[특허]System and method for identifying hot spots in the D-AMPS wireless system

[미국특허] System and method for identifying hot spots in the D-AMPS wireless system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04Q-007/20
출원번호	US-0434083 (1999-11-05)
발명자 / 주소	Shawn Kim
출원인 / 주소	Ericsson Inc.
대리인 / 주소	Jenkens & Gilchrist, P.C.
인용정보	피인용 횟수 : 22 인용 특허 : 10

초록 ▼

The present invention is a system and method to provide a scientific and quantitative measurement in finding optimal locations for placing new micro or pico cells. Signal strength information of a test transmitter measured by mobile stations is reported to a base station serving a macro cell via call quality messages that the mobile stations are located. A post-processing tool 330 counts the number of call quality messages having a signal strength level measured from the test transmitter above a threshold during a measuring period indicating that a call can be offloaded to the new micro or pico cell. The estimated offloaded traffic volume is then calculated, preferably in Erlangs.

대표청구항 ▼

1. A method for determining high traffic regions of subscribers operating in a macro cell of a cellular communication system, said method comprising the steps of:transmitting a signal from a test transmitter; receiving a message containing signal strength information of said signal transmitted from said test transmitter; setting a signal strength threshold value for the signal strength information to be compared; and processing said message in accordance with the signal strength threshold value to determine an estimated offloaded traffic volume for said cellular communication system, said processing including: extracting said signal strength information from said message; and computing said estimated offloaded traffic volume, said computing including: counting said call quality messages having said signal strength measurement above a threshold value into a total count, wherein any of said signal strength messages above said threshold value indicates that a given call is capable of being offloaded; and dividing said total count by a duration of time over which said step of counting is performed.

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

Karlsson Bror A. (Montreal CAX), Best server selection in layered cellular radio system.
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Johansson .ANG.ke,SEX, Method and apparatus for performing local traffic measurements in a cellular telephone network.
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Ostrup Nils Peter,SEX ; Schultz Per Johan,SEX ; Johansson Lars Folke,SEX ; Palm Lars H.ang.kan,SEX, Method and system for improving network resource utilization in a cellular communication system.
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Held Walter (Geretsried DEX), Method for overload prevention in a switching center of a communications network.
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Lee Hyo Jin,KRX, Method of realizing hard handoff between FA in CDMA mobile communication system.
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Hayashi Masato,JPX ; Namura Mikiya,JPX ; Kusaki Tsutomu,JPX ; Tanigawa Koichi,JPX, Mobile radio communications system.
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Naslund Jonas Anders,SEX, Process and device for quality determination.
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Busuioc Marius-Nicolae,GBX ; Titmuss Richard J.,GBX ; Winter Christopher S.,GBX, Service provision system for communications networks.
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Gupta Sudeep ; Fowler Charles Brian, System specified adaptive mobile station behavior within a mobile telecommunications system.
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Fried Tomas,SEX ; Westerberg Erik,SEX ; Hermansson Sten,SEX, Tailored hierarchical cell structures in a communications system.
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이 특허를 인용한 특허 (22) 인용/피인용 타임라인 분석

Huber, Kurt Donald; Flynn, Judson John; Mansfield, William Gordon, Access control lists and profiles to manage femto cell coverage.
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Li,Jun Quiang; Kim,Yung Soo; Jeong,Byung Jang, Apparatus and method for allocating resources of a virtual cell in an OFDM mobile communication system.
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Jovanovic, Vladan; Scheinert, Stefan, Cell planning method for wireless communication systems.
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Brisebois, Arthur; Henderson, Thomas, Closed loop heterogeneous network for automatic cell planning.
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Brisebois, Arthur; Henderson, Thomas, Closed loop heterogeneous network for automatic cell planning.
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Brisebois, Arthur; Henderson, Thomas, Closed loop heterogeneous network for automatic cell planning.
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Huber, Kurt Donald; Flynn, Judson John; Mansfield, William Gordon, Exchange of access control lists to manage femto cell coverage.
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Brisebois, Arthur; Causey, Mark; Luu, Adrianne, Femtocell measurements for macro beam steering.
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Brisebois, Arthur; Causey, Mark; Luu, Adrianne, Femtocell measurements for macro beam steering.
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Brisebois, Arthur; Causey, Mark; Luu, Adrianne, Femtocell measurements for macro beam steering.
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Brisebois, Arthur; Causey, Mark; Luu, Adrianne, Femtocell measurements for macro beam steering.
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Rai, Paritosh; Brisebois, Arthur, Femtocell measurements for merger integration planning.
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Huber, Kurt Donald; Flynn, Judson John; Mansfield, William Gordon, Interface for access management of femto cell coverage.
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Huber, Kurt Donald; Mansfield, William Gordon; Flynn, Judson John, Intra-premises content and equipment management in a femtocell network.
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Huber, Kurt Donald; Mansfield, William Gordon; Flynn, Judson John, Location-based services in a femtocell network.
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Puthenpura, Sarat; Jotshi, Arun; Parker, Sam Houston; Raina, Ravi; Zhao, Wenjie, Metro cell planning.
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Abraham, Santosh Paul; Merlin, Simone; Sampath, Hemanth, Network setup in wide channel wireless local area networks (WLANS).
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O'Neil, Douglas; Sharer, Donna, Pico-cell extension for cellular network.
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O'Neil, Douglas; Sharer, Donna, Pico-cell extension for cellular network.
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Tao, Huiyu; Zhou, Hai, Picocell power control.
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Zhu, Chenxi; Chen, Wei-Peng; Agre, Jonathan, Radio resource management in multihop relay networks.
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Tsunekawa, Koichi, Wireless communication system, base station apparatus, mobile station apparatus, communication control method, and communication control program.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] System and method for identifying hot spots in the D-AMPS wireless system 원문보기