JPH06507768A - デュアルモード送信機及び受信機 - Google Patents
デュアルモード送信機及び受信機Info
- Publication number
- JPH06507768A JPH06507768A JP5500187A JP50018793A JPH06507768A JP H06507768 A JPH06507768 A JP H06507768A JP 5500187 A JP5500187 A JP 5500187A JP 50018793 A JP50018793 A JP 50018793A JP H06507768 A JPH06507768 A JP H06507768A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- spread spectrum
- narrowband
- mode
- modulation
- 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.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- 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
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
- H04B7/2634—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for channel frequency control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Burglar Alarm Systems (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Transceivers (AREA)
Abstract
Description
Claims (8)
- 1.アンテナと、 狭帯域変調とスペクトル拡散変調とを選択するモードコントローラと、情報信号 を処理するための情報手段と、 搬送波信号を発生するための同調可能な周波数シンセサイザと、チップコード信 号を発生するチップコード発生器と、上記情報手段と上記同調可能な周波数シン セサイザと上記チップコード発生器とに接続され、上記処理された情報信号を、 上記チップコード信号と上記搬送波信号とに従ってスペクトル拡散信号に変調す るスペクトル拡散変調器と、上記情報手段と上記同調可能な周波数シンセサイザ とに接続され、上記処理された情報信号を狭帯域変調を用いて狭帯域変調された 信号に変調する狭帯域変調器と、 上記モードコントローラと上記スペクトル拡散変調器と上記狭帯域変調器とに接 続され、上記モードコントローラの狭帯域変調の設定に応答して上記狭帯域変調 された信号を増幅し、上記モードコントローラのスペクトル拡散の設定に応答し て上記スペクトル拡散信号を増幅する電力増幅器と、上記アンテナと上記電力増 幅器と上記モードコントローラとに接続され、上記モードコントローラの狭帯域 変調の設定に応答して調整可能な帯域通過フィルタの帯域幅を上記狭帯域変調さ れた信号を通過させるための狭い帯域幅に調整し、上記モードコントローラのス ペクトル拡散の設定に応答して上記調整可能な帯域通過フィルタの帯域幅を上記 スペクトル拡散信号を通過するための広い帯域幅に調整する調整可能な帯域通過 フィルタとを備えたデュアルモード送信機。
- 2.上記モードコントローラは、上記狭帯域変調と上記スペクトル拡散変調とを 選択するモードスイッチを備える請求項1記載のデュアルモード送信機。
- 3.上記狭帯域変調器は、上記信号処理された情報信号をFM変調を用いて変調 するFM変調器を備えた請求項1記載のデュアルモード送信機。
- 4.上記スペクトル拡散変調器は時間分割多重化変調器を備えた請求項1記載の デュアルモード送信機。
- 5.上記狭帯域変調器は時間分割多重化変調器を備えた請求項1記載のデュアル モード送信機。
- 6.狭帯域変調とスペクトル拡散変調とを選択するモードコントローラと、局部 発振器信号を発生する同調可能な周波数シンセサイザと、チップコード信号を発 生するチップコード発生器と、アンテナと、 上記アンテナと上記モードコントローラとに接続され、上記モードコントローラ の狭帯域変調の設定に応答して、調整可能な帯域通過フィルタの帯域幅を上記狭 帯域変調された信号を通過させるための狭い帯域幅に調整し、上記モードコント ローラのスペクトル拡散の設定に応答して上記調整可能な帯域通過フィルタの帯 域幅を上記スペクトル拡散信号を通過させるための広い帯域幅に調整する調整可 能な帯域通過フィルタと、 上記調整可能な帯域通過フィルタと上記モードコントローラとに接続され、上記 モードコントローラの狭帯域変調の設定に応答して上記ろ波された狭帯域変調さ れた信号を増幅し、上記モードコントローラのスペクトル拡散の設定に応答して 上記ろ波されたスペクトル拡散信号を増幅する前置増幅器と、上記前置増幅器と 上記同調可能な周波数シンセサイザとに接続され、上記局部発振器信号を用いて 、上記ろ波された狭帯域変調された信号と上記ろ波されたスペクトル拡散信号を IF信号に変換する周波数変換器と、上記周波数変換器に接続され、上記IF信 号を増幅するIF増幅器と、上記チップコード発生器に接続されるとともに上記 モードコントローラを介して上記IF増幅器に接続され、上記モードコントロー ラの上記スペクトル拡散変調の選択に応答して、上記チップコード信号を用いて 上記IF信号を変調された信号にスペクトル拡散の逆拡散するスペクトル拡散逆 拡散器と、上記スペクトル拡散逆拡散器に接続され、上記変調された信号を復調 された信号に復調するスペクトル拡散復調器と、上記チップコード発生器に接続 されるとともに上記モードコントローラを介して上記IF増幅器に接続され、上 記モードコントローラの狭帯域変調の選択に応答して、上記ろ波された狭帯域変 調された信号を復調された信号に復調する狭帯域復調器と、 上記狭帯域復調器と上記スペクトル拡散復調器とに接続され、上記復調された信 号を情報信号に信号処理する情報手段とを備えたデュアルモード受信機。
- 7.上記スペクトル拡散逆拡散器は上記IF信号を逆拡散する弾性表面波デバイ スを備えた請求項6記載のデュアルモード受信機。
- 8.上記スペクトル拡散復調器は上記復調された信号を復調された信号に復調す る包絡線検波器を備えた請求項6記載のデュアルモード受信機。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69869491A | 1991-05-13 | 1991-05-13 | |
| US698,694 | 1991-05-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06507768A true JPH06507768A (ja) | 1994-09-01 |
| JP2846118B2 JP2846118B2 (ja) | 1999-01-13 |
Family
ID=24806299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5500187A Expired - Fee Related JP2846118B2 (ja) | 1991-05-13 | 1992-05-11 | デュアルモード送信機及び受信機 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5291516A (ja) |
| EP (1) | EP0584248B1 (ja) |
| JP (1) | JP2846118B2 (ja) |
| AT (1) | ATE233971T1 (ja) |
| AU (1) | AU2140092A (ja) |
| CA (1) | CA2102914A1 (ja) |
| DE (1) | DE69232943T2 (ja) |
| WO (1) | WO1992021195A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015514358A (ja) * | 2012-03-19 | 2015-05-18 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | Gsmチャネルを同時に監視する方法および装置 |
| JP2016524416A (ja) * | 2013-06-10 | 2016-08-12 | エプコス アクチエンゲゼルシャフトEpcos Ag | 共通に使用されるフィルタを有するモバイル通信装置、このモバイル通信装置の動作方法およびフィルタの使用 |
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- 1992-05-11 DE DE69232943T patent/DE69232943T2/de not_active Expired - Fee Related
- 1992-05-11 AU AU21400/92A patent/AU2140092A/en not_active Abandoned
- 1992-05-11 AT AT92912704T patent/ATE233971T1/de not_active IP Right Cessation
- 1992-05-11 JP JP5500187A patent/JP2846118B2/ja not_active Expired - Fee Related
- 1992-05-11 EP EP92912704A patent/EP0584248B1/en not_active Expired - Lifetime
- 1992-05-11 WO PCT/US1992/004044 patent/WO1992021195A1/en not_active Ceased
- 1992-09-18 US US07/948,293 patent/US5291516A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015514358A (ja) * | 2012-03-19 | 2015-05-18 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | Gsmチャネルを同時に監視する方法および装置 |
| JP2016524416A (ja) * | 2013-06-10 | 2016-08-12 | エプコス アクチエンゲゼルシャフトEpcos Ag | 共通に使用されるフィルタを有するモバイル通信装置、このモバイル通信装置の動作方法およびフィルタの使用 |
| US9929751B2 (en) | 2013-06-10 | 2018-03-27 | Snaptrack, Inc. | Mobile transceiver with shared user filter, method for the operation of the mobile transceiver and use of a filter |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0584248A4 (en) | 1995-12-27 |
| DE69232943D1 (de) | 2003-04-10 |
| CA2102914A1 (en) | 1992-11-26 |
| WO1992021195A1 (en) | 1992-11-26 |
| DE69232943T2 (de) | 2003-08-28 |
| ATE233971T1 (de) | 2003-03-15 |
| US5291516A (en) | 1994-03-01 |
| JP2846118B2 (ja) | 1999-01-13 |
| EP0584248B1 (en) | 2003-03-05 |
| AU2140092A (en) | 1992-12-30 |
| EP0584248A1 (en) | 1994-03-02 |
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