KR20050054883A - Method of forward power control by used sector power for ip-bs system - Google Patents

Method of forward power control by used sector power for ip-bs system Download PDF

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KR20050054883A
KR20050054883A KR1020050033657A KR20050033657A KR20050054883A KR 20050054883 A KR20050054883 A KR 20050054883A KR 1020050033657 A KR1020050033657 A KR 1020050033657A KR 20050033657 A KR20050033657 A KR 20050033657A KR 20050054883 A KR20050054883 A KR 20050054883A
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threshold
sector
power
data
sector power
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정해진
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(주)테노시스
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

본 발명은 CDMA 이동 통신망에서 IP(Internet Protocol) 기반의 기지국인 IP-BS(Base Station) 시스템에 있어서, Sector Power를 이용한 순방향 전력 제어 방법에 관한 것이다.The present invention relates to a forward power control method using a sector power in an IP-BS (base station) system which is an IP (Internet Protocol) based base station in a CDMA mobile communication network.

IP-BS 시스템에서 각 FA(Frequency Assignment)/Sector별 허용할 수 있는 Sector Power의 기준 임계치를 설정하고 기준 임계치의 120%인 과부하 임계치, 기준 임계치의 110%인 초과 임계치, 기준 임계치의 80%인 미달 임계치를 각각 설정한다.In the IP-BS system, set the threshold of allowable Sector Power for each Frequency Assignment (FA) / Sector, and overload threshold of 120% of the threshold, excess threshold of 110% of the threshold, 80% of the threshold Set the threshold below each.

이에, Sector Power를 주기적으로 측정하여 위와 같은 임계치에 따라 순방향 전력의 총합이 과부하 임계치 혹은 초과 임계치에 해당되는 경우 사용중인 일부 데이터 호의 데이터 배속을 줄이거나 혹은 일부 호를 절단시키거나, 미달 임계치에 해당하는 경우 사용중인 호의 데이터 배속을 늘리거나 이전에 절단되어 있는 데이터 호가 있는 경우 재 연결을 시도하는 방법을 통해 순방향 전력이 일정 수준을 초과하지 않고 최적의 무선 환경을 유지하고 가입자에게는 양질의 서비스를 제공하는 효과가 있다. Therefore, by measuring the Sector Power periodically, if the sum of the forward powers corresponds to the overload threshold or the excess threshold according to the above threshold, reduce the data speed of some data calls in use or cut off some calls, or fall below the threshold. If you do, you can increase the data rate of the active call or try to reconnect if there is a previously disconnected data call, so that the forward power does not exceed a certain level and maintains an optimal wireless environment and provides quality service to the subscriber. It is effective.

Description

아이피비에스 시스템에서의 섹터파워를 이용한 순방향 전력 제어 방법{Method of Forward Power Control by used Sector Power for IP-BS System} Method of forward power control using sector power in IPS system {Method of Forward Power Control by used Sector Power for IP-BS System}

본 발명은 상기와 같은 문제점을 해결하기 위해 안출한 것으로서, 그 목적은 일정한 Sector Power의 임계치를 설정하고 순방향 전력 제어를 통해 일정한 순방향 전력을 유지하고 최적의 무선 환경 및 전력의 낭비를 방지하기 위한 방법을 제안한다.The present invention has been made to solve the above problems, the object of which is to set the threshold of the constant Sector Power and to maintain a constant forward power through the forward power control and to prevent the optimal wireless environment and waste of power Suggest.

이러한 목적을 달성하기 위한 본 발명은 각 FA/Sector별 Sector Power의 기준 임계치를 설정하는 방법, 기준 임계치에 따른 과부하 임계치, 초과 임계치 및 미달 임계치를 설정하는 방법, 각 FA/Sector별 주기적으로 Sector Power를 측정, 산출 및 저장하는 방법, 저장된 각 FA/Sector별 Sector Power를 각각의 임계치와 비교하여 현재의 Sector Power 상태를 판단하는 방법, 판단한 상태를 기반으로 각 상태별 순방향 전력을 제어하는 방법 등으로 그 기술적 특징을 제공한다.The present invention for achieving this purpose is a method for setting the reference threshold of the sector power for each FA / sector, a method for setting an overload threshold, an excess threshold and less than the threshold according to the reference threshold, the sector power periodically for each FA / sector Measuring, calculating and storing the data, comparing the saved Sector Power for each FA / Sector with each threshold to determine the current Sector Power status, and controlling the forward power for each status based on the determined status. Its technical features are provided.

본 발명은 상기와 같은 문제점을 해결하기 위해 안출한 것으로서, 그 목적은 일정한 Sector Power의 임계치를 설정하고 순방향 전력 제어를 통해 일정한 순방향 전력을 유지하고 최적의 무선 환경 및 전력의 낭비를 방지하기 위한 방법을 제안한다.The present invention has been made to solve the above problems, the object of which is to set the threshold of the constant Sector Power and to maintain a constant forward power through the forward power control and to prevent the optimal wireless environment and waste of power Suggest.

이러한 목적을 달성하기 위한 본 발명은 각 FA/Sector별 Sector Power의 기준 임계치를 설정하는 방법, 기준 임계치에 따른 과부하 임계치, 초과 임계치 및 미달 임계치를 설정하는 방법, 각 FA/Sector별 주기적으로 Sector Power를 측정, 산출 및 저장하는 방법, 저장된 각 FA/Sector별 Sector Power를 각각의 임계치와 비교하여 현재의 Sector Power 상태를 판단하는 방법, 판단한 상태를 기반으로 각 상태별 순방향 전력을 제어하는 방법 등으로 그 기술적 특징을 제공한다.The present invention for achieving this purpose is a method for setting the reference threshold of the sector power for each FA / sector, a method for setting an overload threshold, an excess threshold and less than the threshold according to the reference threshold, the sector power periodically for each FA / sector Measuring, calculating and storing the data, comparing the saved Sector Power for each FA / Sector with each threshold to determine the current Sector Power status, and controlling the forward power for each status based on the determined status. Its technical features are provided.

이하, 첨부된 도면을 참고하여 본 발명에 의한 Sector Power를 이용한 순방향 전력 제어 방법을 상세히 설명한다.Hereinafter, a forward power control method using a sector power according to the present invention with reference to the accompanying drawings will be described in detail.

도 1은 BCP 블록에서 CC 블록으로 각 FA/Sector별 Sector Power를 측정하여 보고하도록 요구(300)하거나 중지(320) 및 보고 주기를 변경(310)하도록 요청하는 메시지 흐름도이다.FIG. 1 is a message flowchart requesting to request 300 to measure and report a sector power for each FA / Sector from a BCP block to a CC block, or to stop 320 and change 310 a reporting period.

CC 블록은 BCP 블록으로 Sector Power의 측정 요구를 수신(M1)하면 해당 메시지에 대한 응답(M2)을 한 후 주어진 주기(M4)마다 FA/Sector별 Sector Power를 측정하여 BCP 블록으로 송신(M3)한다.When the CC block receives the measurement request of the Sector Power as the BCP block (M1), it responds to the corresponding message (M2) and measures the Sector Power for each FA / Sector every given period (M4) and sends it to the BCP block (M3). do.

BCP 블록은 보고 된 각 FA/Sector별 Sector Power를 일정한 형태의 데이터로 산출하여 저장(M5)한다.The BCP block calculates and stores the reported Sector Power for each FA / Sector as a certain type of data (M5).

또한, BCP 블록은 CC 블록으로 보고 주기를 변경을 요청(M6)하여 응답(M7)을 받아 주기를 변경할 수 있으며, 측정 보고를 중지하기 위해 중지 요청(M8)을 하여 응답(M9)을 받아 중지할 수 있다.In addition, the BCP block may change the period of receiving a response (M7) by requesting a change of the reporting period (M6) to the CC block, and stops by receiving a response (M9) by making a stop request (M8) to stop the measurement report. can do.

도 2와 도 3은 본 발명에 의한Sector Power를 이용한 순방향 전력 제어 흐름도이다. 2 and 3 is a flow chart of the forward power control using Sector Power according to the present invention.

BCP 블록은 도 1과 같이 Sector Power 측정을 요구하기 전에 시스템에서 제공 가능한 FA/Sector별 Sector Power의 임계치를 설정한다. (S1)The BCP block sets a threshold of sector power for each FA / sector that can be provided by the system before requiring the sector power measurement as shown in FIG. 1. (S1)

또한, 기준 임계치를 활용하여 과부하 임계치(기준 임계치의 120%), 초과 임계치(기준 임계치의 110%), 미달 임계치(기준 임계치의 80%)를 설정한다. (S2)In addition, the reference threshold is utilized to set an overload threshold (120% of the reference threshold), an excess threshold (110% of the reference threshold), and an under threshold (80% of the reference threshold). (S2)

이후, 일정한 주기로 저장된 Sector Power와 기준 임계치를 비교하여 다음과 같은 판단 기준에 따라 순방향 전력 제어를 수행한다. Thereafter, the forward power control is performed according to the following criteria by comparing the Sector Power and the reference threshold stored at regular intervals.

1) 저장된 Sector Power가 초과 임계치보다 크고(S3) 해당 FA/Sector에 부가 서비스 채널(SCH : Supplemental Channel)을 사용하는 데이터 서비스 사용자가 있으며(S4) 데이터 배속을 변경할 수 있는(S5) 경우 해당 FA/Sector에서 가장 큰 데이터 배속을 사용하는 가입자의 데이터 배속을 줄여서 순방향 전력을 낮추어 제어한다. (S8) 1) If the saved sector power is greater than the excess threshold (S3) and there is a data service user using supplemental channels (SCH) in the corresponding FA / Sector (S4) and the data speed can be changed (S5), the corresponding FA It controls by lowering forward power by reducing data speed of subscriber who uses the largest data speed in / Sector. (S8)

2) 저장된 Sector Power가 초과 임계치보다 크고(S3) 해당 FA/Sector에 부가 서비스 채널을 사용하는 데이터 서비스 사용자가 있으나(S4) 데이터 배속을 변경할 수 없고(S5) Sector Power가 과부하 임계치보다 큰(S6) 경우 데이터 서비스를 사용 중인 가입자의 부가 서비스 채널을 절단하여 순방향 전력을 낮추어 제어한다. (S7) 2) Stored Sector Power is greater than the Exceeded Threshold (S3) There is a data service user using the additional service channel in the FA / Sector (S4), but data speed cannot be changed (S5) and Sector Power is greater than the Overload Threshold (S6) In this case, the additional service channel of the subscriber who is using the data service is cut to control forward power by lowering it. (S7)

3) 저장된 Sector Power가 초과 임계치보다 크나(S3) 해당 FA/Sector에 부가 서비스 채널을 사용하는 데이터 서비스 사용자가 없으며(S4) Sector Power가 과부하 임계치보다 크고(S9) 기본 채널(FCH : Fundamental Channel)을 사용하는 일반 음성 호 가입자가 있는(S10) 경우 해당 가입자를 절단하여 순방향 전력을 낮추어 제어한다. (S11) 3) Stored Sector Power is greater than Excess Threshold (S3) There is no data service user using the additional service channel in the FA / Sector (S4), Sector Power is greater than the Overload Threshold (S9) and Base Channel (FCH) If there is a general voice call subscriber using (S10), the subscriber is controlled by cutting down the forward power. (S11)

4) 저장된 Sector Power가 초과 임계치보다 크나(S3) 해당 FA/Sector에 부가 서비스 채널을 사용하는 데이터 서비스 사용자가 없으며(S4) Sector Power가 과부하 임계치보다 크고(S9) 기본 채널을 사용하는 일반 음성 호를 사용하는 가입자가 없는(S10) 경우 기본 채널(FCH)을 사용하는 데이터 서비스 사용자를 절단하여 순방향 전력을 낮추어 제어한다. (S12) 4) Normal voice call with stored Sector Power greater than the excess threshold (S3), no data service user using the supplementary service channel in the FA / Sector (S4) and Sector Power greater than the overload threshold (S9) If there is no subscriber using (S10), the data service user using the basic channel (FCH) is cut by controlling the forward power by lowering. (S12)

5) 저장된 Sector Power가 미달 임계치보다 작고(S13) 이전에 부가 서비스 채널을 절단한 데이터 서비스 사용자가 있는(S14) 경우 부가 서비스 채널을 재 연결하여 순방향 전력을 높여 제어한다. (S16) 5) If the stored sector power is less than the threshold (S13) and there is a data service user who cuts the additional service channel before (S14), the additional service channel is reconnected to increase the forward power. (S16)

6) 저장된 Sector Power가 미달 임계치보다 작고(S13) 이전에 부가 서비스 채널을 절단한 데이터 서비스 사용자가 없으며(S14) 부가 서비스 채널을 사용하는 데이터 서비스 사용자가 있고(S15) 데이터 배속을 변경할 수 있는(S17) 경우 해당 FA/Sector에서 가장 낮은 데이터 배속을 사용하는 가입자의 데이터 배속을 높여서 순방향 전력을 높여 제어한다. (S18)6) Stored Sector Power is less than the threshold (S13) and there is no data service user who previously truncated the supplementary service channel (S14) and there is a data service user using the supplementary service channel (S15) and can change the data speed (S15). S17) In the case of the FA / Sector, the subscriber increases the data rate of the subscriber using the lowest data rate, thereby controlling the forward power. (S18)

이상 상기 설명에서와 같이 본 발명은 시스템의 전체 Sector Power를 일정한 수준으로 유지함으로 IP-BS 시스템의 전력 과부하로 인해 발생할 수 있는 시스템의 불안 요소를 제거할 수 있으며, 전력 낭비로 인한 시스템 용량의 감소를 최소화하고 최적의 무선 환경을 제공할 수 있다.As described above, the present invention can remove anxiety factors that may occur due to power overload of the IP-BS system by maintaining the overall sector power of the system at a constant level, and reduce system capacity due to power waste. Minimize the number and provide the optimal wireless environment.

또한, 서비스 중인 일반 가입자들에게 양질의 통화 품질을 제공하므로 안정적인 서비스를 지속적으로 유지할 수 있다.In addition, by providing a good call quality to the general subscribers in service, it is possible to continuously maintain a stable service.

이는 IP-BS 시스템의 Hardware 및 Software의 최적화를 통한 시스템의 장기간 서비스 및 운용 유지를 가능하게 하므로 인한 경제적 효과를 창출할 수 있다This can create economic effects due to the long-term service and operation of the system through the optimization of the hardware and software of the IP-BS system.

도 1  1

Sector Power에 대한 측정을 보고하도록 요구/중지/주기 변경을 요청하는 메시지 흐름도 Message flow requesting request / stop / cycle change to report measurements for Sector Power

도 2  2

본 발명에 의한 Sector Power를 이용한 순방향 전력 제어 흐름도 Forward Power Control Flowchart Using Sector Power According to the Present Invention

도 3  3

본 발명에 의한 Sector Power를 이용한 순방향 전력 제어 흐름도Forward Power Control Flowchart Using Sector Power According to the Present Invention

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

100: BCP(BTS Control Processor) 블록        100: BTS control processor block

200: CC(Channel Card) 블록        200: CC (Channel Card) Block

300: Sector Power 측정 요구 절차        300: Sector Power Measurement Requirements

310: Sector Power 측정 주기 변경 절차        310: Sector Power measurement cycle change procedure

320: Sector Power 측정 중지 절차        320: Procedure for Stopping Sector Power Measurement

Claims (1)

각 FA/Sector별 섹터파워 Sector Power의 임계치를 설정하는 1단계와, 상기 1단계에서 기준 임계치에 따른 과부하 임계치, 초과 임계치 및 미달 임계치를 설정하는 2단계와, 각 FA/Sector별 주기적으로 Sector Power 측정을 요구하는 3단계와, 각 FA/Sector별 주기적으로 측정 보고 된 Sector Power를 산출하여 저장하는 4단계와, 상기 4단계에서 각 저장된 Sector Power를 비교하여 현 순방향 전력의 사용 상태를 판단하는 5단계와, 상기 5단계에서 판단한 상태를 기반으로 데이터 배속이 가장 높은 데이터 서비스 사용자의 데이터 배속을 낮추는 6단계와, 상기 5단계에서 판단한 상태를 기반으로 부가 서비스 채널을 사용하는 데이터 서비스 사용자의 부가 서비스 채널을 절단하는 7단계와, 상기 5단계에서 판단한 상태를 기반으로 기본 채널을 사용하는 음성 호 사용자의 기본 채널을 절단하는 8단계와, 상기 5단계에서 판단한 상태를 기반으로 기본 채널을 사용하는 데이터 서비스 사용자의 기본 채널을 절단하는 9단계와, 상기 5단계에서 판단한 상태를 기반으로 이전에 부가 서비스 채널이 절단된 데이터 서비스 사용자의 부가 서비스 채널을 재 연결하는 10단계와, 상기 5단계에서 판단한 상태를 기반으로 데이터 배속이 가장 낮은 데이터 서비스 사용자의 데이터 배속을 높이는 11단계로 수행되는 것을 특징으로 하는 Sector Power를 이용한 순방향 전력 제어 방법.  Step 1 for setting the threshold of sector power sector power for each FA / Sector, step 2 for setting the overload threshold, excess threshold and under threshold according to the reference threshold in step 1, and sector power periodically for each FA / Sector. Step 3, which requires measurement, calculates and stores the measured and reported Sector Power periodically for each FA / Sector, and compares each saved Sector Power in step 4 to determine the current forward power usage. Step 6, lowering the data speed of the data service user having the highest data rate based on the state determined in step 5; and additional service of the data service user using the additional service channel based on the state determined in step 5. The basic channel of the voice call user using the basic channel based on the step 7 of cutting the channel and the state determined in the step 5 An eighth step of truncating, a nineth step of truncating the basic channel of the data service user using the basic channel based on the state determined in the fifth step, and a supplementary service channel previously truncated based on the state determined in the fifth step Sector Power, characterized in that performed in step 10 of reconnecting the additional service channel of the data service user, and step 11 of increasing the data speed of the data service user with the lowest data speed based on the state determined in step 5 Forward power control method.
KR1020050033657A 2005-04-22 2005-04-22 Method of forward power control by used sector power for ip-bs system KR20050054883A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0936801A (en) * 1995-07-14 1997-02-07 Nec Corp Base station transmission power controller
KR19990035588A (en) * 1997-10-31 1999-05-15 서평원 Call processing method of code division multiple access mobile communication system base station
KR19990051789A (en) * 1997-12-20 1999-07-05 김영환 Traffic Channel Allocation Method Using Forward Transmit Power
KR19990058853A (en) * 1997-12-30 1999-07-26 윤종용 Coverage Optimization Method for Multiple FA Environments including Dummy Pilots
KR20000073007A (en) * 1999-05-04 2000-12-05 조정남 Frequency Assignment( FA ) Capacity Management Apparatus and Method in CDMA Communication System

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0936801A (en) * 1995-07-14 1997-02-07 Nec Corp Base station transmission power controller
KR19990035588A (en) * 1997-10-31 1999-05-15 서평원 Call processing method of code division multiple access mobile communication system base station
KR19990051789A (en) * 1997-12-20 1999-07-05 김영환 Traffic Channel Allocation Method Using Forward Transmit Power
KR19990058853A (en) * 1997-12-30 1999-07-26 윤종용 Coverage Optimization Method for Multiple FA Environments including Dummy Pilots
KR20000073007A (en) * 1999-05-04 2000-12-05 조정남 Frequency Assignment( FA ) Capacity Management Apparatus and Method in CDMA Communication System

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