ITU-T E.771-1996 电路交换陆地移动业务的网路服务等级(GOS)参数和目标值 Network Grade of Service Parameters and Target Values for Circuit-Switched Public Land Mobile Servic

pdf标准 ITU-T E.771-1996 电路交换陆地移动业务的网路服务等级(GOS)参数和目标值 Network Grade of Service Parameters and Target Values for Circuit-Switched Public Land Mobile Servic

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ITU-T E.771-1996 电路交换陆地移动业务的网路服务等级(GOS)参数和目标值 Network Grade of Service Parameters and Target Values for Circuit-Switched Public Land Mobile Servic 第 1 页 ITU-T E.771-1996 电路交换陆地移动业务的网路服务等级(GOS)参数和目标值 Network Grade of Service Parameters and Target Values for Circuit-Switched Public Land Mobile Servic 第 2 页 ITU-T E.771-1996 电路交换陆地移动业务的网路服务等级(GOS)参数和目标值 Network Grade of Service Parameters and Target Values for Circuit-Switched Public Land Mobile Servic 第 3 页 ITU-T E.771-1996 电路交换陆地移动业务的网路服务等级(GOS)参数和目标值 Network Grade of Service Parameters and Target Values for Circuit-Switched Public Land Mobile Servic 第 4 页 ITU-T E.771-1996 电路交换陆地移动业务的网路服务等级(GOS)参数和目标值 Network Grade of Service Parameters and Target Values for Circuit-Switched Public Land Mobile Servic 第 5 页
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国外分类,ITU,ITU-T(电信标准分局),itu,电路,交换,陆地,移动,业务,网路,服务,等级,gos,参数,目标,目标值,network,grade,of,service,parameters,and,target,values,for,circuit,switched,public,land,mobile,servic

INTERNATIONAL TELECOMMUNICATION UNION )45 4 % TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (10/96) SERIES E: TELEPHONE NETWORK AND ISDN Quality of service, network management and traffic engineering – Traffic engineering – Mobile network traffic engineering .ETWORK GRADE OF SERVICE PARAMETERS AND TARGET VALUES FOR CIRCUIT SWITCHED PUBLIC LAND MOBILE SERVICES ITU-T Recommendation E.771 (Previously CCITT Recommendation) ITU-T E-SERIES RECOMMENDATIONS 4%,%0(/.% .%47/2+ !.$ )3$. /0%2!4)/. .5-"%2).' 2/54).' !.$ -/"),% 3%26)#%3 INTERNATIONAL OPERATION E.100–E.229 OPERATIONAL PROVISIONS RELATING TO CHARGING AND ACCOUNTING IN THE INTERNATIONAL TELEPHONE SERVICE E.230–E.299 UTILIZATION OF THE INTERNATIONAL TELEPHONE NETWORK FOR NONTELEPHONY APPLICATIONS E.300–E.329 ISDN PROVISIONS CONCERNING USERS E.330–E.399 15!,)49 /& 3%26)#% .%47/2+ -!.!'%-%.4 !.$ 42!&&)# %.').%%2).' NETWORK MANAGEMENT E.400–E.489 International service statistics E.400–E.409 International network management E.410–E.419 Checking the quality of the international telephone service E.420–E.489 TRAFFIC ENGINEERING E.490–E.799 Measurement and recording of traffic E.490–E.505 Forecasting of traffic E.506–E.509 Determination of the number of circuits in manual operation E.510–E.519 Determination of the number of circuits in automatic and semi-automatic operation E.520–E.539 Grade of service E.540–E.599 Definitions E.600–E.699 ISDN traffic engineering E.700–E.749 -OBILE NETWORK TRAFFIC ENGINEERING QUALITY OF TELECOMMUNICATION SERVICES: CONCEPTS, MODELS, OBJECTIVES AND DEPENDABILITY PLANNING % % E.800–E.899 Terms and definitions related to the quality of telecommunication services E.800–E.809 Models for telecommunication services E.810–E.844 Objectives for quality of service and related concepts of telecommunication services E.845–E.859 Use of quality of service objectives for planning of telecommunication networks E.860–E.879 Field data collection and evaluation on the performance of equipment, networks and services E.880–E.899 For further details, please refer to ITU-T List of Recommendations. ITU-T RECOMMENDATION E.771 NETWORK GRADE OF SERVICE PARAMETERS AND TARGET VALUES FOR CIRCUIT-SWITCHED PUBLIC LAND MOBILE SERVICES Summary This Recommendation proposes network Grade of Service (GOS) parameters for current and evolving land mobile services. These parameters are defined, and their target values specified, assuming that the network and the network components are operating in their normal mode (i.e. are fully operational). Further, the parameters and their target values assume normal (as opposed to distress or emergency) traffic. Source ITU-T Recommendation E.771 was revised by ITU-T Study Group 2 (1993-1996) and was approved under the WTSC Resolution No. 1 procedure on the 8th of October 1996. FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the ITU. The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1 (Helsinki, March 1-12, 1993). In some areas of information technology which fall within ITU-T’s purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. © ITU 1997 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. ii Recommendation E.771 (10/96) CONTENTS Page 1 Scope........................................................................................................................... 1 2 Related Recommendations ......................................................................................... 1 3 Abbreviations.............................................................................................................. 1 4 Grade of service parameters........................................................................................ 3 4.1 Post-selection delay ......

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