WO2016023309A1 - 一种载波聚合装置 - Google Patents
一种载波聚合装置 Download PDFInfo
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- WO2016023309A1 WO2016023309A1 PCT/CN2014/093225 CN2014093225W WO2016023309A1 WO 2016023309 A1 WO2016023309 A1 WO 2016023309A1 CN 2014093225 W CN2014093225 W CN 2014093225W WO 2016023309 A1 WO2016023309 A1 WO 2016023309A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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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
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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
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
Definitions
- the present invention relates to the field of multi-mode mobile communication technologies, and in particular, to a carrier aggregation apparatus.
- LTE-A Long-term evolution
- LTE Advance Long-term evolution
- LTE-A Long-term evolution
- LTE-A Long-term evolution
- carrier aggregation has a significant improvement in data rate.
- the existing technologies for terminal carrier aggregation in the industry are generally a combination of a low band (High Band) and a high band (High Band), which can implement in-band continuous carrier aggregation (Intra-CA), and carriers for low, medium, and high frequency bands.
- Intra-CA in-band continuous carrier aggregation
- the existing solutions for aggregation are based on a 4-antenna architecture.
- carrier aggregation of 4 antennas is hardly achievable.
- embodiments of the present invention are expected to provide a carrier aggregation apparatus.
- the embodiment of the present invention provides a carrier aggregation device, where the device includes: a first transceiver antenna, a second transceiver antenna, a first RF front end, a second RF front end, and a radio frequency transceiver chip;
- the signal received by the first transceiver antenna is divided into a high frequency signal, an intermediate frequency signal, and a low frequency signal through the first RF front end, and then enters the RF transceiver chip respectively;
- the signal received by the second transceiver antenna is divided into a high frequency signal, an intermediate frequency signal, and a low frequency signal through the second RF front end, and then enters the RF transceiver chip respectively.
- the first radio frequency front end includes: a first duplexer, the first transceiver The antenna is connected to the first duplexer; the first duplexer is configured to divide the signal received from the first transceiver antenna into a first path signal including a low frequency signal, and a second signal including an intermediate frequency and a high frequency signal Road signal
- the second radio frequency front end includes: a second duplexer, wherein the second transceiver antenna is connected to the second duplexer; and the second duplexer is configured to receive from the second transceiver antenna
- the signal is divided into a third signal containing a low frequency signal and a fourth signal containing an intermediate frequency and a high frequency signal.
- the first RF front end further includes: a first energy splitter and a first antenna switch; a low frequency output end of the first duplexer is connected to a low frequency receiving end of the first antenna switch; The middle and high frequency output end of the device is connected to the first antenna switch through the first energy splitter; wherein the first energy splitter is configured to receive the second path signal sent by the first duplexer, After the two-way signal is subjected to frequency division processing, the two signals after the frequency division processing are sent to the first antenna switch;
- the second RF front end further includes: a second energy splitter and a second antenna switch; a low frequency output end of the second duplexer is connected to a low frequency receiving end of the second antenna switch; and a middle frequency of the second duplexer The output end is connected to the second antenna switch by the second energy splitter; wherein the second energy splitter is configured to receive the fourth path signal sent by the second duplexer, and perform the fourth path signal After the frequency division process, the two signals after the frequency division processing are sent to the second antenna switch.
- the first energy collector is configured to divide the received second path signal into a fifth path signal including an intermediate frequency and a sixth path signal including a high frequency;
- the second energy diversity device is configured to The received fourth signal is divided into a seventh signal including an intermediate frequency and an eighth signal including a high frequency.
- the high frequency output end of the first energy splitter is connected to the high frequency receiving end of the first antenna switch;
- the intermediate frequency output end of the first energy splitter is connected to the intermediate frequency receiving end of the first antenna switch;
- the high frequency output end of the second energy splitter is connected to the high frequency receiving end of the second antenna switch;
- the intermediate frequency output end of the second energy splitter is coupled to the intermediate frequency receiving end of the second antenna switch.
- the first energy splitter is a power splitter or a low noise amplifier LNA
- the second capability splitter is a power splitter or a low noise amplifier LNA
- the first radio frequency front end further includes: a first filter, a second filter, and a third filter;
- the first path signal passes through the first antenna switch, passes through the first filter, filters out the clutter, and outputs the signal to the radio frequency transceiver chip;
- the fifth signal passes through the first antenna switch, passes through the second filter, filters out the clutter, and outputs the signal to the RF transceiver chip;
- the sixth antenna signal passes through the first antenna switch, passes through the third filter, filters out the clutter, and outputs the signal to the radio frequency transceiver chip;
- the second radio frequency front end further includes: a fourth filter, a fifth filter, and a sixth filter;
- the third antenna signal passes through the second antenna switch, passes through the fourth filter, filters out the clutter, and outputs the signal to the radio frequency transceiver chip;
- the seventh antenna signal passes through the second antenna switch, passes through the fifth filter, filters out the clutter, and outputs the signal to the radio frequency transceiver chip;
- the sixth filter passes through the sixth filter, filters out the clutter, and outputs the signal to the RF transceiver chip.
- a carrier aggregation apparatus includes: a first transceiver antenna, a second transceiver antenna, a first RF front end, a second RF front end, and a radio frequency transceiver chip; wherein the signal received by the first transceiver antenna After the first RF front end is divided into a high frequency signal, an intermediate frequency signal, and a low frequency signal, the RF transceiver chip is respectively input; the signal received by the second transceiver antenna is divided into a high frequency signal, an intermediate frequency signal, and a path through the second RF front end. After the low frequency signal, they enter the RF transceiver chip respectively.
- a dual-antenna carrier aggregation device can be realized, which saves two antennas compared with the prior art, reduces the interference layout and reduces the layout area of the printed circuit board (PCB), and the product Manufacturing costs are also greatly reduced low.
- PCB printed circuit board
- FIG. 1 is a basic structural diagram of a carrier aggregation apparatus in the prior art
- FIG. 2 is a first structural diagram of a carrier aggregation apparatus according to an embodiment of the present invention
- FIG. 3 is a second structural diagram of a carrier aggregation apparatus according to an embodiment of the present invention.
- FIG. 4 is a third structural diagram of a carrier aggregation apparatus according to an embodiment of the present invention.
- the radio frequency front end has four antennas, which respectively perform the main set reception and diversity reception of the carrier aggregation main and auxiliary carriers, as shown in FIG. 1 , which is a traditional four antenna carrier aggregation device.
- FIG. 1 which is a traditional four antenna carrier aggregation device.
- the basic structure diagram of the conventional carrier aggregation apparatus will be described below with reference to FIG. 1 :
- the signal enters the carrier aggregation device through the transceiver antenna ports (Main ANT1 and DIV ANT1), and then enters the RF transceiver chip (Transceiver) through the RF front end (including the pre-stage RF antenna switch, filter, etc.); exemplary, the front in FIG.
- the RF antenna switch adopts SPNT (Single Push N Throw) transceiver array.
- the filter uses SARF (Surface Acoustic Wave Filter), Main ANT1 (main set ANT1) and DIV ANT1 (diversity ANT1).
- the signal outputted by the transceiver chip is output to the baseband chip through digital processing such as analog/digital (A/D, Analog/Digital) conversion.
- A/D Analog/Digital
- the signal enters the carrier aggregation device through the antenna ports (MAIN ANT2 and DIV ANT2), and then splits into the low- and medium-band signals through the low-medium-band splitter Diplexer, respectively, through the RF front-end (including the front-end RF antenna switch).
- the front-end RF antenna switch in Figure 1 uses SPNT transceiver array
- the filter uses SAW filter
- MAIN ANT2 and DIV ANT2 mainly complete low and medium frequency bands
- the main set and diversity are received; after that, the signal output by the Transceiver is output to the baseband chip through digital processing such as A/D conversion, and the entire receiving and processing process of the low- and mid-range RF signals is completed.
- a carrier aggregation apparatus includes: a first transceiver antenna, a second transceiver antenna, a first RF front end, a second RF front end, and a radio frequency transceiver chip;
- the signal received by the first transceiver antenna is divided into a high frequency signal, an intermediate frequency signal, and a low frequency signal through the first RF front end, and then enters the RF transceiver chip respectively;
- the signal received by the second transceiver antenna is divided into a high path through the second RF front end. After the frequency signal, one intermediate frequency signal, and one low frequency signal, they enter the RF transceiver chip respectively.
- a first embodiment of the present invention provides a carrier aggregation apparatus.
- the apparatus includes: a first transceiver antenna 21, a second transceiver antenna 22, a first RF front end 23, a second RF front end 24, and a radio frequency transceiver.
- the chip 25 wherein the signal received by the first transceiver antenna 21 is divided into a high frequency signal (the signal marked by H in the figure), an intermediate frequency signal (the signal marked by M in the figure), and a low frequency signal through the first RF front end 23 ( After the signal labeled by L in the figure, the signal is respectively input into the RF transceiver chip 25; the signal received by the second transceiver antenna 22 is divided into a high frequency signal (signal marked by H in the figure) and an intermediate frequency signal through the second RF front end 24 (Fig. After the signal marked by M) and one low-frequency signal (the signal marked by L in the figure), they enter the RF transceiver chip respectively.
- the first radio frequency front end 23 includes: a first duplexer, wherein the first transceiver antenna 21 is connected to the first duplexer; and the first duplexer is configured to be the first transceiver antenna 21
- the received signal is divided into a first path signal containing only low frequency signals, and a second path signal including intermediate frequency and high frequency signals;
- the second radio frequency front end 24 includes: a second duplexer, wherein the second transceiver antenna 22 is connected to the second duplexer; and the second duplexer is configured to be used from the second transceiver antenna 22
- the received signal is divided into a third signal containing only low frequency signals, and a third signal containing intermediate frequency and high frequency signals. Four signals.
- the first RF front end 23 further includes: a first energy splitter and a first antenna switch; the low frequency output end of the first duplexer is directly connected to the low frequency receiving end of the first antenna switch; the first duplex The mid-high frequency output of the device is connected to the first antenna switch through an energy splitter for outputting intermediate frequency and high frequency signals; wherein the energy splitter is configured to receive the second transmitted by the first duplexer The path signal is subjected to frequency division processing on the second path signal, and then the two channels after the frequency division process are sent to the first antenna switch.
- the second RF front end 24 further includes: a second energy splitter and a second antenna switch; the low frequency output end of the second duplexer is directly connected to the low frequency receiving end of the second antenna switch; the second duplexer The middle and high frequency output ends are connected to the second antenna switch through an energy divider; wherein the energy diversity device is configured to receive the fourth path signal sent by the second duplexer, and after dividing the fourth path signal, The two signals after the frequency division processing are sent to the second antenna switch.
- the first energy diversity device is configured to divide the received second path signal into a fifth path signal including only an intermediate frequency and a sixth path signal including only a high frequency; the second energy diversity device is configured to The received fourth signal is divided into a seventh signal containing only the intermediate frequency and an eighth signal containing only the high frequency.
- the high frequency output end of the first energy splitter is connected to the high frequency receiving end of the first antenna switch; the intermediate frequency output end of the first energy splitter is connected to the intermediate frequency receiving end of the first antenna switch;
- the high frequency output end of the second energy splitter is connected to the high frequency receiving end of the second antenna switch; the intermediate frequency output end of the second energy splitter is connected to the intermediate frequency receiving end of the second antenna switch.
- the first energy splitter is a power splitter or a low noise amplifier LNA
- the second capability splitter is a power splitter or a low noise amplifier LNA
- the first radio frequency front end further includes: a first filter, a second filter, and a third filter;
- the first path signal passes through the first antenna switch, passes through the first filter, and after filtering the clutter, Output to the RF transceiver chip;
- the fifth signal passes through the first antenna switch, passes through the second filter, filters out the clutter, and outputs the signal to the RF transceiver chip;
- the sixth antenna signal passes through the first antenna switch, passes through the third filter, filters out the clutter, and outputs the signal to the radio frequency transceiver chip;
- the second radio frequency front end further includes: a fourth filter, a fifth filter, and a sixth filter;
- the third antenna signal passes through the second antenna switch, passes through the fourth filter, filters out the clutter, and outputs the signal to the radio frequency transceiver chip;
- the seventh antenna signal passes through the second antenna switch, passes through the fifth filter, filters out the clutter, and outputs the signal to the radio frequency transceiver chip;
- the sixth filter passes through the sixth filter, filters out the clutter, and outputs the signal to the RF transceiver chip.
- the first filter, the second filter, the third filter, the fourth filter, the fifth filter, and the sixth filter may be integrated into one filter. It can also be placed on two, three, or even four, and five filters as needed.
- the carrier aggregation apparatus provided by the embodiment of the present invention is further described in detail below through two specific examples.
- FIG. 3 is a schematic structural diagram of a carrier aggregation apparatus according to an embodiment of the present invention.
- a signal enters a carrier aggregation apparatus through a transceiver antenna (Main ANT and DIV ANT), and then enters a radio frequency transceiver chip through a radio frequency front end ( Transceiver);
- RF front-end includes: Diplexer, antenna switch and filter; for example, the front-end RF antenna switch in Figure 3 uses SPNT transceiver array, the filter uses SAW filter, Main ANT and DIV ANT respectively Complete the main set and diversity reception of the high band (H Band), the middle band (M Band) and the low band (L Band); as shown in Figure 3, after the signal enters from the Main ANT, it is decomposed into one by the Diplexer 1 Low frequency signal and one intermediate frequency high frequency mixed signal, wherein the low frequency signal is directly connected to the low frequency signal receiving end (L end) of SPNT 2; the intermediate frequency high frequency mixed signal is decomposed into one
- the signal After the signal enters from the DIV ANT, it is decomposed into a low frequency signal and an intermediate frequency high frequency mixed signal through the Diplexer 2, wherein the low frequency signal is directly connected to the low frequency signal receiving end (L end) of the SPNT 4; the intermediate frequency high frequency
- the mixed signal passes through the Diplexer 3
- it is decomposed into one high frequency signal and one low frequency signal, and then connected to the high frequency receiving end (H end) and the low frequency receiving end (M end) of the SPNT 3, respectively, so that the signal passes through the Main ANT.
- the three signals are filtered by the filter and then enter the high frequency receiving end (Tx1) and the intermediate frequency receiving end (Tx2) of Transceiver 1. And the low frequency receiving port (Tx3) of the Transceiver 2.
- the Diplexer 3 and the Diplexer 4 must have the characteristics of single-input and two-output medium-and high-frequency signals.
- the purpose is to divide the medium-high frequency signal into two channels and enter the two receiving channels respectively to ensure that one channel is multiplexed in the middle and high frequency bands.
- the carrier aggregation function of the low, medium, and high frequency bands is implemented. Compared with the prior art, the solution provided by the embodiment of the present invention saves two antennas and two antenna switches.
- FIG. 4 is another exemplary structural diagram of a carrier aggregation apparatus according to an embodiment of the present invention.
- FIG. 4 is based on FIG. 3, and the Diplexer 3 and the Diplexer 4 are replaced by LNA 1 and LNA 2, and the remaining devices are changed.
- the same components are given the same reference numerals;
- the signal enters the carrier aggregation device through the transceiver antenna (Main ANT and DIV ANT), and then After the RF front end enters the RF transceiver chip (Transceiver); the RF front end includes: a splitter (Diplexer), an antenna switch and a filter; as shown in FIG.
- the signal after the signal enters from the Main ANT, it is decomposed into a low frequency signal by the Diplexer 1 and An intermediate frequency high frequency mixed signal, wherein the low frequency signal is directly connected to the low frequency signal receiving end (L end) of the SPNT 2; the intermediate frequency high frequency mixed signal is decomposed into one high frequency signal and one low frequency signal after passing through the LNA 1, and then respectively Connected to the high frequency receiving end (H end) and low frequency receiving end (M end) of SPNT 1, so that the signal passing through Main ANT is finally decomposed into three paths (one low frequency, one intermediate frequency and one high frequency), three signals After filtering, the filter is filtered out and then enters the high frequency receiving end (Tx1), the intermediate frequency receiving end (Tx2) and the low frequency receiving port (Tx3) of Transceiver 2 in Transceiver 1.
- the signal After the signal enters from the DIV ANT, it is decomposed into a low frequency signal and an intermediate frequency high frequency mixed signal through the Diplexer 2, wherein the low frequency signal is directly connected to the low frequency signal receiving end (L end) of the SPNT 4; the intermediate frequency high frequency
- the mixed signal passes through the LNA 2, it is decomposed into one high frequency signal and one low frequency signal, and then connected to the high frequency receiving end (H end) and the low frequency receiving end (M end) of the SPNT 3, respectively, so that the signal passes through the Main ANT.
- the signal is decomposed into three ways (one low frequency, one intermediate frequency and one high frequency).
- the three signals are filtered by the filter and then enter the high frequency receiving end (Tx1) and the intermediate frequency receiving end (Tx2) of Transceiver 1. And the low frequency receiving port (Tx3) of the Transceiver 2.
- the LNA 1 and the LNA 2 must be LNAs with dual output characteristics, and the purpose is to divide the medium and high frequency signals into two channels respectively into two receiving channels, to ensure that one channel is multiplexed in the middle and high frequency bands to achieve low, Carrier aggregation function for medium and high frequency bands.
- this solution provided by the embodiment of the present invention also saves two antennas and two antenna switches.
- the number of SPNTs in the actual application process is not limited, and may be one or more, as long as two The low frequency signal receiving end, the two intermediate frequency signal receiving ends and the two high frequency signal receiving ends can be used; similarly, the number of the radio frequency transceiver chip is also not limited, as long as the corresponding number and the corresponding function receiving port are available.
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Abstract
Description
Claims (7)
- 一种载波聚合装置,所述装置包括:第一收发天线、第二收发天线、第一射频前端、第二射频前端和射频收发芯片;其中,第一收发天线接收到的信号通过第一射频前端分成一路高频信号、一路中频信号、一路低频信号后,分别进入射频收发芯片;第二收发天线接收到的信号通过第二射频前端分成一路高频信号、一路中频信号、一路低频信号后,分别进入射频收发芯片。
- 根据权利要求1所述的装置,其中,所述第一射频前端,包括:第一双工器,所述第一收发天线与第一双工器相连;所述第一双工器,配置为将从第一收发天线接收到的信号分为包含低频信号的第一路信号、以及包含中频和高频信号的第二路信号;所述第二射频前端,包括:第二双工器,所述第二收发天线与第二双工器相连;所述第二双工器,配置为将从第二收发天线接收到的信号分为包含低频信号的第三路信号、以及包含中频和高频信号的第四路信号。
- 根据权利要求2所述的装置,其中,所述第一射频前端还包括:第一能量分集器和第一天线开关;所述第一双工器的低频输出端与第一天线开关的低频接收端相连;第一双工器的中高频输出端通过所述第一能量分集器与第一天线开关相连;所述第一能量分集器配置为,接收第一双工器发送的第二路信号,对所述第二路信号进行分频处理后,将分频处理后的两路信号发送给第一天线开关;所述第二射频前端还包括:第二能量分集器和第二天线开关;所述第二双工器的低频输出端与第二天线开关的低频接收端相连;第二双工 器的中高频输出端通过所述第二能量分集器与第二天线开关相连;所述第二能量分集器配置为,接收第二双工器发送的第四路信号,对所述第四路信号进行分频处理后,将分频处理后的两路信号发送给第二天线开关。
- 根据权利要求3所述的装置,其中,所述第一能量分集器,配置为将接收到的第二路信号分成包含中频的第五路信号和包含高频的第六路信号;所述第二能量分集器,配置为将接收到的第四路信号分成包含中频的第七路信号和包含高频的第八路信号。
- 根据权利要求3所述的装置,其中,所述第一能量分集器的高频输出端与第一天线开关的高频接收端相连;所述第一能量分集器的中频输出端与第一天线开关的中频接收端相连;所述第二能量分集器的高频输出端与第二天线开关的高频接收端相连;所述第二能量分集器的中频输出端与第二天线开关的中频接收端相连。
- 根据权利要求4所述的装置,其中,所述第一能量分集器为功分器或低噪声放大器LNA;所述第二能力分集器为功分器或低噪声放大器LNA。
- 根据权利有要求4所述的装置,其中,所述第一射频前端还包括:第一滤波器、第二滤波器和第三滤波器;所述第一路信号经过第一天线开关后,经过第一滤波器,滤除杂波后,输出至射频收发芯片;所述第五路信号经过第一天线开关后,经过第二滤波器,滤除杂波后,输出至射频收发芯片;所述第六路信号经过第一天线开关后,经过第三滤波器,滤除杂波后,输出至射频收发芯片;所述第二射频前端还包括:第四滤波器、第五滤波器和第六滤波器;所述第三路信号经过第二天线开关后,经过第四滤波器,滤除杂波后,输出至射频收发芯片;所述第七路信号经过第二天线开关后,经过第五滤波器,滤除杂波后,输出至射频收发芯片;所述第八路信号经过第二天线开关后,经过第六滤波器,滤除杂波后,输出至射频收发芯片。
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JP2017508684A JP6393406B2 (ja) | 2014-08-15 | 2014-12-08 | キャリアアグリゲーション装置 |
US15/504,113 US20170279566A1 (en) | 2014-08-15 | 2014-12-08 | Carrier aggregation device |
EP14899819.8A EP3182631B1 (en) | 2014-08-15 | 2014-12-08 | Carrier aggregation device |
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CN201410404889.XA CN105471557B (zh) | 2014-08-15 | 2014-08-15 | 一种载波聚合装置 |
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Cited By (2)
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TWI617150B (zh) * | 2016-02-19 | 2018-03-01 | 惠普發展公司有限責任合夥企業 | 分離式天線 |
CN111600616A (zh) * | 2020-07-10 | 2020-08-28 | 锐石创芯(深圳)科技有限公司 | 一种射频前端架构、天线装置及通信终端 |
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EP3182631A1 (en) | 2017-06-21 |
EP3182631B1 (en) | 2018-11-14 |
JP6393406B2 (ja) | 2018-09-19 |
CN105471557B (zh) | 2019-06-28 |
CN105471557A (zh) | 2016-04-06 |
US20170279566A1 (en) | 2017-09-28 |
EP3182631A4 (en) | 2017-08-23 |
JP2017529767A (ja) | 2017-10-05 |
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