JPH07298356A - Equalizing control system - Google Patents
Equalizing control systemInfo
- Publication number
- JPH07298356A JPH07298356A JP6089534A JP8953494A JPH07298356A JP H07298356 A JPH07298356 A JP H07298356A JP 6089534 A JP6089534 A JP 6089534A JP 8953494 A JP8953494 A JP 8953494A JP H07298356 A JPH07298356 A JP H07298356A
- Authority
- JP
- Japan
- Prior art keywords
- reception
- mobile station
- base station
- reception processing
- processing
- 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
Links
Classifications
-
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば同一周波数を時
分割で、基地局から移動局への通信と移動局から基地局
への通信を行なうデジタル移動通信に適用される等化制
御システムに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an equalization control system applied to digital mobile communication for performing communication from a base station to a mobile station and communication from a mobile station to a base station, for example, in the same frequency in a time division manner. It is a thing.
【０００２】[0002]
【従来の技術】近年、等化制御システムは、移動局にお
ける受信状態を推定し、状態に応じた受信信号処理を選
択する手段を備えることにより実現されようとしてい
る。2. Description of the Related Art In recent years, an equalization control system is about to be realized by including a means for estimating a reception state in a mobile station and selecting a reception signal process according to the state.
【０００３】以下、図面を参照しながら、上記した従来
の等化制御システムについて説明する。図５は従来の等
化制御システムの構成を示すものである。図５におい
て、５１は基地局であり、５２は移動局である。基地局
５１において、５１１は送信処理手段であり、メッセー
ジを送信する。移動局５２において、５２１は受信状態
推定手段であり、受信状態を推定する。５２２は受信処
理選択手段であり、状態に応じた受信処理を選択する。
５２３は標準受信処理手段であり、デフォルトで使用さ
れる受信信号処理手段である。５２４〜５２６は、別の
受信処理手段であり、受信信号をデータに復号する。The conventional equalization control system described above will be described below with reference to the drawings. FIG. 5 shows the configuration of a conventional equalization control system. In FIG. 5, 51 is a base station and 52 is a mobile station. In the base station 51, a transmission processing unit 511 transmits a message. In the mobile station 52, reference numeral 521 is a reception state estimating means for estimating the reception state. Reference numeral 522 denotes a reception process selection unit that selects a reception process according to the state.
Reference numeral 523 is a standard reception processing means, which is a reception signal processing means used by default. Reference numerals 524 to 526 denote other reception processing means, which decode the received signal into data.
【０００４】以上のように構成された等化制御システム
について、以下その動作について図６を参照して説明す
る。まず基地局５１は、送信処理手段５１１によりメッ
セージを送信する。移動局５２は、標準受信処理手段５
２３で信号を受信して受信状態推定手段５２１に渡し、
受信状態推定手段５２１では、受信した信号から受信状
態を推定して受信処理選択手段５２２に渡し、受信処理
選択手段５２２では、状態に応じて、受信処理手段５２
３〜５２６のうちの１つを選択する。選択された受信処
理手段は、受信信号をデータに復号する（１９９３年電
子情報通信学会秋期大会「B-257 適応等化器の演算量削
減について」参照）。The operation of the equalization control system configured as described above will be described below with reference to FIG. First, the base station 51 transmits a message by the transmission processing means 511. The mobile station 52 uses the standard reception processing means 5
In 23, the signal is received and passed to the reception state estimation means 521,
The reception state estimation means 521 estimates the reception state from the received signal and passes it to the reception process selection means 522, and the reception process selection means 522 receives the reception process means 52 according to the state.
Select one of 3 to 526. The selected reception processing means decodes the received signal into data (see "B-257 Adaptive Equalizer Operation Reduction" in the 1993 Autumn Meeting of the Institute of Electronics, Information and Communication Engineers).
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記の
ような構成では、移動局５２側で受信処理手段５２３〜
５２６を選択するので移動局の演算量が増え、バッテリ
ーで、駆動される移動局の消費電力が増えるという問題
点を有していた。However, in the above-mentioned configuration, the reception processing means 523 to 523 on the mobile station 52 side.
Since 526 is selected, the calculation amount of the mobile station increases, and there is a problem that the power consumption of the mobile station driven by the battery increases.
【０００６】本発明は、このような従来の問題を解決す
るものであり、受信処理選択を基地局側で行なうように
した等化制御システムを提供することを目的とする。The present invention solves such a conventional problem, and an object of the present invention is to provide an equalization control system in which reception processing is selected on the base station side.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明の等化制御システムは、基地局に、移動局に
対し使用すべき受信信号処理の指示情報を生成する受信
処理指示手段と、その指示情報を含むメッセージを移動
局に送信する送信処理手段とを備え、移動局に、受信信
号からデータを復号する複数の受信処理手段と、基地局
から受けた指示情報に基づき複数の受信処理手段のうち
の１つを選択し起動する受信処理判定手段とを備えたも
のである。In order to achieve the above object, the equalization control system of the present invention is a reception processing instruction means for generating, in a base station, reception signal processing instruction information to be used for a mobile station. And a transmission processing means for transmitting a message including the instruction information to the mobile station, and the mobile station includes a plurality of reception processing means for decoding data from the received signal, and a plurality of reception processing means based on the instruction information received from the base station. And a reception processing determination means for selecting and activating one of the reception processing means.
【０００８】本発明はまた、基地局に、移動局から受信
したテスト信号をもとに電波伝搬状態を推定する受信状
態推定手段と、推定した電波伝搬状態に適する受信信号
処理を選択する受信処理選択手段と、移動局に対し使用
すべき受信信号処理の指示情報を生成する受信処理指示
手段と、その指示情報を含むメッセージを移動局に送信
する送信処理手段とを備え、移動局に、基地局へテスト
信号を送信する手段と、基地局から受けた受信信号から
データを復号する複数の受信処理手段と、基地局から受
けた指示情報に基づき複数の受信処理手段のうちの１つ
を選択し起動する受信処理判定手段とを備えたものであ
る。The present invention also provides a base station with a reception state estimating means for estimating a radio wave propagation state based on a test signal received from a mobile station, and a reception process for selecting a reception signal process suitable for the estimated radio wave propagation state. The mobile station includes a selection unit, a reception processing instruction unit that generates instruction information for reception signal processing to be used for the mobile station, and a transmission processing unit that transmits a message including the instruction information to the mobile station. Means for transmitting a test signal to the station, a plurality of reception processing means for decoding data from a received signal received from the base station, and one of the plurality of reception processing means based on the instruction information received from the base station And a reception processing determination means that is activated.
【０００９】[0009]
【作用】本発明は、上記構成により、基地局が予め調査
した情報に基づき選択すべき受信処理を移動局に指示す
ることにより、移動局側の受信処理選択処理を不要と
し、演算量を軽減してバッテリーの消費電力を低減する
ことができる。According to the present invention, by the above configuration, the base station instructs the mobile station to perform the receiving process to be selected based on the information investigated in advance, so that the receiving process selecting process on the side of the mobile station becomes unnecessary and the calculation amount is reduced. Thus, the power consumption of the battery can be reduced.
【００１０】[0010]
（実施例１）以下、本発明の等化制御システムについ
て、図面を参照しながら説明する。図１は本発明の第１
の実施例における等化制御システムの構成を示すもので
ある。図１において、１１は基地局であり、１２は移動
局である。基地局１１において、１１１は送信処理手
段、１１２は受信処理手段である。移動局１２におい
て、１２１は受信処理判定手段、１２２は待受受信処理
手段、１２３〜１２５は受信処理手段である。(Embodiment 1) Hereinafter, an equalization control system of the present invention will be described with reference to the drawings. FIG. 1 shows the first of the present invention.
2 shows the configuration of the equalization control system in the embodiment of FIG. In FIG. 1, 11 is a base station and 12 is a mobile station. In the base station 11, 111 is a transmission processing means and 112 is a reception processing means. In the mobile station 12, 121 is a reception processing determination means, 122 is a standby reception processing means, and 123 to 125 are reception processing means.
【００１１】以上のように構成された等化制御システム
について、以下、その動作を図２を参照して説明する。
基地局１１は、まずオフラインで、図示しない手段によ
り当該基地局１１周辺の電波伝搬状態を調査する。その
結果に基づき移動局１２で使用すべき受信信号処理を選
択し、受信処理指示手段１１２に保存する。ここで、受
信信号処理とは、遅延検波処理や判定帰還型等化や逐次
最小２乗型適応最尤系列推定等化などを指す。基地局１
１では、移動局１２への報知情報メッセージに受信処理
選択指示情報を入れて送信処理手段１１１がゾーン内の
移動局１２に報知する。The operation of the equalization control system configured as described above will be described below with reference to FIG.
The base station 11 first checks the radio wave propagation state around the base station 11 by means not shown offline. Based on the result, the reception signal processing to be used by the mobile station 12 is selected and stored in the reception processing instruction means 112. Here, the received signal processing refers to differential detection processing, decision feedback equalization, recursive least squares type adaptive maximum likelihood sequence estimation equalization, and the like. Base station 1
In No. 1, the transmission processing means 111 notifies the mobile station 12 in the zone by including the reception process selection instruction information in the broadcast information message to the mobile station 12.
【００１２】移動局１２は、待受受信処理手段１２２が
待ち受け時にこの指示情報を捕らえ、受信処理判定手段
１２１に渡し、受信処理判定手段１２１はこれを保存す
る。次に移動局１２から発呼もしくは基地局１１から着
呼があった場合、通常の接続制御処理を行なうととも
に、受信処理判定手段１２１は、保存していた指示情報
を基に最も適した受信処理手段１２２〜１２５のうちの
１つを選択し、基地局１１から指示された上記受信信号
処理を起動してデータを復号する。In the mobile station 12, the standby reception processing means 122 captures this instruction information when it is on standby, and passes it to the reception processing determination means 121, and the reception processing determination means 121 stores it. Next, when a call is made from the mobile station 12 or an incoming call is made from the base station 11, the normal connection control processing is performed, and the reception processing determination means 121 makes the most suitable reception processing based on the stored instruction information. One of the means 122 to 125 is selected and the received signal processing instructed by the base station 11 is activated to decode the data.
【００１３】以上のように、本実施例によれば、基地局
１１であらかじめ基地局１１周辺の電波伝搬状態を調べ
ておき、受信処理指示手段１１２に選択すべき受信処理
種別を記憶させて移動局１２に送信し、移動局１２では
この情報を基に受信処理判定手段１２１が最適な受信処
理手段を選択して起動するので、移動局１２での電波伝
搬状態推定処理および受信処理選択処理を省くことがで
き、移動局１２の演算量を減らすことができる。As described above, according to this embodiment, the base station 11 checks the radio wave propagation state around the base station 11 in advance, and the reception processing instruction means 112 stores the reception processing type to be selected and moves. The reception processing determination means 121 selects the optimum reception processing means based on this information and activates it, so that the radio wave propagation state estimation processing and the reception processing selection processing in the mobile station 12 are performed. This can be omitted, and the calculation amount of the mobile station 12 can be reduced.
【００１４】（実施例２）次に、本発明の第２の実施例
について説明する。図３は本発明の第２の実施例を示す
等化制御システムのブロック図である。図３において、
３１は基地局であり、３２は移動局である。基地局３１
において、３１１は送信状態推定手段、３１２は受信処
理選択手段、３１３は受信処理指示手段、３１４は送信
処理手段である。移動局３２において、３２１は受信処
理判定手段、３２２は標準受信処理手段、３２３〜３２
５は受信処理手段、３２６はテストデータ送信手段であ
る。(Embodiment 2) Next, a second embodiment of the present invention will be described. FIG. 3 is a block diagram of an equalization control system showing a second embodiment of the present invention. In FIG.
Reference numeral 31 is a base station, and 32 is a mobile station. Base station 31
In the figure, 311 is a transmission state estimation means, 312 is a reception processing selection means, 313 is a reception processing instruction means, and 314 is a transmission processing means. In the mobile station 32, 321 is reception processing determination means, 322 is standard reception processing means, 323 to 32.
Reference numeral 5 is a reception processing means and 326 is a test data transmission means.
【００１５】以上のように構成された等化制御システム
について、以下、その動作を図４を参照して説明する。
まず、移動局３２から発呼もしくは基地局３１から着呼
があった場合、通常の接続制御処理を行なう。接続が完
了し、通信可能な状態になると、移動局３２は、電波伝
搬状態を基地局３１に推定してもらうためにテストデー
タ送信手段３２６を用いてテストデータを送信する。基
地局３１では、受信したテストデータをもとに受信状態
推定手段３１１が受信状態を推定する。その結果に基づ
き受信処理選択手段３１２は、移動局３２で使用すべき
受信信号処理を選択し、受信処理指示手段３１３に通知
する。このときのテストデータは、基地局、移動局双方
が既知のものとする。基地局３１では、制御チャネルに
受信処理選択指示メッセージを入れて、送信処理手段３
１４が移動局３２に通知する。The operation of the equalization control system configured as described above will be described below with reference to FIG.
First, when a call is made from the mobile station 32 or an incoming call is made from the base station 31, normal connection control processing is performed. When the connection is completed and communication is possible, the mobile station 32 transmits the test data by using the test data transmitting means 326 to have the base station 31 estimate the radio wave propagation state. In the base station 31, the reception state estimation means 311 estimates the reception state based on the received test data. Based on the result, the reception processing selection means 312 selects the reception signal processing to be used by the mobile station 32, and notifies the reception processing instruction means 313. The test data at this time is known by both the base station and the mobile station. In the base station 31, the reception processing selection instruction message is put in the control channel, and the transmission processing means 3
14 notifies the mobile station 32.
【００１６】移動局３２では、まず標準受信処理手段３
２２が、基地局３１からのメッセージを受信し、受信処
理判定手段３２１を用いて、基地局３１から指定された
受信信号処理を判定し、受信処理手段３２２〜３２５か
ら受信に最適な１つを選択して起動する。ここで、受信
信号処理とは、遅延検波処理や判定帰還型等化や逐次最
小２乗型適応最尤系列推定等化などを指す。なお、電波
状態が変わることがあるので、一定時間おきに上記処理
を繰り返してもよい。In the mobile station 32, first the standard reception processing means 3
22 receives the message from the base station 31, uses the reception processing determination means 321 to determine the reception signal processing designated by the base station 31, and selects the optimum one for reception from the reception processing means 322 to 325. Select and launch. Here, the received signal processing refers to differential detection processing, decision feedback equalization, recursive least squares type adaptive maximum likelihood sequence estimation equalization, and the like. Since the radio wave condition may change, the above process may be repeated at regular intervals.
【００１７】以上のように、本実施例によれば、移動局
３２がテストデータを送信し、基地局３１がそのテスト
データをもとに周辺の電波伝搬状態を調べ、適応すべき
受信処理を選択してその種別を移動局に送信し、移動局
３２がその情報をもとに最適な受信処理手段を選択して
起動するので、移動局３２での受信状態推定処理および
受信処理選択処理を省くことができ、移動局３２の演算
量を減らすことができる。As described above, according to this embodiment, the mobile station 32 transmits the test data, the base station 31 checks the surrounding radio wave propagation state based on the test data, and performs the receiving process to be adapted. The type is selected and transmitted to the mobile station, and the mobile station 32 selects and activates the optimum reception processing means based on the information, so that the reception state estimation processing and the reception processing selection processing in the mobile station 32 are performed. This can be omitted, and the calculation amount of the mobile station 32 can be reduced.
【００１８】[0018]
【発明の効果】以上のように、本発明によれば、基地局
に受信処理指示手段を設けを、移動局に受信処理判定手
段を設けることにより、移動局の演算量を削減すること
ができ、バッテリーの消費電力を低減することができ
る。As described above, according to the present invention, by providing the base station with the reception processing instruction means and the mobile station with the reception processing determination means, the calculation amount of the mobile station can be reduced. The power consumption of the battery can be reduced.
【図１】本発明の第１の実施例における等化制御システ
ムのブロック図FIG. 1 is a block diagram of an equalization control system according to a first embodiment of the present invention.
【図２】同実施例における動作説明のためのシーケンス
図FIG. 2 is a sequence diagram for explaining the operation in the embodiment.
【図３】本発明の第２の実施例における等化制御システ
ムのブロック図FIG. 3 is a block diagram of an equalization control system according to a second embodiment of the present invention.
【図４】同実施例における動作説明のためのシーケンス
図FIG. 4 is a sequence diagram for explaining the operation in the embodiment.
【図５】従来の等化制御システムのブロック図FIG. 5 is a block diagram of a conventional equalization control system.
【図６】従来例における動作説明のためのシーケンス図FIG. 6 is a sequence diagram for explaining an operation in a conventional example.
１１ 基地局 １２ 移動局 １１１ 送信処理手段 １１２ 受信処理指示手段 １２１ 受信処理判定手段 １２２ 待受受信処理手段 １２３ 受信処理手段（１） １２４ 受信処理手段（２） １２５ 受信処理手段（ｎ） ３１ 基地局 ３２ 移動局 ３１１ 受信状態推定手段 ３１２ 受信処理選択手段 ３１３ 受信処理指示手段 ３１４ 送信処理手段 ３２１ 受信処理判定手段 ３２２ 標準受信処理手段 ３２３ 受信処理手段（１） ３２４ 受信処理手段（２） ３２５ 受信処理手段（ｎ） ３２６ テストデータ送信手段 11 base station 12 mobile station 111 transmission processing means 112 reception processing instruction means 121 reception processing determination means 122 standby reception processing means 123 reception processing means (1) 124 reception processing means (2) 125 reception processing means (n) 31 base station 32 mobile station 311 reception state estimation means 312 reception processing selection means 313 reception processing instruction means 314 transmission processing means 321 reception processing determination means 322 standard reception processing means 323 reception processing means (1) 324 reception processing means (2) 325 reception processing means (N) 326 test data transmission means
フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０４Ｑ 7/04 Ｄ Ｂ Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI technical display location H04Q 7/04 DB
Claims (3)
信号処理の指示情報を生成する受信処理指示手段と、前
記指示情報を含むメッセージを移動局に送信する送信処
理手段とを備え、移動局に、受信信号からデータを復号
する複数の受信処理手段と、基地局から受けた指示情報
に基づき複数の受信処理手段のうちの１つを選択し起動
する受信処理判定手段とを備えた等化制御システム。1. The base station comprises: reception processing instruction means for generating instruction information for reception signal processing to be used for the mobile station; and transmission processing means for transmitting a message including the instruction information to the mobile station. The mobile station is provided with a plurality of reception processing means for decoding data from the received signal and a reception processing determination means for selecting and activating one of the plurality of reception processing means based on the instruction information received from the base station. Equalization control system.
号をもとに電波伝搬状態を推定する受信状態推定手段
と、推定した電波伝搬状態に適する受信信号処理を選択
する受信処理選択手段と、移動局に対し使用すべき受信
信号処理の指示情報を生成する受信処理指示手段と、前
記指示情報を含むメッセージを送信する送信処理手段と
を備え、移動局に、基地局へテスト信号を送信する手段
と、基地局から受けた受信信号からデータを復号する複
数の受信処理手段と、基地局から受けた指示情報に基づ
き複数の受信処理手段のうちの１つを選択し起動する受
信処理判定手段とを備えた等化制御システム。2. A base station, a reception state estimation means for estimating a radio wave propagation state based on a test signal received from a mobile station, and a reception process selection means for selecting a reception signal process suitable for the estimated radio wave propagation state. A reception processing instruction means for generating instruction information for reception signal processing to be used for the mobile station, and a transmission processing means for transmitting a message including the instruction information, and transmits a test signal to the base station to the mobile station. Means, a plurality of reception processing means for decoding data from a reception signal received from the base station, and a reception processing determination for selecting and activating one of the plurality of reception processing means based on the instruction information received from the base station. And an equalization control system including means.
推定、受信処理選択、受信処理指示および移動局におけ
る受信処理選択起動を繰り返すことを特徴とする請求項
２記載の等化制御システム。3. The equalization control system according to claim 2, wherein reception state estimation in the base station, reception process selection, reception process instruction, and reception process selection activation in the mobile station are repeated at regular intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089534A JPH07298356A (en) | 1994-04-27 | 1994-04-27 | Equalizing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089534A JPH07298356A (en) | 1994-04-27 | 1994-04-27 | Equalizing control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07298356A true JPH07298356A (en) | 1995-11-10 |
Family
ID=13973486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6089534A Pending JPH07298356A (en) | 1994-04-27 | 1994-04-27 | Equalizing control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07298356A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2408655A (en) * | 2003-11-27 | 2005-06-01 | Motorola Inc | Ambience listening with remote control of audio quality parameters |
| KR100615595B1 (en) * | 2000-01-19 | 2006-08-25 | 한국전자통신연구원 | Dynamic select apparatus and method of phase equalizer in bs receiver |
-
1994
- 1994-04-27 JP JP6089534A patent/JPH07298356A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100615595B1 (en) * | 2000-01-19 | 2006-08-25 | 한국전자통신연구원 | Dynamic select apparatus and method of phase equalizer in bs receiver |
| GB2408655A (en) * | 2003-11-27 | 2005-06-01 | Motorola Inc | Ambience listening with remote control of audio quality parameters |
| GB2408655B (en) * | 2003-11-27 | 2007-02-28 | Motorola Inc | Communication system, communication units and method of ambience listening thereto |
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