KR967001567A - Location registration method for a cellular satellite communications system (position registration for cellular satellite communication systems) - Google Patents

Location registration method for a cellular satellite communications system (position registration for cellular satellite communication systems) Download PDF

Info

Publication number
KR967001567A
KR967001567A KR1019950703801A KR19950703801A KR967001567A KR 967001567 A KR967001567 A KR 967001567A KR 1019950703801 A KR1019950703801 A KR 1019950703801A KR 19950703801 A KR19950703801 A KR 19950703801A KR 967001567 A KR967001567 A KR 967001567A
Authority
KR
South Korea
Prior art keywords
mobile phone
method
communication system
cellular
satellite
Prior art date
Application number
KR1019950703801A
Other languages
Korean (ko)
Inventor
파울 더블유. 덴트
알렉스 케이. 라이스
Original Assignee
만스 에케뢰프
에릭슨 지이 모빌 커뮤니케이션즈 인크.
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
Priority to US17995894A priority Critical
Priority to US8/179,958 priority
Application filed by 만스 에케뢰프, 에릭슨 지이 모빌 커뮤니케이션즈 인크. filed Critical 만스 에케뢰프
Priority to PCT/US1995/000318 priority patent/WO1995019094A1/en
Publication of KR967001567A publication Critical patent/KR967001567A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18545Arrangements for managing station mobility, i.e. for station registration or localisation
    • H04B7/18547Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
    • H04B7/1855Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18545Arrangements for managing station mobility, i.e. for station registration or localisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

위성 통신 시스템내의 휴대폰(120)의 위치를 결정하는 방법에 있어서, 휴대폰(120)은 다수의 페이징 채널을 스캔하고 그 페이징 채널의 신호 강도를 측정한다. A method for determining the location of mobile phone 120 in the satellite communication system, the mobile phone 120 is scanning a plurality of paging channels and measures the signal strength of the paging channels.

Description

셀룰러 위성 통신 시스템을 위한 위치 등록 방법(POSITION REGISTRATION FOR CELLULAR SATELLITE COMMUNICATION SYSTEMS) Location registration method for a cellular satellite communications system (POSITION REGISTRATION FOR SATELLITE CELLULAR COMMUNICATION SYSTEMS)

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음 This information did not disclose more professional information because lumbar Articles

제1도는 본 발명에 의한 제1실시예의 위성 통신 시스템을 도시 First turn shows a first embodiment of a satellite communication system according to the invention

제2도는 본 발명에 의한 제1실시예에 의한 휴대폰의 위치를 결정하는 방법에 대한 흐름도 A second turning a flow chart of a method for determining the location of the mobile phone according to the first embodiment of the present invention

제3도는 본 발명에 의한 제2실시예에 의한 위성 통신 시스템에서의 휴대폰을 등록하는 방법에 대한 흐름도 The third turning a flow chart of a method for registering a mobile phone in a satellite communication system according to a second embodiment of the present invention

제4도는 본 발명에 의한 제3실시예를 도시하는 흐름도 The fourth turning a flow chart showing a third embodiment according to the present invention

제5도는 본 발명에 의한 제4실시예를 도시하는 흐름도 The fifth turning a flow chart showing a fourth embodiment according to the present invention

제6도는 3-색/3-채널 예에서의 인터스티셜 빔의 배치를 도시하는 도식도 The sixth turning diagram showing the arrangement of interstitial beams in a 3-color / 3-channel example, FIG.

제7도는 본 발명에 의한 제1실시예에 따른 통신망에서의 호출 정보의 흐름도 The seventh turn of the call flow diagram of information in a communication network according to a first embodiment of the present invention

Claims (28)

  1. 위성 통신 시스템에서 휴대폰(mobile radio telephone)의 위치를 결정하는 방법에 있어서, 상기 휴대폰에서의 다수의 페이징 채널(paging channel)을 스캔하는 단계; A method for determining the location of a cell phone (mobile radio telephone) in a satellite communication system, the method comprising: scanning a plurality of paging channel (paging channel) in the mobile phone; 상기 페이징 채널의 신호 강도를 측정하는 단계; Measuring a signal strength of said paging channels; 가장 강한 신호 강도의 페이징 채널을 선택하는 단계; Selecting a paging channel of the strongest signal strength; 상기 페이징 채널로 방송된 정보를 디코드하는 단계로서, 상기 정보는 주변의 스팟 빔(spot beam)내의 페이징 채널의 주파수를 포함하는 단계; The method comprising the steps of decoding the broadcast information to the paging channel, the information includes the frequency of the paging channel in the peripheral spot beam (spot beam); 상기 주변 스팟 빔내의 페이징 채널의 신호 강도를 측정하는 단계; Measuring a signal strength of paging channels in said surrounding spot beams; 및 상기 휴대폰의 근사화된 위치를 결정하도록 상기 측정을 양지화하는 단계를 포함하는 것을 특징으로 하는 휴대폰의 위치의 결정 방법. And a method of determining the location of the mobile phone characterized in that it comprises the step of screen note the measurements to determine the approximate location of the mobile phone.
  2. 제1항에 있어서, 상기 근사화된 위치를 커버하는 제1스팟 빔내의 페이징 채널을 이용한 상기 휴대폰을 페이징하는 단계를 더 포함하는 것을 특징으로 하는 휴대폰의 위치의 결정 방법. The method of claim 1, wherein the method of determining the location of the mobile phone according to claim 1, further comprising the step of paging the mobile phone using the paging channel in a first spot beam which covers said approximate position.
  3. 제2항에 있어서, 상기 시스템은 상기 제1스팟 빔을 둘러싸는 스팟 빔의 페이징 채널상에서 상기 휴대폰을 페이징하는 것을 특징으로 하는 휴대폰의 위치의 결정 방법. The method of claim 2, wherein the system is a determination of the location of the mobile phone characterized in that paging the mobile phone on the paging channels of spot beams said first beam surrounding the spot.
  4. 제1항에 있어서, 상기 휴대폰은 트래픽 채널(traffic channel)의 신호 강도를 측정하는 것을 특징으로 하는 휴대폰의 위치의 결정 방법. The method of claim 1, wherein the mobile phone is no way of determining the location of the mobile phone, characterized in that for measuring the signal strength of the traffic channel (traffic channel).
  5. 제1항에 있어서, 페이징 채널의 신호 강도는감산적인 복조를 이용해서 측정되는 것을 특징으로 하는 휴대폰의 위치의 결정 방법. The method of claim 1, wherein the signal strength of the paging channel to determine how the position of the handset, characterized in that, as measured by using a subtractive demodulation.
  6. 제1항에 있어서, 어떤 타임 슬롯(time slot)내에서 휴대폰의 측정된 신호 강도가 증가하고 감소하는지를 결정하는 단계; The method of claim 1, further comprising: determining whether any time slot (time slot) increases the measured signal strength of the mobile phone in the decreasing; 및 어떤 타임 슬롯에서 측정 강도가 증가하고 감소하는지를 기초로 한 휴대폰의 근사적 위치를 계산하는 단계를 더욱 포함하는 것을 특징으로 하는 휴대폰의 위치의 결정 방법. And any method of determining the time slot position of the handset, characterized in that further comprising the step of increasing the intensity measurement, and calculate the approximate position on the basis of whether the reduction in cell phones.
  7. 위성 통신 시스템에서 휴대폰을 등록(registering)하는 방법에 있어서, 상기 휴대폰에서의 다수의 위성 페이징 채널을 스캔하는 단계; A method for registration (registering) the phone in a satellite communication system, the method comprising: scanning a plurality of satellite paging channels at said mobile phone; 상기 위성 페이징 채널의 신호 강도를 측정하는 단계; Measuring a signal strength of said satellite paging channels; 측정된 신호 강도를 이용하여 상기 휴대폰의 근사적 절대 위치(absolute position)를 계산하는 단계; Using the measured signal strength calculating the approximate absolute position (absolute position) of the mobile phone; 휴대폰에 의해 위성 통신 시스템에 억세스하고 등록을 요구하는 단계; Steps that require access and register for the satellite communication system by a mobile phone; 및 상기 위성 시스템으로부터 상기 등록의 확인(acknowledgement)를 수신하는 단계를 포함하는 것을 특징으로 하는 휴대폰의 등록 방법. And registration method of the mobile phone characterized in that it comprises the step of receiving a confirmation (acknowledgement) of said registration from said satellite system.
  8. 제7항에 있어서, 상기 휴대폰에 대한 상기 근사적 절대 위치를 전송(transmitting)하는 단계를 더 포함하는 것을 특징으로 하는 휴대폰의 등록 방법. The method of claim 7, wherein the registration method of the mobile phone according to claim 1, further comprising the step of sending (transmitting) the approximate absolute position for the mobile phone.
  9. 제7항에 있어서, 상기 확인에 응답하여 상기 위성 통신 시스템에 대한 상기 측정된 신호 강도를 송신(sending)하는 단계를 더 포함하는 것을 특징으로 하는 휴대폰의 등록 방법. The method of claim 7, wherein the registration method of the mobile phone according to claim 1, further comprising the step of in response to the confirmation transmission (sending) the signal strength of the measurement for the satellite communication system.
  10. 제7항에 있어서, 상기 휴대폰은 상기 확인을 수신한 이후에 타임 슬립 모드(time sleep mode)로 들어가는 것을 특징으로 하는 휴대폰의 등록 방법. The method of claim 7, wherein the mobile phone is registered in the cellular phone method, characterized in that into the time slip mode (sleep mode time) after receiving the confirmation.
  11. 제7항에 있어서, 상기 휴대폰은 상기 근사화된 절대 위치가 선정의 값만큼 변화하지 않을 때 타임 슬립 모드로 들어가는 것을 특징으로 하는 휴대폰의 등록 방법. The method of claim 7, wherein the registration method of the mobile phone, characterized in that the mobile phone enters the sleep mode when the time does not change as long as the value of the approximated absolute positioning.
  12. 위성 통신 시스템에서의 휴대폰의 등록 방법에 있어서, 상기 휴대폰에서의 다수의 페이징 채널의 신호 강도를 측정하는 단계; In the registration process of the mobile phone in a satellite communication system, the method comprising: measuring a signal strength of the plurality of paging channels at said mobile phone; 상기 측정된 신호 강도를 이용하여 상기 휴대폰의 절대 위치를 계산하는 단계; Calculating the absolute position of the cellular phone using the measured signal strength; 상기 절대 위치가 선정의 값만큼 변화할 때를 결정하는 단계; Phase in which the absolute position determining when to change by the value of the selection; 및 상기 절대 위치가 선정의 값만큼 변화했을 때 상기 시스템에 재등록하는 단계를 포함하는 것을 특징으로 하는 휴대폰의 등록 방법. And registration method of the mobile phone characterized in that it comprises the step of re-register with the system when the absolute position would change as the value of the selection.
  13. 이중 모드 위성/셀룰러 통신 시스템의 일부인 위성 통신 시스템에서 휴대폰을 등록하는 방법에 있어서, 휴대폰에 의해 셀룰러 통신 시스템내의 양호한 호출 채널을 모니터하는 단계; In the dual-mode method for registering a mobile phone in a satellite communication system which is part of a satellite / cellular communication system, the method comprising: monitoring a preferred calling channel in the cellular communication system by a mobile phone; 양호한 호출 채널의 값이 선정의 임계값이하로 떨어지는 것을 휴대폰이 결정할 때 호출 채널의 선택적 리스트를 스캔하는 단계; That the value of the preferred calling channel falls below a threshold value of the selection step of the mobile phone scans the list of selective call channels to determine; 선택적 리스트상의 어느 호출 채널이 선정의 임계값이하의 신호 값을 가지는가를 결정하는 단계; Further comprising: a paging channel on which an optional list determines gajineunga a signal value of less than or equal to the threshold value of the selection; 어떤 호출 채널도 선정의 임계값 이상의 신호값을 가지지 않을 때, 셀룰러 통신 시스템에 해제 신호(deregistration signal)를 전송하는 단계; When any paging channel does not have the threshold value or more signals of selection, sending a release signal (deregistration signal) in the cellular communication system; 휴대폰의 셀룰러 시스템내의 바로 전에 알려진 위치를 해제 신호가 수신된 이후에 위성 통신 시스템에 전송하는 단계; Transmitting a location known immediately before in the mobile phone of a cellular system to the satellite communication system after the release signal has been received; 및 상기 해제 신호를 송신한 이후에 셀룰러 모드로부터 위성 모드로 휴대폰을 절환하는 단계를 포함하는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. And a method for registering a mobile phone in a satellite communication system characterized in that it comprises the step of switching the cellular phone in the satellite mode, the cellular mode after transmitting the release signal.
  14. 제13항에 있어서, 선택적 호출 신호의 상기 리스트는 상기 셀룰러 통신 시스템에 의해 연속적으로 방송되는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. 14. The method of claim 13 wherein the list of the selective call signal is for registering a mobile phone in a satellite communication system characterized in that the broadcast continuously by the cellular communication system.
  15. 제13항에 있어서, 선택적 호출 신호의 상기 리스트는 등록시 휴대폰에 전송되는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. 14. The method of claim 13 wherein the list of the selective call signal is for registering a mobile phone in a satellite communication system characterized in that the transmission at the time of registration the mobile phone.
  16. 제13항에 있어서, 상기 휴대폰에서 다수의 셀룰러 페이징 채널을 스캔하는 단계; 14. The method of claim 13, wherein the step of scanning a plurality of cellular paging channels at said mobile phone; 상기 페이징 채널의 신호 강도를 측정하는 단계; Measuring a signal strength of said paging channels; 가장 강한 신호 강동듸 페이징 채널을 선택하는 단계; Selecting the strongest signal Koto dui paging channel; 상기 페이징 채널로 방송되는 정보를 디코드하는 단계로서, 상기 정보는 주변 스팟 빔의 페이징 채널의 주파수를 포함하는 단계; The method comprising the steps of decoding information to be broadcast by the paging channel, the information includes the frequency of the paging channel of the surrounding spot beams; 상기 주변의 수팟 빔의 페이징 채널의 신호 강도를 측정하는 단계; Measuring a signal strength of paging channels in supat beam of the peripheral; 및 상기 휴대폰의 근사화된 위치를 결정하도록 상기 측정치를 양자화하는 단계를 더 포함하는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. And a method for registering a mobile phone in a satellite communication system according to claim 1, further comprising the step of quantizing said measurements to determine an approximate location of the mobile phone.
  17. 제13항에 있어서, 휴대폰에서 셀룰러 통신 시스템으로부터의 호출 채널이 선정의 임계값이상의 신호값을 가지는 것을 감지하는 단계; 14. The method of claim 13, wherein the paging channel from the cellular communication system the mobile phone detects that it has a threshold value or more signals of selection; 셀룰러 통신 시스템에 재등록하는 단계; The step of re-registration in a cellular communication system; 및 휴대폰을 해제하도록 상기 셀룰러 통신 시스템으로부터의 상기 위상 통신 신호에 대한 제2해제 신호를 전송하는 단계를 더 포함하는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. And a method for registering a mobile phone in a satellite communication system according to claim 1, further comprising transmitting a second reset signal for the phase of the communication signal from said cellular communication system to turn off the cell phone.
  18. 제17항에 있어서, 상기 제2해제 신호는 지상선(land line)에 의해 상기 위성 통신 시스템에 전송되는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. 18. The method of claim 17, wherein said second cancellation signal is method for registering a mobile phone in a satellite communication system characterized in that the transmission to said satellite communication system by land line (land line).
  19. 제13항에 있어서, 셀룰러 통신 시스템이 상기 휴대폰으로부터의 해제 신호를 수신한 이후에, 셀룰러 시스템은 위성 통신 시스템에서와 같이 홈 위치 레지스터(home location register)에 휴대폰의 위치를 리스트하는 것을 특징으로하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. The method of claim 13, wherein after the cellular communication system receives the release signal from the cellular phone, the cellular system is characterized in that the list of the location of the phone to a home location register (home location register) such as in a satellite communication system how to register your mobile phone in a satellite communication system.
  20. 제17항에 있어서, 휴대폰이 셀룰러 통신 시스템에 등록한 이후에, 셀룰러 시스템이 홈 위치 레지스터에 휴대폰의 위치를 리스트하는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. The method of claim 17 wherein the mobile phone is a mobile phone registered in a satellite communication system characterized in that after the registration in a cellular communication system, the cellular system lists the location of the phone to a home location register.
  21. 제13항에 있어서, 상기 위성 시스템은 상기 휴대폰의 바로 전에 알려진 위치를 홈 위치 레지스터에 통지하는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. The method of claim 13, wherein the satellite system method for registering a mobile phone in a satellite communication system characterized in that it notifies the known position just before the phone to a home location register.
  22. 제13항에 있어서, 상기 셀룰러 시스템은 상기 휴대폰의 바로 전에 알려진 위치를 홈 위치 레지스터에 통지하는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. The method of claim 13 wherein the cellular system is a method for registering a mobile phone in a satellite communication system characterized in that it notifies the known position just before the phone to a home location register.
  23. 제22항에 있어서, 상기 셀룰러 시스템은 상기 휴대폰의 바로 전에 알려진 위치로부터 방문자 위치 레지스터 인식(Visitor Location Register Identification)을 결정하고, 상기 방문자 위치 레지스터 인식을 홈 위치 레지스터로 전송하는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. 23. The method of claim 22, wherein the cellular system is a satellite communication, characterized in that for determining the visitor location register recognition (Visitor Location Register Identification) from a position immediately known before the mobile phone, and sends the visitor location register identified as the home location register how to register your mobile phone in the system.
  24. 제23항에 있어서, 상기 셀룰러 시스템은 상기 방문자 위치 레지스터 인식으로부터 위성 가상 방문자 위치 레지스터 인식을 결정하는 것을 특징으로 하는 위성 통신 시스템에서 휴대폰을 등록하는 방법. The method of claim 23, wherein the cellular system is a method for registering a mobile phone in a satellite communication system, characterized in that for determining a satellite virtual Visitor Location Register recognized from the visitor location register recognition.
  25. 휴대폰이 이중 통신 모드인 위성/셀룰러 통신 시스템의 셀룰러 호출 채널을 찾도록 위성 통신 시스템에 리슨하는 것을 돕는 방법에 있어서, 각 위성 페이징 채널의 주어진 영역에 대한 셀룰러 호출 채널 주파수의 리스트를 방송하는 단계; Step of the method which helps to listen to the satellite communication system to the mobile phone to find a cellular calling channel in duplex mode satellite / cellular communication system, broadcasting a list of cellular calling channel frequencies for a given area on each satellite paging channel; 휴대폰에서의 셀룰러 호출 채널 주파수의 상기 리스트를 수신하는 단계; Receiving said list of cellular calling channel frequencies of the mobile phone; 셀룰러 호출 채널의 신호 강도를 측정하는 단계; Measuring a signal strength of the cellular calling channels; 셀룰러 호출 채널의 상기 신호 강도가 휴대폰에서의 선정의 임계값 이상인지를 결정하는 단계; Wherein the signal strength of the cellular calling channels is above the threshold value for determining whether the selection of the mobile phone; 및 셀룰러 호출 채널중의 하나가 선정의 임계값 이상인지를 휴대폰이 결정할 때 셀룰러 통신 시스템에 등록하는 단계를 포함하는 것을 특징으로 하는 위성/셀룰러 통신 시스템의 셀룰러 호출 채널을 찾도록 위성 통신 시스템에 리슨하는 것을 돕는 방법. And cellular calls listen to a satellite / cellular communications satellite communication system to locate a cellular calling channel of a system that features comprising the step of registering with the cellular communication system when one of the channels, the mobile phone determines whether more than a threshold value of the selected how to help.
  26. 제25항에 있어서, 휴대폰이 매 선정의 시간 주기마다 한번 셀룰러 호툴 채널의 신호 강도를 측정하는 것을 특징으로 하는 위성/셀룰러 통신 시스템의 셀룰러 호출 채널을 찾도록 위성 통신 시스템에 리슨하는 것을 돕는 방법. 26. The method of claim 25, which helps to listen to the satellite communication system to the mobile phone to find a cellular calling channel in a satellite / cellular communication system, characterized in that for measuring the signal strength of one the cellular hotul channel in each time period of each selection.
  27. 제25항에 있어서, 휴대폰을 해제하도록 상기 셀룰러 통신 신호로부터 해제 신호를 상기 위성 통신 신호로 전송하는 단계를 더 포함하는 것을 특징으로 하는 위성/셀룰러 통신 시스템의 셀룰러 호출 채널을 찾도록 위성 통신 시스템에 리슨하는 것을 돕는 방법. 26. The method of claim 25, the off signal from said cellular communication signal to release the satellite / cellular satellite communication system, the communication to find a cellular calling channel in the system according to claim 1, further comprising the step of transmitting to said satellite communication signal, the mobile phone how to help to listen.
  28. 제27항에 있어서, 상기 해제 신호가 지상선(land line)에 의해 상기 위성 통신 시스템에 전송되는 것을 특징으로 하는 위성/셀룰러 통신 시스템의 셀룰러 호출 채널을 찾도록 위성 통신 시스템에 리슨하는 것을 돕는 방법. The method of claim 27 wherein the means to help in that the release signal is listening to a satellite communication system to find a cellular calling channel in a satellite / cellular communication system, characterized in that the transmission of the satellite communication system by land line (land line).
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임. ※ Note: Will you disclose by the first application information.
KR1019950703801A 1994-01-11 1995-01-11 Location registration method for a cellular satellite communications system (position registration for cellular satellite communication systems) KR967001567A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US17995894A true 1994-01-11 1994-01-11
US8/179,958 1994-01-11
PCT/US1995/000318 WO1995019094A1 (en) 1994-01-11 1995-01-11 Position registration for cellular satellite communication systems

Publications (1)

Publication Number Publication Date
KR967001567A true KR967001567A (en) 1996-02-24

Family

ID=22658690

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950703801A KR967001567A (en) 1994-01-11 1995-01-11 Location registration method for a cellular satellite communications system (position registration for cellular satellite communication systems)

Country Status (16)

Country Link
US (1) US6542716B1 (en)
EP (1) EP0662758B1 (en)
JP (1) JPH08510610A (en)
KR (1) KR967001567A (en)
CN (1) CN1071979C (en)
AT (1) AT197860T (en)
AU (1) AU680348B2 (en)
BR (1) BR9505638A (en)
CA (1) CA2156738A1 (en)
DE (2) DE69519484D1 (en)
EG (1) EG20504A (en)
FI (1) FI954209A0 (en)
MX (1) MX9503862A (en)
SG (1) SG55053A1 (en)
WO (1) WO1995019094A1 (en)
ZA (1) ZA9500170B (en)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6970434B1 (en) * 1995-06-07 2005-11-29 Broadcom Corporation Hierarchical communication system providing intelligent data, program and processing migration
US7924783B1 (en) 1994-05-06 2011-04-12 Broadcom Corporation Hierarchical communications system
US5907809A (en) * 1994-01-11 1999-05-25 Ericsson Inc. Position determination using multiple base station signals
US6195555B1 (en) 1994-01-11 2001-02-27 Ericsson Inc. Method of directing a call to a mobile telephone in a dual mode cellular satellite communication network
SG55053A1 (en) 1994-01-11 1998-12-21 Erricsson Inc Position registration for cellular satellite communication systems
US6868270B2 (en) 1994-01-11 2005-03-15 Telefonaktiebolaget L.M. Ericsson Dual-mode methods, systems, and terminals providing reduced mobile terminal registrations
MX9704862A (en) * 1995-01-05 1997-10-31 Ericsson Inc Position registration for mobile phones.
GB2303764A (en) 1995-07-28 1997-02-26 Int Mobile Satellite Org Communication with a mobile station in an unknown spot beam
US5937352A (en) * 1996-05-13 1999-08-10 Trw Inc. Satellite-based cellular telecommunications system utilizing an earth station subsystem
US5890062A (en) * 1996-05-16 1999-03-30 Trw Inc. Satellite-based cellular telecommunications system utilizing a multiple registration location register
AU6987896A (en) * 1996-09-06 1998-03-26 Brigitta Wagner Wireless communications system using beam direction multiplexing
GB2317303B (en) * 1996-09-09 1998-08-26 I Co Global Communications Communications apparatus and method
GB2323988A (en) * 1997-04-01 1998-10-07 Ico Services Ltd Refining a satellite position estimate
US6175719B1 (en) * 1997-06-25 2001-01-16 Hughes Electronics Corporation Multi-spot-beam satellite system with broadcast and surge capacity capability
WO1999003214A1 (en) 1997-07-14 1999-01-21 Hughes Electronics Corporation Mobile satellite system having an imrproved signaling channel
US6560461B1 (en) 1997-08-04 2003-05-06 Mundi Fomukong Authorized location reporting paging system
FI110658B (en) 1998-01-15 2003-02-28 Nokia Corp Improved positioning geometry and cell based positioning system
EP0967739A1 (en) 1998-06-24 1999-12-29 ICO Services Ltd. Measurement of cellular environment in idle mode and transmission to central at beginning of call
US6515617B1 (en) * 1998-09-01 2003-02-04 Hughes Electronics Corporation Method and system for position determination using geostationary earth orbit satellite
WO2000014902A2 (en) * 1998-09-08 2000-03-16 Angel Technologies Corporation Network for providing wireless communications using an atmospheric platform
US6414944B1 (en) 1998-10-08 2002-07-02 Ericsson Inc. Management of spotbeam selection information in satellite mobile communication systems
US6553225B1 (en) 1999-02-03 2003-04-22 Wei Zhao Apparatus and method for positioning single-offset zones in a spot beam coverage area to maximize call duration in a satellite-based communications network
US6332069B1 (en) 1999-02-10 2001-12-18 Hughes Electronics Corporation Apparatus and method for grouping carriers to minimize the occurrence of call blocking in a satellite-based communications network
EP1033830B1 (en) * 1999-03-04 2002-11-13 ICO Services Ltd. Neighbouring cell list generation in a mobile satellite communication system
EP1041739A1 (en) * 1999-03-30 2000-10-04 ICO Services Ltd. Idle mode cell selection
US7215650B1 (en) 1999-08-16 2007-05-08 Viasat, Inc. Adaptive data rate control for narrowcast networks
JP3488144B2 (en) * 1999-08-24 2004-01-19 松下電器産業株式会社 Location notification device
JP2001160801A (en) * 1999-12-02 2001-06-12 Sony Corp Method and system for transmitting duplex digital data
JP2001309419A (en) * 2000-04-21 2001-11-02 Fujitsu Ltd Position registration method for mobile communication system, and its mobile unit
US7142520B1 (en) * 2000-06-16 2006-11-28 Nokia Mobile Phones Ltd. Method and apparatus for mobile internet protocol regional paging
US6859652B2 (en) 2000-08-02 2005-02-22 Mobile Satellite Ventures, Lp Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis
US7792488B2 (en) 2000-12-04 2010-09-07 Atc Technologies, Llc Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength
US20030069750A1 (en) * 2000-08-11 2003-04-10 Sony Corporation System for automatic device registration
US7079511B2 (en) * 2000-12-06 2006-07-18 Qualcomm, Incorporated Method and apparatus for handoff of a wireless packet data services connection
CA2440609C (en) * 2001-02-12 2011-05-24 Ico Services Limited Communications apparatus and method
JP3717805B2 (en) * 2001-06-07 2005-11-16 三洋電機株式会社 Mobile communication terminal
US7373105B2 (en) * 2001-11-07 2008-05-13 The Aerospace Corporation Method of determining communication link quality employing beacon signals
JP4007812B2 (en) * 2002-01-18 2007-11-14 富士通株式会社 Raman amplifier, wavelength division multiplexing optical communication system, and control method of Raman amplification
EP1518339A1 (en) * 2002-06-24 2005-03-30 QUALCOMM Incorporated Method for return link synchronisation in an orthogonal cdma satellite system
US7751826B2 (en) 2002-10-24 2010-07-06 Motorola, Inc. System and method for E911 location privacy protection
GB2413914B (en) * 2003-01-16 2007-04-04 Obs Inc Systems and methods for mobile security and monitoring
US7155169B2 (en) * 2003-02-24 2006-12-26 Autocell Laboratories, Inc. Program for ascertaining a dynamic attribute of a system
US7869822B2 (en) * 2003-02-24 2011-01-11 Autocell Laboratories, Inc. Wireless network apparatus and system field of the invention
CN1319405C (en) * 2003-03-27 2007-05-30 华为技术有限公司 Method of locating target user equipment in audio monitoring system and its system
US7366516B1 (en) 2003-05-14 2008-04-29 Sprint Spectrum L.P. Localized SMS messaging based on location of a mobile station
CN100486145C (en) 2003-08-15 2009-05-06 华为技术有限公司 Method and device for realizing air monitoring
US7440472B2 (en) * 2003-08-28 2008-10-21 Tekelec Methods and systems for providing wireless local area network (WLAN)—base transceiver station (BTS) gateway
JP4534233B2 (en) * 2003-09-05 2010-09-01 インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Maschines Corporation Automatic detection of mobile devices
AU2004306121B2 (en) * 2003-09-23 2009-06-25 Atc Technologies, Llc Systems and methods for mobility management in overlaid satellite and terrestrial communications systems
US7466679B2 (en) * 2003-12-31 2008-12-16 Motorola, Inc. Method and system for maintaining registration information for multiple communication areas
WO2006031927A2 (en) * 2004-09-15 2006-03-23 Tekelec Methods, systems, and computer program products for providing wireless-fidelity (wi-fi) gateway visitor location register (vlr) functionality
KR100584377B1 (en) 2004-09-25 2006-05-26 삼성탈레스 주식회사 Beacon signal receiving apparatus and method for immunizing from frequency offset
KR100677428B1 (en) * 2005-01-29 2007-02-02 엘지전자 주식회사 Mobile communication termina
US20060171335A1 (en) * 2005-02-03 2006-08-03 Michael Yuen Backup channel selection in wireless LANs
US20060171304A1 (en) * 2005-02-03 2006-08-03 Hill David R WLAN background scanning
US20060171305A1 (en) * 2005-02-03 2006-08-03 Autocell Laboratories, Inc. Access point channel forecasting for seamless station association transition
US7796986B2 (en) * 2005-03-11 2010-09-14 Atc Technologies, Llc Modification of transmission values to compensate for interference in a satellite down-link communications
US20060246899A1 (en) 2005-04-28 2006-11-02 Research In Motion Limited System and method for providing network advertisement information via a network advertisement broker (NAB)
US7593711B2 (en) 2005-05-18 2009-09-22 Lojack Operating Company, Lp Vehicle locating unit with improved power management method
US20070004404A1 (en) * 2005-07-01 2007-01-04 Research In Motion Limited System and method for accelerating network selection by a wireless user equipment (UE) device using satellite-based positioning system
US8428584B2 (en) 2005-07-01 2013-04-23 Research In Motion Limited System and method for accelerating network selection by a wireless user equipment (UE) device
US8411616B2 (en) 2005-11-03 2013-04-02 Piccata Fund Limited Liability Company Pre-scan for wireless channel selection
EP1980124B1 (en) * 2006-01-27 2017-03-29 Telefonaktiebolaget LM Ericsson (publ) Path loss polygon positioning
DE102006008463A1 (en) * 2006-02-17 2007-08-23 Kaco Gmbh + Co. Kg Test device for detecting the vapor emission at at least one leakage point, preferably in mechanical seals, in particular in the automotive sector
US8010105B2 (en) 2006-05-19 2011-08-30 Research In Motion Limited System and method for facilitating accelerated network selection using a weighted network list
US8428586B2 (en) 2006-05-19 2013-04-23 Research In Motion Limited System and method for facilitating accelerated network selection in a radio network environment
US8009628B2 (en) * 2007-02-28 2011-08-30 Telefonaktiebolaget Lm Ericsson (Publ) Private mobility management enhancements
US20090154386A1 (en) * 2007-12-18 2009-06-18 Tricci So Wimax multicast broadcast services (mbs) efficient handover and power saving support for intra and inter-mbs zones
US8601146B2 (en) * 2009-10-21 2013-12-03 Tekelec, Inc. Methods, systems, and computer readable media for session initiation protocol (SIP) identity verification
US8897224B2 (en) 2011-07-27 2014-11-25 Marvell World Trade Ltd. Reducing public land mobile network PLMN search time
US10136391B2 (en) * 2012-01-05 2018-11-20 Tara Chand Singhal System and method to enhance battery life in cell phone devices
US8923858B2 (en) * 2012-02-21 2014-12-30 Marvell World Trade Ltd. Parallel multi-RAT PLMN search
US8938016B1 (en) 2012-09-18 2015-01-20 Marvell International Ltd. Fast identification of OFDM signal
GB2513302A (en) * 2013-04-15 2014-10-29 Inmarsat Global Ltd Transmitter positioning for satellite communications
JP2018521594A (en) * 2015-07-24 2018-08-02 クアルコム,インコーポレイテッド Satellite communication location reporting and paging
EP3329616B1 (en) * 2015-07-27 2019-03-27 Signify Holding B.V. Light emitting device for generating light with embedded information

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200965A1 (en) * 1982-01-14 1983-07-21 Siemens Ag Adjacent radio cell organization channel-referencing system
US4972456A (en) 1989-02-10 1990-11-20 Gte Mobilnet Incorporated Rural radiotelephone system
US5187805A (en) 1989-10-02 1993-02-16 Motorola, Inc. Telemetry, tracking and control for satellite cellular communication systems
US5287541A (en) * 1989-11-03 1994-02-15 Motorola, Inc. Global satellite communication system with geographic protocol conversion
JP2833818B2 (en) * 1990-03-14 1998-12-09 エヌ・ティ・ティ移動通信網株式会社 Location registration system
US5073900A (en) * 1990-03-19 1991-12-17 Mallinckrodt Albert J Integrated cellular communications system
US5081703A (en) 1990-06-27 1992-01-14 Pactel Corporation Satellite mobile communication system for rural service areas
US5119504A (en) 1990-07-19 1992-06-02 Motorola, Inc. Position aided subscriber unit for a satellite cellular system
US5151919A (en) 1990-12-17 1992-09-29 Ericsson-Ge Mobile Communications Holding Inc. Cdma subtractive demodulation
US5218619A (en) * 1990-12-17 1993-06-08 Ericsson Ge Mobile Communications Holding, Inc. CDMA subtractive demodulation
US5208756A (en) * 1991-01-28 1993-05-04 Song Han L Vehicle locating and navigating system
DE69227269T2 (en) * 1991-02-25 1999-06-02 Motorola Inc Object location system
US5303286A (en) * 1991-03-29 1994-04-12 Space Systems/Loral, Inc. Wireless telephone/satellite roaming system
CA2078932C (en) * 1991-10-10 2003-12-02 Robert A. Wiedeman Satellite telecommunications system using network coordinating gateways operative with a terrestrial communication system
US5526404A (en) * 1991-10-10 1996-06-11 Space Systems/Loral, Inc. Worldwide satellite telephone system and a network coordinating gateway for allocating satellite and terrestrial gateway resources
DE69216112D1 (en) * 1991-11-08 1997-01-30 Calling Communications Corp Beam compensation method for satellite communication system
US5235633A (en) * 1991-12-26 1993-08-10 Everett Dennison Cellular telephone system that uses position of a mobile unit to make call management decisions
US5343512A (en) * 1992-03-27 1994-08-30 Motorola, Inc. Call setup method for use with a network having mobile end users
US5313457A (en) * 1992-04-14 1994-05-17 Trimble Navigation Limited Code position modulation system and method for multiple user satellite communications
US5369681A (en) * 1992-05-12 1994-11-29 Telefonaktiebolaget L M Ericsson Cellular communications system utilizing paging areas
JP2997610B2 (en) * 1993-07-07 2000-01-11 三菱電機株式会社 Mobile satellite communication system
US5483664A (en) * 1993-07-26 1996-01-09 Motorola, Inc. Cellular communications with scheduled handoffs
US5543813A (en) * 1993-08-12 1996-08-06 Kokusai Denshin Denwa Kabushiki Kaisha System for determining and registering location of mobile terminal for communication system with non-geosynchronous satellites
US5428816A (en) * 1993-09-09 1995-06-27 Hughes Aircraft Company Method and apparatus for mobile assisted handoff
US5668837A (en) * 1993-10-14 1997-09-16 Ericsson Inc. Dual-mode radio receiver for receiving narrowband and wideband signals
SG43121A1 (en) * 1993-10-14 1997-10-17 Ericsson Ge Mobile Inc Adaptive bandwidth receiver
CA2134729C (en) * 1993-11-01 1999-09-07 Thomas E. Buss Location dependent information receiving device and method
US6195555B1 (en) * 1994-01-11 2001-02-27 Ericsson Inc. Method of directing a call to a mobile telephone in a dual mode cellular satellite communication network
US5907809A (en) * 1994-01-11 1999-05-25 Ericsson Inc. Position determination using multiple base station signals
SG55053A1 (en) 1994-01-11 1998-12-21 Erricsson Inc Position registration for cellular satellite communication systems
US5535432A (en) * 1994-09-14 1996-07-09 Ericsson Ge Mobile Communications Inc. Dual-mode satellite/cellular phone with a frequency synthesizer
US5613204A (en) * 1994-12-22 1997-03-18 Bell Atlantic Mobile Systems, Inc. Beacon system for roaming cellular stations
MX9704862A (en) * 1995-01-05 1997-10-31 Ericsson Inc Position registration for mobile phones.
US6021122A (en) * 1996-06-07 2000-02-01 Qualcomm Incorporated Method and apparatus for performing idle handoff in a multiple access communication system
US5978366A (en) * 1996-12-20 1999-11-02 Ericsson Inc. Methods and systems for reduced power operation of cellular mobile terminals

Also Published As

Publication number Publication date
EP0662758A3 (en) 1998-04-22
BR9505638A (en) 1996-01-09
EP0662758B1 (en) 2000-11-29
DE69519484T2 (en) 2001-04-05
EG20504A (en) 1999-06-30
WO1995019094A1 (en) 1995-07-13
SG55053A1 (en) 1998-12-21
FI954209A (en) 1995-09-08
MX9503862A (en) 1997-04-30
AU680348B2 (en) 1997-07-24
CA2156738A1 (en) 1995-07-13
EP0662758A2 (en) 1995-07-12
DE69519484D1 (en) 2001-01-04
ZA9500170B (en) 1995-12-12
CN1071979C (en) 2001-09-26
AU1725895A (en) 1995-08-01
FI954209A0 (en) 1995-09-08
AT197860T (en) 2000-12-15
US6542716B1 (en) 2003-04-01
CN1124082A (en) 1996-06-05
FI954209D0 (en)
JPH08510610A (en) 1996-11-05

Similar Documents

Publication Publication Date Title
KR960000528B1 (en) Personal mobile communications system
JP2535513B2 (en) Cellular mode - building telephone communication system
CA2244929C (en) Method and apparatus for providing a private communication system in a public switched telephone network
AU695678B2 (en) Establishing an expanded group call in a mobile communication system
KR920013969A (en) Way communication system and its operation
KR960705223A (en) A cellular phone and an apparatus and method for positioning a transmitter, similar to that (Apparatus and method for locating cellular telephones and similar transmitters)
KR920005907B1 (en) Method for controlling cordless telephone
KR900701140A (en) To roum between the trunked communication system, including
KR890016790A (en) How to reduce the movement, blocking probability of calls handed over from cell phone systems
KR880014785A (en) Wireless telephone apparatus
TW353837B (en) Method and apparatus for routing calls by remote control
DK0664069T3 (en) A method, mobile exchange, and subscriber station in a mobile radio system for establishing a high-priority call
NO154617C (en) Cellular mobile radio telephone communications system.
EP1257137A3 (en) Cordless cellular system
NO992711D0 (en) TobÕnds antenna coupler bμrbar radiotelephone, sμrlig mobile phone
KR880005779A (en) Digital telephone communication system and communication method
KR897000978A (en) Micro-cellular communication system
FI96655C (en) Method for maintaining a group call in a radio telephone system and radio telephone system, system controller and subscriber station
KR920702112A (en) Password Synchronization continuous cell communication system
NO994323D0 (en) Radio station, in particular mobile phone, and automatic switching between multiple systems
FI963936A (en) The system for transmitting a call and the mobile station
SE8803762D0 (en) Mobile radio telephone
SE9401131L (en) Method and apparatus in a telecommunications system
NL193602B (en) Mobile communication system.
KR870006749A (en) Real-time systems

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee