Evaluating the GPRS Radio Interface for Different Quality of Service...
Figure 8 i ves iga es he impac of he maximum umber of GPRS user per cell o he performa ce of GPRS for he dy amic cha el alloca io scheme wi h 1 PDCH reserved. Of course, he expec ed umber of GPRS users should be less ha he maximum umber i order o avoid he rejec io of ew GPRS sessio s. O he o her ha d, he maximum umber of ac ive GPRS sessio s mus be limi ed for guara eei g quali y of service for every ac ive GPRS sessio eve u der high raffic. he radeoff be wee i creasi g performa ce for allowi g more ac ive GPRS sessio s a d he i creasi g blocki g probabili y for GPRS users is illus ra ed by he curves of Figure 8. Co clusio s his paper prese ed a discre e-eve simula or o he IP level for he Ge eral Packe Radio Service (GPRS). Wi h he simula or, we provided a comprehe sive performa ce s udy of he radio resource shari g by circui swi ched GSM co ec io s a d packe swi ched GPRS sessio s u der a s a ic a d a dy amic cha el alloca io scheme. I he dy amic scheme we assumed a reserved umber of physical cha els perma e ly alloca ed o GPRS a d he remai i g cha els o be o -dema d cha els ha ca be used by GSM voice service a d GPRS packe s.
|Straightforward. Teacher' s Book Pack (+ CD-ROM) Pre-intermediate Level: Macmillan Publishers Scrivener J. |
Straightforward Methodology' sections and show experienced teachers demonstrating the techniques outlined. Teachers also have access to Straightforward Practice Online where they can ' link up' with their students to monitor their progress. Suggestions for extra activities for stronger classes, weaker classes and younger classes. ' Straightforward Methodology' plus video demonstrations to help teachers develop further as teachers by expanding on their range of teaching activities and techniques. Supplementary language notes for tricky grammatical and vocabulary activities and cultural notes to give vital answers about British and American culture. Teacher' s Resource Disc includes 48 photocopiable worksheets, Unit tests, progress tests, end-of-term and end-of-year tests (with listening).
|Tiger Time 1. Teacher's Book Macmillan Publishers Read C. |
|Tiger Time. Level 4. Activity Book Tiger Time Macmillan Publishers Read C. |
|Tiger Time Level 2 Teacher's Book Pack Tiger Time Macmillan Publishers Read C. |
An activation code for the Teacher' s Resource Centre provides access to extra material, while the presentation kit allows the Student' s Book and Activity Book to be projected on to a screen. The Teacher' s Book contains reduced pages of the Student' s Book and Activity Book and also has lesson plans with clearly marked objectives and competencies.
|Grammar Goals Level 6 Teacher's Book Pack Macmillan Publishers |
|Grammar Goals Level 2 Teacher's Book Pack Macmillan Publishers |
|Next Move British English Level 6 Teacher's Book Pack Macmillan Publishers |
|Family and Friends. Level 6: Teacher's Book Pack Family and Friends Oxford University Press |
Online Practice – игры и практические задания, с автоматической проверкой и отражением результатов в LMS (системе управления обучением в режиме онлайн); 2 диска в Книге для учителя – Teacher’s Assessment and Resources MultiROM и Fluency DVD с клипами к разделу Everyday English; iTools.
|Working in English Teacher's Book Pack (+ CD-ROM) Cambridge University Press Jones |
Working In English is a comprehensive course for Business English learners from Leo Jones, co-author of the successful New International Business English course.
|Premium B2 Level. Teacher's Book (+ CD-ROM) Pearson Iwona D. |
|Sky Starter. Teacher's Book Pack Pearson Patricia M. |
Flexible and easy to teach, Sky gives students the motivation to learn and the confidence to succeed in English. - Real people, relevant language and authentic topics bring language learning to life
- Clearly-presented grammar with easy-to-use ' Look and learn' boxes leads to meaningful communication activities.
|Macmillan Natural and Social Science. Level 3. Activity Book Pack (+ Audio CD) Macmillan Publishers Joanne R. |
|Essential English 4. Teacher's Book Pack (+ Audio CD) Richmond Seligson P. |
Comprehensive teaching notes with integrated answer keys, audio scripts and step-by-step lesson plans.
|Sparks 4. Teacher's Book Pack Richmond House S. |
Mapped to the Cambridge Young Learners' Suite. The communicative methodology is innovative in its inclusion of CLIL objectives in every lesson and Phonics in every unit. Strong recycling from unit to unit and between levels. Dual objectives in every lesson: communicative and CLIL. Huge selection of fully adaptable teaching resources. Wide variety of interesting activities. Attractive illustration using many different styles. Sparks is a six-level course for primary schools which comes with a range of multi-media and traditional resources for the classroom.
|Macmillan English Quest 4 Teacher's Book Pack Macmillan Publishers |
|Macmillan English Quest 3 Teacher's Book Pack Macmillan Publishers |
|Ready for Advanced. Teacher's Book Pack (+ DVD) Macmillan Publishers |
Along with photocopiable material, useful suggestions, sample answers and advice on how to approach exams, this title features a DVD-ROM filled with tests, training videos and audio.
|Audio CD. Tiger Time Level 1 |
Full transcripts are provided within each unit of the Teacher' s Book. The Class Audio CDs contain four CDs for each level that provide all the listening material for the course.
|Student' s Book Pack Open Mind British Edition Upper Intermediate Level. Open Mind Macmillan Publishers Rogers M. |
Each unit incorporates the course theme of Life Skills, along with Grammar sections, Support boxes and a writing syllabus.
|English Time 4. Teacher's Book Oxford University Press Rivers S. |