2: Multi- Layer Switching Goals Configure Multi- layer Switching on the router, Switch A, and Switch B Ping between PC-2 and PC-3 Use show commands to verify MLS operations ... with show commands Task List On Switch A and Switch B a Use the set mls enable and set mls include commands to configure MLS On the router a Use the mls rp ip, mls rp vtp-domain, and mls rp ip ... seconds for all flows to age out of the MLS cache on the switch Start a continuous stream of pings between PC-2 and PC-3 a Use the show mls rp command on the router and the show mls entry command...

Ngày tải lên: 18/01/2014, 04:20

... - MATERIAL HANDLING SYSTEM 19.4.1 System Assembly and Simple Controls AN EXAMPLE OF AN FMS CELL 19.5.1 Overview 19.5.2 Workcell Specifications 19.5.3 Operation of The Cell THE NEED FOR CONCURRENT ... Many of these are specialized for features such as embedded systems, foreign languages, internet servers and security The list below is for user-friendly installation and usage The most successful ... reliable Commands can be typed in a command window Typed commands are case sensitive, and most commands are lower case Spaces are used to delimit (separate) commands and arguments, so they should also...

Ngày tải lên: 25/01/2014, 05:20