Aufgaben:Exercise 3.2: GSM Services - Revision history

Guenter at 16:58, 7 January 2023

2023-01-07T16:58:33Z

Guenter at 16:51, 7 January 2023

2023-01-07T16:51:34Z

Guenter at 16:10, 3 January 2023

2023-01-03T16:10:34Z

Guenter at 14:04, 2 January 2023

2023-01-02T14:04:52Z

Guenter at 16:23, 31 December 2022

2022-12-31T16:23:22Z

Guenter: Guenter moved page Aufgaben:Aufgabe 3.2: GSM–Dienste to Aufgaben:Exercise 3.2: GSM Services

2022-12-31T16:21:30Z

Guenter moved page Aufgabe 3.2: GSM–Dienste to Exercise 3.2: GSM Services

Noah at 20:24, 29 December 2022

2022-12-29T20:24:30Z

Noah at 20:24, 29 December 2022

2022-12-29T20:24:02Z

Noah at 20:23, 29 December 2022

2022-12-29T20:23:35Z

Noah at 20:22, 29 December 2022

2022-12-29T20:22:40Z

@@ Line 26: / Line 26: @@
 #"call waiting",&nbsp; "hold"&nbsp;  and&nbsp; "conference call"&nbsp;  in phase 2,
 #"GPRS",&nbsp; "HSCSD",&nbsp; "EDGE"&nbsp; in phase 2+.
@@ Line 77: / Line 73: @@
 {{ML-Kopf}}
-'''(1)'''&nbsp; Correct is the <u>proposed solution 1</u>:
+'''(1)'''&nbsp; Correct is the&nbsp; <u>proposed solution 1</u>:
-*Carrier services form the basis for data transmission.
+*Bearer services form the basis for data transmission.
 *They provide the technical means to transport data in a secured manner.
-'''(2)'''&nbsp; Correct is the <u>proposed solution 3</u>:
+'''(2)'''&nbsp; Correct is the&nbsp; <u>proposed solution 3</u>:
-*The maximum data rate for GSM data transmission is $9.6 \rm kbit/s$.
+*The maximum data rate for GSM data transmission is&nbsp; $9.6 \rm kbit/s$.
 *There are synchronous and asynchronous as well as circuit-switched and packet-switched data transmission.
-'''(3)'''&nbsp; Correct are <u>proposed solutions 1 and 3</u>:
+'''(3)'''&nbsp; Correct are the&nbsp; <u>proposed solutions 1 and 3</u>:
-*Proposition 2 is incorrect: The terms ''synchronous'' and ''asynchronous'' play a role only in connection with carrier services.
+*Proposition 2 is incorrect:
-'''(5)'''&nbsp; Correct is the <u>proposed solution 2</u>:
+*In contrast,&nbsp; "General Packet Radio Service"&nbsp; $\rm (GPRS)$&nbsp; operates as packet-switched and&nbsp; "Enhanced Data Rate for GSM Evolution"&nbsp; $\rm (EDGE)$&nbsp; can be described as circuit-switched data service.
 {{ML-Fuß}}

@@ Line 4: / Line 4: @@
 [[File:EN_Bei_A_3_2.png|right|frame|List of GSM services ]]
-Any&nbsp; ''Public Land Mobile Network''&nbsp; (PLMN) must provide the fixed network infrastructure and so-called&nbsp; ''Interworking Functions''&nbsp; (IWF). This is the only way to provide the desired services at the user interface.
+Any&nbsp; "Public Land Mobile Network"&nbsp; $\rm (PLMN)$&nbsp; must provide the fixed network infrastructure and so-called&nbsp; "interworking functions"&nbsp; $\rm (IWF)$.&nbsp; This is the only way to provide the desired services at the user interface.
 GSM services are divided into three categories:
-*''Bearer Services'',
+*Bearer services,
-The basis for data transmission is the carrier services, where the maximum data rate is $\text{9.6 kbits/s}$&nbsp;.
+*Supplementary services.
-Various ancillary services belong to each phase of GSM development:
+'''Tele services'''&nbsp; are end-to-end services.&nbsp; The most important of these are:
-*call display, call forwarding and caller ID in phase 1,
+#the telephone service,
-*call waiting, hold&nbsp; (''Hold'')&nbsp; and conference call&nbsp; (''CONF'')&nbsp; in phase 2,
+#the fax service,
-*General Packet Radio Service&nbsp; (GPRS), High Speed Circuit-Switched Data&nbsp; (HSCSD), Enhanced Data Rates for GSM Evolution&nbsp; (EDGE) in phase 2+.
+#the short message service&nbsp; $\rm (SMS)$.
@@ Line 32: / Line 32: @@
+<u>Hint:</u>&nbsp; The exercise belongs to the chapter&nbsp; [[Examples_of_Communication_Systems/General_Description_of_GSM|"General Description of GSM"]].
@@ Line 59: / Line 56: @@
 {Which statements are true for teleservices?
 |type="[]"}
-+ Teleservices are end-to-end services.
++ Tele services are end-to-end services.
-- A distinction is made between synchronous and asynchronous teleservices.
+- A distinction is made between synchronous and asynchronous tele services.
 + Examples are the telephone, fax and SMS services.
-{Which additional services originate from GSM phase 2?
+{Which supplementary services originate from GSM phase 2?
 |type="[]"}
-- Call Forwarding,
+- "Call Forwarding",
-+ Call Waiting,
++ "Call Waiting",
-- General Packet Radio Service&nbsp; (GPRS),
+- "General Packet Radio Service"&nbsp; $\rm (GPRS)$,
-+ Conference Call&nbsp; (CONF).
++ "Conference Call"&nbsp; $\rm (CONF)$.
-{What technology is used in&nbsp; ''High Speed Circuit-Switched Data''&nbsp; (HSCSD)?
+{What technology is used in&nbsp; "High Speed Circuit-Switched Data"&nbsp; $\rm (HSCSD)$?
 |type="[]"}
 - Packet switching,

@@ Line 3: / Line 3: @@
 }}
-[[File:P_ID1188__Bei_A_3_2.png|right|frame|List of GSM services '''Korrektur''']]
+[[File:EN_Bei_A_3_2.png|right|frame|List of GSM services ]]
 Any&nbsp; ''Public Land Mobile Network''&nbsp; (PLMN) must provide the fixed network infrastructure and so-called&nbsp; ''Interworking Functions''&nbsp; (IWF). This is the only way to provide the desired services at the user interface.

@@ Line 3: / Line 3: @@
 }}
-[[File:P_ID1188__Bei_A_3_2.png|right|frame|List of GSM services]]
+[[File:P_ID1188__Bei_A_3_2.png|right|frame|List of GSM services '''Korrektur''']]
 Any&nbsp; ''Public Land Mobile Network''&nbsp; (PLMN) must provide the fixed network infrastructure and so-called&nbsp; ''Interworking Functions''&nbsp; (IWF). This is the only way to provide the desired services at the user interface.

← Older revision		Revision as of 16:23, 31 December 2022
Line 110:		Line 110:


−	[[Category:Examples of Communication Systems: Exercises\|^3.1 ~~Allgemeine Beschreibung von~~ GSM	+	[[Category:Examples of Communication Systems: Exercises\|^3.1 General Description of GSM
	^]]		^]]

@@ Line 1: / Line 1: @@
-{{quiz-Header|Buchseite=Beispiele von Nachrichtensystemen/Allgemeine Beschreibung von GSM
+{{quiz-Header|Buchseite=Examples_of_Communication_Systems/General_Description_of_GSM
 }}
-[[File:P_ID1188__Bei_A_3_2.png|right|frame|Auflistung der GSM-Dienste]]
+[[File:P_ID1188__Bei_A_3_2.png|right|frame|List of GSM services]]
-Ein jedes&nbsp; ''Public Land Mobile Network''&nbsp; (PLMN) muss die Festnetz–Infrastruktur und so genannte&nbsp;  ''Interworking Functions''&nbsp; (IWF) zur Verfügung stellen. Nur so können die gewünschten Dienste an der Benutzerschnittstelle bereitgestellt werden.
+Any&nbsp; ''Public Land Mobile Network''&nbsp; (PLMN) must provide the fixed network infrastructure and so-called&nbsp; ''Interworking Functions''&nbsp; (IWF). This is the only way to provide the desired services at the user interface.
-Die GSM–Dienste sind in drei Kategorien unterteilt:
+GSM services are divided into three categories:
-*''Bearer Services''&nbsp; (Trägerdienste),
+*''Bearer Services'',
-*''Tele Services''&nbsp; (Teledienste),
+*''Tele Services'',
-*''Supplementary Services''&nbsp; (Zusatzdienste).
+*''Supplementary Services''.
-Grundlage für die Datenübertragung bilden die Trägerdienste, wobei die maximale Datenrate&nbsp; $\text{9.6 kbits/s}$&nbsp; beträgt.
+The basis for data transmission is the carrier services, where the maximum data rate is $\text{9.6 kbits/s}$&nbsp;.
-Teledienste sind Ende–zu–Ende–Dienste. Die wichtigsten davon sind:
+Teleservices are end-to-end services. The most important of these are:
-*der Telefondienst,
+*the telephone service,
-*der Faxdienst,
+*the fax service,
-*der Kurznachrichtendienst&nbsp; (SMS).
+*the short message service&nbsp; (SMS).
-Zu jeder Phase der GSM–Entwicklung gehören verschiedene Zusatzdienste:
+Various ancillary services belong to each phase of GSM development:
-*Anrufanzeige, Rufumleitung und Rufnummernanzeige in der Phase 1,
+*call display, call forwarding and caller ID in phase 1,
-*Anklopfen&nbsp; (''Call Waiting''), Halten&nbsp; (''Hold'')&nbsp; und Konferenzschaltung&nbsp; (''CONF'')&nbsp; in der Phase 2,
+*call waiting&nbsp; (''Call Waiting''), hold&nbsp; (''Hold'')&nbsp; and conference call&nbsp; (''CONF'')&nbsp; in phase 2,
-*General Packet Radio Service&nbsp; (GPRS), High Speed Circuit–Switched Data&nbsp; (HSCSD), Enhanced Data Rates for GSM Evolution&nbsp; (EDGE) in der Phase 2+.
+*General Packet Radio Service&nbsp; (GPRS), High Speed Circuit-Switched Data&nbsp; (HSCSD), Enhanced Data Rates for GSM Evolution&nbsp; (EDGE) in Phase 2+.
@@ Line 33: / Line 33: @@
-''Hinweis:''
+Hint:
-*Die Aufgabe gehört zum Kapitel&nbsp; [[Examples_of_Communication_Systems/Allgemeine_Beschreibung_von_GSM|Allgemeine Beschreibung von GSM]].
+*The exercise belongs to the chapter&nbsp; [[Examples_of_Communication_Systems/General_Description_of_GSM|"General Description of GSM"]].
@@ Line 41: / Line 41: @@
-===Fragebogen===
+===Questions===
 <quiz display=simple>
-{Welche der GSM–Dienste bilden die Grundlage für die Datenübertragung?
+{Which of the GSM services are the basis for data transmission?
 |type="[]"}
-+ Trägerdienste,
++ bearer services,
-- Teledienste,
+- teleservices,
-- Zusatzdienste.
+- supplementary services.
-{Wie hoch ist die maximale Datenrate für die GSM–Datenübertragung?
+{What is the maximum data rate for GSM data transmission?
 |type="[]"}
 - $2.4 \ \rm kbit/s$.
@@ Line 57: / Line 57: @@
 + $9.6 \ \rm kbit/s$.
-{Welche Aussagen sind für die Teledienste zutreffend?
+{Which statements are true for teleservices?
 |type="[]"}
-+ Die Teledienste sind Ende–zu–Ende–Dienste.
++ Teleservices are end-to-end services.
-- Man unterscheidet synchrone und asynchrone Teledienste.
+- A distinction is made between synchronous and asynchronous teleservices.
-+ Beispiele sind der Telefon–, der Fax– und der SMS–Dienst.
++ Examples are the telephone, fax and SMS services.
-{Welche Zusatzdienste entstammen der GSM–Phase 2?
+{Which additional services originate from GSM phase 2?
 |type="[]"}
-- Rufumleitung&nbsp; (''Call Forwarding''),
+- Call forwarding,
-+ Anklopfen&nbsp; (''Call Waiting''),
++ Call Waiting,
 - General Packet Radio Service&nbsp; (GPRS),
-+ Konferenzschaltung&nbsp; (CONF).
++ Conference Call&nbsp; (CONF).
-{Welche Technik wird bei&nbsp; ''High Speed Circuit–Switched Data''&nbsp;  (HSCSD) verwendet?
+{What technology is used in&nbsp; ''High Speed Circuit-Switched Data'''&nbsp; (HSCSD)?
 |type="[]"}
-- Paketvermittlung,
+- Packet switching,
-+ Leitungsvermittlung,
++ circuit switching.
 </quiz>
-===Musterlösung===
+===Solution===
 {{ML-Kopf}}
-'''(1)'''&nbsp; Richtig ist der <u>Lösungsvorschlag 1</u>:
+'''(1)'''&nbsp; Correct is the <u>proposed solution 1</u>:
-*Die Grundlagen für die Datenübertragung bilden die Trägerdienste.
+*Carrier services form the basis for data transmission.
-*Sie stellen die technischen Möglichkeiten bereit, um Daten gesichert zu transportieren.
+*They provide the technical means to transport data in a secured manner.
-'''(2)'''&nbsp; Richtig ist der <u>Lösungsvorschlag 3</u>:
+'''(2)'''&nbsp; Correct is the <u>proposed solution 3</u>:
-*Die maximale Datenrate für GSM–Datenübertragung ist $9.6 \ \rm kbit/s$.
+*The maximum data rate for GSM data transmission is $9.6 \rm kbit/s$.
-*Es gibt dabei synchrone und asynchrone sowie leitungs– und paketvermittelte Datenübertragung.
+*There are synchronous and asynchronous as well as circuit-switched and packet-switched data transmission.
-'''(3)'''&nbsp; Richtig sind die <u>Lösungsvorschläge 1 und 3</u>:
+'''(3)'''&nbsp; Correct are <u>proposed solutions 1 and 3</u>:
-*Die Aussage 2 ist falsch: Die Begriffe „synchron” und „asynchron” spielen nur in Zusammenhang mit den Trägerdiensten eine Rolle.
+*Proposition 2 is incorrect: The terms ''synchronous'' and ''asynchronous'' play a role only in connection with carrier services.
-'''(4)'''&nbsp; Richtig sind die <u>Lösungsvorschläge 2 und 4</u>:
+'''(4)'''&nbsp; Correct are the <u>proposed solutions 2 and 4</u>:
-*Dagegen gehört die Rufumleitung zur GSM–Phase 1 und ''General Packet Radio Service'' (GPRS) zur Phase 2+.
+*In contrast, call forwarding belongs to GSM phase 1 and ''General Packet Radio Service'' (GPRS) to phase 2+.
-'''(5)'''&nbsp; Richtig ist der <u>Lösungsvorschlag 2</u>:
+'''(5)'''&nbsp; Correct is the <u>proposed solution 2</u>:
-*''High Speed Circuit–Switched Data'' (HSCSD) wurde als leitungsvermittelte Übertragungstechnik eingeführt.
+*''High Speed Circuit-Switched Data'' (HSCSD) was introduced as a circuit-switched transmission technology.
-* Dagegen arbeitet ''General Packet Radio Service'' (GPRS) paketvermittelt und ''Enhanced Data Rate for GSM Evolution'' (EDGE) kann als durchschaltevermittelter Datendienst bezeichnet werden.
+*In contrast, ''General Packet Radio Service'' (GPRS) operates as packet-switched and ''Enhanced Data Rate for GSM Evolution'' (EDGE) can be described as circuit-switched data service.
 {{ML-Fuß}}