-
1.发明授权Modified dual band direct conversion architecture that allows extensive digital calibration 有权改进的双频带直接转换架构，允许广泛的数字校准公开(公告)号：US07463864B2
公开(公告)日：2008-12-09
申请号：US11103329
申请日：2005-04-11
Applicant: Iason Vassiliou , Nikos Haralabidis , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Inventor： Iason Vassiliou , Nikos Haralabidis , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
CPC classification number: H04B1/408 , H04B1/30 , H04L2027/0016
Abstract: A dual band direct conversion architecture for both the receive (RX) and transmit (TX) path of a communications transceiver that minimizes the transceiver area by sharing common circuits used in both RX and TX paths is disclosed. The transceiver also allows the use of extensive digital calibration in order to achieve performance adequate to support high bit rate modulation schemes.
Abstract translation: 公开了一种用于通信收发器的接收（RX）和发送（TX）路径的双频带直接转换架构，其通过共享RX和TX路径中使用的公共电路来最小化收发器区域。 收发器还允许使用广泛的数字校准，以便实现足以支持高比特率调制方案的性能。
-
2.发明申请Modified dual band direct conversion architecture that allows extensive digital calibration 有权改进的双频带直接转换架构，允许广泛的数字校准公开(公告)号：US20060178165A1
公开(公告)日：2006-08-10
申请号：US11103329
申请日：2005-04-11
Applicant: Iason Vassiliou , Nikos Haralabidis , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Inventor： Iason Vassiliou , Nikos Haralabidis , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
CPC classification number: H04B1/408 , H04B1/30 , H04L2027/0016
Abstract: A dual band direct conversion architecture for both the receive (RX) and transmit (TX) path of a communications transceiver that minimizes the transceiver area by sharing common circuits used in both RX and TX paths is disclosed. The transceiver also allows the use of extensive digital calibration in order to achieve performance adequate to support high bit rate modulation schemes.
Abstract translation: 公开了一种用于通信收发器的接收（RX）和发送（TX）路径的双频带直接转换架构，其通过共享RX和TX路径中使用的公共电路来最小化收发器区域。 收发器还允许使用广泛的数字校准，以便实现足以支持高比特率调制方案的性能。
-
公开(公告)号：US20100233971A1
公开(公告)日：2010-09-16
申请号：US12777874
申请日：2010-05-11
Applicant: Iason Vassiliou , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Inventor： Iason Vassiliou , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
IPC: H04B1/38
Abstract: A method for calibrating a transceiver includes selecting one of a plurality of available calibration paths on the transceiver to be active. The transceiver includes a transmitter and a receiver. The selected one of the plurality of available calibration paths couples the transmitter to the receiver through a circuit that is external to the transceiver. A calibration signal may be provided to enable calibration of the transceiver via the selected one of the plurality of available calibration paths. The calibration signal may be received after it has passed through the selected one of the plurality of calibration paths. Characteristics of the transceiver may be measured using the received calibration signal.
Abstract translation: 用于校准收发器的方法包括选择收发器上的多个可用校准路径中的一个以使其成为活动的。 收发器包括发射机和接收机。 多个可用校准路径中的所选择的一个通过在收发器外部的电路将发射机耦合到接收机。 可以提供校准信号以使得能够经由多个可用校准路径中的所选择的校准路径对收发器进行校准。 校准信号可以在其通过多个校准路径中的所选择的一个之后被接收。 可以使用接收到的校准信号来测量收发器的特性。
-
4.发明申请METHOD AND SYSTEM FOR CALIBRATING A MULTI-MODE, MULTI-STANDARD TRANSMITTER AND RECEIVER 有权用于校准多模，多标准发射机和接收机的方法和系统公开(公告)号：US20090227214A1
公开(公告)日：2009-09-10
申请号：US12427564
申请日：2009-04-21
Applicant: Theodore Georgantas , Stamatios Alexandros Bouras , Christos Kokozidis
Inventor： Theodore Georgantas , Stamatios Alexandros Bouras , Christos Kokozidis
IPC: H04B1/40
Abstract: Methods and systems for calibrating a multi-mode, multi-standard transmitter and receiver are disclosed. Aspects of the method may include configuring calibration paths in a transceiver on a chip including a plurality of Tx and Rx paths. IP2 distortion may be calibrated for the Rx paths utilizing a phase locked loops in the chip and the configurable calibration paths. Local oscillator leakage, Rx path DC offset and RSSI, Tx and Rx I and Q mismatch, and Tx and Rx path filters may be calibrated utilizing the plurality of configurable calibration paths. Cutoff frequency of the filters in the Tx and Rx paths may be calibrated. Blocker signals may be mitigated by calibrating amplifier gains in the Rx paths. The calibration paths may include an envelope detector. Local oscillator leakage and I and Q mismatch may be mitigated utilizing pre-distortion generated by an on-chip digital signal processor in the Tx paths.
Abstract translation: 公开了用于校准多模式，多标准发射器和接收器的方法和系统。 该方法的方面可以包括在包括多个Tx和Rx路径的芯片上的收发器中配置校准路径。 可以利用芯片中的锁相环和可配置校准路径为Rx路径校准IP2失真。 本地振荡器泄漏，Rx路径DC偏移和RSSI，Tx和Rx I和Q失配以及Tx和Rx路径滤波器可以使用多个可配置校准路径进行校准。 可以校准Tx和Rx路径中滤波器的截止频率。 通过校准Rx路径中的放大器增益可以缓解阻塞信号。 校准路径可以包括包络检测器。 可以利用Tx路径中的片上数字信号处理器产生的预失真来减轻本地振荡器泄漏和I和Q失配。
-
5.发明申请MODIFIED DUAL BAND DIRECT CONVERSION ARCHITECTURE THAT ALLOWS EXTENSIVE DIGITAL CALIBRATION 有权改进的双带直接转换架构，允许扩展的数字校准公开(公告)号：US20090088086A1
公开(公告)日：2009-04-02
申请号：US12329889
申请日：2008-12-08
Applicant: Iason Vassiliou , Nikos Haralabidis , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Inventor： Iason Vassiliou , Nikos Haralabidis , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
IPC: H04B1/10
CPC classification number: H04B1/408 , H04B1/30 , H04L2027/0016
Abstract: A communication device may include one or more circuits in an integrated transmitter and receiver that includes a transmit path and a receive path. The transmit path may include an I processing baseband transmit path and a Q processing baseband transmit path. The receive path may include an I processing baseband receive path and a Q processing baseband receive path. The one or more circuits may enable sharing a first common filter by the I processing baseband transmit path and the I processing baseband receive path. The one or more circuits may also enable sharing a second common filter by the Q processing baseband transmit path and the Q processing baseband receive path. The first common filter and the second common filter are independently programmable to adjust a phase and/or a gain of the said first common filter, and/or a phase and/or a gain of the second common filter.
Abstract translation: 通信设备可以包括集成发射机和接收机中的一个或多个电路，其包括发射路径和接收路径。 发送路径可以包括I处理基带发送路径和Q处理基带发送路径。 接收路径可以包括I处理基带接收路径和Q处理基带接收路径。 一个或多个电路可以实现通过I处理基带发送路径和I处理基带接收路径共享第一公共滤波器。 一个或多个电路还可以使得能够通过Q处理基带发送路径和Q处理基带接收路径共享第二公共滤波器。 第一公共滤波器和第二公共滤波器可独立地编程以调节所述第一公共滤波器的相位和/或增益，和/或第二公共滤波器的相位和/或增益。
-
Patent Agency Ranking
公开(公告)号：US09184857B2
公开(公告)日：2015-11-10
申请号：US12777874
申请日：2010-05-11
Applicant: Iason Vassiliou , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Inventor： Iason Vassiliou , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Abstract: A method for calibrating a transceiver includes selecting one of a plurality of available calibration paths on the transceiver to be active. The transceiver includes a transmitter and a receiver. The selected one of the plurality of available calibration paths couples the transmitter to the receiver through a circuit that is external to the transceiver. A calibration signal may be provided to enable calibration of the transceiver via the selected one of the plurality of available calibration paths. The calibration signal may be received after it has passed through the selected one of the plurality of calibration paths. Characteristics of the transceiver may be measured using the received calibration signal.
Abstract translation: 用于校准收发器的方法包括选择收发器上的多个可用校准路径中的一个以使其成为活动的。 收发器包括发射机和接收机。 多个可用校准路径中的所选择的一个通过在收发器外部的电路将发射机耦合到接收机。 可以提供校准信号以使得能够经由多个可用校准路径中的所选择的校准路径对收发器进行校准。 校准信号可以在其通过多个校准路径中的所选择的一个之后被接收。 可以使用接收到的校准信号来测量收发器的特性。
-
7.发明授权Method and system for calibrating a multi-mode, multi-standard transmitter and receiver 有权用于校准多模，多标准发射器和接收器的方法和系统公开(公告)号：US09065537B2
公开(公告)日：2015-06-23
申请号：US12427564
申请日：2009-04-21
Applicant: Theodore Georgantas , Stamatios Alexandros Bouras , Christos Kokozidis
Inventor： Theodore Georgantas , Stamatios Alexandros Bouras , Christos Kokozidis
Abstract: Methods and systems for calibrating a multi-mode, multi-standard transmitter and receiver are disclosed. Aspects of the method may include configuring calibration paths in a transceiver on a chip including a plurality of Tx and Rx paths. IP2 distortion may be calibrated for the Rx paths utilizing a phase locked loops in the chip and the configurable calibration paths. Local oscillator leakage, Rx path DC offset and RSSI, Tx and Rx I and Q mismatch, and Tx and Rx path filters may be calibrated utilizing the plurality of configurable calibration paths. Cutoff frequency of the filters in the Tx and Rx paths may be calibrated. Blocker signals may be mitigated by calibrating amplifier gains in the Rx paths. The calibration paths may include an envelope detector. Local oscillator leakage and I and Q mismatch may be mitigated utilizing pre-distortion generated by an on-chip digital signal processor in the Tx paths.
Abstract translation: 公开了用于校准多模式，多标准发射器和接收器的方法和系统。 该方法的方面可以包括在包括多个Tx和Rx路径的芯片上的收发器中配置校准路径。 可以利用芯片中的锁相环和可配置校准路径为Rx路径校准IP2失真。 本地振荡器泄漏，Rx路径DC偏移和RSSI，Tx和Rx I和Q失配以及Tx和Rx路径滤波器可以使用多个可配置校准路径进行校准。 可以校准Tx和Rx路径中滤波器的截止频率。 通过校准Rx路径中的放大器增益可以缓解阻塞信号。 校准路径可以包括包络检测器。 可以利用Tx路径中的片上数字信号处理器产生的预失真来减轻本地振荡器泄漏和I和Q失配。
-
8.发明授权Modified dual band direct conversion architecture that allows extensive digital calibration 有权改进的双频带直接转换架构，允许广泛的数字校准公开(公告)号：US07818028B2
公开(公告)日：2010-10-19
申请号：US12329889
申请日：2008-12-08
Applicant: Iason Vassiliou , Nikos Haralabidis , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Inventor： Iason Vassiliou , Nikos Haralabidis , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
CPC classification number: H04B1/408 , H04B1/30 , H04L2027/0016
Abstract: A communication device may include one or more circuits in an integrated transmitter and receiver that includes a transmit path and a receive path. The transmit path may include an I processing baseband transmit path and a Q processing baseband transmit path. The receive path may include an I processing baseband receive path and a Q processing baseband receive path. The one or more circuits may enable sharing a first common filter by the I processing baseband transmit path and the I processing baseband receive path. The one or more circuits may also enable sharing a second common filter by the Q processing baseband transmit path and the Q processing baseband receive path. The first common filter and the second common filter are independently programmable to adjust a phase and/or a gain of the said first common filter, and/or a phase and/or a gain of the second common filter.
Abstract translation: 通信设备可以包括集成发射机和接收机中的一个或多个电路，其包括发射路径和接收路径。 发送路径可以包括I处理基带发送路径和Q处理基带发送路径。 接收路径可以包括I处理基带接收路径和Q处理基带接收路径。 一个或多个电路可以实现通过I处理基带发送路径和I处理基带接收路径共享第一公共滤波器。 一个或多个电路还可以使得能够通过Q处理基带发送路径和Q处理基带接收路径共享第二公共滤波器。 第一公共滤波器和第二公共滤波器可独立地编程以调节所述第一公共滤波器的相位和/或增益，和/或第二公共滤波器的相位和/或增益。
-
公开(公告)号：US20100048196A1
公开(公告)日：2010-02-25
申请号：US12325715
申请日：2008-12-01
Applicant: Theodore Georgantas , Nikolaos Haralabidis , Spyridon Kavadias , Stamatios Alexandros Bouras , Charalampos Kapnistis , Konstantinos Vavelidis , Ilias Bouras
Inventor： Theodore Georgantas , Nikolaos Haralabidis , Spyridon Kavadias , Stamatios Alexandros Bouras , Charalampos Kapnistis , Konstantinos Vavelidis , Ilias Bouras
IPC: H04W4/00
CPC classification number: H04B1/109 , H03G3/3078
Abstract: Methods and systems for a variable system on demand are disclosed. Aspects of the method may include configuring one or more filters in a wireless transmitter and/or receiver for a desired band and standard. The presence of a blocker signal in a receiver may be known and/or determined and the receiver may be configured for mitigating the blocker signal. A desired received signal strength indicator may be compared to a wideband received signal strength indicator. Gain levels may be configured in the receiver based on the comparison. Linearity of the receiver may be configured for blocker signal mitigation. The filters may include baseband filters and/or may be at an output of the receiver. The filters may include a plurality of stages, with one or more of the stages bypassed for filter configuring, and may include a mixer as an input. Capacitors and/or resistors may be configured in the filters.
Abstract translation: 公开了可变系统按需的方法和系统。 该方法的方面可以包括在无线发射机和/或接收机中为一个期望的频带和标准配置一个或多个滤波器。 接收机中阻塞信号的存在可以是已知和/或确定的，并且接收机可被配置为减轻阻塞信号。 可以将期望的接收信号强度指示符与宽带接收信号强度指示符进行比较。 基于比较可以在接收机中配置增益级别。 接收器的线性度可被配置为阻塞信号减轻。 滤波器可以包括基带滤波器和/或可以在接收机的输出端。 滤波器可以包括多个级，其中一个或多个级旁路用于滤波器配置，并且可以包括混频器作为输入。 滤波器中可以配置电容器和/或电阻器。
-
公开(公告)号：US07715836B2
公开(公告)日：2010-05-11
申请号：US10654199
申请日：2003-09-02
Applicant: Iason Vassiliou , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Inventor： Iason Vassiliou , Theodore Georgantas , Akira Yamanaka , Konstantinos Vavelidis , Sofoklis Plevridis
Abstract: A transceiver for transmitting and receiving signals includes a transmitter operative to up-convert baseband signals from a baseband frequency into RF signals at a radio frequency (RF) frequency and output the RF signals, a receiver operative to receive RF signals and down-convert the RF signals into baseband signals having the baseband frequency, and a plurality of calibration paths coupling the transmitter to the receiver. Any of the calibration paths can be selected to be active when calibrating components of the transceiver. Tunable components can use calibration information to optimize transceiver performance.
Abstract translation: 用于发送和接收信号的收发器包括发射器，其操作以将来自基带频率的基带信号上变频成射频（RF）频率的RF信号并输出RF信号，接收器可操作以接收RF信号并下变频 将RF信号转换成具有基带频率的基带信号，以及将发送器耦合到接收器的多个校准路径。 当校准收发器的组件时，任何校准路径都可以选择为有效。 可调谐组件可以使用校准信息来优化收发器性能。
-
-
-
-
-
-
-
-
-
Search Results
10
records
(took 0.014 seconds)
