KR920005523A - 이동국의 반속 및 전속 채널간의 전환 방법 - Google Patents

이동국의 반속 및 전속 채널간의 전환 방법 Download PDF

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KR920005523A
KR920005523A KR1019910014515A KR910014515A KR920005523A KR 920005523 A KR920005523 A KR 920005523A KR 1019910014515 A KR1019910014515 A KR 1019910014515A KR 910014515 A KR910014515 A KR 910014515A KR 920005523 A KR920005523 A KR 920005523A
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quality
base station
signal
full speed
function
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KR1019910014515A
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KR100222631B1 (ko
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우덴펠드트 얀
헤르만손 한스
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타게 뢰흐그렌
텔레호낙티에볼라게트 엘 엠 에릭슨
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/208—Arrangements for detecting or preventing errors in the information received using signal quality detector involving signal re-encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/304—Reselection being triggered by specific parameters by measured or perceived connection quality data due to measured or perceived resources with higher communication quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/06—Reselecting a communication resource in the serving access point

Abstract

내용 없음

Description

이동국의 반속 및 전속 채널간의 전환 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 반속 TDMA 채널에서의 타임 슬롯도,
제3도는 전속 TDMA 채널에서의 타임 슬롯도,
제4도는 반속 및 전속 채널을 둘다 가지고 있는 셀들의 설명도.
제5도는 본 발명에 따른 전환 제어 구조의 간략한 흐름도.

Claims (19)

  1. 셀들 내에 있는 다수의 이동국과 통신하기 위한 다수의 기자국들을 갖는 셀 이동 무선 시스템에 있어서, 제1기지국과 적어도 하나의 제1이동국 사이에 신호를 전송하는 단계; 수신된 신호의 질을 주기적으로 평가하는 단계 상기 평가된 질이 제1의 선정된 값 이하이면 상기 신호의 전송 속도를 반속으로 설정하는 단계; 및 상기 평가된 질이 상기 제1의 선정된 값 이상이면 상기 신호의 전송 속도를 전속으로 설정하는 단계를 포함하는 것을 특징으로 하는 통신 및 전환 방법.
  2. 제1항에 있어서, 제2기지국에서 수신된 신호의 질을 주기적으로 평가하는 단계; 및 상기 제2기지국에서의 평가된 질이 상기 제1기지국 및 상기 제1이동국 사이의 평가된 질보다 더 좋으면 상기 제1이동국을 상기 제1기지국에서 상기 제2기지국으로 전환하는 단계를 더 포함하는 것을 특징으로 하는 단계.
  3. 제1항에 있어서, 상기 질이 상기 수신된 신호의 평가된 비트 에러율인 것을 특징으로 하는 방법.
  4. 제1항에 있어서, 상기 질이 상기 이동국과 상기 기지국 사이의 거리의 함수인 것을 특징으로 하는 방법.
  5. 제4항에 있어서, 상기 거리가 타임 슬롯들은 등기시키는데 사용하는 시간정렬로부터 평가되는 것을 특징으로 하는 방법.
  6. 제1항에 있어서, 상기 질이 상기 기지국들에서 측정된 신호세기의 함수인 것을 특징으로 하는 방법.
  7. 제1항에 있어서, 상기 질이 상기 이동국들에서 측정된 신호세기의 함수인 것을 특징으로 하는 방법.
  8. 셀 통신 시스템에 있어서, 한 셀 내에서 진행중인 호출들에 사용되는 통신 채널들 상에서의 정보 전송의 질을 나타내는 패러미터 값들을 직접적으로 또는 간접적으로 평가하는 단계; 질을 나타내는 평가된 패러미터 값들과 정보 전송의 질의 조건들에 의해 설정된 패러미터 값들을 비교하는 단계; 상기 비교가 반속 통신 채널이 상기 호출에 충분한 질을 제공한다는 것을 나타낼 때 적어도 하나의 호출의 통신 채널을 전속에서 반속으로 바꾸는 단계; 및 상기 비교가 전속 통신 채널이 상기 호출에 충분한 질을 제공한다는 것을 나타낼 때 적어도 하나의 호출의 통신 채널을 반속에서 전속으로 바꾸는 단계를 포함하는 것을 특징으로 하는 통신 제어 방법.
  9. 제8항에 있어서, 상기 질이 거리의 함수인 것을 특징으로 하는 방법.
  10. 제9항에 있어서, 상기 거리가 타임 슬롯들을 동기시키기 위하여 사용되는 시간 정렬로부터 평가되는 것을 특징으로 하는 방법.
  11. 제8항에 있어서, 상기 질이 상기 정보 전송의 평가된 비트 에러율의 함수인 것을 특징으로 하는 방법.
  12. 제8항에 있어서, 상기 질이 측정된 신호 세기의 함수인 것을 특징으로 하는 방법.
  13. 셀들 내에 다수의 기지국들을 갖는 셀 이동 무선 시스템에 있어서, 제1 기지국과 적어도 제1 이동국 사이에 통화 신호를 전송하는 단계; 상기 수신된 통화 신호의 질을 주기적으로 평가하는 단계; 만약 상기 통화 신호의 평가된 질이 요구되는 것보다 더 낮으면 상기 이동국을 제1기지국의 반속 채널로 지정하는 단계; 및 만약 상기 통화 신호의 평가된 질이 수용가능하면 상기 이동국을 제1기지국의 전속 채널로 지정하는 단계를 포함하는 것을 특징으로 하는 통신 및 전환 방법.
  14. 제13항에 있어서, 제2기지국에서 상기 수신된 통화 신호의 질을 주기적으로 평가하는 단계; 및 상기 제2기지국의 평가된 질이 상기 제1기지국과 상기 제1 이동국 사이의 평가된 질보다 더 좋으면 상기 제1이동국을 상기 제1기지국에서 상기 제2기지국으로 전환하는 단계를 더 포함하는 것을 특징으로 하는 방법.
  15. 제14항에 있어서, 상기 질이 상기 수신된 신호의 평가된 비트 에러율인 것을 특징으로 하는 방법.
  16. 제14항에 있어서, 상기 질이 상기 이동국과 상기 기지국들 사이의 거리의 함수인 것을 특징으로 하는 방법.
  17. 제16항에 있어서, 상기 거리가 타임 슬롯들을 동기시키는데 사용되는 시간 정렬로부터 평가되는 것을 특징으로 하는 방법.
  18. 제14항에 있어서, 상기 질이 상기 기지국들에서 측정된 신호세기의 함수인 것을 특징으로 하는 방법.
  19. 제14항에 있어서, 상기 질이 상기 이동국들에서 측정된 신호세기의 함수인 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910014515A 1990-08-23 1991-08-22 이동국의 반속 및 전속 채널간의 핸드오프 방법 KR100222631B1 (ko)

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US57140590A 1990-08-23 1990-08-23
US571,405 1990-08-23

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KR920005523A true KR920005523A (ko) 1992-03-28
KR100222631B1 KR100222631B1 (ko) 1999-10-01

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US (1) US5327576A (ko)
EP (1) EP0472511B1 (ko)
JP (1) JP3081681B2 (ko)
KR (1) KR100222631B1 (ko)
AT (1) ATE150606T1 (ko)
AU (1) AU642760B2 (ko)
CA (1) CA2049712C (ko)
DE (1) DE69125227T2 (ko)
DK (1) DK0472511T3 (ko)
ES (1) ES2101736T3 (ko)
GR (1) GR3022879T3 (ko)
HK (1) HK100397A (ko)
MX (1) MX9100700A (ko)
NZ (1) NZ239283A (ko)

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DE69125227T2 (de) 1997-07-03
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AU642760B2 (en) 1993-10-28
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AU8261991A (en) 1992-02-27
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