CN113727449A - Carrier aggregation terminal equipment and system for mobile communication - Google Patents
Carrier aggregation terminal equipment and system for mobile communication Download PDFInfo
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- CN113727449A CN113727449A CN202110911084.4A CN202110911084A CN113727449A CN 113727449 A CN113727449 A CN 113727449A CN 202110911084 A CN202110911084 A CN 202110911084A CN 113727449 A CN113727449 A CN 113727449A
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- 238000004220 aggregation Methods 0.000 title claims abstract description 58
- 238000010295 mobile communication Methods 0.000 title claims abstract description 38
- 238000012545 processing Methods 0.000 claims abstract description 54
- 238000001228 spectrum Methods 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 239000000969 carrier Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
Abstract
The application discloses mobile communication's carrier aggregation terminal equipment and system, include main processing unit, follow processing unit, speech signal conversion unit, signal coding and decoding unit, channel coding and decoding unit, wireless MODEM time sequence control unit, first receiving unit, second receiving unit and transmitting element, main processing unit electric connection is from processing unit, follow processing unit electric connection speech signal conversion unit, signal coding and decoding unit, channel coding and decoding unit, wireless MODEM time sequence control unit, first receiving unit, second receiving unit and transmitting element. The method and the device ensure backward compatibility of 4G narrow-band signals, improve the peak rate of the intelligent terminal in multiples, improve the system throughput, improve the network KPI index, reduce the interference of a control channel, integrate scattered frequency spectrum and improve the comprehensive efficiency. The carrier aggregation technology can integrate and use the discontinuous frequency spectrums, and brings similar frequency spectrum use effect to the continuous frequency spectrums.
Description
Technical Field
The present application relates to the field of mobile communications technologies, and in particular, to a carrier aggregation terminal device and a carrier aggregation system for mobile communications.
Background
Carrier aggregation is a key technology in LTE-a, and in order to meet the requirements of single-user peak rate and system capacity increase, the most direct method is to increase the system transmission bandwidth. Therefore, the LTE-Advanced system introduces a technology for increasing transmission bandwidth, that is, CA (carrier aggregation), in which a CA function can support contiguous or non-contiguous carrier aggregation, and a maximum available resource per carrier is 110 RBs. Each user uses an independent HARQ entity on each carrier, each transport block can be mapped to only one specific carrier, PDCCH channels on each carrier are independent, the design of R8 version can be reused, and resources are allocated to PDSCH and PUSCH channels of each carrier by using PDCCH of each carrier. The CIF domain may also be used to schedule uplink and downlink resource allocation of multiple carriers by using a PDCCH channel on one carrier, and a plurality of discrete or continuous narrow bandwidth carrier bands for transmitting a narrow band signal may be extended to wide bandwidth carrier bands for transmitting a wide band signal by means of carrier aggregation.
The existing 4G + and 5G continuous broadband spectrum resources are seriously lack of problems, the peak rate of the intelligent terminal is reduced, the system throughput is reduced, the network KPI index is reduced, the control channel interference is improved, the scattered spectrum cannot be well integrated, and the comprehensive efficiency is reduced. Therefore, a carrier aggregation terminal device and a system for mobile communication are proposed to solve the above problems.
Disclosure of Invention
The embodiment provides a carrier aggregation terminal device and a carrier aggregation system for mobile communication, which are used for solving the problem of serious shortage of existing 4G + and 5G continuous broadband wide spectrum resources, reducing the peak rate of an intelligent terminal, reducing the system throughput, reducing network KPI (key performance indicator), improving control channel interference, not integrating scattered spectrum well, and reducing the comprehensive efficiency.
According to an aspect of the present application, a carrier aggregation terminal device for mobile communication is provided, including a master processing unit, a slave processing unit, a voice signal conversion unit, a signal coding and decoding unit, a channel coding and decoding unit, a wireless MODEM timing control unit, a first receiving unit, a second receiving unit, and a transmitting unit, wherein the master processing unit is electrically connected to the slave processing unit, and the slave processing unit is electrically connected to the voice signal conversion unit, the signal coding and decoding unit, the channel coding and decoding unit, the wireless MODEM timing control unit, the first receiving unit, the second receiving unit, and the transmitting unit.
Further, the main processing unit runs an Android operating system and is responsible for controlling the whole system.
Furthermore, the slave processing unit is a digital baseband chip of the wireless MODEM part and mainly completes the a/D conversion, the D/a conversion, the coding and decoding of the digital voice signal, the channel coding and decoding of the voice signal and the time sequence control of the wireless MODEM part.
Further, the voice signal conversion unit is used for A/D conversion and D/A conversion of the voice signal.
Further, the signal encoding and decoding unit is used for encoding and decoding the digital voice signal.
Further, the first receiving unit is configured to receive a first request message sent by a base station, where the first request message is used to query the uplink carrier aggregation capability of the terminal device.
Further, the sending unit is configured to send a first response message of the slave processing unit uplink carrier aggregation capability to the master processing unit, so that the master processing unit configures the slave processing unit carrier aggregation based on the uplink carrier aggregation capability of the slave processing unit, so that the number of uplink carriers in the carrier aggregation is greater than or equal to the number of downlink carriers.
Further, the second receiving unit is configured to receive configuration information of carrier aggregation fed back by the base station.
Further, the sending unit is configured to report the carrier aggregation capability and the measurement report to the base station eNB.
Further, a carrier aggregation system for mobile communication includes at least one master processing unit and a slave processing unit, where the master processing unit expands a plurality of discrete or continuous narrow bandwidth carrier bands for transmitting narrowband signals into wide bandwidth carrier bands for transmitting wideband signals by means of carrier aggregation, and the slave processing unit improves network KPI indicators, reduces control channel interference, integrates scattered frequency spectrums, and integrates and uses these discontinuous frequency spectrums.
Through the above-mentioned embodiment of the application, adopted total processing module, receive the import module, type module, handle the package analysis module, handle the package and save the module, edit view generation module, the material editing module, edit scene save the module, the scene import module, temporary storage module and edit instruction module, ensure 4G narrowband signal's backward compatibility, intelligent terminal peak rate has been promoted at double, the system throughput has been promoted, network KPI index has been improved, control channel interference has been reduced, scattered frequency spectrum has been integrated, comprehensive efficiency has been improved. The carrier aggregation technology can integrate and use the discontinuous frequency spectrums, and brings similar frequency spectrum use effect to the continuous frequency spectrums.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic diagram of a terminal device according to an embodiment of the present application;
fig. 2 is a system connection diagram according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
For example, the following carrier aggregation terminal device and system are provided in this embodiment, and the carrier aggregation terminal device and system in this embodiment may be used for mobile communication.
A mobile communication terminal includes a mobile communication terminal body,
a circuit module disposed in the mobile communication terminal body, and a control switch disposed on the surface of the mobile communication terminal,
the control switch is connected with the circuit module, and under the condition that a network coverage signal is poor, the control switch controls the circuit module to select actual maximum available power for communication. Preferably, the control switch may be a toggle switch.
The actual maximum available power may be the maximum available power that the mobile communication terminal can transmit, and of course, the actual maximum available power may also be the sum of a preset offset value and a preset calibration power that meets the design criteria.
Further, in the mobile communication terminal, the circuit module includes:
a baseband chip, a radio frequency transceiver connected with the baseband chip, a power amplifier unit connected with the radio frequency transceiver, a FLASH memory unit connected with the baseband chip,
the baseband chip is used for reading calibration parameters from a position corresponding to the FLASH storage unit according to the power level to be transmitted under the condition that the network coverage signal is better, so as to control the radio frequency transceiver and the power amplification unit to communicate according to the preset target power;
and on the other hand, the power amplifier unit is controlled by the control switch to select the actual maximum available power for communication under the condition that the network coverage signal is not good.
The mobile communication terminal of the present invention will be described in further detail below.
The mobile communication terminals, whether 2G or 3G, are required to be power controllable, that is, to be capable of outputting different power values. For example, Class4 GSM terminals operating in the EGSM (extended global system for mobile enhanced global system for mobile) band are required to implement Class 5-19 total 15 levels of power control. Wherein, the power level 5 is the highest power level, and 3Gpp (3G communication protocol) requires that the power output by the level is controlled within the range of 33 +/-2 dBm under the common use environment of the mobile communication terminal.
In the design process of the mobile communication terminal, the designer determines a target value of the highest power level, which is called a maximum calibration power (Pcal). Such as the GSM (global system for mobile communications) terminal, a designer may set the maximum calibration power (Pcal) to 32.5 dBm. The value is determined by combining various factors, such as indexes of conduction performance, radiation performance, power consumption, human body absorption rate (SAR) and the like. But actually, the actual maximum available power (Pmax) of the mobile communication terminal is greater than the maximum calibration power (Pcal). This is because if Pcal is set to Pmax in a normal use situation (i.e., when the network coverage signal belongs to a normal range), the indicators such as power consumption and SAR become poor, which is not favorable for the user.
In some specific situations, such as an emergency call is required in an area with a poor network coverage signal (i.e. the network coverage signal does not fall within a normal range), it is most necessary to ensure that communication is performed instead of other indicators such as power consumption. Therefore, in these cases, it is desirable that the communication terminal be able to communicate using its actual maximum available power Pmax.
The transmitting power of the mobile communication terminal is controlled by a terminal baseband chip, and the control parameters are stored in a flash memory unit of the terminal. A typical radio frequency architecture of a communication terminal is shown in fig. 1. When the terminal transmits each time, the BB (Baseband Baseband) chip reads the calibration parameters from the corresponding position of the flash memory unit according to the power level required to transmit, so as to control the radio frequency Transceiver (Transceiver) and the Power Amplifier (PA) unit to transmit according to the preset target power.
In order to enable each mobile communication terminal to transmit according to the preset power when the network coverage signal belongs to the normal range, calibration is needed before factory shipment, calibration parameters of each terminal at each power level are determined, and the parameters are written into a flash memory unit.
Of course, the embodiment can also be used in other mobile communication terminals. Here, details are not repeated, and a carrier aggregation terminal device and a carrier aggregation system for mobile communication according to an embodiment of the present application are introduced below.
Referring to fig. 1-2, a carrier aggregation terminal device for mobile communication includes a main processing unit, a slave processing unit, a voice signal conversion unit, a signal encoding/decoding unit, a channel encoding/decoding unit, a wireless MODEM timing control unit, a first receiving unit, a second receiving unit, and a transmitting unit, where the main processing unit is electrically connected to the slave processing unit, and the slave processing unit is electrically connected to the voice signal conversion unit, the signal encoding/decoding unit, the channel encoding/decoding unit, the wireless MODEM timing control unit, the first receiving unit, the second receiving unit, and the transmitting unit.
The backward compatibility of 4G narrow-band signals is ensured, the peak rate of the intelligent terminal is improved in multiples, the system throughput is improved, the network KPI index is improved, the control channel interference is reduced, the scattered frequency spectrum is integrated, and the comprehensive efficiency is improved. The carrier aggregation technology can integrate and use the discontinuous frequency spectrums, and brings similar frequency spectrum use effect to the continuous frequency spectrums.
The main processing unit runs an Android operating system and is responsible for controlling the whole system; the slave processing unit is a digital baseband chip of the wireless MODEM part and mainly completes the A/D conversion, the D/A conversion, the coding and decoding of digital voice signals, the channel coding and decoding of voice signals and the time sequence control of the wireless MODEM part; the voice signal conversion unit is used for A/D conversion and D/A conversion of voice signals; the signal coding and decoding unit is used for coding and decoding the digital voice signal; the first receiving unit is configured to receive a first request message sent by a base station, where the first request message is used to query an uplink carrier aggregation capability of the terminal device; the sending unit is configured to send a first response message of the slave processing unit uplink carrier aggregation capability to the master processing unit, so that the master processing unit configures the slave processing unit carrier aggregation based on the uplink carrier aggregation capability of the slave processing unit, so that the number of uplink carriers in the carrier aggregation is greater than or equal to the number of downlink carriers; the second receiving unit is configured to receive configuration information of carrier aggregation fed back by the base station; the sending unit is used for reporting the carrier aggregation capability and the measurement report to a base station eNB.
A carrier aggregation system for mobile communication comprises at least one main processing unit and a slave processing unit, wherein the main processing unit expands a plurality of discrete or continuous narrow-bandwidth carrier frequency bands for transmitting narrow-band signals into wide-bandwidth carrier frequency bands for transmitting wide-bandwidth signals in a carrier aggregation mode, and the slave processing unit improves network KPI indexes, reduces control channel interference, integrates scattered frequency spectrums and integrates and uses the discontinuous frequency spectrums.
The application has the advantages that: the backward compatibility of 4G narrow-band signals is ensured, the peak rate of the intelligent terminal is improved in multiples, the system throughput is improved, the network KPI index is improved, the control channel interference is reduced, the scattered frequency spectrum is integrated, and the comprehensive efficiency is improved. The carrier aggregation technology can integrate and use the discontinuous frequency spectrums, and brings similar frequency spectrum use effect to the continuous frequency spectrums.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A carrier aggregation terminal device for mobile communication, characterized in that: including main processing unit, from processing unit, speech signal conversion unit, signal coding and decoding unit, channel coding and decoding unit, wireless MODEM time sequence control unit, first receiving element, second receiving element and sending unit, main processing unit electric connection is from processing unit, from processing unit electric connection speech signal conversion unit, signal coding and decoding unit, channel coding and decoding unit, wireless MODEM time sequence control unit, first receiving element, second receiving element and sending unit.
2. The carrier aggregation terminal device for mobile communication according to claim 1, wherein: and the main processing unit runs an Android operating system and is responsible for controlling the whole system.
3. The carrier aggregation terminal device for mobile communication according to claim 1, wherein: the slave processing unit is a digital baseband chip of the wireless MODEM part and mainly completes the A/D conversion, the D/A conversion, the coding and decoding of digital voice signals, the channel coding and decoding of voice signals and the time sequence control of the wireless MODEM part.
4. A carrier aggregation terminal device for mobile communication according to claim 3, wherein: the voice signal conversion unit is used for A/D conversion and D/A conversion of the voice signal.
5. The carrier aggregation terminal device for mobile communication according to claim 1, wherein: the signal coding and decoding unit is used for coding and decoding the digital voice signal.
6. The carrier aggregation terminal device for mobile communication according to claim 1, wherein: the first receiving unit is configured to receive a first request message sent by a base station, where the first request message is used to query the uplink carrier aggregation capability of the terminal device.
7. The carrier aggregation terminal device for mobile communication according to claim 1, wherein: the sending unit is configured to send a first response message of the slave processing unit uplink carrier aggregation capability to the master processing unit, so that the master processing unit configures the slave processing unit carrier aggregation based on the uplink carrier aggregation capability of the slave processing unit, so that the number of uplink carriers in the carrier aggregation is greater than or equal to the number of downlink carriers.
8. The carrier aggregation terminal device for mobile communication according to claim 1, wherein: the second receiving unit is configured to receive the configuration information of the carrier aggregation fed back by the base station.
9. The carrier aggregation terminal device for mobile communication according to claim 1, wherein: the sending unit is used for reporting the carrier aggregation capability and the measurement report to a base station eNB.
10. The carrier aggregation terminal device for mobile communication according to claim 1, wherein: the system comprises at least one main processing unit and a slave processing unit, wherein the main processing unit expands a plurality of discrete or continuous narrow-bandwidth carrier frequency bands for transmitting narrow-band signals into wide-bandwidth carrier frequency bands for transmitting wide-band signals in a carrier aggregation mode, the slave processing unit improves network KPI indexes, reduces control channel interference, integrates scattered frequency spectrums, and integrates and uses the discontinuous frequency spectrums.
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| CN202110911084.4A CN113727449A (en) | 2021-08-10 | 2021-08-10 | Carrier aggregation terminal equipment and system for mobile communication |
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