WO2004075439A1 - マルチモード通信端末およびマルチモード送受信動作制御方法 - Google Patents
マルチモード通信端末およびマルチモード送受信動作制御方法 Download PDFInfo
- Publication number
- WO2004075439A1 WO2004075439A1 PCT/JP2004/001858 JP2004001858W WO2004075439A1 WO 2004075439 A1 WO2004075439 A1 WO 2004075439A1 JP 2004001858 W JP2004001858 W JP 2004001858W WO 2004075439 A1 WO2004075439 A1 WO 2004075439A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission
- transmission power
- communication
- unit
- cdma
- Prior art date
Links
Classifications
-
- 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
- H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
-
- 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
Definitions
- the present invention relates to a multi-mode communication terminal and a multi-mode transmission / reception operation control method for performing a reception operation by a second communication system without being limited to a transmission operation by a first communication system under a predetermined condition.
- a multi-mode communication terminal that supports a plurality of mobile communication systems with one mobile terminal device is required.
- a multi-mode communication terminal provided with a transmission / reception circuit corresponding to each mobile communication system for example, refer to Patent Document 1
- a multi-mode communication terminal corresponding to a plurality of mobile communication systems with one type of transmission / reception circuit for example, Patent Document 2
- FIG. 6 is a block diagram showing a configuration of a multi-mode communication terminal provided with a transmission / reception circuit corresponding to each mobile communication system.
- the conventional multi-mode communication terminal shown in the figure includes an antenna 61, a first transmitting / receiving section 602, a second transmitting / receiving section 603, a switch 604, a timing signal generating section 6 05 and a control section 606.
- Antenna 601 is an antenna for transmitting and receiving signals between a base station (not shown) and the multimode communication terminal.
- the first transmission / reception unit 602 performs transmission / reception and modulation / demodulation of a signal by a code division multiple access (CDMA) method.
- the second transmission / reception unit 603 performs transmission / reception and modulation / demodulation of a signal by a TDMA (Time Division Multiple Access) method. Things.
- CDMA code division multiple access
- the switch 604 switches whether the signal received by the antenna 601 is transmitted to the first transmitting / receiving section 602 or the second transmitting / receiving section 603, or switches the signal transmitted by the antenna 601 to the first transmitting / receiving section 602 or The switching from which of the second transmission / reception units 603 is to be received is performed.
- the timing signal generation unit 605 generates a timing signal indicating the timing at which the first transmission / reception unit 602 or the second transmission / reception unit 603 transmits / receives a signal.
- the control unit 606 controls a signal transmission / reception operation by the first transmission / reception unit 602 and the second transmission / reception unit 603 and a switching operation by the switch 604 according to the timing signal generated by the timing signal generation unit 605. It is.
- FIG. 7A shows a transmission operation of the first transmission / reception unit 602
- FIG. 7B shows a reception operation of the first transmission / reception unit 602
- FIG. 7C shows a transmission operation of the second transmission / reception unit 603
- (d) shows a timing chart regarding the reception operation of the second transmission / reception unit 603.
- each operation is performed when ⁇ i h h j, and when “Low”, each operation is not performed.
- the transmission operation (a) and the reception operation (b) (communication or telephone call) by the CDMA system (first transmission / reception section 602) are performed.
- section 2 only the receiving operation (d) by the TDMA method (second transmitting / receiving section 603) is performed, and in section 4, only the transmitting operation (c) by the TDMA method (second transmitting / receiving section 603) is performed. ing. That is, when the transmission / reception operation by the CDMA system (first transmission / reception unit 602) is performed, the transmission operation or the reception operation by the TDMA system (second transmission / reception unit 603) is not performed at the same time.
- the second transmitting / receiving section When it is necessary to perform operations such as RSSI (Received Signal Strength Indicator) measurement of a signal received by the MA mobile communication system, cell search, etc., the transmission operation of the first transmission / reception unit 602 is performed. It must be temporarily stopped.
- RSSI Received Signal Strength Indicator
- Patent Document 1 Japanese Patent No. 3235570 (P.16, Figure 2)
- Patent Literature 2 Japanese Patent Application Laid-Open No. 2001-344573 (Page 10, FIG. 1)
- special timing control including the base station, negotiation for identifying an upper layer, and before and after the transmission operation is stopped are performed.
- complicated control such as compression or decimation processing of transmission data and change of transmission power is required.
- Even if such control is performed the communication quality after the transmission operation is stopped may be degraded, interference with other terminals may increase, and as a result, the system capacity may be reduced, and a failure may easily occur. .
- the first transmitting / receiving section 602 needs to perform a receiving operation using the CDMA mobile communication scheme while the second transmitting / receiving section 603 is performing communication using the TDMA mobile communication scheme
- TD It is necessary to control the timing so that the first transmission / reception unit 602 performs a reception operation only in a slot other than the transmission slot of the MA mobile communication system.
- the present invention has been made in view of the above-mentioned conventional problems, and has been made under a predetermined condition, without being restricted to a transmission operation by the first communication method, by a reception operation by the second communication method.
- the purpose of the present invention is to provide a multimode communication terminal capable of performing operations and a method of controlling multimode transmission / reception operations.
- a multi-mode communication terminal comprises: a first communication means for performing transmission / reception using a first communication method; and a second communication means for performing transmission / reception using a second communication method.
- a multi-mode communication terminal comprising: a transmission power detection unit that detects transmission power when the first communication unit performs a transmission operation; and a transmission power value detected by the transmission power detection unit.
- a comparison unit that compares the transmission power value with the predetermined reference value, if the transmission power value is lower than the predetermined reference value, even if the first communication unit is performing a transmission operation.
- control means for controlling the second communication means to perform a receiving operation.
- the control unit may be configured such that, as a result of the comparison by the comparison unit, if the transmission power value is lower than the predetermined reference value, the first communication unit is performing a transmission operation.
- a timing signal generating means for generating a timing signal for instructing the second communication means to perform a receiving operation, wherein the first communication is performed in accordance with the timing signal generated by the timing signal generating means. It controls the operation of the means and the second communication means. Therefore, according to the timing signal generated by the timing signal generation means, the second communication means can perform the reception operation even when the first communication means is performing the transmission operation.
- the transmission power detection means detects transmission power when the second communication means performs a transmission operation
- the comparison means detects the transmission power by the transmission power detection means. Comparing the obtained transmission power value with a predetermined reference value, and the control means, as a result of the comparison by the comparison means, if the transmission power value of the second communication means is lower than the predetermined reference value, A control is performed such that the first communication unit performs a reception operation even while the second communication unit is performing a transmission operation, and a transmission power value when the first communication unit performs a transmission operation by the comparison unit.
- a predetermined reference value to be compared with It is preferable that the value is different from a predetermined reference value which is compared with a transmission power value when the second communication means performs a transmission operation by the comparing means.
- a multimode communication terminal includes an antenna to which the first communication means and the second communication means are simultaneously connected. Therefore, transmission and reception by the first communication means and transmission and reception by the second communication means can be simultaneously performed by a single antenna.
- one of the first communication method and the second communication method is a CDMA method and the other is a TDMA method.
- the multi-mode transmission / reception operation control method includes: a first communication unit that performs transmission and reception according to a first communication system; and a second communication unit that performs transmission and reception according to a second communication system.
- a multi-mode transmission / reception operation control method performed by the multi-mode communication terminal provided with: a transmission power detection step of detecting transmission power when the first communication unit performs a transmission operation; and a transmission power detection step.
- FIG. 1 is a block diagram showing a configuration of a multi-mode communication terminal according to an embodiment of the present invention.
- FIG. 2 is a timing chart in the case where the transmission power value of the W—C DMA transmission section 101 is higher than the W—C DMA reference value (transmission power reference value).
- FIG. 3 is a timing chart when the transmission power value of the W—C DMA transmission section 101 is lower than the W—C DMA reference value (transmission power reference value).
- FIG. 4 is a timing chart when the transmission power value of the GSM transmission unit 103 is higher than the GSM reference value (transmission power reference value).
- FIG. 5 is a timing chart when the transmission power value of the GSM transmission unit 104 is lower than the GSM reference value (transmission power reference value).
- FIG. 6 is a block diagram showing a configuration of a conventional multimode communication terminal.
- FIG. 7 is a timing chart of a conventional multimode communication terminal.
- 1 1 1 is an antenna
- 106 and 1 16 are duplexers
- 105 is a high-frequency switch
- 101 is a W-CDMA transmitter
- 102 is a W-CDMA receiver
- 103 is a GSM transmitter.
- 104 is a receiving unit for 03
- 107 is a timing signal generation unit
- 108 is a control unit
- 109 is a transmission power reference value storage unit
- 110 is a transmission power comparison unit
- 1 13 is a transmission power detection unit.
- the multi-mode communication terminal according to the present embodiment includes a mobile communication and a TDMA (Time Division Division) based on a W-CDMA (Wideband-CDMA) system, which is a kind of a CDMA (Code Division Multiple Access) system.
- TDMA Time Division Division
- W-CDMA Wideband-CDMA
- CDMA Code Division Multiple Access
- GSM time-division multiple access
- GSM global system for mobile communication
- the reception operation of the GSM scheme is performed when the communication is performed by the W—CDM scheme, or the W—CDMA scheme is performed when the communication is performed by the GSM scheme. A case of performing the receiving operation of the system will be described.
- FIG. 1 is a configuration diagram illustrating a multi-mode communication terminal according to an embodiment of the present invention.
- the multimode communication terminal according to the present embodiment is compatible with the antenna 111, the duplexer 116, the duplexer 106, the high frequency switch 105, and the W-CDMA system (hereinafter referred to as "W-CDMA"). W-CDMA ").
- Transmitter 101 W-CDMA receiver 102, GSM compatible (hereinafter referred to as" GSM ") transmitter 103, GSM receiver 104, A transmission power detection unit 113 corresponding to a transmission power detection unit in claims, a transmission power reference value storage unit 109, a transmission power comparison unit 110 corresponding to a comparison unit, a timing signal generation unit 107, and a control unit.
- GSM GSM compatible
- a part 108 is provided.
- the W-CDMA transmitter 10 1 and The W-CDMA receiving unit 102 corresponds to a first communication unit
- the GSM transmitting unit 103 and the GSM receiving unit 104 correspond to a second communication unit.
- the timing signal generation unit 107 and the control unit 108 correspond to control means.
- the antenna 111 is an antenna for transmitting and receiving signals between a base station (not shown) and the multimode communication terminal.
- the duplexer 116 connects the duplexer 106 or the high-frequency switch 105 to the antenna depending on whether communication is performed by the W-CDM system or the GSM system.
- the duplexer 106 connects the W-CDMA transmitting section 101 and the W-CDMA receiving section 102 to the antenna 111 via the duplexer 116.
- the high-frequency switch 105 connects the GSM transmitting unit 103 or the GSM receiving unit 104 to the antenna 111 via the duplexer 116 according to a control signal output from the control unit 108.
- the W-CDMA transmitting section 101 performs a transmitting operation according to the W-C DMA method.
- the W-CDMA receiving section 102 performs a receiving operation according to the W-CDMA method.
- the transmitting section 103 for 031 ⁇ performs a transmitting operation according to the GSM scheme.
- the GSM receiving section 104 performs a receiving operation according to the GSM scheme.
- the W-CDMA transmitting section 101, the W-CDMA receiving section 102, the GSM transmitting section 103, and the GSM receiving section 104 are controlled by the control section 108.
- the transmission power detection section 113 detects the transmission power when the W-CDMA transmission section 101 or the GSM transmission section 103 performs a transmission operation, and notifies the transmission power comparison section 110 of the detected transmission power.
- the transmission power reference value storage unit 109 stores the transmission power reference value used in the transmission power comparison unit 111.
- the transmission power reference value is such a low power value that the communication quality does not deteriorate without mutual interference even if the GSM receiver 104 performs the reception operation when the W-CDMA transmitter 101 performs the transmission operation. (Hereinafter referred to as “W—CDMA reference value”.) Or, when the GSM transmitting section 103 is performing a transmitting operation. W—Refers to a low power value (hereinafter referred to as “GSM reference value”) to the extent that communication quality does not deteriorate without mutual interference even when receiving section 102 for CDMA performs a receiving operation.
- GSM reference value a low power value
- the transmission power comparison section 110 reads the transmission power reference value from the transmission power reference value storage section 109, and stores the transmission power reference value and the W-CDMA transmission section 101 or W-CDMA detected by the transmission power detection section 113. It compares the magnitude of the transmission power value of the GSM transmitting section 103 and notifies the timing signal generating section 107 of the comparison result.
- the timing signal generation unit 107 generates a W-CDMA transmission unit 101, a W-CDMA reception unit 102, a GSM transmission unit 103, and a 031 ⁇ reception unit 104 according to the comparison result of the transmission power comparison unit 110. It generates a timing signal indicating the timing at which each operates.
- the GSM reception section 104 is operated while the W-CDMA transmission section 101 is operating, or the GSM transmission section 103 is operated. This is a case in which the W—C DMA receiving unit 102 is operated during operation.
- the timing signal generator 107 determines the transmission power value of the W-CDMA transmitter 101 by the transmission power comparator 110. A different timing signal is generated according to the comparison result between the W and CDMA reference value (transmission power reference value). That is, if the transmission power value of the W-C DMA transmission unit 101 is higher than the reference value for W-CDMA, the operation of the GSM reception unit 104 is temporarily stopped after the operation of the W-CDMA transmission unit 101 is temporarily stopped. Is started, a timing signal indicating the instruction is generated.
- the transmission power value of the W—CDMA transmitting unit 101 is lower than the reference value for W—CDMA, the operation of the W—CDMA transmitting unit 101 is not stopped, and the W—CDMA transmitting unit 101 is not stopped.
- a timing signal indicating an instruction to perform the receiving operation of the GSM receiving section 104 in parallel with the same time as the transmitting operation is generated.
- the timing signal generating section 107 transmits the transmission power of the GSM transmitting section 103 by the transmission power comparing section 110.
- a different timing signal is generated according to the comparison result between the value and the GSM reference value (transmit power reference value). That is, if the transmission power value of GSM transmission section 103 is higher than the GSM reference value, GSM transmission section 10
- the W-CDMA receiving section 102 performs the receiving operation at the timing when the 3 is not operating, it generates a timing signal indicating an instruction when the receiving section 102 performs the receiving operation.
- W-CDMA receiving section 102 performs a receiving operation independently of the operation of GSM transmitting section 103, that is, At the time, the GSM transmitting section 103 and the W-CDMA receiving section 102 generate a timing signal indicating an instruction when they operate in parallel at the same time.
- control section 108 transmits W—CDMA transmitting section 101, W—CDMA receiving section 102, and 031 ⁇ [transmitting section 103 in accordance with the timing signal generated by timing signal generating section 107.
- the operation of each of the GSM receiving sections 104 is controlled.
- the control unit 108 controls the high-frequency switch 105 so that either the GSM transmitting unit 103 or the GSM receiving unit 104 is connected to the antenna 111 via the duplexer 116.
- FIGS. 2 to 5 show the transmission operation of the W-CDMA transmission unit 101, (b) shows the reception operation of the W-CDMA reception unit 102, and (c) shows the GSM transmission unit 103.
- D shows a timing chart related to the receiving operation of the GSM receiving unit 104.
- each operation is performed when ⁇ ⁇ i h h J and not performed when “Low”.
- Fig. 2 is a timing chart when the transmission power value of the W-CDMA transmission unit 101 is higher than the W-CDMA reference value (transmission power reference value).
- the transmission power detection unit 113 detects the transmission power of the W-CDMA transmission unit 101.
- the transmission power comparing section 110 compares the transmission power value with a W-CDMA reference value (transmission power reference value).
- the timing signal generation unit 107 instructs each unit to operate at the timing shown in FIG. Generate a timing signal.
- the control section 108 controls the operation of each section according to the timing signal, so that the W-CDMA transmitting section 101 temporarily stops the transmitting operation at time T2, and the GSM receiving section 104 performs the receiving operation. Starts at time T3 and ends at time T4, and the W—CDMA transmitting section 101 resumes the transmission operation at time T5. Note that after time T6, the same operation as the above-described operation is repeated.
- the timing signal generation unit 107 uses the W-CDM
- the A transmitting unit 101 and the GSM receiving unit 104 generate timing signals that do not operate in parallel at the same time.
- the compressed mode specified by the W-CDMA system is applied.
- the compressed mode specified by the W-CDMA system is applied.
- the receiving operation of 02 is not stopped, it may be temporarily stopped together with the W-CDMA transmitting section 101.
- the transmission power detection unit 113 detects the transmission power of the W-CDMA transmission unit 101 and the transmission power comparison unit 110 determines the transmission power value.
- W—CDMA reference value transmit power reference value
- the timing signal generation unit 107 instructs each unit to operate at the timing shown in FIG.
- the control unit 108 controls the operation of each unit according to the timing signal, so that the GSM receiving unit 104 includes the W—CDMA transmitting unit 101 and the W—CDMA receiving unit 102. Regardless of the operation of, the receiving operation starts at an arbitrary time T12 and ends at an arbitrary time T13. You. Note that after time T14, the same operation as the above-described operation is repeated. Thus, timing signal generating section 107 generates a timing signal such that W-CDMA transmitting section 101 and GSM receiving section 104 operate in parallel at the same time.
- FIG. 4 is a timing chart when the transmission power value of the GSM transmitter 103 is higher than the GSM reference value (transmission power reference value).
- FIG. It is a timing chart when it is lower than SM reference value (transmission power reference value).
- the transmission power detection unit 113 detects the transmission power of the GSM transmission unit 103, and the transmission power comparison unit 110 compares the transmission power value with the GSM. And the reference value (transmission power reference value).
- the timing signal generation unit 107 instructs each unit to operate at the timing shown in FIG. Generate a signal.
- the control section 108 controls the operation of each section in accordance with the timing signal, so that the W-CDMA receiving section 102 operates at time T22 during the period when the 03 transmitting section 103 and the GSM receiving section 104 are not operating.
- the receiving operation starts and ends at time T23.
- the W-C DMA receiving unit 102 starts the receiving operation at time T24 and ends at time T25. Note that after time T26, the same operation as the above operation is repeated.
- timing signal generating section 107 generates a timing signal such that GSM transmitting section 103 and GSM receiving section 104 and W-CDMA receiving section 102 do not operate at the same time in parallel. .
- W-CDMA receiving section 102 does not operate at the same time as either of GSM transmitting section 103 and GSM receiving section 104. But, Depending on the degree of mutual interference, W-CDMA receiving section 102 and GSM receiving section 104 may be operated in parallel.
- the transmission power detection section 113 detects the transmission power of the GSM transmission section 103
- the transmission power comparison section 110 detects the transmission power value and the GSM And the transmission reference value (transmission power reference value).
- the timing signal generation unit 107 When the transmission power value of the GSM transmission unit 103 is lower than the GSM reference value (transmission power reference value), the timing signal generation unit 107 generates a timing signal that instructs each unit to operate at the timing shown in FIG. Generate.
- the control section 108 controls the operation of each section in accordance with the timing signal, so that the W-CDMA receiving section 102 can perform an arbitrary time regardless of the operations of the GSM transmitting section 103 and the GSM receiving section 104.
- the receiving operation starts at T32 and ends at an arbitrary time T33. In addition, after time T34, the same operation as the above operation is repeated.
- the timing signal generating section 107 generates a timing signal such that the GSM transmitting section 103, the GSM receiving section 104, and the W-CDMA receiving section 102 operate at the same time at a certain time. I do.
- the transmission power detection section 113 detects the transmission power of the W—CDMA transmission section 101 or the GSM transmission section 103 and compares the transmission power.
- Unit 110 compares the transmission power value with the transmission power reference value. Then, based on the comparison result, the timing signal generation unit 107 generates a predetermined timing signal, and the control unit 108 transmits the W-CDMA transmission unit 101 and the W-CDMA reception unit 102 in accordance with the timing signal. , And controls the operations of the GSM transmitting unit 103 and the GSM receiving unit 104.
- Timing signals are generated to operate different transmitters and receivers in parallel at the same time. That is, W—CDMA system (Or GSM system) When performing a GSM (or W-CDMA) reception operation, if the transmission power is lower than a predetermined reference (transmission power reference value), the transmitter The receivers with different communication schemes are operated without stopping the operation of.
- a predetermined reference transmission power reference value
- the receiving section 102 for CDMA is receiving. For this reason, the receiving operation of the W-CDMA receiving section 102 can be performed without being restricted by the timing / time by the slot. As a result, the time required for the receiving operation can be sufficiently obtained.
- the W-CDMA system as the CDMA mobile communication system and the GSM system as the TDMA mobile communication system have been described as examples.
- the present invention is not limited to this.
- PDC Personal Digital Cellular
- the transmission operation by the second communication method is not limited to the transmission operation by the first communication method.
- a receiving operation can be performed.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003046185 | 2003-02-24 | ||
JP2003-046185 | 2003-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004075439A1 true WO2004075439A1 (ja) | 2004-09-02 |
Family
ID=32905543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/001858 WO2004075439A1 (ja) | 2003-02-24 | 2004-02-19 | マルチモード通信端末およびマルチモード送受信動作制御方法 |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2004075439A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009514433A (ja) * | 2005-10-31 | 2009-04-02 | インテル コーポレイション | 複数の無線通信装置のプラットフォーム共存システムを提供する方法及び装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001102954A (ja) * | 1999-09-30 | 2001-04-13 | Toshiba Corp | 移動体通信端末 |
JP2001177433A (ja) * | 1999-12-21 | 2001-06-29 | Murata Mfg Co Ltd | 高周波複合部品及び移動体通信装置 |
JP2001217853A (ja) * | 2000-01-20 | 2001-08-10 | Lucent Technol Inc | 通信装置 |
JP2001230756A (ja) * | 2000-02-17 | 2001-08-24 | Matsushita Electric Ind Co Ltd | Cdma方式を適用したデータ送信装置及びデータ送信方法 |
JP2002509256A (ja) * | 1998-01-20 | 2002-03-26 | スナップトラック・インコーポレーテッド | 複合型gpsレシーバおよび通信システムにおける相互干渉の低減 |
JP2003507955A (ja) * | 1999-08-24 | 2003-02-25 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 複合通信規格を使用する装置の並列処理 |
-
2004
- 2004-02-19 WO PCT/JP2004/001858 patent/WO2004075439A1/ja not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002509256A (ja) * | 1998-01-20 | 2002-03-26 | スナップトラック・インコーポレーテッド | 複合型gpsレシーバおよび通信システムにおける相互干渉の低減 |
JP2003507955A (ja) * | 1999-08-24 | 2003-02-25 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 複合通信規格を使用する装置の並列処理 |
JP2001102954A (ja) * | 1999-09-30 | 2001-04-13 | Toshiba Corp | 移動体通信端末 |
JP2001177433A (ja) * | 1999-12-21 | 2001-06-29 | Murata Mfg Co Ltd | 高周波複合部品及び移動体通信装置 |
JP2001217853A (ja) * | 2000-01-20 | 2001-08-10 | Lucent Technol Inc | 通信装置 |
JP2001230756A (ja) * | 2000-02-17 | 2001-08-24 | Matsushita Electric Ind Co Ltd | Cdma方式を適用したデータ送信装置及びデータ送信方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009514433A (ja) * | 2005-10-31 | 2009-04-02 | インテル コーポレイション | 複数の無線通信装置のプラットフォーム共存システムを提供する方法及び装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1244325B1 (en) | Radio apparatus and handover control method for radio apparatus | |
JP4553538B2 (ja) | 受信機を不感状態とすることにより、送信機と同一位置に設けられており、送信機からの妨害を受けやすい受信機の動作を維持するためのシステムおよび方法 | |
CN101297505B (zh) | 移动站和其中使用的节能发送和接收方法 | |
JP4744377B2 (ja) | 通信端末装置及び通信方法 | |
JP3119605B2 (ja) | 無線基地局 | |
JPH1198072A (ja) | 無線周波数切替方法 | |
AU4478999A (en) | Reception diversity control method and diversity receiver | |
JPH10271062A (ja) | 無線携帯情報端末 | |
JP4194553B2 (ja) | 無線通信装置 | |
US7079817B2 (en) | Radio communication device that meets a plurality of frequency bands | |
JPWO2007148391A1 (ja) | マルチシステム無線通信装置 | |
JP3110217B2 (ja) | 移動無線通信装置 | |
EP1192725B1 (en) | MULTIPLE MODE RADIOTELEPHONES INCLUDING i GLUE /i CIRCUITS AND RELATED METHODS AND CIRCUITS | |
CN114125973B (zh) | 条件切换去配置方法及装置 | |
WO2004075439A1 (ja) | マルチモード通信端末およびマルチモード送受信動作制御方法 | |
JP2005341366A (ja) | 携帯電話端末装置 | |
JP2000165937A (ja) | 無線中継装置及び無線中継方法 | |
JP2015076799A (ja) | 無線通信装置およびプログラム | |
JP2005229539A (ja) | 移動通信端末装置 | |
JPH1093489A (ja) | 無線通信装置及びダイバーシチ受信方法 | |
WO1999016190A1 (en) | Equipment and method for radio communication | |
JP2941469B2 (ja) | 移動無線通信システムおよびこのシステムで使用される移動局装置 | |
JPH05308317A (ja) | 無線電話装置 | |
JP2004242006A (ja) | 通信端末装置 | |
KR100322014B1 (ko) | 디지털셀룰러단말기의베이스밴드아날로그칩셋성능테스트장치및그방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |