JPS6442945A - Transmission controller - Google Patents

Transmission controller

Info

Publication number
JPS6442945A
JPS6442945A JP20031687A JP20031687A JPS6442945A JP S6442945 A JPS6442945 A JP S6442945A JP 20031687 A JP20031687 A JP 20031687A JP 20031687 A JP20031687 A JP 20031687A JP S6442945 A JPS6442945 A JP S6442945A
Authority
JP
Japan
Prior art keywords
quality
block
transmission
value
block number
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP20031687A
Other languages
Japanese (ja)
Inventor
Akira Iwabuchi
Yutaka Ishibashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP20031687A priority Critical patent/JPS6442945A/en
Publication of JPS6442945A publication Critical patent/JPS6442945A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To improve the transmission efficiency by changing the number of consecutive transfer blocks or the length of block based on the quality of a transmission medium changing timewise so as to reduce the retransmission of the blocks due to occurrence of error. CONSTITUTION:A transmission control parameter decision circuit 8 recognizes the quality of a transmission medium 5 by dividing the value of total retransmission block counter 7 by a value of a total transmission block number counter 6. An upper limit and a lower limit of the quality are given to the transmission control parameter circuit 8 and when the quality of the transmission medium 5 is deteriorated from the lower limit value of the quality, the content of the consecutive transfer block number designation register 4 is decremented by one. Moreover, the value of the block length designation register 3 can be changed and both values of the consecutive block number designation register 4 and the block length designation register 3 are can be changed. Thus, the block number encountering the error is reduced and the block number resent due to the occurrence of error is reduced to improve the transmission quality.
JP20031687A 1987-08-10 1987-08-10 Transmission controller Pending JPS6442945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20031687A JPS6442945A (en) 1987-08-10 1987-08-10 Transmission controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20031687A JPS6442945A (en) 1987-08-10 1987-08-10 Transmission controller

Publications (1)

Publication Number Publication Date
JPS6442945A true JPS6442945A (en) 1989-02-15

Family

ID=16422281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20031687A Pending JPS6442945A (en) 1987-08-10 1987-08-10 Transmission controller

Country Status (1)

Country Link
JP (1) JPS6442945A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008001481A1 (en) * 2006-06-29 2008-01-03 Mitsubishi Electric Corporation Communication system, base station, and mobile station

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008001481A1 (en) * 2006-06-29 2008-01-03 Mitsubishi Electric Corporation Communication system, base station, and mobile station
WO2008081865A1 (en) * 2006-06-29 2008-07-10 Mitsubishi Electric Corporation Communication system, base station, and mobile station
US8165083B2 (en) 2006-06-29 2012-04-24 Mitsubishi Electric Corporation Communication system, base station, and mobile station

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