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pro vyhledávání: '"Bernhard E. Keiser"'
Autor:
Bernhard E. Keiser
What is'digital telephony'? To the authors, the term digital telephony de notes the technology used to provide a completely digital point-to-point voice communication system from end to end. This implies the use of digital technol ogy from one en
Autor:
Eugene Strange, Bernhard E. Keiser
Publikováno v:
Digital Telephony and Network Integration ISBN: 9781461357216
The copper-loop environment is discussed in detail in Section A.3.1.1. Guidelines, developed in the 1980s for Carrier Serving Areas (CSA), produced excellent results for analog services. Additional study was needed, however, to ascertain the extent t
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https://explore.openaire.eu/search/publication?articleId=doi_________::4e0ccf1385e9b8bac2c067827c185f14
https://doi.org/10.1007/978-1-4615-1787-0_15
https://doi.org/10.1007/978-1-4615-1787-0_15
Autor:
Bernhard E. Keiser, Eugene Strange
Publikováno v:
Digital Telephony and Network Integration ISBN: 9781461357216
Digital Telephony and Network Integration ISBN: 9789401571791
Digital Telephony and Network Integration ISBN: 9789401571791
To say that telephony is in a state of transition is to describe the history of telephony. It always has been in a state of transition and will continue so for the foreseeable future. As the world has been increasingly compressed in size through tele
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a86daf36413530f93f3cf3ad7c2cfb3b
https://doi.org/10.1007/978-1-4615-1787-0_1
https://doi.org/10.1007/978-1-4615-1787-0_1
Autor:
Eugene Strange, Bernhard E. Keiser
Publikováno v:
Digital Telephony and Network Integration ISBN: 9781461357216
Fiber optic transmission can be implemented wherever coaxial cable or wire-pair transmission is used. Its areas of present and future application extend all the way from the subscriber loop1 to transoceanic cables.2
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https://explore.openaire.eu/search/publication?articleId=doi_________::9a68b74540887145d39df10d07a840be
https://doi.org/10.1007/978-1-4615-1787-0_10
https://doi.org/10.1007/978-1-4615-1787-0_10
Autor:
Bernhard E. Keiser, Eugene Strange
Publikováno v:
Digital Telephony and Network Integration ISBN: 9781461357216
Digital Telephony and Network Integration ISBN: 9789401571791
Digital Telephony and Network Integration ISBN: 9789401571791
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8c8961f422343322490ddd374080ac6
https://doi.org/10.1007/978-1-4615-1787-0_8
https://doi.org/10.1007/978-1-4615-1787-0_8
Autor:
Bernhard E. Keiser, Eugene Strange
Publikováno v:
Digital Telephony and Network Integration ISBN: 9781461357216
In 1972, the plenary assembly of the International Telegraph and Telephone Consultative Committee (CCITT) approved Recommendation G.711 for Pulse Code Modulation (PCM) of Voice Frequencies. This provided for a sampling rate of 8000 per second and 8-b
Externí odkaz:
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https://doi.org/10.1007/978-1-4615-1787-0_14
https://doi.org/10.1007/978-1-4615-1787-0_14
Autor:
Bernhard E. Keiser, Eugene Strange
Publikováno v:
Digital Telephony and Network Integration ISBN: 9781461357216
The North American public switched telephone network (PSTN) has been evolving from a fully analog network toward one that is expected to approach a fully digital network.
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https://explore.openaire.eu/search/publication?articleId=doi_________::d379c5f4de957bd2e2b4144967441a6b
https://doi.org/10.1007/978-1-4615-1787-0_13
https://doi.org/10.1007/978-1-4615-1787-0_13
Autor:
Bernhard E. Keiser, Eugene Strange
Publikováno v:
Digital Telephony and Network Integration ISBN: 9781461357216
The desire to conserve spectrum is a very widespread one, prevalent not only with respect to the radiated spectrum, but also significant in terms of the conducted spectrum that exists on any cable transmission facility. Numerous multilevel modulation
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https://doi.org/10.1007/978-1-4615-1787-0_4
https://doi.org/10.1007/978-1-4615-1787-0_4
Autor:
Bernhard E. Keiser, Eugene Strange
Publikováno v:
Digital Telephony and Network Integration ISBN: 9781461357216
Digital Telephony and Network Integration ISBN: 9789401571791
Digital Telephony and Network Integration ISBN: 9789401571791
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdcbec8448dc46b884df61239ee9de79
https://doi.org/10.1007/978-1-4615-1787-0_6
https://doi.org/10.1007/978-1-4615-1787-0_6