WO2022225083A1 - 안테나를 구비하는 전자 기기 - Google Patents
안테나를 구비하는 전자 기기 Download PDFInfo
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- WO2022225083A1 WO2022225083A1 PCT/KR2021/005092 KR2021005092W WO2022225083A1 WO 2022225083 A1 WO2022225083 A1 WO 2022225083A1 KR 2021005092 W KR2021005092 W KR 2021005092W WO 2022225083 A1 WO2022225083 A1 WO 2022225083A1
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- antenna
- metal part
- state
- mobile terminal
- band
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0604—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching with predefined switching scheme
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0822—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection according to predefined selection scheme
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/0243—Printed circuits associated with mounted high frequency components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
- H04M1/0237—Sliding mechanism with one degree of freedom
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10098—Components for radio transmission, e.g. radio frequency identification [RFID] tag, printed or non-printed antennas
Definitions
- the present invention relates to an electronic device having an antenna.
- a particular implementation relates to an electronic device having antennas in a resizable electronic device.
- Electronic devices may be divided into mobile/portable terminals and stationary terminals according to whether they can be moved. Again, the electronic device can be divided into a handheld terminal and a vehicle mounted terminal depending on whether the user can directly carry the electronic device.
- the functions of electronic devices are diversifying. For example, there are functions for data and voice communication, photography and video recording through a camera, voice recording, music file playback through a speaker system, and outputting an image or video to the display unit.
- Some terminals add an electronic game play function or perform a multimedia player function.
- recent mobile terminals can receive multicast signals that provide visual content such as video or television programs.
- electronic devices have diversified functions, they are implemented in the form of multimedia devices equipped with complex functions, such as, for example, taking pictures or moving pictures, playing music or video files, and playing games.
- a wireless communication system using LTE communication technology has recently been commercialized for electronic devices to provide various services.
- a wireless communication system using 5G communication technology will be commercialized in the future to provide various services.
- some of the LTE frequency bands may be allocated to provide 5G communication services.
- the electronic device may be configured to provide 5G communication services in various frequency bands. Recently, attempts have been made to provide a 5G communication service using the Sub6 band below the 6GHz band. However, in the future, it is expected that 5G communication service will be provided using millimeter wave (mmWave) band in addition to Sub6 band for faster data rate.
- mmWave millimeter wave
- a rollable device may be considered.
- a metal rim frame of an electronic device having various form factors may be formed in an integral structure or a variable structure.
- a rollable device having an integrated frame structure has a problem in that it is difficult to implement a rollable display.
- the rollable display may be configured such that the display area is reduced or expanded by the variable mechanism structure.
- the metal frame of a roll double device having a variable mechanism structure is used as an antenna, there is a problem in that it is not easy to secure antenna performance due to the metal frame separated from each other.
- the antenna disposed in the variable part of the rollable device has a problem in that the antenna performance is changed as the size of the device is changed.
- the present invention aims to solve the above and other problems. Another object of the present invention is to arrange an antenna in an edge region of an electronic device even when a form factor is changed.
- Another object of the present invention is to arrange an antenna in an edge area of a rollable device in which a display is rollable to one side.
- Another object of the present invention is to arrange an antenna in an edge area in a vertical rollable device.
- Another object of the present invention is to secure antenna performance over a certain level while overcoming an antenna design space.
- Another object of the present invention is to provide an antenna structure in which changes in antenna characteristics are insensitive to changes in the size of a mobile terminal.
- Another object of the present invention is to provide a ground connection structure in which an antenna characteristic change is not sensitive to a change in the size of a mobile terminal.
- a mobile terminal having an antenna includes a slide metal part and a front metal part, and a contact member configured to contact the slide metal part and the front metal part is provided on a side surface of the front metal part do.
- the contact member In the first state in which the display area of the mobile terminal is contracted, the contact member is in contact with the slide metal part and the front metal part at a first position that is the lower end of the slot area by the contact member, thereby causing parasitic resonance due to the slot area.
- the slide metal part and the front metal part are contacted by the contact member at the second position, which is the upper end of the slot area, to eliminate parasitic resonance caused by the slot area.
- the slide metal part has a left lateral side surface, a right lateral side surface, and a bottom side surface defining an appearance of the mobile terminal
- the The front metal part may have an upper side surface and a front part defining an appearance of the mobile terminal, and may be configured to be coupled to the slide metal part.
- an antenna may be formed on the left side and the right side of the slide metal part, and a slot area may be formed in a region overlapping the front metal part on the side of the slide metal part.
- the parasitic resonance between the antenna and the slot area due to the current generated along both sides of the slot area is removed by generating the path of the current along one side by the contact member at the first position. and the contact member may be in ground contact with the side surface of the slide metal part at the first position that is the lower end of the slot area.
- the length of the current path generated along both sides is formed as a half wavelength of the specific operating band of the antenna, and in the specific operating band of the antenna by the current generated along the both sides. It can form a parasitic resonance.
- a current path length generated along the one side by the contact member in the first position that is the lower end of the slot area is formed along the one side by a quarter wavelength of the specific operating band Parasitic resonance in a specific operating band of the antenna may be removed by the current.
- the parasitic resonance between the antenna and the slot area due to the current generated along both sides of the slot area is removed by generating the path of the current along one side by the contact member at the second position. and the contact member may be in ground contact with the side surface of the slide metal at the second position, which is an upper end of the slot area.
- the length of the current path generated along both sides is formed as a half wavelength of the specific operating band of the antenna, and in the specific operating band of the antenna by the current generated along the both sides. It can form a parasitic resonance.
- a current path length generated along the one side by the contact member in the second position, which is an upper end of the slot area, is formed along the one side by a quarter wavelength of the specific operating band. Parasitic resonance in a specific operating band of the antenna may be removed by the current.
- the length of the second slot area provided on the front part of the slide metal part is a quarter wavelength of the specific operating band of the antenna. wavelength) can be formed.
- the length of the antenna is formed to be longer than the length of the second slot area, and the length of the second slot area is determined by the length from one end of the second slot area to one end of the slit formed in the slide metal part.
- the slide metal part and the front metal part are contacted by the contact member at a first position that is the lower end of the slot area. Parasitic resonance caused by the slot area can be eliminated.
- the slide metal part and the front metal part are contacted by the contact member at the second position, which is the upper end of the slot area, so that parasitism caused by the slot area Resonance can be eliminated.
- the mobile terminal further includes a display including a first area exposed to the front when the mobile terminal is in a contracted state and a second area that is an extended area exposed to the front when the mobile terminal is in an expanded state can do.
- a first state in which the first area of the display is exposed the slide metal part and the front metal part are contacted by the contact member at a first position that is the lower end of the slot area to eliminate parasitic resonance caused by the slot area. can do.
- the slide metal part and the front metal part are in contact with the slot area by the contact member at a second position that is the upper end of the slot area. It is possible to eliminate parasitic resonance caused by
- the slide metal part includes: a first metal housing having left and right sides defining an appearance of the mobile terminal; and a second metal housing having a left side, a right side, and a lower side defining the exterior, wherein the antenna may be disposed on the left side and the right side of the first metal housing.
- the first conductive member and the second conductive member of the second metal housing may include a first sub member disposed on a lower side, a second sub member disposed on a left side or a right side, and the first sub member, respectively. and a corner region formed between the second sub member and the second sub member.
- the left and right sides of the first metal housing and the second sub member of the second metal housing are overlapped, and the overlapping first metal housing is not exposed to the exterior and the second sub member is exposed to the exterior can be configured.
- the first conductive member and the overlapping first metal housing operate as a first antenna
- the second conductive member and the overlapping second metal housing operate as a second antenna
- the first A third conductive member may be disposed between the conductive member and the second conductive member.
- the antennas corresponding to the fourth conductive member and the fifth conductive member disposed on the left side and the right side of the first metal housing may operate as a third antenna and a fourth antenna, respectively.
- the lower antenna including the first antenna to the fourth antenna may be disposed on a side surface of the slide metal part.
- fifth to seventh conductive members disposed on the upper side of the front metal part and separated by a slit may operate as fifth to seventh antennas.
- Each of the fifth antenna and the seventh antenna includes a first sub-member disposed on an upper side, a second sub-member disposed on a left side or a right side, and a corner region formed between the first sub-member and the second sub member, respectively. can be provided.
- the upper antenna including the fifth antenna to the seventh antenna may be disposed on an upper side of the front metal part.
- the fifth antenna is electrically connected to the upper PCB accommodated in the front metal part through a feeding unit at a first point of the first sub-member, and through an inductor at the upper PCB and a second point. It is electrically connected to the ground and electrically connected to the upper PCB at a point on the right side of the fifth antenna through a switch, so that the operating band of the fifth antenna can be adjusted.
- the sixth antenna may be electrically connected to an upper PCB accommodated in the front metal part and a power supply part and a ground part at both ends of the sixth conductive member.
- the seventh antenna is electrically connected to the upper PCB accommodated in the front metal part through a feeding part at one point of the first sub member, and is electrically connected to the ground part at a second point of the corner area. can be connected to
- the upper antenna may further include an eighth antenna disposed on a left side of the front metal part adjacent to the seventh antenna.
- the eighth antenna may be electrically connected to the upper PCB at one point of the second sub-member through a feeding unit, and may be electrically connected to the ground unit at a second point in the corner region.
- the seventh antenna and the eighth antenna may have a common ground structure electrically connected to a ground at a second point in the same corner area.
- the mobile terminal includes a first PCB having a wireless communication unit; a second PCB electrically connected to the first PCB and accommodated inside one side of the slide metal part; a third PCB electrically connected to the second PCB and accommodated in the other side of the slide metal part; and a processor operatively coupled to the wireless communication unit.
- the processor determines whether the slide metal part is electrically coupled to the front metal part through the contact member in a third state other than the first state or the second state, and is coupled to the third state If it is determined, the wireless communication unit may be controlled to measure the quality of the signal received through the antenna. In the third state, the slide metal part may be coupled to the front metal part at any point between the upper end and the lower end of the slot area.
- the processor controls the wireless communication unit to receive a signal using the upper antenna disposed on the upper side of the front metal part instead of the antenna.
- the processor controls the wireless communication unit to operate one of a fifth antenna and a sixth antenna disposed on the front metal part in the third state, and to the fifth antenna and the sixth antenna.
- the wireless communication unit can be controlled so that one of the third and fourth antennas formed on the left and right sides of the slide metal part operates after being switched to the second state. have.
- the processor may control the wireless communication unit to operate one of the first antenna and the second antenna disposed under the slide metal unit in the first state.
- an antenna design space constraint can be overcome in an electronic device whose form factor is changed.
- a wireless platform design structure including an antenna arrangement in a vertical rollable device.
- an antenna structure in which an antenna characteristic change is insensitive to a change in the size of a mobile terminal.
- FIG. 1A illustrates a configuration for explaining an electronic device and an interface between the electronic device and an external device or a server according to an embodiment.
- FIG. 1B shows a detailed configuration in which an electronic device interfaces with an external device or a server according to an exemplary embodiment.
- FIG. 1C illustrates a configuration in which an electronic device interfaces with a plurality of base stations or network entities according to an embodiment.
- FIG. 2A shows a detailed configuration of the electronic device of FIG. 1A .
- 2B illustrates a configuration of a wireless communication unit of an electronic device operable in a plurality of wireless communication systems according to an embodiment.
- FIG. 2C illustrates a MIMO configuration and a MIMO + carrier aggregation (CA) configuration between a UE and a base station (BS) according to an embodiment.
- CA carrier aggregation
- 3A and 3B are diagrams illustrating a mobile terminal 100 that can be changed in size.
- FIG. 4A is a side cross-sectional view according to an embodiment of the present invention, illustrating a cross-section A-A and a cross-section B-B of FIG. 3B.
- Fig. 4B is a rear view showing the inner part in a second state of the embodiment of Fig. 4A;
- FIG. 4C is another embodiment of cross-sectional views taken along lines A-A and B-B of FIG. 3A
- FIG. 4D is an exploded perspective view of the embodiment of FIG. 4C .
- FIG. 5A shows an example of a frame structure in NR. Meanwhile, FIG. 5B shows a change in the slot length according to a change in the subcarrier spacing in NR.
- FIG. 6A is a configuration diagram in which a plurality of antennas and transceiver circuits are combined to be operable with a processor according to an embodiment.
- FIG. 6B is a configuration diagram in which antennas and transceiver circuits are additionally operable with a processor in the configuration diagram of FIG. 6A .
- FIG. 7A and 7B are views illustrating internal parts of the mobile terminal 100 in a first state and a second state.
- 8A illustrates a structure in which a plurality of antennas are disposed on a metal edge of an electronic device.
- FIG 8B shows a configuration in which the side PCBs disclosed in this specification are connected to the main PCB through the FPCB and the auxiliary PCB.
- FIG. 9A shows a front view, a rear view, and a side view of the front metal part. Meanwhile, FIG. 9B shows a front view, a rear view, and a side view of the slide metal part.
- 10A is a conceptual diagram illustrating a metal frame coupling structure and a ground condition according thereto when the first and second frames are coupled in a first state, which is a closed state.
- 10B is a conceptual diagram illustrating a metal frame coupling structure and a ground condition corresponding thereto when the first and second frames are coupled in an open second state.
- 11A and 11B are diagrams illustrating a principle of generating parasitic resonance due to a slot gap according to relative movement between first and second frames, and a conceptual diagram of an antenna operation according to a configuration for preventing the same.
- FIG. 12a shows a perspective view in which the front metal part and the slide metal part are combined according to the close/open state.
- FIG. 12B shows a side view of the structure in which the front metal part and the slide metal part are spaced apart by a slot gap in close/open.
- 12C is an enlarged view of a contact member formed on a front metal part.
- FIG. 14 is a view showing the coupling configuration of the first frame and the second frame and the position of the contact unit according to the open/close state.
- 15A and 15B show an upper antenna arrangement configuration according to an exemplary embodiment.
- FIG. 16 is a conceptual diagram illustrating an arrangement structure of a power supply unit, a ground unit, and a switch according to the arrangement of the upper antenna of FIGS. 15A and 15B .
- 17A shows the reflection coefficient and efficiency characteristics of an adjacent top antenna operable in 4G/5G bands.
- 17B shows the reflection coefficient and efficiency characteristics of an adjacent upper antenna operable in a WiFi band.
- FIG. 18 illustrates a state in which the first and second frames are combined in a third state in which the display area is partially expanded.
- FIG. 19 illustrates a block diagram of a wireless communication system to which the methods proposed in the present specification can be applied.
- Electronic devices described herein include mobile phones, smart phones, laptop computers, personal digital assistants (PDAs), portable multimedia players (PMPs), navigation, slate PCs, tablet PCs ( tablet PC), an ultrabook, a wearable device, for example, a watch-type terminal (smartwatch), a glass-type terminal (smart glass), a head mounted display (HMD), and the like.
- PDAs personal digital assistants
- PMPs portable multimedia players
- slate PCs slate PCs
- tablet PCs tablet PC
- ultrabook a wearable device, for example, a watch-type terminal (smartwatch), a glass-type terminal (smart glass), a head mounted display (HMD), and the like.
- FIG. 1A shows a configuration for explaining an electronic device and an interface between the electronic device and an external device or a server according to an exemplary embodiment.
- FIG. 1B shows a detailed configuration in which an electronic device interfaces with an external device or a server according to an exemplary embodiment.
- FIG. 1C illustrates a configuration in which an electronic device interfaces with a plurality of base stations or network entities according to an embodiment.
- FIG. 2A shows a detailed configuration of the electronic device of FIG. 1A .
- FIGS. 2B and 2C are conceptual views of an example of an electronic device related to the present invention viewed from different directions.
- the electronic device 100 is configured to include a communication interface 110 , an input interface (or an input device) 120 , an output interface (or an output device) 150 , and a processor 180 .
- the communication interface 110 may refer to the wireless communication module 110 .
- the electronic device 100 may be configured to further include a display 151 and a memory 170 .
- the components shown in FIG. 1A are not essential for implementing the electronic device, and thus the electronic device described herein may have more or fewer components than those listed above.
- the wireless communication module 110 among the components is between the electronic device 100 and the wireless communication system, between the electronic device 100 and another electronic device 100 , or between the electronic device 100 and the external device. It may include one or more modules that enable wireless communication between servers. In addition, the wireless communication module 110 may include one or more modules for connecting the electronic device 100 to one or more networks.
- the one or more networks may be, for example, a 4G communication network and a 5G communication network.
- the wireless communication module 110 includes at least one of a 4G wireless communication module 111 , a 5G wireless communication module 112 , a short-range communication module 113 , and a location information module 114 .
- a 4G wireless communication module 111 may include.
- the 4G wireless communication module 111 , the 5G wireless communication module 112 , the short-range communication module 113 , and the location information module 114 may be implemented with a baseband processor such as a modem.
- the 4G wireless communication module 111 , the 5G wireless communication module 112 , the short-range communication module 113 and the location information module 114 may include a transceiver circuit and a baseband processor operating in an IF band.
- the RF module 1200 may be implemented as an RF transceiver circuit operating in an RF frequency band of each communication system.
- the present invention is not limited thereto, and the 4G wireless communication module 111 , the 5G wireless communication module 112 , the short-range communication module 113 and the location information module 114 may be interpreted to include each RF module.
- the 4G wireless communication module 111 may transmit and receive a 4G signal with a 4G base station through a 4G mobile communication network. In this case, the 4G wireless communication module 111 may transmit one or more 4G transmission signals to the 4G base station. In addition, the 4G wireless communication module 111 may receive one or more 4G reception signals from the 4G base station.
- Up-Link (UL) Multi-Input Multi-Output (MIMO) may be performed by a plurality of 4G transmission signals transmitted to the 4G base station.
- Down-Link (DL) Multi-Input Multi-Output (MIMO) may be performed by a plurality of 4G reception signals received from a 4G base station.
- the 5G wireless communication module 112 may transmit and receive a 5G signal with a 5G base station through a 5G mobile communication network.
- the 4G base station and the 5G base station may have a Non-Stand-Alone (NSA) structure.
- NSA Non-Stand-Alone
- the 4G base station and the 5G base station may be a co-located structure disposed at the same location in a cell.
- the 5G base station may be disposed in a stand-alone (SA) structure at a location separate from the 4G base station.
- SA stand-alone
- the 5G wireless communication module 112 may transmit and receive a 5G signal with a 5G base station through a 5G mobile communication network. In this case, the 5G wireless communication module 112 may transmit one or more 5G transmission signals to the 5G base station. In addition, the 5G wireless communication module 112 may receive one or more 5G reception signals from the 5G base station.
- the 5G frequency band may use the same band as the 4G frequency band, and this may be referred to as LTE re-farming.
- the 5G frequency band the Sub6 band, which is a band of 6 GHz or less, may be used.
- a millimeter wave (mmWave) band may be used as a 5G frequency band to perform broadband high-speed communication.
- the electronic device 100 may perform beam forming for communication coverage expansion with a base station.
- the 5G communication system may support a larger number of Multi-Input Multi-Output (MIMO) in order to improve transmission speed.
- MIMO Multi-Input Multi-Output
- UL MIMO may be performed by a plurality of 5G transmission signals transmitted to the 5G base station.
- DL MIMO may be performed by a plurality of 5G reception signals received from a 5G base station.
- the wireless communication module 110 may be in a dual connectivity (DC) state with the 4G base station and the 5G base station through the 4G wireless communication module 111 and the 5G wireless communication module 112 .
- DC dual connectivity
- the dual connection with the 4G base station and the 5G base station may be referred to as EN-DC (EUTRAN NR DC).
- EUTRAN is an Evolved Universal Telecommunication Radio Access Network, which means a 4G wireless communication system
- NR is New Radio, which means a 5G wireless communication system.
- the 4G base station and the 5G base station have a co-located structure, throughput improvement is possible through inter-CA (Carrier Aggregation). Therefore, the 4G base station and the 5G base station In the EN-DC state, the 4G reception signal and the 5G reception signal may be simultaneously received through the 4G wireless communication module 111 and the 5G wireless communication module 112 .
- inter-CA Carrier Aggregation
- Short-range communication module 113 is for short-range communication, Bluetooth (Bluetooth), RFID (Radio Frequency Identification), infrared communication (Infrared Data Association; IrDA), UWB (Ultra Wideband), ZigBee, NFC ( Near Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technology may be used to support short-distance communication.
- the short-distance communication module 114 between the electronic device 100 and the wireless communication system, between the electronic device 100 and another electronic device 100, or the electronic device 100 through wireless area networks (Wireless Area Networks) ) and a network in which another electronic device 100 or an external server is located may support wireless communication.
- the local area network may be local area networks (Wireless Personal Area Networks).
- short-range communication between electronic devices may be performed using the 4G wireless communication module 111 and the 5G wireless communication module 112 .
- short-distance communication may be performed between electronic devices using a device-to-device (D2D) method without going through a base station.
- D2D device-to-device
- carrier aggregation using at least one of the 4G wireless communication module 111 and the 5G wireless communication module 112 and the Wi-Fi communication module 113
- 4G + WiFi carrier aggregation may be performed using the 4G wireless communication module 111 and the Wi-Fi communication module 113
- 5G + WiFi carrier aggregation may be performed using the 5G wireless communication module 112 and the Wi-Fi communication module 113 .
- the location information module 114 is a module for obtaining a location (or current location) of an electronic device, and a representative example thereof includes a Global Positioning System (GPS) module or a Wireless Fidelity (WiFi) module.
- GPS Global Positioning System
- WiFi Wireless Fidelity
- the electronic device may acquire the location of the electronic device by using a signal transmitted from a GPS satellite.
- the electronic device may acquire the location of the electronic device based on information of the Wi-Fi module and a wireless access point (AP) that transmits or receives a wireless signal.
- AP wireless access point
- the location information module 114 may perform any function of the other modules of the wireless communication module 110 to obtain data on the location of the electronic device as a substitute or additionally.
- the location information module 114 is a module used to obtain the location (or current location) of the electronic device, and is not limited to a module that directly calculates or obtains the location of the electronic device.
- the electronic device may acquire the location of the electronic device based on information of the 5G wireless communication module and the 5G base station that transmits or receives the wireless signal.
- the 5G base station of the millimeter wave (mmWave) band is deployed in a small cell having a narrow coverage, it is advantageous to obtain the location of the electronic device.
- the input device 120 may include a pen sensor 1200 , a key button 123 , a voice input module 124 , a touch panel 151a, and the like. Meanwhile, the input device 120 includes a camera module 121 or an image input unit for inputting an image signal, a microphone 152c for inputting an audio signal, or an audio input unit, and a user input unit (eg, a user input unit for receiving information from a user). For example, it may include a touch key (touch key, mechanical key, etc.). The voice data or image data collected by the input device 120 may be analyzed and processed as a user's control command.
- the camera module 121 is a device capable of capturing still images and moving images, and according to an embodiment, one or more image sensors (eg, a front sensor or a rear sensor), a lens, an image signal processor (ISP), or a flash (eg, : LED or lamp, etc.).
- image sensors eg, a front sensor or a rear sensor
- lens e.g., a lens
- ISP image signal processor
- flash eg, : LED or lamp, etc.
- the sensor module 140 may include one or more sensors for sensing at least one of information in the electronic device, surrounding environment information surrounding the electronic device, and user information.
- the sensor module 140 may include a gesture sensor 340a, a gyro sensor 340b, a barometric pressure sensor 340c, a magnetic sensor 340d, an acceleration sensor 340e, a grip sensor 340f, and a proximity sensor 340g. ), color sensor (340h) (e.g.
- RGB red, green, blue
- biometric sensor 340i
- temperature/humidity sensor 340j
- illuminance sensor 340k
- UV ultra violet
- At least one of a sensor 340l, an optical sensor 340m, and a hall sensor 340n may be included.
- the sensor module 140 includes a fingerprint recognition sensor (finger scan sensor), an ultrasonic sensor (ultrasonic sensor), an optical sensor (for example, a camera (see 121)), a microphone (refer to 152c), a battery, Battery gauges, environmental sensors (eg barometers, hygrometers, thermometers, radiation sensors, thermal sensors, gas detection sensors, etc.), chemical sensors (eg electronic noses, healthcare sensors, biometric sensors) etc.) may be included. Meanwhile, the electronic device disclosed in the present specification may combine and utilize information sensed by at least two or more of these sensors.
- the output interface 150 is for generating an output related to visual, auditory or tactile sense, and may include at least one of a display 151 , an audio module 152 , a haptic tip module 153 , and an indicator 154 .
- the display 151 may implement a touch screen by forming a mutually layered structure with the touch sensor or integrally formed therewith.
- a touch screen may function as the user input unit 123 providing an input interface between the electronic device 100 and the user, and may provide an output interface between the electronic device 100 and the user.
- the display 151 may be a liquid crystal display (LCD), a light emitting diode (LED) display, an organic light emitting diode (OLED) display, or a micro electromechanical system (micro) display. electro mechanical systems, MEMS displays, or electronic paper displays.
- the display 151 may display various contents (eg, text, image, video, icon, and/or symbol, etc.) to the user.
- the display 151 may include a touch screen, and may receive, for example, a touch input using an electronic pen or a part of the user's body, a gesture, a proximity, or a hovering input.
- the display 151 may include a touch panel 151a, a hologram device 151b, a projector 151c, and/or a control circuit for controlling them.
- the panel may be implemented to be flexible, transparent, or wearable.
- the panel may include the touch panel 151a and one or more modules.
- the hologram device 151b may display a stereoscopic image in the air by using light interference.
- the projector 151c may display an image by projecting light onto the screen.
- the screen may be located inside or outside the electronic device 100 , for example.
- the audio module 152 may be configured to interwork with the receiver 152a, the speaker 152b, and the microphone 152c.
- the haptic module 153 may convert an electrical signal into mechanical vibration, and may generate vibration or a haptic effect (eg, pressure, texture), and the like.
- the electronic device includes, for example, a mobile TV support device (eg, GPU) capable of processing media data according to standards such as digital multimedia broadcasting (DMB), digital video broadcasting (DVB), or mediaFlow.
- DMB digital multimedia broadcasting
- DVD digital video broadcasting
- mediaFlow may include Also, the indicator 154 may display a specific state of the electronic device 100 or a part thereof (eg, the processor 310 ), for example, a booting state, a message state, or a charging state.
- the wired communication module 160 which may be implemented as an interface unit, functions as a passage with various types of external devices connected to the electronic device 100 .
- the wired communication module 160 includes an HDMI 162 , a USB 162 , a connector/port 163 , an optical interface 164 , or a D-sub (D-subminiature) 165 . can do.
- the wired communication module 160 connects a device equipped with a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, and an identification module. It may include at least one of a port, an audio I/O (Input/Output) port, a video I/O (Input/Output) port, and an earphone port.
- the electronic device 100 may perform appropriate control related to the connected external device.
- the memory 170 stores data supporting various functions of the electronic device 100 .
- the memory 170 may store a plurality of application programs (or applications) driven in the electronic device 100 , data for operation of the electronic device 100 , and commands. At least some of these application programs may be downloaded from an external server (eg, the first server 310 or the second server 320) through wireless communication. In addition, at least some of these application programs may exist on the electronic device 100 from the time of shipment for basic functions (eg, incoming calls, outgoing functions, message reception, and outgoing functions) of the electronic device 100 . Meanwhile, the application program may be stored in the memory 170 , installed on the electronic device 100 , and driven by the processor 180 to perform an operation (or function) of the electronic device.
- the first server 310 may be referred to as an authentication server
- the second server 320 may be referred to as a content server.
- the first server 310 and/or the second server 320 may interface with an electronic device through a base station.
- a part of the second server 320 corresponding to the content server may be implemented as a mobile edge cloud (MEC) 330 in units of base stations. Therefore, it is possible to implement a distributed network through the second server 320 implemented as a mobile edge cloud (MEC, 330) and to reduce content transmission delay.
- MEC mobile edge cloud
- Memory 170 may include volatile and/or non-volatile memory. Also, the memory 170 may include an internal memory 170a and an external memory 170b. The memory 170 may store, for example, commands or data related to at least one other component of the electronic device 100 . According to an embodiment, the memory 170 may store software and/or a program 240 .
- the program 240 may include a kernel 171 , middleware 172 , an application programming interface (API) 173 , or an application program (or “application”) 174 , and the like. At least a portion of the kernel 171 , the middleware 172 , or the API 174 may be referred to as an operating system (OS).
- OS operating system
- the kernel 171 is a system used to execute operations or functions implemented in other programs (eg, middleware 172 , an application programming interface (API) 173 , or an application program 174 ).
- Resources eg, bus, memory 170, processor 180, etc.
- the kernel 171 may provide an interface capable of controlling or managing system resources by accessing individual components of the electronic device 100 from the middleware 172 , the API 173 , or the application program 174 . can
- the middleware 172 may play an intermediary role so that the API 173 or the application program 174 communicates with the kernel 171 to exchange data. Also, the middleware 172 may process one or more work requests received from the application program 247 according to priority. In an embodiment, the middleware 172 sets a priority for using the system resource (eg, bus, memory 170, processor 180, etc.) of the electronic device 100 to at least one of the application programs 174 . Grants and can process one or more work requests.
- the API 173 is an interface for the application program 174 to control a function provided by the kernel 171 or the middleware 1723, for example, at least one for file control, window control, image processing, or character control. It can contain interfaces or functions (eg commands).
- the processor 180 In addition to the operation related to the application program, the processor 180 generally controls the overall operation of the electronic device 100 .
- the processor 180 may provide or process appropriate information or functions to the user by processing signals, data, information, etc. input or output through the above-described components or by driving an application program stored in the memory 170 .
- the processor 180 may control at least some of the components described with reference to FIGS. 1A and 2A in order to drive an application program stored in the memory 170 .
- the processor 180 may operate at least two or more of the components included in the electronic device 100 in combination with each other.
- the processor 180 is one of a central processing unit (CPU), an application processor (AP), an image signal processor (ISP), a communication processor (CP), a low-power processor (eg, a sensor hub), or It may include more.
- the processor 180 may execute an operation or data processing related to control and/or communication of at least one other component of the electronic device 100 .
- the power supply unit 190 receives external power and internal power under the control of the processor 180 to supply power to each component included in the electronic device 100 .
- the power supply unit 190 includes a power management module 191 and a battery 192, and the battery 192 may be a built-in battery or a replaceable battery.
- the power management module 191 may include a power management integrated circuit (PMIC), a charging IC, or a battery or fuel gauge.
- the PMIC may have a wired and/or wireless charging method.
- the wireless charging method includes, for example, For example, it includes a magnetic resonance method, a magnetic induction method or an electromagnetic wave method, etc., and may further include an additional circuit for wireless charging, for example, a coil loop, a resonance circuit, or a rectifier.
- the remaining amount of the battery 396, voltage, current, or temperature during charging may be measured, for example, the battery 192 may include a rechargeable battery and/or a solar cell.
- Each of the external device 100a , the first server 310 , and the second server 320 may be the same or a different type of device (eg, an external device or a server) as the electronic device 100 .
- all or part of the operations executed in the electronic device 100 may be performed by one or a plurality of other electronic devices (eg, the external device 100a, the first server 310, and the second server 320).
- the electronic device 100 when the electronic device 100 needs to automatically or request a function or service, the electronic device 100 performs the function or service by itself instead of or in addition to it. At least some related functions may be requested from other devices (eg, the external device 100a, the first server 310, and the second server 320).
- Other electronic devices may execute a requested function or an additional function, and transmit the result to the electronic device 201 .
- the electronic device 100 may provide the requested function or service by processing the received result as it is or additionally.
- cloud computing distributed computing, client-server computing, or mobile edge cloud (MEC) technology may be used.
- MEC mobile edge cloud
- At least some of the respective components may operate cooperatively to implement an operation, control, or control method of an electronic device according to various embodiments described below.
- the operation, control, or control method of the electronic device may be implemented on the electronic device by driving at least one application program stored in the memory 170 .
- a wireless communication system may include an electronic device 100 , at least one external device 100a , a first server 310 , and a second server 320 .
- the electronic device 100 is functionally connected to at least one external device 100a, and can control contents or functions of the electronic device 100 based on information received from the at least one external device 100a.
- the electronic device 100 may use the servers 310 and 320 to perform authentication for determining whether the at least one external device 100 includes or generates information conforming to a predetermined rule. have.
- the electronic device 100 may display contents or control functions differently by controlling the electronic device 100 based on the authentication result.
- the electronic device 100 may be connected to at least one external device 100a through a wired or wireless communication interface to receive or transmit information.
- the electronic device 100 and the at least one external device 100a may include near field communication (NFC), a charger (eg, universal serial bus (USB)-C), an ear jack, Information may be received or transmitted in a manner such as BT (bluetooth) or WiFi (wireless fidelity).
- NFC near field communication
- USB universal serial bus
- WiFi wireless fidelity
- the electronic device 100 includes at least one of an external device authentication module 100-1, a content/function/policy information DB 100-2, an external device information DB 100-3, or a content DB 104 can do.
- the at least one external device 100a may be a device designed for various purposes, such as ease of use of the electronic device 100, increase of aesthetics, enhancement of usability, etc. .
- At least one external device 100a may or may not be in physical contact with the electronic device 100 .
- at least one external device 100a is functionally connected to the electronic device 100 using a wired/wireless communication module, and receives control information for controlling content or functions in the electronic device 100 . can be transmitted
- the at least one external device 100a encrypts/decrypts one or more pieces of information included in the external device information, or stores it in a physical/virtual memory area that is not directly accessible from the outside. and may include an authentication module for management.
- at least one external device 100a may communicate with the electronic device 100 or provide information through communication between external devices.
- at least one external device 100a may be functionally connected to the server 410 or 320 .
- the at least one external device 100a may include a cover case, an NFC dongle, a vehicle charger, an earphone, an ear cap (eg, an accessory device mounted on a mobile phone audio connector), a thermometer, It may be various types of products such as an electronic pen, BT earphone, BT speaker, BT dongle, TV, refrigerator, WiFi dongle, etc.
- the external device 100a such as a wireless charger may supply power to the electronic device 100 through a charging interface such as a coil.
- control information may be exchanged between the external device 100a and the electronic device 100 through in-band communication through a charging interface such as a coil.
- control information may be exchanged between the external device 100a and the electronic device 100 through out-of-band communication such as Bluetooth or NFC.
- the first server 310 may include a server for a service related to at least one external device 100a, a cloud device, or a hub device for controlling a service in a smart home environment.
- the first server 310 may include at least one of an external device authentication module 311 , a content/function/policy information DB 312 , an external device information DB 313 , and an electronic device/user DB 314 .
- the first server 310 may be referred to as an authentication management server, an authentication server, or an authentication-related server.
- the second server 320 may include a server or cloud device for providing a service or content, or a hub device for providing a service in a smart home environment.
- the second server 320 may include one or more of a content DB 321 , an external device specification information DB 322 , a content/function/policy information management module 323 , or a device/user authentication/management module 324 .
- the second server 130 may be referred to as a content management server, a content server, or a content-related server.
- FIG. 1C shows a configuration in which an electronic device is interfaced with a plurality of base stations or network entities according to an embodiment.
- 4G/5G deployment options are shown.
- multi-RAT of 4G LTE and 5G NR is supported and in non-standalone (NSA) mode, it may be implemented as EN-DC of option 3 or NGEN-DC of option 5.
- NSA non-standalone
- multi-RAT when multi-RAT is supported and in standalone (SA) mode, it may be implemented as NE-DC of option 4.
- SA standalone
- NR-DC when single RAT is supported and in standalone (SA) mode, it may be implemented as NR-DC of option 2.
- the NR frequency band is defined as a frequency range of two types (FR1, FR2).
- FR1 is the sub 6GHz range
- FR2 is the above 6GHz range, which may mean a millimeter wave (mmW).
- mmW millimeter wave
- the operating band for dual connectivity can be specified to operate in EN-DC or NGEN-DC, NR-DC configuration.
- EN-DC or NGEN-DC band combinations may include one or more E-UTRA operating bands.
- An operating band for the inter-band EN-DC between EN-DC, FR1 and FR2 may be defined.
- UE channel bandwidth for EN-DC may be defined.
- the UE channel bandwidth for intra-band EN-DC in FR1 may be defined.
- Channel arrangements for DC may be defined.
- channel spacing for intra-band EN-DC carriers may be defined.
- a configuration for EN-DC may be defined. Specifically, intra-band contiguous EN-DC, intra-band non-contiguous EN-DC, inter-band EN-DC within FR1, inter-band EN-DC including FR2, inter-band including FR1 and FR2 A configuration for inter-band EN-DC between EN-DC, FR1 and FR2 may be defined.
- a UL EN-DC configuration may be defined for 2, 3, 4, 5 or 6 bands in FR1.
- the UL EN-DC configuration for 2, 3, 4, 5 or 6 bands in FR1 may consist of a combination of EUTRA configuration and NR configuration.
- This EN-DC or NGEN-DC, NR-DC configuration may be defined for the uplink (UL) as well as the downlink (DL).
- Transmitter power may be defined in relation to EN-DC.
- UE maximum output power and UE maximum output power reduction may be defined for each configuration for the aforementioned EN-DC.
- UE additional maximum output power reduction may be defined.
- a configured output power for EN-DC and a configured output power for NR-DC can be defined.
- the eNB is a 4G base station, also called an LTE eNB, and is based on the Rel-8 - Rel-14 standard.
- ng-eNB is an eNB capable of interworking with 5GC and gNB, also called eLTE eNB, and is based on the Rel-15 standard.
- gNB is a 5G base station interworking with 5G NR and 5GC, also called NR gNB, and is based on the Rel-15 standard.
- the en-gNB is a gNB capable of interworking with the EPC and the eNB, also referred to as an NR gNB, and is based on the Rel-15 standard.
- option 3 indicates E-UTRA-NR Dual Connectivity (EN-DC).
- option 7 indicates NG-RAN E-UTRA-NR Dual Connectivity (NGEN-DC).
- option 4 indicates NR-E-UTRA Dual Connectivity (NE-DC).
- option 2 indicates NR-NR Dual Connectivity (NR-DC).
- the technical characteristics of the dual connection according to option 2 to option 7 are as follows.
- Independent 5G service can be provided only with 5G system (5GC, gNB).
- 5GC 5G system
- 5G system 5GC, gNB
- eMBB enhanced Mobile Broadband
- URLLC Ultra-Reliable Low-Latency Communication
- mMTC Massive Machine Type Communication
- 5G full service can be provided. Initially, due to coverage limitations, it can be used as a hot spot, enterprise, or overlay network. In case of out of 5G NR coverage, EPC-5GC interworking is required. 5G NR full coverage may be provided, and dual connectivity (NR-DC) between gNBs may be supported using multiple 5G frequencies.
- NR-DC dual connectivity
- gNB When only gNB is introduced into the existing LTE infrastructure. Core is EPC and gNB is an en-gNB capable of interworking with EPC and eNB. Dual connectivity (EN-DC) is supported between the eNB and the en-gNB, and the master node is the eNB.
- the eNB which is the control anchor of the en-gNB, processes control signaling for network access, connection establishment, handover, etc. of the UE, and user traffic may be delivered through the eNB and/or en-gNB.
- This option is mainly applied in the first stage of 5G migration, as operators operating nationwide LTE networks can quickly build 5G networks with the introduction of en-gNB and minimal LTE upgrades without 5GC.
- Option 3/3a/3x There are 3 types of Option 3/3a/3x depending on the user traffic split method. Bearer split is applied to Option 3/3x and Option 3a is not applied. The main method is Option 3x.
- eNB Only the eNB is connected to the EPC, and the en-gNB is only connected to the eNB. User traffic is split in the master node (eNB) and can be transmitted simultaneously to LTE and NR.
- eNB master node
- Both the eNB and the gNB are connected to the EPC, and user traffic is delivered directly from the EPC to the gNB.
- User traffic is transmitted in LTE or NR.
- Option 3 and Option 3a are combined.
- the difference from Option 3 is that user traffic is split at the secondary node (gNB).
- Option 3 The advantages of Option 3 are i) that LTE can be used as a capacity booster for eMBB service, and ii) that the terminal is always connected to LTE, so even if it goes out of 5G coverage or NR quality deteriorates, service continuity is provided through LTE and stable Communication may be provided.
- 5GC is introduced and it is still linked with LTE, but independent 5G communication is possible.
- the core is 5GC and the eNB is an ng-eNB capable of interworking with 5GC and gNB.
- Dual connectivity (NE-DC) is supported between the ng-eNB and the gNB, and the master node is the gNB.
- NE-DC Dual connectivity
- LTE can be used as a capacity booster.
- the main method is Option 4a.
- 5GC is introduced and still works with LTE, so 5G communication depends on LTE.
- the core is 5GC and the eNB is an ng-eNB capable of interworking with 5GC and gNB. Dual connectivity (NGEN-DC) is supported between ng-eNB and gNB, and the master node is the eNB.
- 5GC characteristics can be used, and service continuity can still be provided with the eNB as the master node, as in Option 3, when 5G coverage is not yet sufficient.
- the main method is Option 7x.
- the 5G frequency band may be a higher frequency band than the Sub6 band.
- the 5G frequency band may be a millimeter wave band, but is not limited thereto and may be changed according to an application.
- the electronic device includes a first power amplifier 1210 , a second power amplifier 1220 , and an RFIC 1250 .
- the electronic device may further include a modem 400 and an application processor (AP) 500 .
- the modem 400 and the application processor AP 500 are physically implemented on a single chip, and may be implemented in a logically and functionally separated form.
- the present invention is not limited thereto and may be implemented in the form of a physically separated chip depending on the application.
- the electronic device includes a plurality of low noise amplifiers (LNAs) 1310 to 1340 in the receiver.
- LNAs low noise amplifiers
- the first power amplifier 1210 , the second power amplifier 1220 , the controller 1250 , and the plurality of low-noise amplifiers 310 to 340 are all operable in the first communication system and the second communication system.
- the first communication system and the second communication system may be a 4G communication system and a 5G communication system, respectively.
- the RFIC 1250 may be configured as a 4G/5G integrated type, but is not limited thereto and may be configured as a 4G/5G separate type according to an application.
- the RFIC 1250 is configured as a 4G/5G integrated type, it is advantageous in terms of synchronization between 4G/5G circuits, as well as the advantage that control signaling by the modem 1400 can be simplified.
- the RFIC 1250 when configured as a 4G/5G separate type, it may be referred to as a 4G RFIC and a 5G RFIC, respectively.
- the RFIC 1250 when the difference between the 5G band and the 4G band is large, such as when the 5G band is configured as a millimeter wave band, the RFIC 1250 may be configured as a 4G/5G separate type.
- the RFIC 1250 when the RFIC 1250 is configured as a 4G/5G separate type, there is an advantage that RF characteristics can be optimized for each of the 4G band and the 5G band.
- the RFIC 1250 is configured as a 4G/5G separated type, the 4G RFIC and the 5G RFIC are logically and functionally separated, and it is also possible to be physically implemented on a single chip.
- the application processor (AP, 1450) is configured to control the operation of each component of the electronic device. Specifically, the application processor (AP) 1450 may control the operation of each component of the electronic device through the modem 1400 .
- the modem 1400 may be controlled through a power management IC (PMIC) for low power operation of the electronic device. Accordingly, the modem 1400 may operate the power circuits of the transmitter and the receiver in the low power mode through the RFIC 1250 .
- PMIC power management IC
- the application processor (AP) 500 may control the RFIC 1250 through the modem 300 as follows. For example, if the electronic device is in the idle mode, the RFIC through the modem 300 so that at least one of the first and second power amplifiers 110 and 120 operates in the low power mode or is turned off 1250 can be controlled.
- the application processor (AP) 500 may control the modem 300 to provide wireless communication capable of low power communication.
- the application processor (AP) 1450 may control the modem 1400 to enable wireless communication with the lowest power.
- the application processor (AP, 500) may control the modem 1400 and the RFIC 1250 to perform short-range communication using only the short-range communication module 113 even though throughput is somewhat sacrificed.
- the modem 300 may be controlled to select an optimal wireless interface.
- the application processor (AP) 1450 may control the modem 1400 to receive through both the 4G base station and the 5G base station according to the remaining battery level and available radio resource information.
- the application processor (AP) 1450 may receive the remaining battery level information from the PMIC and the available radio resource information from the modem 1400 . Accordingly, if the remaining battery level and available radio resources are sufficient, the application processor (AP) 500 may control the modem 1400 and the RFIC 1250 to receive through both the 4G base station and the 5G base station.
- the multi-transceiving system of FIG. 2B may integrate the transmitter and receiver of each radio system into one transceiver. Accordingly, there is an advantage that a circuit part integrating two types of system signals in the RF front-end can be removed.
- the front-end components can be controlled by the integrated transceiver, the front-end components can be more efficiently integrated than when the transmission/reception system is separated for each communication system.
- the multi-transmission/reception system as shown in FIG. 2 has the advantage that it is possible to control other communication systems as necessary, and thus system delay can be minimized, so that efficient resource allocation is possible.
- the first power amplifier 1210 and the second power amplifier 1220 may operate in at least one of the first and second communication systems.
- the first and second power amplifiers 1220 may operate in both the first and second communication systems.
- one of the first and second power amplifiers 1210 and 1220 operates in the 4G band, and the other operates in the millimeter wave band. have.
- 4x4 MIMO can be implemented using four antennas as shown in FIG. 3B.
- 4x4 DL MIMO may be performed through the downlink (DL).
- multiple-input and multiple-output is a key technology for improving throughput.
- Multiple antennas are used at both the transmitter and receiver to enable multi-layer data transmission.
- NR supports multi-layer data transmission for a single UE (single-user MIMO) with up to 8 transport layers for DL and 4 transport layers for UL.
- NR supports multi-layer data transmission to multiple UEs in different layers (multi-user MIMO) using up to 12 transport layers for DL and UL transmission.
- a reference signal is designated assuming multi-layer transmission.
- demodulation RS For demodulation of data/control information for both uplink and downlink, demodulation RS (DM-RS) is supported.
- CSI-RS channel state information RS
- CSI-RS is also used for mobility measurement, gNB transmit beamforming measurement, and frequency/time tracking.
- TRS tracking RS
- phase noise is a problem that degrades transmission performance.
- Phase tracking reference signals PT-RS
- PDSCH and PUSCH allowing the receiver to track phase and mitigate performance loss due to phase noise.
- sounding RS Sounding RS
- SRS sounding RS
- both codebook-based and non-codebook-based precoding are supported.
- codebook-based UL transmission the precoding matrix applied to PUSCH transmission is selected by the gNB.
- non-codebook-based UL transmission after multiple pre-coded SRSs are transmitted, the gNB selects a desired transport layer for the PUSCH based on the reception of the SRS.
- the gNB applies transmit beamforming to SS/PBCH block and/or CSI-RS transmission, and the UE receives a physical layer (L1-L1-) in the configured SS/PBCH block and/or CSI-RS resource.
- RSRP physical layer
- the UE reports the SS/PBCH block or CSI-RS resource having the maximum L1-RSRP value as the L1-RSRP beam report.
- the gNB may determine gNB transmit beamforming for the UE based on the reported L1-RSRP.
- gNB transmits gNB transmission beamforming applied to a specific SS / PBCH block or CSI-RS resource is applied to PDCCH / PDSCH transmission, so that the UE can apply receive beamforming suitable for gNB transmission beamforming.
- UL transmission beamforming two mechanisms are supported. In one mechanism, the UE transmits multiple SRS symbols with different UE transmit beamforming, so that the gNB can measure them and identify the best UE transmit beamforming. As another mechanism, the UE generates the same UL transmission beamforming as the DL reception beamforming used for receiving the SS/PBCH block or CSI-RS resource. Beam Fault Recovery (BFR) is also supported to quickly recover from beam faults. The UE identifies the beam failure and notifies the gNB as a new candidate beam for the index of the SS/PBCH block or CSI-RS resource.
- BFR Beam Fault Recovery
- NR For DL channel state information (CSI) acquisition, NR supports two precoding matrix indicator (PMI) definitions, type I and II codebooks that provide different levels of CSI granularity.
- PMI precoding matrix indicator
- the first to fourth antennas ANT1 to ANT4 may be configured to operate in both the 4G band and the 5G band.
- UL-MIMO and/or DL-MIMO may be performed through multiple input/output (MIMO) through the first to fourth antennas ANT1 to ANT4.
- the maximum output power for all transmission bandwidths within the channel bandwidth may be specified. These maximum output power requirements may follow the specified UL-MIMO configuration.
- the maximum output power may be measured as the sum of the maximum output powers at each UE antenna connector. The measurement period may be defined as at least one subframe (1 ms), but is not limited thereto.
- a maximum allowable maximum power reduction (MPR) may be specified for the maximum output power.
- an additional maximum output power reduction (A-MPR) value specified for a specific maximum output power may be applied.
- A-MPR additional maximum output power reduction
- transmit power may be configured for each UE. Definitions of configured maximum output power P CMAX , c , lower limits P CMAX _L, c and upper limits P CMAX _H, c may be applied to a UE supporting UL-MIMO.
- minimum output power is defined as the sum of the average powers at each transmit antenna in one subframe (1 ms). It can be controlled so that the minimum output power does not exceed a certain value.
- UL-MIMO and/or DL-MIMO may be performed in the millimeter wave band through the first to fourth antennas ANT1 to ANT4.
- An operating band for UL-MIMO may be at least one of bands n257, n258, n260, and n261.
- Transmission power for UL-MIMO may be defined.
- the maximum UE output for UL-MIMO may be defined for each power class (PC). For a PC1 UE, the UE maximum output may be defined as the maximum output power radiated by the UE using UL-MIMO for all transmission bandwidths within the channel bandwidth for non-CA configuration.
- UE minimum peak EIRP (dBm) for UL-MIMO, UE maximum power limits, and UE spherical coverage may be defined for each band.
- a measurement period may be at least one subframe (1 ms).
- a channel bandwidth for UL-MIMO and a UE maximum power for modulation may be defined for each power class (PC).
- PC power class
- output power dynamics for UL-MIMO minimum output power, transmit OFF power, transmit ON/OFF time mask, and power control for UL-MIMO may be applied.
- Each of the first to fourth antennas ANT1 to ANT4 may be configured as an array antenna.
- 2x2 MIMO can be implemented using two antennas connected to the first power amplifier 1210 and the second power amplifier 1220 among the four antennas.
- 2x2 UL MIMO (2 Tx) may be performed through the uplink (UL).
- the 5G communication system is implemented with 1 Tx, only one of the first and second power amplifiers 1210 and 1220 needs to operate in the 5G band.
- the 5G communication system is implemented as 4Tx, an additional power amplifier operating in the 5G band may be further provided.
- a transmission signal may be branched in each of one or two transmission paths, and the branched transmission signal may be connected to a plurality of antennas.
- a switch-type splitter or a power divider is built inside the RFIC corresponding to the RFIC 1250, there is no need for a separate component to be disposed outside, thereby improving component mountability.
- SPDT single pole double throw
- the electronic device operable in a plurality of wireless communication systems may further include a duplexer 1231 , a filter 1232 , and a switch 1233 .
- the duplexer 1231 is configured to mutually separate signals of a transmission band and a reception band.
- the signals of the transmission band transmitted through the first and second power amplifiers 1210 and 1220 are applied to the antennas ANT1 and ANT4 through the first output port of the duplexer 1231 .
- signals of the reception band received through the antennas ANT1 and ANT4 are received by the low noise amplifiers 310 and 340 through the second output port of the duplexer 1231 .
- the filter 1232 may be configured to pass a signal of a transmission band or a reception band and block a signal of the remaining band.
- the filter 1232 may include a transmit filter connected to a first output port of the duplexer 1231 and a receive filter connected to a second output port of the duplexer 1231 .
- the filter 1232 may be configured to pass only a signal of a transmission band or only a signal of a reception band according to the control signal.
- the switch 1233 is configured to transmit either only a transmit signal or a receive signal.
- the switch 1233 may be configured in a single pole double throw (SPDT) type to separate a transmission signal and a reception signal in a time division multiplexing (TDD) method.
- the transmission signal and the reception signal are signals of the same frequency band, and accordingly, the duplexer 1231 may be implemented in the form of a circulator.
- the switch 1233 is also applicable to a frequency division multiplexing (FDD: Time Division Duplex) scheme.
- FDD Fre Division Duplex
- the switch 1233 may be configured in a double pole double throw (DPDT) type to connect or block a transmission signal and a reception signal, respectively.
- DPDT double pole double throw
- the electronic device may further include a modem 1400 corresponding to a control unit.
- the RFIC 1250 and the modem 1400 may be referred to as a first controller (or first processor) and a second controller (second processor), respectively.
- the RFIC 1250 and the modem 1400 may be implemented as physically separate circuits.
- the RFIC 1250 and the modem 1400 may be physically or logically divided into one circuit.
- the modem 1400 may control and process signals for transmission and reception of signals through different communication systems through the RFIC 1250 .
- the modem 1400 may be obtained through control information received from the 4G base station and/or the 5G base station.
- the control information may be received through a physical downlink control channel (PDCCH), but is not limited thereto.
- PDCCH physical downlink control channel
- the modem 1400 may control the RFIC 1250 to transmit and/or receive a signal through the first communication system and/or the second communication system in a specific time and frequency resource. Accordingly, the RFIC 1250 may control transmission circuits including the first and second power amplifiers 1210 and 1220 to transmit a 4G signal or a 5G signal in a specific time period. Also, the RFIC 1250 may control receiving circuits including the first to fourth low-noise amplifiers 1310 to 1340 to receive a 4G signal or a 5G signal in a specific time period.
- the multi-transceiving system of FIG. 2B may integrate the transmitter and receiver of each radio system into one transceiver. Accordingly, there is an advantage that a circuit part integrating two types of system signals in the RF front-end can be removed.
- the front-end components can be controlled by the integrated transceiver, the front-end components can be more efficiently integrated than when the transmission/reception system is separated for each communication system.
- the multi-transmission/reception system as shown in FIG. 2B has the advantage that it is possible to control other communication systems as needed, and the resulting system delay can be minimized, so that efficient resource allocation is possible.
- the first power amplifier 1210 and the second power amplifier 1220 may operate in at least one of the first and second communication systems.
- the first and second power amplifiers 1210 and 1220 may operate in both the first and second communication systems.
- one of the first and second power amplifiers 1210 and 1220 operates in the 4G band, and the other operates in the millimeter wave band. have.
- 4x4 MIMO can be implemented using four antennas as shown in FIG. 5A.
- 4x4 DL MIMO may be performed through the downlink (DL).
- FIG. 2C illustrates a MIMO configuration and a MIMO + carrier aggregation (CA) configuration between a UE and a base station (BS) according to an embodiment.
- 4x4 MIMO requires 4 Tx antennas for the base station and 4 Rx antennas for the UE.
- the four antennas of the UE operate as Tx antennas. Therefore, 4x4 MIMO can double the data rate (or capacity) compared to 2x2 MIMO.
- NR supports multi-layer data transmission for a single UE (single-user MIMO) with up to 8 transport layers for DL and 4 transport layers for UL.
- NR supports multi-layer data transmission to multiple UEs in different layers (multi-user MIMO) using up to 12 transport layers for DL and UL transmission.
- a reference signal is designated assuming multi-layer transmission.
- demodulation RS For demodulation of data/control information for both uplink and downlink, demodulation RS (DM-RS) is supported.
- CSI-RS channel state information RS
- CSI-RS is also used for mobility measurement, gNB transmit beamforming measurement, and frequency/time tracking.
- TRS tracking RS
- phase noise is a problem that degrades transmission performance.
- Phase tracking reference signals PT-RS
- PDSCH and PUSCH allowing the receiver to track phase and mitigate performance loss due to phase noise.
- sounding RS Sounding RS
- SRS sounding RS
- both codebook-based and non-codebook-based precoding are supported.
- codebook-based UL transmission the precoding matrix applied to PUSCH transmission is selected by the gNB.
- non-codebook-based UL transmission after multiple pre-coded SRSs are transmitted, the gNB selects a desired transport layer for the PUSCH based on the reception of the SRS.
- the gNB applies transmit beamforming to SS/PBCH block and/or CSI-RS transmission, and the UE receives a physical layer (L1-L1-) in the configured SS/PBCH block and/or CSI-RS resource.
- RSRP physical layer
- the UE reports the SS/PBCH block or CSI-RS resource having the maximum L1-RSRP value as the L1-RSRP beam report.
- the gNB may determine gNB transmit beamforming for the UE based on the reported L1-RSRP.
- gNB transmits gNB transmission beamforming applied to a specific SS / PBCH block or CSI-RS resource is applied to PDCCH / PDSCH transmission, so that the UE can apply receive beamforming suitable for gNB transmission beamforming.
- UL transmission beamforming two mechanisms are supported. In one mechanism, the UE transmits multiple SRS symbols with different UE transmit beamforming, so that the gNB can measure them and identify the best UE transmit beamforming. As another mechanism, the UE generates the same UL transmission beamforming as the DL reception beamforming used for receiving the SS/PBCH block or CSI-RS resource. Beam Fault Recovery (BFR) is also supported to quickly recover from beam faults. The UE identifies the beam failure and notifies the gNB as a new candidate beam for the index of the SS/PBCH block or CSI-RS resource.
- BFR Beam Fault Recovery
- NR For DL channel state information (CSI) acquisition, NR supports two precoding matrix indicator (PMI) definitions, type I and II codebooks that provide different levels of CSI granularity.
- PMI precoding matrix indicator
- CA carrier aggregation
- Carrier aggregation (CA) may be applied in a form in which multiple input/output (MIMO) is combined.
- MIMO multiple input/output
- up to 800 Mbps can be supported with 4-CA and 1-4x4 MIMO (2.6 GHz).
- 4-CA may be supported for Bands 1, 3, 5, and 7.
- Bands 1, 3, 5, and 7 may have bandwidths of 10, 20, 10, and 20 MHz, respectively.
- 4x4 MIMO may be applied to Band 7.
- 3-CA may be supported for Bands 3, 5, and 7.
- 4x4 MIMO may be applied to Band 7.
- 4-CA and 2-4x4 MIMO supporting 1 Gbps may be supported.
- 4-CA may be supported for Bands 1, 3, 5, and 7.
- Bands 1, 3, 5, and 7 may have bandwidths of 10, 20, 10, and 20 MHz, respectively.
- 4x4 MIMO may be applied to Bands 3 and 7.
- it can support 5-CA and 3-4X4 MIMO supporting 1.2Gbps.
- the data transfer rate can be improved up to 1.4Gbps.
- the 4.5G or 5G data rate can be improved gradually depending on the processing power of the UE in use (eg, the number of data streams that can be processed simultaneously).
- a combination of carrier aggregation (CA) and multiple input/output (MIMO) can be applied to 5G NR in addition to 4G LTE.
- Carrier aggregation (CA) and multiple input/output (MIMO) for 4G LTE or 5G NR may be referred to as intra-CA + MIMO.
- carrier aggregation (CA) and multiple input/output (MIMO) for using both 4G LTE and 5G NR may be referred to as inter CA + MIMO.
- the first to fourth antennas ANT1 to ANT4 may be configured to operate in both the 4G band and the 5G band.
- UL-MIMO and/or DL-MIMO may be performed through multiple input/output (MIMO) through the first to fourth antennas ANT1 to ANT4.
- the maximum output power for all transmission bandwidths within the channel bandwidth may be specified. These maximum output power requirements may follow the specified UL-MIMO configuration.
- the maximum output power may be measured as the sum of the maximum output powers at each UE antenna connector. The measurement period may be defined as at least one subframe (1 ms), but is not limited thereto.
- a maximum allowable maximum power reduction (MPR) may be specified for the maximum output power.
- an additional maximum output power reduction (A-MPR) value specified for a specific maximum output power may be applied.
- A-MPR additional maximum output power reduction
- transmit power may be configured for each UE. Definitions of configured maximum output power P CMAX , c , lower limits P CMAX _L, c and upper limits P CMAX _H, c may be applied to a UE supporting UL-MIMO.
- minimum output power is defined as the sum of the average powers at each transmit antenna in one subframe (1 ms). It can be controlled so that the minimum output power does not exceed a certain value.
- UL-MIMO and/or DL-MIMO may be performed in the millimeter wave band through the first to fourth antennas ANT1 to ANT4.
- An operating band for UL-MIMO may be at least one of bands n257, n258, n260, and n261.
- Transmission power for UL-MIMO may be defined.
- the maximum UE output for UL-MIMO may be defined for each power class (PC). For a PC1 UE, the UE maximum output may be defined as the maximum output power radiated by the UE using UL-MIMO for all transmission bandwidths within the channel bandwidth for non-CA configuration.
- UE minimum peak EIRP (dBm) for UL-MIMO, UE maximum power limits, and UE spherical coverage may be defined for each band.
- a measurement period may be at least one subframe (1 ms).
- a channel bandwidth for UL-MIMO and a UE maximum power for modulation may be defined for each power class (PC).
- PC power class
- output power dynamics for UL-MIMO minimum output power, transmit OFF power, transmit ON/OFF time mask, and power control for UL-MIMO may be applied.
- Each of the first to fourth antennas ANT1 to ANT4 may be configured as an array antenna.
- 2x2 MIMO can be implemented using two antennas connected to the first power amplifier 1210 and the second power amplifier 1220 among the four antennas.
- 2x2 UL MIMO (2 Tx) may be performed through the uplink (UL).
- the 5G communication system is implemented with 1 Tx, only one of the first and second power amplifiers 1210 and 1220 needs to operate in the 5G band.
- the 5G communication system is implemented as 4Tx, an additional power amplifier operating in the 5G band may be further provided.
- a transmission signal may be branched in each of one or two transmission paths, and the branched transmission signal may be connected to a plurality of antennas.
- FIG. 3A and 3B are diagrams illustrating a mobile terminal 100 that can be changed in size.
- FIG. 3A is a front view of the mobile terminal 100 in a first state and a second state
- FIG. 3B is a rear view illustrating the first state and the second state of the mobile terminal 100 .
- the mobile terminal 100 includes frames 101 and 102 that slide and move so that the size can be changed.
- the frame includes a first frame 101 and a second frame 102 that slides relative to the first frame 101, and when the second frame 102 moves in the first direction D1, the mobile terminal ( When 100) is switched to the expanded state (second state) and the second frame 102 is moved in the second direction opposite to the first direction, the mobile terminal 100 is converted to the contracted state (first state).
- the movement of the second frame 102 is relative to the first frame 101 .
- the second frame 102 is the reference, when the first frame 101 slides in the second direction D2, the mobile terminal 100 switches to the extended second state, and the first frame 101 When the mobile terminal 100 slides in the first direction D1, the mobile terminal 100 is converted to the contracted first state.
- the user holds the second frame 102 located at the lower side, so that the first frame 101 from the user's point of view This upward movement can be recognized as the mobile terminal 100 is extended upwards.
- the direction in which the mobile terminal 100 and its display 151 are extended or enlarged is the first direction D1, and the second state is contracted to be switched from the second state to the first state (contact or retract).
- a reduced direction is referred to as a second direction
- a direction perpendicular to the first and second directions is referred to as a third and fourth direction.
- the first and second directions are vertical and the third and fourth directions are described based on the horizontal direction, but depending on the arrangement of the mobile terminal 100 , the first and second directions may be horizontal, , the third and fourth directions may be vertical directions.
- FIGS. 3A and 3B (a) show a first state in a contracted state
- FIGS. 3A (b) and 3B (b) show a second state in an expanded state. Even in a state in which the second frame 102 moves in the first direction and expands, the first frame 101 and the second frame 102 include overlapping portions.
- one side of the first frame 101 and the second frame 102 is disposed to surround the other side and may be located outside, and some include a portion where the first frame 101 is located outside. And, some parts may be configured in a form including a part where the second frame 102 is located on the outside.
- the first frame 101 and the second frame 102 When the second frame 102 moves with respect to the first frame 101 and the mobile terminal 100 expands, the first frame 101 and the second frame 102 partially overlap. At least one side of the first frame 101 or the second frame 102 may include a portion that is inside in the contracted state of the mobile terminal 100 and exposed to the outside when the mobile terminal 100 is expanded. A portion of the back and side surfaces of the mobile terminal 100 may be selectively exposed when the mobile terminal 100 is switched to the second state, and may include a portion positioned inside the other member in the first state. The portion exposed to the outside of the second frame of the present embodiment is constant, and the first frame 101 may include a portion always exposed to the outside and a portion selectively exposed.
- the extended front surface of the mobile terminal is covered by the display unit 151 so that the inside of the mobile terminal 100 is not exposed.
- the area of the display unit 151 located in front of the mobile terminal 100 may vary depending on whether the frames 101 and 102 of the mobile terminal 100 are extended.
- the front area of the display unit 151 may have a larger size in the second state than in the first state.
- the display unit 151 is fixed to the front of the first frame 101 and is always positioned on the front side of the mobile terminal 100 regardless of the state of the mobile terminal 100 and the fixed unit 151a and the mobile terminal 100 . It includes a variable portion (151b) positioned on the front or rear depending on whether the expansion.
- the fixing part 151a is coupled to the front side of the first frame 101 of the display unit 151 and is always positioned at the front side to constitute a part of the front part. Since the fixing part 151a is fixed to the first frame 101, the degree of bending does not change and maintains a constant shape.
- the variable portion 151b refers to a portion in which the angle of the curved portion is variable or the position of the curved portion is changed. In the second state of the mobile terminal, the variable part moves to the front so that the front part is positioned at the same time as the fixed part and the variable part.
- the variable part 151b includes a side part positioned in the side direction of the mobile terminal 100 , and the position of the side part changes according to the position of the second frame 102 .
- the area of the area located on the front side and the area located on the back side are different from the side part.
- a portion of the variable portion 151b may be a front portion, and a portion may be a rear portion.
- variable portion 151b is positioned in a first direction with respect to the fixed portions 151a and 151b with respect to the mobile terminal 100, and the end of the variable portion 151b is bent in the rear direction of the mobile terminal 100 and 2 It slides on the back of the frame (102).
- variable portion 151b of the display unit 151 is coupled to a slide frame 103 guiding the slide movement on the rear surface of the second frame 102 , and the slide frame 103 is the second frame 102 .
- the slide frame 103 is the second frame 102 .
- the display unit may use the flexible display unit 151 that is bent so that the variable unit 151b of the display unit 151 can move to the front or rear side.
- the flexible display unit 151 is a display unit that can maintain a flat state like a conventional flat panel display, and can be bent, bent, folded, twisted, or curled like paper. It refers to a durable display that is manufactured on a thin and flexible substrate and is not easily broken. It can be bent in a specific direction like paper, and the flexible display unit of the present invention can be arranged so that the curvature can change in the first direction.
- electronic paper is a display technology to which characteristics of general ink are applied, and may differ from conventional flat panel displays in that it uses reflected light. Electronic paper can change information by using a twisted ball or by using electrophoresis using a capsule.
- a state in which the flexible display unit 151 is not deformed eg, a state having an infinite radius of curvature, hereinafter referred to as a basic state
- the display area of the flexible display unit 151 becomes flat.
- the display area may be a curved surface.
- the information displayed in the deformed state may be visual information output on the curved surface.
- Such visual information is implemented by independently controlling the light emission of sub-pixels arranged in a matrix form.
- the unit pixel means a minimum unit for realizing one color.
- the flexible display unit 151 may be combined with a touch sensor to implement a flexible touch screen.
- the controller 180 (refer to FIG. 1 ) may perform a control corresponding to the touch input.
- the flexible touch screen may be configured to sense a touch input not only in the basic state but also in the deformed state.
- the touch sensor senses a touch (or touch input) applied to the touch screen by using at least one of various touch methods such as a resistive method, a capacitive method, an infrared method, an ultrasonic method, and a magnetic field method.
- various touch methods such as a resistive method, a capacitive method, an infrared method, an ultrasonic method, and a magnetic field method.
- the touch sensor may be configured to convert a change in pressure applied to a specific part of the touch screen or a change in capacitance occurring in a specific part of the touch screen into an electrical input signal.
- the touch sensor may be configured to detect a position, an area, a pressure at the time of touch, capacitance at the time of touch, and the like where a touch object applying a touch on the touch screen is touched on the touch sensor.
- the mobile terminal 100 may be provided with a deformation detection means for detecting the deformation of the flexible display unit 151 .
- a deformation detection means may be included in the sensing unit 140 (refer to FIG. 2A).
- the deformation detecting means may be provided in the flexible display unit 151 or the case (first and second frames 101 and 102 to be described later) to detect information related to deformation of the flexible display unit 151 .
- the information related to the deformation may be a direction in which the flexible display unit 151 is deformed, a deformed degree, a deformed position, a deformed time, and an acceleration at which the deformed flexible display unit 151 is restored.
- the flexible display unit 151 may be a variety of detectable information due to the bending.
- the controller 180 changes information displayed on the flexible display unit 151 based on the information related to the deformation of the flexible display unit 151 sensed by the deformation detecting means, or the mobile terminal 100. It is possible to generate a control signal to control the function of
- the deformation of the flexible display unit 151 may vary depending on the positions of the first frame 101 and the second frame 102 . As shown in FIG. 3A , since the bent position of the flexible display unit 151 is determined according to the positions of the first frame 101 and the second frame 102 , instead of the deformation detecting means of the flexible display unit 151 , the first Depending on the positions of the frame 101 and the second frame 102 , the bending position and the front area of the flexible display unit 151 may be calculated.
- the change of state (first or second state) of the flexible display unit 151 that is, the size change of the display unit 151 in the front and rear of the mobile terminal 100 according to the size change of the mobile terminal 100, It may be performed manually by a force applied by a user, but is not limited to such a manual method.
- the mobile terminal 100 or the flexible display unit 151 may be transformed into a second state by a command from a user or an application without an external force applied by the user.
- the mobile terminal 100 may include a driving unit 200 to be described later.
- the flexible display unit 151 of the present invention is bent 180 degrees while being wrapped around the side of the mobile terminal 100 in the first direction. Accordingly, based on the side of the mobile terminal 100 , a part of the flexible display unit 151 is disposed on the front side of the mobile terminal 100 , and the other part of the flexible display unit 151 is located on the rear surface of the mobile terminal 100 . are placed
- the flexible display unit 151 located at the front is referred to as a front side
- the flexible display unit 151 located at the rear side is referred to as a back side.
- the mobile terminal may be expanded in a first direction or contracted in a second direction opposite to the first direction. In this case, the area of the flexible display unit 151 located in the front changes. That is, the sizes of the front part and the rear part may vary according to a change in the state of the mobile terminal.
- the flexible display unit 151 may be wound or unwound from the side of the mobile terminal in the first direction, and accordingly, by moving a portion disposed on the rear surface of the mobile terminal 100, the flexible display unit 151 The size of the area disposed in front of the mobile terminal 100 may be adjusted. Since the area of the flexible display unit 151 is fixed and it is composed of one continuous body, when the area of the front portion increases, the area of the rear portion decreases.
- Such a display unit 151 may be wound in a second frame 102 that is relatively movable to a first frame 101 to be described later, precisely on the side of the second frame 102 in the first direction,
- the second frame 102 is wound around the second frame 102 according to the moving direction of the second frame 102 to adjust the area of the display unit 151 on the front of the mobile terminal 100 and withdrawn from the second frame 102 . or pulled out) or inserted or pushed into it.
- variable portion 151b Since the variable portion 151b is flexible, a support structure is required on the rear surface to maintain a flat state. In order to support the rear surface of the variable portion 151b, a rolling hinge capable of being bent along with the bending deformation of the variable portion 151b, and capable of maintaining a flat state of the variable portion 151b may be further provided.
- the rolling hinge 104 is located on the rear surface of the variable portion 151b of the display unit 151 and is bent in the first direction, but is not bent in the third direction perpendicular to the first direction and is supported so as to maintain a flat surface.
- the rolling hinge 104 includes a plurality of support bars extending in the third direction, the support bars are arranged side by side in the first direction, and the rolling hinge 104 is formed together with the variable part 151b through an angle change between the support bars.
- Both ends of the support bar move along the slide rail formed on the second frame 102 and may include slide hooks for guiding the movement of the display unit 151 .
- the rolling sheet positioned between the support bar and the display unit 151 may include a cuff pattern composed of a plurality of slits extending in the third direction to facilitate deformation in the first direction.
- a cuff pattern composed of a plurality of slits extending in the third direction to facilitate deformation in the first direction.
- slits extending in the third direction are displaced, and deformation in the third direction is limited, but only bending deformation in the first direction is allowed.
- the second frame 102 may include a roll bracket 1028 (see FIG. 6 ) having a curved surface therein.
- the position of the roll bracket 1028 is not limited, but the roll bracket 1028 may be disposed at the end of the second frame 102 in the first direction in order to provide a screen of the maximum size on the front side.
- the roll bracket 1028 may include a curved surface so that the display unit 151 can be wound and may have a bar shape extending in a third direction perpendicular to the first direction.
- a side frame 1024 disposed at an end of the second frame 102 in the first direction may be included.
- FIG. 4A is a side cross-sectional view according to an embodiment of the present invention, illustrating a cross-section A-A and a cross-section B-B of FIG. 3B.
- Fig. 4B is a rear view showing the inner part in a second state of the embodiment of Fig. 4A;
- This embodiment shows an embodiment in which the battery 191 is mounted on the first frame 101 .
- the battery 191 is located between the first front portion 1011 and the first rear portion 1012 of the first frame 101, and the space open under the first rear portion 1012 in the second state is It may be covered through the rear cover 1025 .
- the type of electronic component mounted on the second frame 102 is It is limited to about an antenna and a user input unit 123 or a coil antenna 114 on the rear side, and the battery 191 and the main board 181 are together in the first frame 101 to connect each component to the signal connection unit 185b. This has the advantage of being more concise.
- an empty space is formed under the battery 191 when the mobile terminal 100 is switched to the second state.
- the second frame 102 surrounding the front and rear of the battery 191 moves in the first direction and supports the rear surface of the variable part 151b that has moved to the front.
- a large force is applied to the front surface of the second frame 102 positioned on the rear surface of the variable part 151b as an empty space in the second state, bending deformation may occur.
- it may further include a support link 220 that is spread from the extended portion. The support link 220 is folded in the first state to minimize the mounting space, and in the second state to reinforce the rigidity of the expanded portion.
- the driving unit 200 is located in the first direction relative to the battery 191 , and guides the sliding movement between the first frame 101 and the second frame 102 . can do.
- the driving motor 201 is located in the first frame 101
- the rack gear 203 is located in the second frame 102
- the rack gear 203 and the second frame 102 are first It moves in a first direction with respect to the frame 101 .
- the motor 201 is the first frame 101 and the rack gear 203 is the second frame 102 . can be located in
- FIG. 4C is another embodiment of cross-sectional views taken along lines A-A and B-B of FIG. 3A
- FIG. 4D is an exploded perspective view of the embodiment of FIG. 4C .
- the first frame 101 is located in front of the mobile terminal 100 and includes a first front portion 1011 to which the fixing portion 151a of the display unit 151 is coupled, and is located at the rear of the mobile terminal 100 . and a first rear portion 1012 positioned thereon.
- the first rear portion 1012 may include a first rear surface 1012a that is always exposed to the outside and a second rear surface 1012b that is exposed to the outside only in an expanded state. As shown in FIG. 3 , the second rear surface 1012b is covered by the rear cover 1025 of the second frame 102 in the first state and is not exposed to the outside, and is exposed to the outside in the second state.
- the second frame 102 includes a second front portion 1021 positioned at the front and a second rear portion 1022 positioned at the rear of the mobile terminal 100 .
- the second front part 1021 is located on the rear surface of the first front part 1011 in the first state, and is drawn out from the first front part 1011 in the first direction in the second state.
- the display unit 151 is not fixedly coupled to the second frame 102 , but may have a variable position on the second frame 102 according to the sliding movement of the second frame 102 .
- the variable part 151b of the display unit 151 is positioned on the back and side surfaces of the second frame in the first state of the mobile terminal 100, and the variable part 151b positioned on the rear surface in the second state is the second frame. move to the front
- the second front portion 1022 supports the variable portion 151b moved forward in the second state, and the second rear portion 1022 supports the variable portion 151b moved backward in the first state.
- the slide frame 103 coupled to the end of the display unit 151 to slide the display unit 151 moves on the rear surface of the second rear unit 1022 .
- the display unit 151 coupled to the slide frame 103 is a moving unit that slides according to the movement of the slide frame 103 , and is always disposed to face the rear direction of the mobile terminal 100 . Since the moving unit does not move to the front, the front area of the display unit 151 is limited, and the variable unit 151b that has moved to the front can be fixed to maintain a flat state.
- the second frame 102 may further include a rear cover 1025 that covers the variable portion 151b positioned on the rear surface of the second rear portion 1022 .
- the rear cover 1025 may prevent the rear portion of the display unit 151 from being directly exposed to the outside.
- the second rear portion 1022 may include a guide member (not shown) for guiding the slide movement of the slide frame 103 moving on the rear surface of the second rear portion 1022, and the rear cover 1025 is a guide The member may be covered so as not to be exposed to the outside.
- the back cover 1025 may be made of an opaque material, and may include a light-transmitting material.
- the light-transmitting rear cover 1025 may provide information to the user by utilizing the display unit 151 located on the rear surface in the first state.
- a preview image of the camera may be viewed through the display unit 151 located on the rear side.
- an alarm or the like may be provided through the display unit 151 located on the rear surface.
- the second rear portion 1022 may be visually exposed through the rear cover 1025, so that the inside is visible only when the display unit 151 is turned on, that is, light is emitted from the inside.
- a coating (tinting) can be applied to lower the transmittance.
- the rear cover 1025 may extend in the second direction from the portion covering the rear portion of the display unit to cover the second rear surface 1012b of the first frame 101 . As shown in (a) of FIG. 3B , it covers the second rear surface 1012b in the first state together with the first rear surface 1012a in the first state, and may form the rear exterior of the mobile terminal 100 . .
- the second rear surface 1012b is exposed as the rear surface. At least a portion of the second rear surface 1012b and the rear cover 1025 overlaps even in the second state as shown in FIG. 4C (b) so that the components inside the mobile terminal 100 are not exposed.
- the second rear surface 1012b of the present invention and the rear surface portion 151b of the display unit do not overlap and may be disposed adjacent to each other in the first direction.
- the second rear surface 1012b and the display unit 151 are overlapped with each other, the second rear surface 1012b is the mobile terminal ( 100) It must be drawn inside.
- the mounting space inside the first frame 101 is reduced, and the step difference between the first rear surface 1012a and the second rear surface 1012b is large, so that a sense of heterogeneity can be felt when the user holds the extended mobile terminal 100. have.
- the display unit 151b and the second rear part 1022 are respectively disposed in the vertical direction, and the portion extended and exposed to the outside in the second state and the display unit 151 in the first state are positioned.
- the portion may be separated in a first direction.
- the extended portion of the rear cover 1025 that covers the second rear surface 1012a in the first state covers the internal parts exposed as the second rear portion 1022 moves in the second state.
- the second rear surface covers the rear surface of the first frame 101 exposed as the rear cover 1025 moves, and the length in the first direction of the second rear surface 1012b is greater than or equal to the movement distance of the second frame 102 .
- the mobile terminal 100 of the present invention includes frames 101 and 102 on which components are mounted, and the frames 101 and 102 of the present invention can be changed in size in the first direction as shown in FIG. 2 . . At least one or more frames 101 and 102 may move relatively and have different sizes in the first direction.
- the frames 101 and 102 have electronic components mounted therein and the flexible display unit 151 positioned outside.
- the flexible display unit 151 can be coupled to cover the front and rear surfaces of the frames 101 and 102 .
- the frame may include a first frame 101 and a second frame 102 moving in a first direction with respect to the first frame 101 .
- the first frame 101 and the second frame 102 include a front portion, a rear portion and a side portion, and are coupled to each other.
- the first frame 101 corresponds to the main body of the mobile terminal 100 and may form a space for accommodating various parts between the first front part 1011 and the first rear surface 1012a.
- the first frame 101 may accommodate the second frame 102 movably coupled to the first frame 101 in such a space.
- the first frame 101 is disposed in front of the mobile terminal 100, the first front portion 1011 supporting the front portion of the display unit 151, and disposed in the rear of the mobile terminal, various parts It may include a first rear surface 1012 on which this is mounted.
- the first front portion 1011 and the first rear portion 1012 may be spaced apart from each other at a predetermined distance to form a predetermined space, and the first side portion (1013) can be connected to each other.
- the first side portion 1013 may be formed integrally with the first rear portion 1012 or the first front portion 1011 .
- a camera 121 , a sound output unit 152 , an input/output terminal, and a control unit 180 may be accommodated as components of the mobile terminal 100 in the space within the first frame 101 .
- the controller 180 may be a main board 181 including a processor and an electronic circuit for controlling the operation of the mobile terminal 100 .
- the battery 191 occupies the largest area of the mobile terminal 100 .
- the capacity of the battery 191 becomes more important. Since the space occupied by the battery 191 is large but also has a large weight, the center of gravity of the mobile terminal 100 may change according to the location of the battery 191 .
- the movement of the center of gravity when the mobile terminal 100 is expanded can be minimized.
- the center of gravity appears almost similar to the sliding movement distance of the frames 101 and 102, but in this embodiment, the weight of the first frame 101 and the second The center of gravity may be located in the middle part of the expanded state dispersed in the frame 102 .
- the embodiment of FIG. 4C As in the embodiment of FIG.
- variable part 151b when the battery 191 is located in the first frame 101, the inside of the second frame 102 is empty in the expanded state of the mobile terminal 100, so the variable part 151b There is a problem in that the back support of the The support bar and the second front portion 1021 of the rolling hinge 104 located on the rear surface of the variable portion 151b may support the variable portion 151b, but the support force is limited and bending when a large force is applied to the front surface. Deformation may occur.
- a battery 191 is disposed between the second front portion 1021 and the second rear portion 1022 of the second frame 102 , and the rear surface of the variable portion 151b moved to the front of the mobile terminal 100 . can support When the battery 191 is positioned on the rear surface of the second front part 1021 , the variable part 151b moved forward may maintain a flat state.
- the side portion of the first frame 101 may include a first side surface 1013a that is always exposed and a second side surface 1013b that is selectively exposed.
- the second side portion 1023 constituting the side surface of the second frame 102 covers the second side surface 1013b in the first state, and exposes the second side surface 1013b in the second state.
- the second side surface 1013b may be positioned only on a portion exposed to the outside in the second state, and a section overlapping with the second side portion 1023 of the second frame 102 may be minimized.
- the inner space of the second side portion 1023 that does not overlap the second side surface 1013b is the guide rails 231 and 232 for guiding the sliding movement of the frames 101 and 102, or parts of the second frame 102.
- Auxiliary substrates 183a and 183b connected to the substrate may be disposed.
- the first side surface 1013a and the second side surface 1013b are positioned between the first front part 1011 and the first rear surface 1012a and the second rear surface 1012b and form an internal space of the first frame 101 . And, since the first side 1013a is always exposed to the outside, an antenna or the like can be implemented.
- the second side 1013b may be provided with a SIM card tray insertion hole 162 that does not always need to be exposed.
- the second side portion 1023 forms a component mounting space inside together with the second front portion 1021 and the second rear portion 1022 , and forms the exterior of the mobile terminal 100 like the rear cover 1025 .
- the second side 1023 may have the same height as the rear cover 1025 as shown in FIG. 3A .
- a front bezel 1014 covering the front circumference of the display unit 151 may be further included. The front bezel 1014 fixes the ends of the display unit 151 to the first frame 101 and the second frame 102 .
- the front bezel 1014 may include a first bezel adjacent to the first side 1013a of the first frame and a second bezel adjacent to the second side 1023 of the second frame.
- first bezel and the second bezel are connected as shown in (a) of FIG. 3A, and in the second state, they may be spaced apart as in (b) of FIG. 3B.
- a 5G wireless communication system that is, 5G new radio access technology (NR) may be provided.
- NR 5G new radio access technology
- massive MTC Machine Type Communications
- communication system design considering reliability and latency sensitive service/terminal is being discussed.
- NR is an expression showing an example of 5G radio access technology (RAT).
- RAT 5G radio access technology
- a new RAT system including NR uses an OFDM transmission scheme or a similar transmission scheme.
- the new RAT system may follow OFDM parameters different from those of LTE.
- the new RAT system may follow the existing numerology of LTE/LTE-A, but may have a larger system bandwidth (eg, 100 MHz).
- one cell may support a plurality of numerologies. That is, terminals operating in different numerology may coexist in one cell.
- FIG. 5A shows an example of a frame structure in NR.
- FIG. 5B shows a change in the slot length according to a change in the subcarrier spacing in NR.
- An NR system can support multiple numerologies.
- the numerology may be defined by subcarrier spacing and CP (Cyclic Prefix) overhead.
- CP Cyclic Prefix
- a plurality of subcarrier spacings may be derived by scaling the basic subcarrier spacing by an integer N (or ⁇ ).
- N or ⁇
- the numerology used can be selected independently of the frequency band.
- various frame structures according to a number of numerologies may be supported.
- OFDM Orthogonal Frequency Division Multiplexing
- NR supports multiple numerology (or subcarrier spacing (SCS)) to support various 5G services. For example, when SCS is 15kHz, it supports wide area in traditional cellular bands, and when SCS is 30kHz/60kHz, dense-urban, lower latency and a wider carrier bandwidth, and when the SCS is 60 kHz or higher, a bandwidth greater than 24.25 GHz to overcome phase noise.
- SCS subcarrier spacing
- the NR frequency band is defined as a frequency range of two types (FR1, FR2).
- FR1 is the sub 6GHz range
- FR2 is the above 6GHz range, which may mean a millimeter wave (mmW).
- mmW millimeter wave
- Table 2 below shows the definition of the NR frequency band.
- 3A is an example of SCS of 60 kHz, and one subframe may include four slots.
- 1 subframe ⁇ 1,2,4 ⁇ slots shown in FIG. 3 is an example, and the number of slot(s) that can be included in 1 subframe may be 1, 2, or 4.
- the mini-slot is It may contain 2, 4 or 7 symbols or may contain more or fewer symbols.
- 5B shows the subcarrier spacing of 5G NR phase I and the OFDM symbol length accordingly.
- Each subcarrier interval is extended by a power of 2, and the symbol length is reduced in inverse proportion to this.
- subcarrier spacings of 15 kHz, 30 kHz and 60 kHz are available depending on the frequency band/bandwidth.
- 60 kHz and 120 kHz can be used for the data channel, and 240 kHz can be used for the synchronization signal.
- a basic unit of scheduling is defined as a slot, and the number of OFDM symbols included in one slot may be limited to 14 as shown in FIG. 3A or 3B regardless of subcarrier spacing.
- the length of one slot is shortened in inverse proportion to reduce transmission delay in a radio section.
- scheduling in units of minislots eg, 2, 4, 7 symbols
- the slots in 5G NR described herein may be provided at the same interval as the slots of 4G LTE or may be provided as slots of various sizes.
- the slot interval in 5G NR may be configured as 0.5 ms, which is the same as the slot interval of 4G LTE.
- the slot interval in 5G NR may be configured as 0.25 ms, which is a narrower interval than the slot interval of 4G LTE.
- the 4G communication system and the 5G communication system may be referred to as a first communication system and a second communication system, respectively.
- the first signal (first information) of the first communication system may be a signal (information) in a 5G NR frame with a slot interval scalable to 0.25 ms, 0.5 ms, or the like.
- the second signal (second information) of the second communication system may be a signal (information) in a 4G LTE frame with a fixed slot interval of 0.5 ms.
- the first signal of the first communication system may be transmitted and/or received through a maximum bandwidth of 20 MHz.
- the second signal of the second communication system may be transmitted and/or received through a variable channel bandwidth from 5 MHz to 400 MHz.
- the first signal of the first communication system may be FFT-processed with a single sub-carrier spacing (Sub-Carrier Spacing, SCS) of 15 KHz.
- SCS Sub-Carrier Spacing
- the second signal of the second communication system may be FFT-processed at subcarrier intervals of 15 kHz, 30 kHz, and 60 kHz according to the frequency band/bandwidth.
- the second signal of the second communication system may be modulated and frequency-converted to the FR1 band and transmitted through the 5G Sub6 antenna.
- the FR1 band signal received through the 5G Sub6 antenna may be frequency-converted and demodulated.
- the second signal of the second communication system may be IFFT-processed at subcarrier intervals of 15 kHz, 30 kHz, and 60 kHz according to the frequency band/bandwidth.
- the second signal of the second communication system may be FFT-processed at subcarrier intervals of 60 kHz, 120 kHz, and 240 kHz according to frequency band/bandwidth and data/synchronization channel.
- the second signal of the second communication system may be modulated to the FR2 band and transmitted through the 5G mmWave antenna.
- the FR2 band signal received through the 5G mmWave antenna can be frequency-converted and demodulated.
- the second signal of the second communication system may be IFFT-processed through subcarrier intervals of 60 kHz, 120 kHz, and 240 kHz according to frequency band/bandwidth and data/synchronization channel.
- 5G NR symbol-level temporal alignment can be used for transmission schemes using various slot lengths, mini-slots, and different subcarrier spacings. Accordingly, it provides flexibility for efficiently multiplexing various communication services such as enhancement mobile broadband (eMBB) and ultra reliable low latency communication (uRLLC) in the time domain and the frequency domain.
- eMBB enhancement mobile broadband
- uRLLC ultra reliable low latency communication
- 5G NR may define uplink/downlink resource allocation at a symbol level within one slot as shown in FIG. 3 .
- HARQ hybrid automatic repeat request
- a slot structure capable of transmitting HARQ ACK/NACK directly within a transmission slot may be defined. Such a slot structure may be referred to as a self-contained structure.
- 5G NR can support a common frame structure constituting an FDD or TDD frame through a combination of various slots. Accordingly, the transmission direction of an individual cell can be freely and dynamically adjusted according to traffic characteristics by introducing a dynamic TDD scheme.
- the 5G frequency band may be a Sub6 band.
- FIG. 6A is a combined configuration diagram in which a plurality of antennas and transceiver circuits are operable with a processor according to an embodiment.
- FIG. 6B is a configuration diagram in which antennas and transceiver circuits are additionally operable with a processor in the configuration diagram of FIG. 6A .
- FIGS. 6A and 6B it may include a plurality of antennas ANT1 to ANT4 and front-end modules FEM1 to FEM7 operating in a 4G band and/or a 5G band.
- a plurality of switches SW1 to SW6 may be disposed between the plurality of antennas ANT1 to ANT4 and the front end modules FEM1 to FEM7 .
- FIGS. 6A and 6B it may include a plurality of antennas ANT5 to ANT8 and front-end modules FEM8 to FEM11 operating in a 4G band and/or a 5G band.
- a plurality of switches SW7 to SW10 may be disposed between the plurality of antennas ANT1 to ANT4 and the front end modules FEM8 to FEM11 .
- a plurality of signals that may be branched through the plurality of antennas ANT1 to ANT8 may be transmitted to the inputs of the front end modules FEM1 to FEM11 or the plurality of switches SW1 to SW10 through one or more filters.
- the first antenna ANT1 may be configured to receive a signal in a 5G band.
- the first antenna ANT1 may be configured to receive the second signal of the second band B2 and the third signal of the third band B3 .
- the second band B2 may be an n77 band
- the third band B3 may be an n79 band, but the limitation thereto may be changed according to an application.
- the first antenna ANT1 may operate as a transmit antenna in addition to a receive antenna.
- the first switch SW1 may be configured as an SP2T switch or an SP3T switch. When implemented as an SP3T switch, one output port can be used as a test port. Meanwhile, the first and second output ports of the first switch SW1 may be connected to an input of the first front end module FEM1 .
- the second antenna ANT2 may be configured to transmit and/or receive signals in a 4G band and/or a 5G band.
- the second antenna ANT2 may be configured to transmit/receive the first signal of the first band B1 .
- the first band B1 may be an n41 band, but the limitation thereto may be changed according to an application.
- the second antenna ANT2 may operate in the low band LB.
- the second antenna ANT2 may be configured to operate in a medium band (MB) and/or a high band (HB).
- MB medium band
- HB high band
- MHB middle band
- MHB high band
- a first output of the first filter bank FB1 connected to the second antenna ANT2 may be connected to the second switch SW2 . Meanwhile, the second output of the first filter bank FB1 connected to the second antenna ANT2 may be connected to the third switch SW3 . Also, the third output of the first filter bank FB1 connected to the second antenna ANT2 may be connected to the fourth switch SW4 .
- the output of the second switch SW2 may be connected to the input of the second front end module FEM2 operating in the LB band.
- the second output of the third switch SW3 may be connected to the input of the third front end module FEM3 operating in the MHB band.
- the first output of the third switch SW3 may be connected to the input of the fourth front end module FEM4 operating in the 5G first band B1 .
- the third output of the third switch SW3 may be connected to the input of the fifth front-end module FEM5 operating in the MHB band operating in the 5G first band B1.
- the first output of the fourth switch SW4 may be connected to the input of the third switch SW3 .
- the second output of the fourth switch SW4 may be connected to the input of the third front end module FEM3 .
- the third output of the fourth switch SW4 may be connected to the input of the fifth front end module FEM5 .
- the third antenna ANT3 may be configured to transmit and/or receive signals in the LB band and/or the MHB band.
- a first output of the second filter bank FB2 connected to the second antenna ANT2 may be connected to an input of the fifth front-end module FEM5 operating in the MHB band.
- the second output of the second filter bank FB2 connected to the second antenna ANT2 may be connected to the fifth switch SW5 .
- the output of the fifth switch SW5 may be connected to the input of the sixth front end module FEM6 operating in the LB band.
- the fourth antenna ANT4 may be configured to transmit and/or receive signals in a 5G band.
- the fourth antenna ANT4 may be configured to perform frequency multiplexing (FDM) on the second band B2 as the transmission band and the third band B3 as the reception band.
- FDM frequency multiplexing
- the second band B2 may be an n77 band
- the third band B3 may be an n79 band, but the limitation thereto may be changed according to an application.
- the fourth antenna ANT4 may be connected to the sixth switch SW6 , and one output of the sixth switch SW6 may be connected to the receiving port of the seventh front end module FEM7 . Meanwhile, the other one of the outputs of the sixth switch SW6 may be connected to a transmission port of the seventh front-end module FEM7.
- the fifth antenna ANT5 may be configured to transmit and/or receive a signal in a WiFi band.
- the fifth antenna ANT5 may be configured to transmit and/or receive a signal in the MHB band.
- the fifth antenna ANT5 may be connected to the third filter bank FB3 , and the first output of the third filter bank FB3 may be connected to the first WiFi module WiFi FEM1 . Meanwhile, the second output of the third filter bank FB3 may be connected to the fourth filter bank FB5. In addition, the first output of the fourth filter bank (FB5) may be connected to the first WiFi module (WiFi FEM1). Meanwhile, the second output of the fourth filter bank FB5 may be connected to the eighth front-end module FEM8 operating in the MHB band through the seventh switch SW7 . Accordingly, the fifth antenna ANT5 may be configured to receive the WiFi band and 4G/5G band signals.
- the sixth antenna ANT6 may be configured to transmit and/or receive signals in a WiFi band.
- the sixth antenna ANT6 may be configured to transmit and/or receive a signal in the MHB band.
- the sixth antenna ANT6 may be connected to the fifth filter bank FB5 , and the first output of the fifth filter bank FB5 may be connected to the second WiFi module WiFi FEM2 . Meanwhile, the second output of the fifth filter bank FB5 may be connected to the sixth filter bank FB6 . In addition, the first output of the sixth filter bank (FB5) may be connected to the second WiFi module (WiFi FEM2). Meanwhile, the second output of the sixth filter bank FB5 may be connected to the ninth front-end module FEM9 operating in the MHB band through the eighth switch SW8. Accordingly, the sixth antenna ANT6 may be configured to receive the WiFi band and 4G/5G band signals.
- the baseband processor 1400 may control the antenna and the transceiver circuit 1250 to perform multiple input/output (MIMO) or diversity in the MHB band.
- MIMO multiple input/output
- the adjacent second antenna ANT2 and the third antenna ANT3 may be used in the diversity mode for transmitting and/or receiving the same information as the first signal and the second signal.
- antennas disposed on different sides may be used.
- the baseband processor 1400 may perform MIMO through the second antenna ANT2 and the fifth antenna ANT5 .
- the baseband processor 1400 may perform MIMO through the second antenna ANT2 and the sixth antenna ANT6 .
- the seventh antenna ANT7 may be configured to receive a signal in a 5G band.
- the seventh antenna ANT7 may be configured to receive the second signal of the second band B2 and the third signal of the third band B3 .
- the second band B2 may be an n77 band
- the third band B3 may be an n79 band, but the limitation thereto may be changed according to an application.
- the seventh antenna ANT7 may operate as a transmit antenna in addition to a receive antenna.
- the ninth switch SW9 may be configured as an SP2T switch or an SP3T switch. When implemented as an SP3T switch, one output port can be used as a test port. Meanwhile, the first and second output ports of the ninth switch SW9 may be connected to an input of the tenth front-end module FEM10 .
- the eighth antenna ANT8 may be configured to transmit and/or receive signals in a 4G band and/or a 5G band.
- the eighth antenna ANT8 may be configured to transmit/receive a signal of the second band B2.
- the eighth antenna ANT8 may be configured to transmit/receive a signal of the third band B2.
- the second band B2 may be an n77 band
- the third band B3 may be an n79 band, but the limitation thereto may be changed according to an application.
- the eighth antenna ANT8 may be connected to the eleventh front end module FEM11 through the tenth switch SW10.
- the plurality of antennas ANT1 to ANT8 may be connected to an impedance matching circuit MC1 to MC8 to operate in a plurality of bands.
- the variable element may be a variable capacitor configured to change the capacitance by varying the voltage.
- the two or more variable elements may be two or more variable capacitors or a combination of a variable inductor and a variable capacitor.
- the baseband processor 1400 may perform MIMO through at least one of a second band B2 and a third band B3 among 5G bands.
- the baseband processor 1400 may be configured to operate via two or more of the first antenna ANT1 , the fourth antenna ANT4 , the seventh antenna ANT7 , and the eighth antenna ANT8 in the second band B2 . MIMO can be performed.
- the baseband processor 1400 performs MIMO through at least two of the first antenna ANT1, the fourth antenna ANT4, the seventh antenna ANT7, and the eighth antenna ANT8 in the third band B3. can be done Accordingly, the baseband processor 1400 may control the plurality of antennas and the transceiver circuit 1250 to support MIMO up to 4RX as well as 2RX in the 5G band.
- FIG. 7A and 7B are views illustrating internal parts of the mobile terminal 100 in a first state and a second state. 8 shows a first state and FIG. 9 shows a second state by removing the display unit 151 and the rear parts 1012 and 1022 and the rear cover 1025 that cover the rear surface of the mobile terminal 100 .
- the main board 181 , the battery 191 , the cameras 121a and 121b , the vibration module 154 , the microphone 122a , the sound output unit 152 , the rack gear 203 of the driving unit 200 , etc. are first It is mounted on the frame 101 .
- the second frame 102 includes a battery 191, a user input unit, a coil antenna 114, an antenna 112 for mobile communication, a microphone 122b, a motor 201 of the driving unit 200, and a pinion gear (not shown). can be mounted.
- a main board 181 is positioned on the first frame 101 , and cameras 121a and 121b mounted on the main board 181 , a vibration module 154 , and interface units 161 and 162 may be disposed.
- the camera may further include a camera 121a facing the front of the mobile terminal 100 in addition to the main camera 121b facing the rear of the mobile terminal 100 .
- a partially deactivated area may be included on the upper portion of the display unit 151 .
- antennas 112a and 112b may be disposed on the main board 181 or a separate board.
- the cable terminal 161 for charging or data transmission may be located on the first side 1013a so that the mobile terminal 100 can be used even in the first state. Since the card mounting unit 162 for mounting the USIM or memory card is not normally detachable, it may be disposed adjacent to the second side surface 1013b that is opened only in the second state.
- a plurality of antennas for mobile communication may be implemented using the first side 1013a. Meanwhile, array antennas 112a and 112b for mmWave signals may be disposed in different areas of the mobile terminal 100 .
- the array antennas 112a and 112b may be disposed to face the top and the rear of the mobile terminal, respectively. Accordingly, the beams of the array antennas 112a and 112b may be formed to face the top and the rear of the mobile terminal, respectively.
- the driving unit 200 providing the force to slide between the first frame 101 and the second frame 102 is a driving motor 201 and a pinion gear (not shown) rotating by receiving the rotational force of the driving motor 201 . ) and a rack gear 203 meshing with the pinion gear to linearly move.
- the driving motor 201 and the rack gear 203 are coupled to different frames, and in this embodiment, the driving motor 201 may be located in the second frame 102 and the rack gear 203 may be located in the pinion gear, but this Conversely, it can also be placed.
- the driving motor 201 is positioned in the second frame 102 for stable driving of the driving motor 201 is positioned in the first frame 101 . It can be operated more stably than when
- the driving unit 200 may be positioned above the battery 191 in order to minimize the length of the short rack gear 203 and ensure stable sliding movement.
- the driving unit 200 positioned above the battery 191 guides the slide movement in the central portion of the mobile terminal 100 in the first direction, so that the driving force can be stably transmitted without being biased to one side.
- the frame 101 and 102 are arranged adjacent to the central part in the third direction of the mobile terminal 100, so that the frames 101 and 102 do not incline during the slide movement and can slide stably. do.
- the rack gear 203 of the driving unit 200 is disposed on the rear surface of the first front portion 1011 to face the rear surface of the mobile terminal 100, so that the second frame 102 is in the first state.
- a slot extending in the first direction may be formed at a position corresponding to the rack gear 203 in the first front part 1011 to be positioned.
- the rack gear 203 overlaps the battery 191 mounted on the second frame 102
- the rack gear 203 moves in the second direction along the first frame 101 and expands to empty. can be located in space.
- the components are dispersed in the first frame 101 and the second frame 102, so the center of gravity is stable and the battery 191 has the advantage of supporting the variable portion 151b of the display unit, but the first A signal connection unit 185b connecting between the component mounted on the frame 101 and the component mounted on the second frame 102 is required.
- the signal connection unit 185b includes an electrical signal and a power source of the battery 191 , and a material that can be deformed according to the movement of the frame may be used.
- the signal connection unit 185b may be configured using a flexible substrate (FPCB) or a coaxial cable, and since noise is generated when an antenna signal is influenced by an external source, a coated coaxial cable may be used.
- FPCB flexible substrate
- coaxial cable since noise is generated when an antenna signal is influenced by an external source, a coated coaxial cable may be used.
- the signal connection unit 185b may be bent between the first frame 101 and the second frame 102 .
- the curvature of the bent portion is small, and if the position of the bent portion is changed according to the movement of the frame, there may be a problem in durability.
- the signal connection part 185b of the present invention is overlapped in the first direction of the mobile terminal 100 in the first state, and the bent part of the signal connection part is spread apart in the second state and the angle may be changed.
- the electronic device of FIGS. 7A and 7B may be a terminal whose size varies as one frame moves in different directions with respect to the other frame.
- the electronic device may be switched between an expanded state in which the size is expanded (a first state) and a contracted/reduced state in which the size is contracted/reduced (a second state).
- a specific module in the electronic device, may be exposed to the outside or the display may be extended.
- the extended state the first state
- a partial area of the display may be exposed to the outside.
- the display may include a first area 151a exposed to the front in the contracted state and a second area 151b as an extended area exposed to the front in the expanded state.
- the display 151 is fixed to the front of the first frame 101 and includes a fixing unit 151a that is always positioned on the front of the mobile terminal 100 regardless of the state of the mobile terminal 100 .
- the display 151 further includes a variable part 151b positioned on the front or rear side according to whether the mobile terminal 100 is expanded.
- the fixed part 151a and the variable part 151b may be referred to as a first region 151a and a second region 151b, respectively.
- the first region 151a corresponding to the fixing part 151a may be exposed on the front surface of the rollable device. Accordingly, a mode in which the first area 151a is exposed on the front surface of the rollable device may be referred to as a first mode (basic mode). Also, in the expanded state (first state), the first region 151a and the second region 151b corresponding to the fixed part 151a and the variable part 151b may be exposed on the front surface of the rollable device. Accordingly, a mode in which the first area 151a and the second area 151b are exposed on the front surface of the rollable device may be referred to as a second mode (expansion mode).
- a mobile terminal having a variable size including a plurality of antennas according to an embodiment provided with a multiple transmission/reception system as shown in FIGS. 2B, 6A and 6B will be described below. do.
- FIG. 8A shows a structure in which a plurality of antennas are disposed on a metal edge of an electronic device.
- FIG. 8A shows a structure in which a plurality of LTE/5G Sub6 antennas and WiFi antennas are disposed on a metal edge of an electronic device.
- a plurality of mmWave antenna modules may be disposed inside the electronic device.
- 8B shows a configuration in which the side PCBs disclosed in this specification are connected to the main PCB through the FPCB and the auxiliary PCB.
- the first frame 101 in a mode in which the first area 151a is exposed on the front of the rollable device, the first frame 101 is the second frame 102 in the first mode (basic mode). ), so it can be referred to as a closed state.
- FIGS. 7B and 8A the mode in which the first area 151a and the second area 151b are exposed on the front of the rollable device is shown in the first frame 101 in the second mode (expansion mode). ) may be referred to as an open state by being spaced apart from the second frame 102 by a predetermined distance.
- the plurality of antennas may be configured to include a first antenna ANT1 and a second antenna ANT2 disposed under the mobile terminal.
- the first antenna ANT1 and the second antenna ANT2 are not limited to an antenna disposed below.
- antennas disposed on the upper part of the electronic device may be referred to as a first antenna ANT1 and a second antenna ANT2 .
- the first antenna ANT1 and the second antenna ANT2 may be referred to as lower side antennas.
- the first antenna ANT1 and the second antenna ANT2 may be disposed on one side and the other side of the second metal housing 1020 , respectively.
- some regions of the first antenna ANT1 and the second antenna ANT2 may be respectively disposed on one side and the other side of the first metal housing 1010 .
- the plurality of antennas may include first antennas ANT1 and 1110 and second antennas ANT2 and 1120 disposed on the lower and side surfaces of the mobile terminal.
- the plurality of antennas may further include third antennas ANT3 and 1130 and fourth antennas ANT4 and 1140 disposed on a side surface of the mobile terminal. Accordingly, the first antennas ANT1 to ANT4 may be referred to as lower side antennas.
- the plurality of antennas may be configured to further include a fifth antenna ANT5 to an eighth antenna ANT8 disposed on an upper portion of the mobile terminal. Accordingly, the fifth antennas ANT5 to ANT8 may be referred to as upper side antennas. In addition, the plurality of antennas may be configured to further include a ninth antenna ANT9 to an eleventh antenna ANT10 disposed inside the mobile terminal.
- the first antenna ANT1 may be configured to operate in a low band (LB) and an ultra high band (UHB) among LTE/5G bands.
- the second antenna ANT2 may be configured to operate in a mid band (MB) and a high band (HB) of the LTE/5G bands. Accordingly, the first antenna ANT1 may be configured to transmit and/or receive at least one of signals of LB and UHB in LTE/5G bands.
- the second antenna ANT2 may be configured to transmit and/or receive at least one of signals of MB and HB.
- the third antenna ANT3 may be configured to operate in MB and HB of LTE/5G bands.
- the fourth antenna ANT4 may be configured to operate in HB and UHB of LTE/5G bands. Accordingly, the third antenna ANT3 may be configured to transmit and/or receive at least one of signals of MB and HB in the LTE/5G band.
- the fourth antenna ANT4 may be configured to transmit and/or receive at least one of signals of HB and UHB among LTE/5G bands. Accordingly, the MIMO operation may be performed using two or more of the first antennas ANT1 and 1110 to the fourth antennas ANT4 and 1140 disposed on the lower and side surfaces of the mobile terminal.
- a carrier aggregation (CA) operation may be performed using at least one of the first antennas ANT1 and 1110 to the fourth antennas ANT4 and 1140 disposed on the lower and side surfaces of the mobile terminal.
- the MIMO +CA operation may be performed using at least two of the first antennas ANT1 and 1110 to the fourth antennas ANT4 and 1140 disposed on the lower and side surfaces of the mobile terminal.
- the fifth antenna ANT5 may be configured to operate in LB, MB, and HB of LTE/5G bands.
- the sixth antenna ANT6 may be configured to operate in MB and HB of LTE/5G bands. Accordingly, the fifth antenna ANT5 may be configured to transmit and/or receive at least one of signals of LB, MB, and HB in the LTE/5G band.
- the sixth antenna ANT5 may be configured to transmit and/or receive at least one of signals of MB and HB in LTE/5G bands. Accordingly, the MIMO operation may be performed using the fifth antennas ANT5 and 1150 and the sixth antennas ANT6 and 1160 disposed on the top and side surfaces of the mobile terminal.
- the carrier aggregation (CA) operation may be performed using at least one of the fifth antennas ANT5 and 1150 and the sixth antennas ANT6 and 1160 disposed on the top and side surfaces of the mobile terminal.
- the MIMO +CA operation may be performed using the fifth antennas ANT5 and 1150 and the sixth antennas ANT6 and 1160 disposed on the top and side surfaces of the mobile terminal.
- the MIMO operation may be performed using two or more of the first antennas ANT1 and 1110 to the sixth antennas ANT6 and 1160 disposed in different regions (top, bottom, and side) of the mobile terminal.
- a carrier aggregation (CA) operation may be performed using at least one of the first antennas ANT1 and 1110 to the sixth antennas ANT6 and 1160 disposed on the lower and side surfaces of the mobile terminal.
- the MIMO +CA operation may be performed using two or more of the first antennas ANT1 and 1110 to the sixth antennas ANT6 and 1160 disposed on the lower and side surfaces of the mobile terminal.
- the seventh antenna ANT7 may operate as a GPS/WiFi antenna.
- the eighth antenna ANT8 may be configured to operate in a WiFi band.
- the eighth antenna ANT8 may be configured to operate in the WiFi bands of the first band and the second band.
- the first band and the second band may be a 2.4 GHz band and a 5 GHz band, respectively, but is not limited thereto and may be a WiFi band of a different band.
- a WiFi MIMO operation may be performed in the first band using the seventh antenna ANT7 and the eighth antenna ANT8.
- the ninth antenna ANT9 disposed inside the mobile terminal may be configured to operate in a WiFi band.
- the ninth antenna ANT9 may be configured to operate in the WiFi band of the second band.
- a WiFi MIMO operation may be performed in the second band using the eighth antenna ANT8 and the ninth antenna ANT9.
- the tenth antenna ANT10 disposed inside the mobile terminal may be configured to operate in UHB among LTE/5G bands.
- the eleventh antenna ANT11 disposed inside the mobile terminal may be configured to operate in UHB among LTE/5G bands.
- the tenth antenna ANT10 may be configured to transmit and/or receive a signal of UHB in the LTE/5G band.
- the eleventh antenna ANT11 may be configured to operate in UHB among LTE/5G bands.
- the MIMO operation may be performed using two or more of the first antennas ANT1 and 1110 , the fourth antennas ANT4 and 1140 , the tenth antenna ANT10 , and the eleventh antenna ANT11 operating in the UHB.
- a carrier aggregation (CA) operation is performed using at least one of the first antennas ANT1 and 1110 , the fourth antennas ANT4 and 1140 , the tenth antenna ANT10 , and the eleventh antenna ANT11 operating in the UHB.
- CA carrier aggregation
- the MIMO +CA operation can be performed.
- a plurality of mmWave band antenna modules may be disposed on the side and/or inside of a mobile terminal.
- the plurality of mmWave band antenna modules may be configured to include first array antennas ARRAY1 and 112a and second array antennas ARRAY2 and 112b.
- the first array antennas ARRAY1 and 112a and the second array antennas ARRAY2 and 112b are respectively disposed on the side and inside of the electronic device, and antenna elements may be disposed to radiate signals in the side direction and the rear direction.
- the first array antennas ARRAY1 and 112a and the second array antennas ARRAY2 and 112b may be respectively disposed on the upper side and inside of the electronic device to radiate signals in the upper side direction and the rear direction.
- a plurality of antenna elements may be disposed to be spaced apart from each other by a predetermined distance. Beam forming may be performed by controlling a phase of a signal applied to each antenna element spaced apart from each other by a predetermined interval.
- An optimal antenna may be selected from among the first array antennas ARRAY1 and 112a and the second array antennas ARRAY2 and 112b, and beamforming may be performed through the selected array antenna.
- multiple input/output (MIMO) or diversity may be performed using both the first array antennas ARRAY1 and 112a and the second array antennas ARRAY2 and 112b.
- the electronic device may be configured to provide 5G communication services in various frequency bands. Recently, attempts have been made to provide a 5G communication service using the Sub6 band below the 6GHz band. However, in the future, it is expected that 5G communication service will be provided using millimeter wave (mmWave) band in addition to Sub6 band for faster data rate. Meanwhile, electronic devices providing 4G and 5G communication services may be provided in various form-factors. As an example of the form factor of the electronic device, a slide device and a rollable device may be considered. In a rollable device whose size is variable, a deviation may occur in wireless performance in the contracted state (first state) and expanded state (second state).
- a structure of a plurality of antennas disposed in a metal housing of a mobile terminal capable of minimizing variations in radio performance in a contracted state (first state) and expanded state (second state).
- a plurality of antennas may be disposed in a metal housing of a mobile terminal having a variable size.
- a vertically variable mobile terminal may be referred to as a vertically rollable device.
- the contraction/expansion of the rollable device is limited only in the vertical direction, the size may be changed horizontally.
- an upper end antenna may be disposed on the second frame 102 corresponding to the metal frame of the fixing unit.
- a lower end antenna may be disposed in the first frame 101 corresponding to the variable metal frame.
- the first metal housing 1010 of the first frame 101 may be referred to as a slide metal part or a slide cover metal.
- the second frame 102 exposed on the top and side surfaces of the rollable device may be referred to as a front metal part or a front cover metal.
- FIG. 9A shows a front view, a rear view, and a side view of the front metal part.
- FIG. 9B shows a front view, a rear view, and a side view of the slide metal part.
- the front metal part 102 may be configured to include an upper side surface 102a , a front part 1011 , a rear part 1012 , and a side part 1013 .
- the front portion 1011 and the rear portion 1012 may be referred to as a front portion and a rear portion, respectively.
- the side portion 1013 includes a first side surface 1013a that is always exposed to the outside, and a second side surface 1013b that is exposed to the outside only in a second state.
- a plurality of antennas may be disposed on the upper side 102a and the first side 1013a of the front metal part 102 .
- the fifth antennas ANT5 to the eighth antennas ANT8 may be disposed on the upper side surface 102a and the first side surface 1013a.
- the slide metal part 1010 may be configured to include a front part 1021 , a rear part 1022 , and side parts 1014 and 1015 .
- a plurality of slot regions from which the metal region is removed may be disposed in the body region corresponding to the front part 1021 and the rear part 1022 .
- the side portions 1014 and 1015 constituting the left side and the right side may be configured as side antennas. 8A and 9B , the side portions 1014 and 1015 constituting the left and right sides may operate as third antennas ANT3 and 1130 and fourth antennas ANT4 and 1140 .
- the fourth and fifth conductive members 1014 and 1015 constituting the left and right sides may operate as third antennas ANT3 and 1130 and fourth antennas ANT4 and 1140 .
- the upper antenna may be configured to include at least one of the fifth antennas ANT5 and 1150 to the eighth antennas ANT8 and 1180 .
- the lower antenna may be configured to include at least one of the first antennas ANT1 and 1110 to the fourth antennas ANT4 and 1140 .
- the upper antenna on which the front metal part 102 corresponding to the second frame 102 is disposed has little mutual interference with the lower antenna. This is because the upper antenna is disposed in different frames and the lower antenna is disposed sufficiently spaced apart from each other. In addition, in the upper antenna, there will be almost no antenna performance deviation according to the relative movement of the first frame 101 and the second frame 102 , that is, an open/close state. This is because the antenna does not cause interference between the upper antenna and the lower antenna according to the relative movement of the first frame 101 and the second frame 102 . However, the area in which the ground is disposed may be changed according to the relative movement of the first frame 101 and the second frame 102 . Antenna characteristics may be affected according to these ground conditions. Accordingly, in the present specification, when the upper antenna is disposed on the second frame 102 , characteristics of the upper antenna according to the relative movement of the first frame 101 and the second frame 102 will be described in detail.
- the present specification proposes an upper antenna design that is not affected by a change in a rollable device and a lower antenna design method in a variable ground structure.
- antenna performance deviation when the size of the rollable device is reduced/expanded, antenna performance deviation hardly occurs.
- antenna performance deviation may occur.
- FIG. 10A is a conceptual diagram illustrating a metal frame coupling structure and a ground condition according thereto when the first and second frames are coupled in a first state, which is a closed state.
- 10B is a conceptual diagram illustrating a metal frame coupling structure and a ground condition corresponding thereto when the first and second frames are coupled in an open second state.
- the front metal part 102 corresponding to the first frame is coupled to the slide metal part 101 in a first closed state.
- the upper antenna area disposed on the front metal part 102 is disposed adjacent to the slide metal part 101 operating as a ground.
- the front metal part 102 corresponding to the first frame is spaced apart from the slide metal part 101 by a predetermined distance d, and is coupled to the second state in the open state.
- the upper antenna area disposed on the front metal part 102 is spaced apart from the slide metal part 101 operating as a ground by a predetermined distance d.
- the slide metal part 101 operating as a ground is not disposed in the upper antenna area R1 in which the upper antenna is disposed in the first state and the second state.
- the front metal part 102 which is a fixed part, operates as a ground, so that the change in antenna characteristics according to the ground condition change in the first state and the second state is not large.
- the upper antenna region R1 does not include the slide frame that is the ground of the lower antenna, that is, the slide metal part 101 , and thus there is little influence by the slide metal part 101 . Accordingly, there is no antenna performance deviation due to switching between the first state and the second state, that is, switching between the close/open states.
- a ground condition change occurs in the lower antenna region R2 in which the lower antenna is disposed in the first state and the second state. This is because, when the first state is switched to the second state, the distance between the lower antenna disposed in the lower antenna region R2 and the ground is changed. In the first state, the distance between the lower antenna and the ground is L1. In the second state, the distance between the lower antenna and the ground is changed to L2, and the antenna performance is changed.
- the change of the ground condition in the lower antenna region R2 is because the ground adjacent to the lower antenna is changed.
- the ground adjacent to the lower antenna is the front metal part 102 .
- the ground adjacent to the lower antenna is changed to the slide metal part 101 .
- the lower antenna region R2 includes the cover frame that is the ground of the upper antenna in the close state, that is, the front metal part 102, and the front metal part 102 operating as the ground is greatly affected. Accordingly, a large deviation in antenna performance occurs due to switching between the first state and the second state, that is, switching between the close/open states.
- Antenna performance change due to such a ground condition change may occur in both the first and second antennas ANT1 and ANT2 disposed at the lower end and the third and fourth antennas ANT3 and ANT4 disposed at the side portion. Meanwhile, antenna characteristics of the third and fourth antennas ANT3 and ANT4 disposed on the side surface may be affected by parasitic resonance due to a slot gap between the slide metal part 101 and the front metal part 102 .
- FIGS. 11A and 11B are diagrams illustrating the principle of generating parasitic resonance due to the slot gap according to the relative movement between the first and second frames, and a conceptual diagram of an antenna operation according to a configuration for preventing the same.
- FIG. 11A is a conceptual diagram for explaining a change in a parasitic mode according to the presence or absence of a ground contact in a close state (a first state) and an effect on a side antenna accordingly.
- FIG. 11B is a conceptual diagram for explaining a change in a parasitic mode according to the presence or absence of a ground contact in an open state (second state) and an effect on the side antenna accordingly.
- FIG. 11A (a) illustrates a parasitic mode caused by a current generated along both sides of the slot region SR1 corresponding to the slot gap before the ground contact. Meanwhile, FIG. 11A ( b ) shows a parasitic mode caused by a current generated along one side of the slot region SR1 corresponding to the slot gap after the ground contact.
- FIG. 12a shows a perspective view in which the front metal part and the slide metal part are combined according to the close/open state.
- FIG. 12B shows a side view of the structure in which the front metal part and the slide metal part are spaced apart by a slot gap in close/open.
- 12C is an enlarged view of a contact member formed on a front metal part.
- 11A and 12A in the close state (first state), the front metal part 102 and the slide metal part 101 are electrically at a first point P1 through the contact member 1050 Connected.
- the first point P1 corresponds to the lower end of the slot area SR1.
- 11B and 12A (b) in the open state (second state), the front metal part 102 and the slide metal part 101 are electrically connected at a second point P2 through the contact member 1050. Connected.
- the second point P2 corresponds to the upper end of the slot area SR1.
- a slot gap SR1 is formed between the front metal part 102 corresponding to the front cover metal and the slide metal part 101 corresponding to the side metal.
- 12B shows a structure in which a contact member electrically connecting the front metal part 102 and the slide metal part 101 is not disposed in the slot region SR1 corresponding to the slot gap.
- Parasitic resonance occurs due to the slot region SR1 between the front metal part 102 and the slide metal part 101 .
- Parasitic resonance occurs in the operating band (eg, MB) of the side antenna by the current formed on both sides of the slot region SR1 between the slide metal parts 101 .
- the antenna performance deviation in the close/open state may occur due to the relative movement between the front metal part 102 and the slide metal part 101 .
- the contact member 1050 of FIG. 12A may be formed on the front metal part 102 .
- the contact member 1050 may be attached to the front metal part 102 by welding or may be integrally formed.
- the contact member 1050 may be attached to or integrally formed with a side surface groove 102g of the front metal part 102 .
- the contact member 1050 may be configured to include a fixing part 1051 and a coupling part 1052 on the front metal part 102 .
- the front metal part 102 may be connected to make contact with the slide metal part 101 of FIG. 12A through the coupling part 1052 .
- the side antenna is described as the third antenna ANT3 disposed on one side for convenience, but the present invention is not limited thereto, and the fourth antenna ANT4 disposed on the other side also corresponds to this.
- the side antenna may operate as an antenna by forming a ⁇ /4 slot between the slide metal parts 101 .
- a ⁇ /2 slot mode (parasitic mode) may be formed due to a slot gap of the slot region SR1 between the front metal part 102 and the slide metal part 101 .
- Parasitic resonance may occur at the operating frequency of the third antenna ANT3 serving as the side antenna by the slot mode (parasitic mode).
- the parasitic mode may be changed by the ground contact by the contact member 1050 .
- a current is generated along one side of the slot region SR1 .
- the ⁇ /4 slot mode is formed in the slot region SR1 so that the parasitic resonance deviates from the operating frequency band of the third antenna ANT3.
- the interval g2 of the second slot area SR2 may be set to be greater than the interval g1 of the slot area SR1 .
- the slot region SR1 needs to be formed at a predetermined interval or less.
- the second slot area SR2 forming the side antenna area needs to be formed at a predetermined interval or more for antenna performance. Accordingly, the interval g2 of the second slot area SR2 may be set to be greater than the interval g1 of the slot area SR1.
- the side antenna may operate as an antenna by forming a ⁇ /4 slot between the slide metal parts 101 similarly to the close state (first state) of FIG. 11A .
- a ⁇ /2 slot mode (parasitic mode) may be formed due to a slot gap of the slot region SR between the front metal part 102 and the slide metal part 101 .
- Parasitic resonance may occur at the operating frequency of the third antenna ANT3 serving as the side antenna by the slot mode (parasitic mode).
- the parasitic mode may be changed by the ground contact by the contact member 1050 .
- a current is generated along one side of the slot region SR.
- the ⁇ /4 slot mode is formed in the slot region SR1 so that the parasitic resonance deviates from the operating frequency band of the third antenna ANT3.
- 11b (b) and 12a (b) the position where the front metal part 102 and the slide metal part 101 are connected through the contact member 1050 in the open state (second state) is the slide metal It is P2 which is the upper end of part 101.
- 11b (a) and 12a (a) the position where the front metal part 102 and the slide metal part 101 are connected through the contact member 1050 in the close state (first state) is a slide metal It is P1 which is a point of part 101.
- the parasitic mode field distribution may be formed in a direction opposite to that of the parasitic mode field distribution in the first state.
- the parasitic resonance frequency does not change.
- the change of the parasitic resonance frequency is determined according to the length of the current path formed in the slot region SR1. 11a (b) and 11b (b), even if the contact point is changed, the length of the current path generated along one side of the slot region SR1 is ⁇ /4, so it is out of the operating frequency band of the side antenna. do.
- the ground condition of the upper antenna disposed on the upper side surface 102a of the front metal part 102 does not change. Accordingly, the change in antenna characteristics of the upper antenna disposed on the upper side surface 102a and the side surface portion 1013a of the front metal part 102 is negligible.
- the characteristic change of the side antenna or the lower antenna disposed on the slide metal part 101 occurs.
- both ends of the slot region SR1 between the front metal part 102 and the slide metal part 101 are electrically connected by the contact member 1050 , a current path generated in the slot region SR1 is generated on one side change in direction According to the change of the current path, the parasitic resonance band of the slot region SR1 deviates from the operating band of the side antenna.
- 13 shows whether parasitic resonance occurs according to the presence or absence of a ground contact in the close state.
- 13 (a) shows the reflection coefficient characteristics of the side antenna adjacent to the slot area before the ground contact.
- 13 (b) shows the reflection coefficient characteristics of the side antenna adjacent to the slot area after the ground contact.
- a parasitic resonance may occur at a frequency adjacent to the antenna operating frequency before the ground contact.
- the third antenna ANT3 which is a side antenna, operates in the HB
- parasitic resonance due to the slot region SR1 may occur in the MB adjacent to the HB.
- parasitic resonance due to the slot region SR1 may occur in MB.
- in-band parasitic resonance may occur in MB, which is the same band as or adjacent to the antenna operating band.
- the parasitic resonance may be removed at a frequency adjacent to the antenna operating frequency.
- the third antenna ANT3 which is a side antenna
- parasitic resonance due to the slot region SR1 does not occur in the MB adjacent to the HB.
- the third antenna ANT3 operates in MB/HB
- parasitic resonance due to the slot region SR1 does not occur in MB.
- the in-band parasitic resonance is removed by the contact member 1050 in the MB that is the same band as or adjacent to the antenna operating band. Accordingly, when the relative movement between the front metal part 102 and the slide metal part 101 , the parasitic resonance caused by the slot region SR1 is removed, so that the side antenna performance change does not occur.
- a mobile terminal having a variable size may be configured to include a slide metal part 101 and a front metal part 102 .
- the mobile terminal may be configured to further include a contact member 1050 and antennas ANT3 and ANT4.
- the mobile terminal may further include a display 151 including a first area 151a exposed to the front in the contracted state and a second area 151b as an extended area exposed to the front in the expanded state.
- the slide metal part 101 may be configured to have a left lateral side surface, a right lateral side surface, and a bottom side surface defining an appearance of the mobile terminal.
- the slide metal part 101 may include a plurality of metal housings.
- the slide metal part 101 may include a first metal housing 1010 and a second metal housing 1020 coupled to overlap the first metal housing 1010 .
- the first metal housing 1010 coupled to the front metal part 102 may be referred to as a slide metal part 1010 .
- the front metal part 102 may have an upper side surface and a front part defining the appearance of the mobile terminal, and may be configured to be coupled to the slide metal part 101 .
- the fifth antenna ANT5 to the eighth antenna ANT8 corresponding to the upper antenna may be disposed on the upper side surface 102a of the front metal part 102 .
- the front portion 102b of the front metal portion 102 may include a region partitioned to accommodate a plurality of electronic components including a plurality of PCBs 181 , 183a , and 183b .
- An upper slot region USR configured to be separated from the upper antennas may be provided on the front portion 102b of the front metal portion 102 . Some electronic components may be exposed through at least a partial area of the upper slot area USR. In addition, a plurality of slot regions may be further formed on the front portion 102b of the front metal portion 102 .
- a contact member 1050 configured to contact the slide metal part 101 and the front metal part 102 may be provided on a side surface of the front metal part 102 .
- antennas are formed on the left and right sides of the slide metal part 1010 , and a slot region SR may be formed in a region overlapping with the front metal part 102 of the side of the slide metal part 1010 . .
- the contact member 1050 partially changes the current path generated along both sides of the slot region SR in the open/close state, so that the parasitic resonance deviates from the resonance band of the adjacent antenna.
- the contact member 1050 in the first state, includes the slide metal part 1010 and the front metal part 102 at the first position P1, which is the lower end of the slot area SR, by the contact member 1050 in the first state. configured to be contacted.
- the first state is a reduced state in which the display area of the mobile terminal is contracted, that is, a close state. Accordingly, the slide metal part 1010 and the front metal part 102 are contacted at the first position P1 by the contact member 1050 to eliminate parasitic resonance caused by the slot region SR1 .
- the parasitic resonance between the antennas ANT3 and ANT4 and the slot region SR1 by the current generated along both sides of the slot region SR1 is generated by the contact member 1050 at the first position P1 of the current.
- a path may be created along one side and removed.
- the contact member 1050 may be in ground contact with the side surface of the slide metal part 1010 at the first position P1 that is the lower end of the slot area SR1 .
- the length of the current path is changed from about 1/2 wavelength of the wavelength corresponding to the antenna operating band to about 1/4 wavelength by the contact member 1050 .
- the current path lengths generated along both sides are formed at half wavelength of the specific operating band of the antenna, thereby forming a parasitic resonance in the specific operating band of the antenna by the current generated along both sides.
- the current path length generated along one side by the contact member 1050 at the first position P1, which is the lower end of the slot region SR1 is formed as a quarter wavelength of a specific operating band, Parasitic resonance may be removed in a specific operating band of the antenna by the current generated along one side.
- the contact member 1050 is configured such that the slide metal part 1010 and the front metal part 102 are in contact with the slide metal part 1010 at the second position P2 which is the upper end of the slot region SR by the contact member 1050 in the second state.
- the second state is an extended state in which the display area of the mobile terminal is expanded, that is, an open state. Accordingly, the slide metal part 1010 and the front metal part 102 are contacted at the second position P2 by the contact member 1050 to eliminate parasitic resonance caused by the slot region SR1 .
- the parasitic resonance between the antennas ANT3 and ANT4 and the slot region SR1 by the current generated along both sides of the slot region SR1 is generated by the contact member 1050 at the second position P2 of the current.
- a path may be created along one side and removed.
- the contact member 1050 may be in ground contact with the side surface of the slide metal part 1010 at the first position P2 that is the lower end of the slot area SR1 .
- the length of the current path is changed from about 1/2 wavelength of the wavelength corresponding to the antenna operating band to about 1/4 wavelength by the contact member 1050 .
- the current path lengths generated along both sides are formed at half wavelength of the specific operating band of the antenna, thereby forming a parasitic resonance in the specific operating band of the antenna by the current generated along both sides.
- the current path length generated along one side by the contact member 1050 at the second position P2, which is the upper end of the slot region SR1 is formed as a quarter wavelength of a specific operating band, Parasitic resonance may be removed in a specific operating band of the antenna by the current generated along one side.
- FIG. 14 shows the coupling configuration of the first frame and the second frame according to the open/close state and the position of the contact unit.
- the first frame and the second frame may refer to the slide metal part 1010 and the front metal part 102 , respectively.
- the contact member 1050 formed on the front metal part 102 in the close state is a slide metal part at P1, which is a point of the slide metal part 1010 ( 1010) and is configured to be in ground contact.
- the contact member 1050 formed on the front metal part 102 in the open state is the slide metal part 1010 and the slide metal part 1010 at one point P2 of the slide metal part 1010. It is configured to be in ground contact.
- the second slot area SR2 provided in the front part 1010b of the slide metal part
- the length a1 is formed by a quarter wavelength of the specific operating band of the antenna.
- the lengths of the antennas ANT3 and ANT4 may be longer than the length a1 of the second slot area SR2 .
- the length of the second slot area SR2 may be determined as a length from one end of the second slot area SR2 to one end of the slits S3 and S4 formed in the slide metal part 1010 .
- the length a1 of the second slot area SR2 may be set to about 1/2 of the lengths d1 and d2 of the slot area SR1.
- the length d1 of the slot region SR1 corresponds to the length of the slot gap between the front metal part 102 and the slide metal part 1010 .
- the length a1 of the second slot area SR2 corresponds to a length from one end of the second slot area SR2 to one end of the slits S3 and S4 formed in the slide metal part 1010 .
- the front metal part 102 in a first state in which the slide metal part 1010 moves in the first direction, which is the upper direction, the first position P1 which is the lower end of the slot area SR1 by the contact member 1050 . ), the front metal part 102 is in contact with the slide metal part 1010 part. Accordingly, it is in contact with the slide metal part 1010 at the first position P1 to eliminate parasitic resonance caused by the slot area.
- the front metal part 102 in the second state in which the slide metal part 1010 moves in the second direction, which is the downward direction, the front metal part 102 is located at the second position P2, which is the upper end of the slot area SR1 by the contact member 1050 . ) is in contact with the slide metal part 1010 . Accordingly, it is in contact with the slide metal part 1010 part at the second position P2 , so that parasitic resonance caused by the slot region may be eliminated.
- the display 151 includes a first area 151a exposed to the front when the mobile terminal is in a contracted state, and a second area 151a which is an extended area exposed to the front when the mobile terminal is in an expanded state. 151b).
- the front metal part 102 is moved to the slide metal part 1010 by the contact member 1050 at the first position P1, which is the lower end of the slot region SR1 . ) is contacted. Accordingly, it is in contact with the slide metal part 1010 at the first position P1 to eliminate parasitic resonance caused by the slot area.
- the front metal part is located at the second position P2, which is the upper end of the slot area SR1 by the contact member 1050 .
- (102) is in contact with the slide metal portion (1010). Accordingly, it is in contact with the slide metal part 1010 part at the second position P2 , so that parasitic resonance caused by the slot region may be eliminated.
- the slide metal part 101 corresponding to the first frame may be configured to include a first metal housing 1010 and a second metal housing 1020 .
- the first metal housing 1010 has a left side and a right side defining the exterior of the mobile terminal.
- the second metal housing 1020 may have a left side, a right side, and a lower side defining an appearance.
- the side antennas ANT3 and ANT4 disclosed herein are disposed on the left side and the right side of the first metal housing 1010 , respectively.
- the lower antenna disclosed herein may be configured to include the first antenna ANT1 to the fourth antenna ANT4.
- the first antenna ANT1 and the second antenna ANT2 disposed on the second metal housing 1020 may be formed of a conductive member formed on one side and a lower end of the exterior.
- the first antenna ANT1 and the second antenna ANT2 may include a first conductive member 102 and a second conductive member 1022 , respectively.
- the first conductive member 1021 of the second metal housing 1020 may be configured to include first and second sub-members 1021a and 1021b and a corner region 1021c.
- the second conductive member 1022 of the second metal housing 1020 may also be configured to include first and second sub members 1022a and 1022b and a corner region 1022c.
- the first sub member 1021a may be disposed on the lower surface of the exterior, and the second sub member 1021b may be disposed on the left side of the exterior.
- the corner region 1021c is formed between the first sub-member 1021a and the second sub-member 1021b.
- the first sub member 1022a may be disposed on the lower side of the exterior, and the second sub member 1022b may be disposed on the right side of the exterior.
- a corner region 1022c is formed between the first sub-member 1022a and the second sub-member 1022b.
- the left and right side surfaces of the first metal housing 1010 and the second sub-members 1021b and 1022b of the second metal housing may overlap each other.
- the overlapping first metal housing 1010 may not be exposed to the exterior, and the second sub-members 1021b and 1022b may be exposed to the exterior.
- the first metal housing overlapping the first conductive member 1021 may operate as the first antenna ANT1
- the second metal housing overlapping the second conductive member 1022 may operate as the second antenna ANT2 .
- a third conductive member 1023 is disposed between the first conductive member 1021 and the second conductive member 1022 .
- the antennas ANT3 and ANT4 corresponding to the fourth conductive member 1014 and the fifth conductive member 1015 disposed on the left and right sides of the first metal housing 1010 are a third antenna and a fourth antenna, respectively. It can act as an antenna.
- the lower antenna including the first antenna ANT1 to the fourth antenna ANT4 may be disposed on a side surface of the slide metal part 1010 .
- FIGS. 15A and 15B show an upper antenna arrangement according to an embodiment.
- 15A is a diagram illustrating an antenna arrangement structure in a state in which the PCB and electronic components are disposed inside the mobile terminal, and the positions of the power feeding part and the grounding part accordingly.
- 15B shows the antenna arrangement structure and the length of each antenna area in a state in which the PCB and electronic components are not disposed inside the mobile terminal.
- FIG. 16 is a conceptual diagram illustrating an arrangement structure of a power supply unit, a ground unit, and a switch according to the arrangement of the upper antenna of FIGS. 15A and 15B .
- the antenna clearance of the upper antenna may be 0.5 mm to 3.0 mm at the upper end.
- the minimum tolerance of 0.5mm may be the distance between the upper antenna and the roughness section.
- the maximum tolerance of 3.0mm may be the distance between the top antenna and the display FPCB module.
- the lateral tolerance of the upper antenna may be a distance between the upper antenna and the display module.
- the lateral tolerance of the upper antenna may be about 1.95 mm, but is not limited thereto.
- the fifth conductive member 1150 and the sixth conductive member 1160 operate as a fifth antenna ANT5 and a sixth antenna ANT6, respectively.
- the seventh conductive member 1170 is supplied with power at different points and operates as the seventh antenna ANT7 and the eighth antenna ANT8.
- a slit S5 may be disposed between the fifth conductive member 1150 and the sixth conductive member 1160 .
- a slit S6 may be disposed between the sixth conductive member 1160 and the seventh conductive member 1170 .
- the spacing of the slits S5 and S6 may be designed to be about 1.5 mm, but is not limited thereto.
- the lengths of the fifth conductive member 1150 and the seventh conductive member 1170 constituting the upper antenna may be symmetrical, but are not limited thereto.
- the lengths of the second sub-members 1150b and 1170b may be left-right symmetrical for convenience in manufacturing.
- the lengths of the first sub-members 1150a and 1170a may be independently designed for optimizing antenna characteristics.
- the length L5 of the fifth conductive member 1150 may be determined as L5a + L5b, which is the sum of the lengths of the first and second sub-members 1150a and 1150b. Specifically, the length L5 of the fifth conductive member 1150 may be determined as the sum of the lengths of the first and second sub-members 1150a and 1150b and the length of the corner region 1150c.
- the length L6 of the seventh conductive member 1170 may be determined as L7a + L7b, which is the sum of the lengths of the first and second sub-members 1170a and 1170b. Specifically, the length L7 of the seventh conductive member 1170 may be determined as the sum of the lengths of the first and second sub-members 1170a and 1170b and the length of the corner region 1170c.
- the lengths L5b and L7b of the second sub members 1150b and 1170b may be set to be the same.
- the lengths L5a and L7a of the first sub-members 1150a and 1170a may be set to be the same.
- the lengths L5a and L7a of the first sub-members 1150a and 1170a may be independently set to different values in order to optimize the antenna characteristics.
- the upper antenna may operate as fifth antennas ANT5 and 1150 to seventh antennas ANT7 and 1170 .
- the upper antenna may operate as the fifth antenna ANT5 to the eighth antenna ANT8 and 1180 .
- the eighth antennas ANT8 and 1180 may share a partial antenna area with the seventh antennas ANT8 and 1170 .
- the plurality of slits S5 and S6 may be physically spaced apart between the upper antennas.
- an end of the upper antenna may be physically spaced apart from the slide metal part 1010 by the plurality of slits S7 and S8 .
- the fifth conductive members 1150 to the seventh conductive members 1170 disposed on the upper side surface 102a of the front metal part 102 and separated by the slit are the fifth antennas ANT5 to the seventh antennas ANT7.
- the fifth antennas ANT5 and 1150 include a first sub member 1150a disposed on an upper side surface, a second sub member member 1150b disposed on one side (right side), and a corner region 1150c.
- the sixth antennas ANT6 and 1160 include a fifth conductive member 1150 and a seventh conductive member 1170 , and a sixth conductive member 1160 separated by slits S5 and S6 .
- the seventh antennas ANT6 and 1170 include a first sub-member 1170a disposed on an upper side surface, a second sub-member 1170b disposed on the other side (left side), and a corner region 1170c.
- the upper antenna including the fifth antennas ANT5 and 1150 to the seventh antennas ANT6 and 1170 may be disposed on the upper side surface 102a of the front metal part 102 .
- the fifth antennas ANT5 and 1150 may be electrically connected to the upper PCB 182 accommodated in the front metal part 102 at a first point of the first sub-member 1150a through the feeding part F5.
- the fifth antennas ANT5 and 1150 may be electrically connected to the ground part G5 through the inductor L5 at the upper PCB 182 and the second point.
- the fifth antennas ANT5 and 1150 are electrically connected to the upper PCB 182 and the switch SW5 at one point on the right side, so that the operating band of the fifth antennas ANT5 and 1150 can be adjusted.
- the sixth antennas ANT6 and 1160 may be electrically connected to the upper PCB 182 accommodated in the front metal part 102 and both ends of the sixth conductive member 1160 through a power supply unit F6 and a ground unit.
- the seventh antennas ANT7 and 1170 may be electrically connected to the upper PCB 182 accommodated in the front metal part 102 and the first sub member 1170a at one point through the feeding part F7.
- the seventh antennas ANT6 and 1170 may be electrically connected to the ground portion G7 at the second point of the upper PCB 182 and the corner region 1170c.
- the eighth antenna ANT8 may be disposed on the left side of the front metal part 102 adjacent to the seventh antenna ANT7 .
- the eighth antenna ANT8 may be electrically connected to the upper PCB 182 and the second sub member 1070b at one point through the feeding unit F8.
- the eighth antenna ANT8 may be electrically connected to the ground part G7 at the second point of the corner area 1170c.
- the seventh antennas ANT7 and 1170 and the eighth antenna ANT8 may have a common ground structure electrically connected to the ground portion G7 at the second point of the same corner region 1170c.
- the seventh antenna ANT7 that is a GPS/WiFi antenna may be formed in a ground junction structure with the eighth antenna ANT8 that is a WiFi antenna. That is, the regions of the conductive members connected to each other may be divided around the ground and implemented as different antennas.
- the sixth antenna ANT6 may be electrically connected to the ground unit G6 through a lumped matching element such as an L/C element. Accordingly, the level of mutual interference between the sixth antenna ANT6 and the seventh antenna ANT7 may be reduced.
- the fifth antenna ANT5 to the eighth antenna ANT8 corresponding to the upper antenna may reduce the level of mutual interference by the slit structure, the grounding part, and the arrangement structure of the tuner.
- FIG. 17A shows the reflection coefficient and efficiency characteristics of the adjacent top antenna operable in the 4G/5G band.
- 17B shows the reflection coefficient and efficiency characteristics of an adjacent upper antenna operable in a WiFi band.
- the fifth antenna ANT5 operating in LB/MB/HB has a dual resonance characteristic of resonating in LB and resonating in MB/HB. Since the efficiency of the fifth antenna ANT5 in LB/MB/HB is measured as a value above a certain level, it operates as a radiator in LB/MB/HB.
- the sixth antenna ANT6 operating at MB/HB has a dual resonance characteristic resonating at MB/HB. Since the efficiency of the sixth antenna ANT6 in MB/HB is measured as a value above a certain level, it operates as a radiator in MB/HB.
- the seventh antenna ANT7 has dual resonance characteristics in the GPS band and the WiFi band. Since the efficiency of the seventh antenna ANT7 in the GPS/WiFi band is measured as a value above a certain level, it operates as a radiator in the GPS/WiFi band.
- the eighth antenna ANT8 has a resonance characteristic in the WiFi band. Since the efficiency of the eighth antenna ANT8 in the WiFi band is measured as a value above a certain level, it operates as a radiator in the WiFi band.
- first PCB 181 and the second and third PCBs 183a and 183b may be disposed on the front metal part 102 as shown in FIG. 8B .
- the first PCB 181 may be integrally formed with the upper PCB 182 .
- the mobile terminal may be configured to include a first PCB 181 , second and third PCBs 183a and 183b , and processors 1400 and 1450 .
- the first PCB 181 may include a wireless communication unit 1250 .
- the second PCB 183a may be electrically connected to the first PCB 181 , and may be accommodated inside one side of the slide metal part 1010 .
- the third PCB 183b may be electrically connected to the first PCB 181 , and may be accommodated in the other side of the slide metal part 1010 .
- the processors 1400 and 1450 may be operatively coupled to the wireless communication unit 1250 .
- FIG. 18 illustrates a state in which the first and second frames are combined in a third state in which the display area is partially expanded.
- the position where the slide metal part 1010 is coupled to the contact member 1050 is the third point P3 .
- a third point P3 is located at an intermediate point between the first point P1 and the second point P2, which are positions combined in the first and second states of FIGS. 14(a) and 14(b). are placed
- the slide metal part 1010 in the third state other than the first state or the second state, is connected to the front metal part through the contact member 1050 ( 102) and it can be determined whether the state is electrically coupled.
- the third state is a state in which the slide metal part 1010 is coupled to the front metal part 102 through the contact member 1050 at an arbitrary point (eg, P3 ) between the upper end and the lower end of the slot region SR1 . If it is determined that the processor 1400 and 1450 are in the coupled state in the third state, the processor 1400 and 1450 may control the wireless communication unit 1250 to measure the quality of a signal received through the side antennas ANT3 and ANT4.
- the received signal quality may be at least one of SNR, SIR, and signal strength, but is not limited thereto.
- the wireless communication unit 1250 may be controlled to receive. Accordingly, in the present specification, wireless communication performance can be optimized by selecting an optimal antenna based on antenna performance even in an arbitrary state in which a mobile terminal whose size is variable is not completely reduced or expanded. In particular, in the process of changing the size of the mobile terminal, it is highly likely that the user is holding the side and the lower end of the mobile terminal with both hands.
- the processors 1400 and 1450 may control the wireless communication unit 1250 to operate one of the fifth antenna ANT5 and the sixth antenna ANT6 disposed on the front metal part 102 in the third state.
- the fifth antenna ANT5 and the sixth antenna ANT6 operate to transmit and receive signals in the 4G/5G band.
- the side antenna can be used after the size of the mobile terminal is completely changed to the extended state.
- the processors 1400 and 1450 may determine whether signal quality by the fifth antenna ANT5 and the sixth antenna ANT6 is equal to or less than a threshold.
- the processors 1400 and 1450 are converted to the second state and then one of the third antenna ANT3 and the fourth antenna LB formed on the left side and the right side of the slide metal part 1010 . may control the wireless communication unit to operate. Since there is a high probability that the user does not hold the side area after the second state in which the size of the mobile terminal is fully expanded, the control operation is performed after the mobile terminal is switched to the second state.
- the processors 1400 and 1450 operate the wireless communication unit 1250 so that one of the first antenna ANT1 and the second antenna ANT2 disposed under the slide metal part 1010 operates in the first state. can be controlled
- Electronic devices for providing 4G and 5G communication services according to the present specification may be provided in various form-factors.
- a form factor of an electronic device a rollable device may be considered.
- a metal rim frame of an electronic device having various form factors may be formed in an integral structure or a variable structure.
- a rollable device having an integrated frame structure has a problem in that it is difficult to implement a rollable display.
- the rollable display may be configured such that the display area is reduced or expanded by the variable mechanism structure.
- the metal frame of a roll double device having a variable mechanism structure is used as an antenna, there is a problem in that it is not easy to secure antenna performance due to the metal frame separated from each other.
- the present invention aims to solve the above and other problems. Another object of the present invention is to arrange an antenna in an edge region of an electronic device even when a form factor is changed.
- Another object of the present invention is to arrange an antenna in an edge area of a rollable device in which a display is rollable to one side.
- Another object of the present invention is to arrange an antenna in an edge area in a vertical rollable device.
- Another object of the present invention is to secure antenna performance over a certain level while overcoming an antenna design space.
- Another object of the present invention is to provide an antenna feeding structure in which an antenna characteristic change is not sensitive to a change in the size of a mobile terminal.
- the electronic device may maintain dual connectivity with the eNB and the gNB by using the plurality of antenna modules disclosed herein.
- multiple input/output (MIMO) with the first communication system or the second communication system may be performed using a plurality of antenna modules.
- any one of the plurality of antennas performing multiple input/output (MIMO) with the first communication system or the second communication system may be referred to as a first antenna module, and the other may be referred to as a second antenna module.
- a plurality of antennas selected from among the first antennas ANT1 to ANT4 disposed under the mobile terminal whose size is variable are used as a first antenna module and a second antenna module, respectively.
- a plurality of antennas selected from among the antennas ANT1 to ANT6 operable in the LTE/5G Sub6 band may be referred to as a first antenna module and a second antenna module, respectively.
- the electronic device may further include a transceiver circuit 1250 and a baseband processor 1400 .
- the transceiver circuit 1250 may be operatively coupled to the first antenna module and the second antenna module.
- the transceiver circuit 1200 may be configured to control the first antenna module and the second antenna module. In this regard, the transceiver circuit 1200 may turn on/off the signal applied to the first antenna module and the second antenna module or control the magnitude of the signal.
- the baseband processor 1400 corresponding to a modem may be operatively coupled to the transceiver circuit 1250 .
- the baseband processor 1400 may be configured to perform multiple input/output (MIMO) through the first antenna module and the second antenna module.
- MIMO multiple input/output
- the baseband processor 1400 may control the transceiver circuit 1250 to perform UL-MIMO by transmitting the first signal and the second signal.
- the baseband processor 1400 may control the transceiver circuit 1250 to perform DL-MIMO by transmitting the first signal and the second signal.
- the corresponding antenna module may be switched to another connectivity. For example, if the quality of a signal received through the first antenna module or the second antenna module is less than or equal to a threshold, the corresponding antenna module may be switched between another communication system, that is, a 4G/5G communication system.
- the baseband processor 1400 may release the MIMO mode and switch to the dual connection state.
- the baseband processor 1400 may control the transceiver circuit 1250 to be switched to a dual connection state through the first antenna module and the second antenna module.
- the electronic device when 5G MIMO is performed through the first antenna module and the second antenna module, it is possible to switch to a 4G communication system through the first antenna module. Accordingly, the electronic device may be switched to the EN-DC state. Meanwhile, when 4G MIMO is performed through the first antenna module and the second antenna module, it is possible to switch to a 5G communication system through the first antenna module. Accordingly, the electronic device may be switched to the EN-DC state.
- the baseband processor 1400 may release the MIMO mode and switch to the dual connection state.
- the baseband processor 1400 may control the transceiver circuit 1250 to be switched to a dual connection state through the first antenna module and the second antenna module.
- the electronic device when 5G MIMO is performed through the first antenna module and the second antenna module, it is possible to switch to a 4G communication system through the second antenna module. Accordingly, the electronic device may be switched to the EN-DC state. Meanwhile, when 4G MIMO is performed through the first antenna module and the second antenna module, it is possible to switch to a 5G communication system through the second antenna module. Accordingly, the electronic device may be switched to the EN-DC state.
- the electronic device may operate in an EN-DC state that maintains a connection state with both the 4G communication system and the 5G communication system.
- the first antenna module and the second antenna module may be configured to operate in the first communication system and the second communication system, respectively.
- the first communication system and the second communication system may be a 4G communication system and a 5G communication system, but are not limited thereto and may be changed according to applications.
- the baseband processor 1400 may determine whether the quality of the first signal of the first communication system received through the first antenna module is equal to or less than a threshold. If the quality of the first signal is less than or equal to the threshold, the baseband processor 1400 may control the transceiver circuit 1250 to receive the second signal of the second communication system through the first antenna module.
- the operating frequency of the transceiver circuit 1250 is set to be the same, and only the signal magnitude and phase can be controlled.
- the signal magnitude and phase may be controlled while changing the operating frequency of the transceiver circuit 1250 .
- the baseband processor 1400 may determine whether the quality of the second signal of the second communication system received through the second antenna module is equal to or less than a threshold. If the quality of the second signal is equal to or less than the threshold, the baseband processor 1400 may control the transceiver circuit 1250 to receive the first signal of the first communication system through the second antenna module.
- the operating frequency of the transceiver circuit 1250 is set to be the same, and only the signal magnitude and phase can be controlled.
- the signal magnitude and phase may be controlled while changing the operating frequency of the transceiver circuit 1250 .
- the electronic device may be allocated time/frequency resources for MIMO or EN-DC from the base station.
- the baseband processor 1400 may determine whether a resource including a specific time interval and a frequency band is allocated as a DL-MIMO resource and a corresponding resource region through blind decoding for the PDCCH region.
- the baseband processor 1400 may control the transceiver circuit 1250 to receive the first signal through the first antenna module and the second signal through the second antenna module in the allocated specific resource.
- the EN-DC state may be switched or maintained.
- 4G DL MIMO may be performed by receiving the first signal and the second signal of the 4G communication system through the first antenna module and the second antenna module.
- 5G DL MIMO may be performed by receiving the first signal and the second signal of the 5G communication system through the first antenna module and the second antenna module.
- the EN-DC state may be switched or maintained.
- 4G UL MIMO may be performed by transmitting the first signal and the second signal of the 4G communication system through the first antenna module and the second antenna module.
- 5G UL MIMO may be performed by transmitting the first signal and the second signal of the 5G communication system through the first antenna module and the second antenna module.
- EN-DC or NGEN-DC band combinations may include one or more E-UTRA operating bands.
- An operating band for the inter-band EN-DC between EN-DC, FR1 and FR2 may be defined.
- UE channel bandwidth for EN-DC may be defined.
- the UE channel bandwidth for intra-band EN-DC in FR1 may be defined.
- Channel arrangements for DC may be defined.
- channel spacing for intra-band EN-DC carriers may be defined.
- a configuration for EN-DC may be defined. Specifically, intra-band contiguous EN-DC, intra-band non-contiguous EN-DC, inter-band EN-DC within FR1, inter-band EN-DC including FR2, inter-band including FR1 and FR2 A configuration for inter-band EN-DC between EN-DC, FR1 and FR2 may be defined.
- a UL EN-DC configuration may be defined for 2, 3, 4, 5 or 6 bands in FR1.
- the UL EN-DC configuration for 2, 3, 4, 5 or 6 bands in FR1 may consist of a combination of EUTRA configuration and NR configuration.
- This EN-DC or NGEN-DC, NR-DC configuration may be defined for the uplink (UL) as well as the downlink (DL).
- Transmitter power may be defined in relation to EN-DC.
- UE maximum output power and UE maximum output power reduction may be defined for each configuration for the aforementioned EN-DC.
- UE additional maximum output power reduction may be defined.
- a configured output power for EN-DC and a configured output power for NR-DC can be defined.
- FIG. 19 illustrates a block diagram of a wireless communication system to which the methods proposed in the present specification can be applied.
- the wireless communication system includes a first communication device 910 and/or a second communication device 920 .
- 'A and/or B' may be interpreted as having the same meaning as 'including at least one of A or B'.
- the first communication device may represent the base station and the second communication device may represent the terminal (or the first communication device may represent the terminal and the second communication device may represent the base station).
- Base station is a fixed station (fixed station), Node B, evolved-NodeB (eNB), gNB (Next Generation NodeB), BTS (base transceiver system), access point (AP: Access Point), gNB (general) NB), 5G system, network, AI system, RSU (road side unit), may be replaced by terms such as robot.
- the terminal may be fixed or have mobility, UE (User Equipment), MS (Mobile Station), UT (user terminal), MSS (Mobile Subscriber Station), SS (Subscriber Station), AMS (Advanced Mobile) Station), WT (Wireless terminal), MTC (Machine-Type Communication) device, M2M (Machine-to-Machine) device, D2D (Device-to-Device) device, vehicle, robot, AI module It can be replaced by terms such as
- the first communication device and the second communication device include a processor 911,921, a memory 914,924, one or more Tx/Rx radio frequency modules 915,925, Tx processors 912,922, Rx processors 913,923 , including antennas 916 and 926 .
- a processor implements the functions, processes and/or methods salpinned above. More specifically, in DL (communication from a first communication device to a second communication device), an upper layer packet from the core network is provided to the processor 911 . The processor implements the functions of the L2 layer. In DL, the processor provides multiplexing between logical channels and transport channels, allocation of radio resources to the second communication device 920, and is responsible for signaling to the second communication device.
- a transmit (TX) processor 912 implements various signal processing functions for the L1 layer (ie, the physical layer).
- the signal processing function facilitates forward error correction (FEC) in the second communication device, and includes coding and interleaving.
- FEC forward error correction
- the coded and modulated symbols are divided into parallel streams, each stream mapped to OFDM subcarriers, multiplexed with a reference signal (RS) in the time and/or frequency domain, and using Inverse Fast Fourier Transform (IFFT) are combined together to create a physical channel carrying a stream of time domain OFDMA symbols.
- RS reference signal
- IFFT Inverse Fast Fourier Transform
- the OFDM stream is spatially precoded to generate multiple spatial streams.
- Each spatial stream may be provided to a different antenna 916 via a separate Tx/Rx module (or transceiver) 915 .
- Each Tx/Rx module may modulate an RF carrier with a respective spatial stream for transmission.
- each Tx/Rx module (or transceiver) 925 receives a signal via each antenna 926 of each Tx/Rx module.
- Each Tx/Rx module recovers information modulated with an RF carrier and provides it to a receive (RX) processor 923 .
- the RX processor implements the various signal processing functions of layer 1.
- the RX processor may perform spatial processing on the information to recover any spatial streams destined for the second communication device. If multiple spatial streams are destined for the second communication device, they may be combined into a single OFDMA symbol stream by multiple RX processors.
- the RX processor uses a Fast Fourier Transform (FFT) to transform the OFDMA symbol stream from the time domain to the frequency domain.
- the frequency domain signal includes a separate OFDMA symbol stream for each subcarrier of the OFDM signal.
- the symbols and reference signal on each subcarrier are recovered and demodulated by determining the most probable signal placement points transmitted by the first communication device. These soft decisions may be based on channel estimate values.
- the soft decisions are decoded and deinterleaved to recover the data and control signal originally transmitted by the first communication device on the physical channel. Corresponding data and control signals are provided to the processor 921 .
- the UL (second communication device to first communication device communication) is handled in the first communication device 910 in a manner similar to that described with respect to the receiver function in the second communication device 920 .
- Each Tx/Rx module 925 receives a signal via a respective antenna 926 .
- Each Tx/Rx module provides an RF carrier and information to the RX processor 923 .
- the processor 921 may be associated with a memory 924 that stores program code and data. Memory may be referred to as a computer-readable medium.
- an antenna design space constraint can be overcome in an electronic device whose form factor is changed.
- a wireless platform design structure including an antenna arrangement in a vertical rollable device.
- an antenna structure in which an antenna characteristic change is insensitive to a change in the size of a mobile terminal.
- an antenna including the processors 180 , 1250 , 1400 and a control unit for controlling the same and a control method thereof are computer-readable in a medium in which a program is recorded. It is possible to implement it as an existing code.
- the computer-readable medium includes all types of recording devices in which data readable by a computer system is stored. Examples of computer-readable media include Hard Disk Drive (HDD), Solid State Disk (SSD), Silicon Disk Drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
- HDD Hard Disk Drive
- SSD Solid State Disk
- SDD Silicon Disk Drive
- ROM Read Only Memory
- RAM Compact Disc-ROM
- CD-ROM compact disc-read only memory
- magnetic tape floppy disk
- optical data storage device etc.
- carrier wave eg, transmission over the Internet
- the computer may include a processor 180 of the terminal. Accordingly, the above detailed description should not be construed as restrictive in all respects but as exemplary. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention.
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Abstract
Description
m | △f =2 μ * 15 [kHz] | Cyclic prefix(CP) |
0 | 15 | Normal |
1 | 30 | Normal |
2 | 60 | Normal, Extended |
3 | 120 | Normal |
4 | 240 | Normal |
Frequency Range designation | Corresponding frequency range | Subcarrier Spacing |
FR1 | 450MHz - 6000MHz | 15, 30, 60kHz |
FR2 | 24250MHz - 52600MHz | 60, 120, 240kHz |
Claims (20)
- 이동 단말기에 있어서,상기 이동 단말기의 외관(appearance)을 정의하는 좌 측면(left lateral side surface), 우 측면(right lateral side surface) 및 하 측면(bottom side surface)을 구비하는 슬라이드 메탈 부(slide metal part); 및상기 이동 단말기의 외관을 정의하는 상 측면(upper side surface)과 전면부 (front part)를 구비하고, 상기 슬라이드 메탈 부와 결합되도록 구성되는 전면 메탈 부(front metal part)를 포함하고,상기 전면 메탈 부의 측면에는 상기 슬라이드 메탈 부와 상기 전면 메탈 부를 컨택(contact)하도록 구성된 컨택 부재가 구비되고,상기 슬라이드 메탈 부의 상기 좌 측면과 상기 우 측면에는 안테나가 형성되고, 상기 슬라이드 메탈 부의 측면의 상기 전면 메탈 부와 중첩된 영역에는 슬롯 영역이 형성되고,상기 컨택 부재는,상기 이동 단말기의 디스플레이 영역이 수축되는 제1 상태에서, 상기 컨택 부재에 의해 상기 슬롯 영역의 하단인 제1 위치에서 상기 슬라이드 메탈 부와 상기 전면 메탈 부가 컨택되어 상기 슬롯 영역에 의한 기생 공진을 제거하고,디스플레이 영역이 확장되는 제2 상태에서, 상기 컨택 부재에 의해 상기 슬롯 영역의 상단인 제2 위치에서 상기 슬라이드 메탈 부와 상기 전면 메탈 부가 컨택되어 상기 슬롯 영역에 의한 기생 공진을 제거하는, 이동 단말기.
- 제1 항에 있어서,상기 슬롯 영역의 양 측을 따라 생성되는 전류에 의한 상기 안테나와 상기 슬롯 영역 간 기생 공진은 상기 제1 위치의 상기 컨택 부재에 의해 상기 전류의 경로가 일 측을 따라 생성되어 제거되고,상기 컨택 부재가 상기 슬롯 영역의 하단인 상기 제1 위치에서 상기 슬라이드 메탈 부의 측면부와 그라운드 컨택되는, 이동 단말기.
- 제2항에 있어서,상기 양 측을 따라 생성되는 전류 경로 길이는 상기 안테나의 특정 동작 대역의 반 파장(half wavelength)으로 형성되어, 상기 양 측을 따라 생성되는 전류에 의해 상기 안테나의 특정 동작 대역에서 기생 공진을 형성하고,상기 슬롯 영역의 하단인 상기 제1 위치의 상기 컨택 부재에 의해 상기 일 측을 따라 생성되는 전류 경로 길이는 상기 특정 동작 대역의 1/4 파장(quarter wavelength)으로 형성되어, 상기 일 측을 따라 생성되는 전류에 의해 상기 안테나의 특정 동작 대역에서 기생 공진이 제거되는, 이동 단말기.
- 제1 항에 있어서,상기 슬롯 영역의 양 측을 따라 생성되는 전류에 의한 상기 안테나와 상기 슬롯 영역 간 기생 공진은 상기 제2 위치의 상기 컨택 부재에 의해 상기 전류의 경로가 일 측을 따라 생성되어 제거되고,상기 컨택 부재가 상기 슬롯 영역의 상단인 상기 제2 위치에서 상기 슬라이드 메탈의 측면부와 그라운드 컨택되는, 이동 단말기.
- 제4항에 있어서,상기 양 측을 따라 생성되는 전류 경로 길이는 상기 안테나의 특정 동작 대역의 반 파장(half wavelength)으로 형성되어, 상기 양 측을 따라 생성되는 전류에 의해 상기 안테나의 특정 동작 대역에서 기생 공진을 형성하고,상기 슬롯 영역의 상단인 상기 제2 위치의 상기 컨택 부재에 의해 상기 일 측을 따라 생성되는 전류 경로 길이는 상기 특정 동작 대역의 1/4 파장(quarter wavelength)으로 형성되어, 상기 일 측을 따라 생성되는 전류에 의해 상기 안테나의 특정 동작 대역에서 기생 공진이 제거되는, 이동 단말기.
- 제1 항에 있어서,상기 슬라이드 메탈 부의 상기 좌 측면과 상기 우 측면에 형성된 상기 안테나에서 상기 슬라이드 메탈 부의 전면부에 구비된 제2 슬롯 영역의 길이는 상기 안테나의 특정 동작 대역의 1/4 파장(quarter wavelength)으로 형성되고,상기 안테나의 길이는 상기 제2 슬롯 영역의 길이보다 더 길게 형성되고,상기 제2 슬롯 영역의 길이는 상기 제2 슬롯 영역의 일 단부에서 상기 슬라이드 메탈 부에 형성된 슬릿의 일 단부까지의 길이로 결정되는, 이동 단말기.
- 제1 항에 있어서,상기 슬라이드 메탈 부가 상부 방향인 제1 방향으로 이동하는 제1 상태에서, 상기 컨택 부재에 의해 상기 슬롯 영역의 하단인 제1 위치에서 상기 슬라이드 메탈 부와 상기 전면 메탈 부가 컨택되어 상기 슬롯 영역에 의한 기생 공진을 제거하고,상기 슬라이드 메탈 부가 하부 방향인 제2 방향으로 이동하는 제2 상태에서, 상기 컨택 부재에 의해 상기 슬롯 영역의 상단인 제2 위치에서 상기 슬라이드 메탈 부와 상기 전면 메탈 부가 컨택되어 상기 슬롯 영역에 의한 기생 공진을 제거하는, 이동 단말기.
- 제1 항에 있어서,상기 이동 단말기가 수축상태인 경우 전면에 노출되는 제1 영역 및 상기 이동 단말기가 확장상태인 경우 전면에 노출되는 확장 영역인 제2 영역을 포함하는 디스플레이를 더 포함하고,상기 디스플레이의 상기 제1 영역이 노출되는 제1 상태에서, 상기 컨택 부재에 의해 상기 슬롯 영역의 하단인 제1 위치에서 상기 슬라이드 메탈 부와 상기 전면 메탈 부가 컨택되어 상기 슬롯 영역에 의한 기생 공진을 제거하고,상기 디스플레이의 상기 제1 영역 및 상기 제2 영역이 노출되는 제2 상태에서, 상기 컨택 부재에 의해 상기 슬롯 영역의 상단인 제2 위치에서 상기 슬라이드 메탈 부와 상기 전면 메탈 부가 컨택되어 상기 슬롯 영역에 의한 기생 공진을 제거하는, 이동 단말기.
- 제1 항에 있어서,상기 슬라이드 메탈 부는,상기 이동 단말기의 외관을 정의하는 좌 측면 및 우 측면을 구비하는 제1 메탈 하우징; 및상기 외관을 정의하는 좌 측면, 우 측면 및 하 측면을 구비하는 제2 메탈 하우징을 포함하고,상기 안테나는 상기 제1 메탈 하우징의 상기 좌 측면 및 상기 우 측면에 배치되는, 이동 단말기.
- 제9 항에 있어서,상기 제2 메탈 하우징의 제1 도전 부재 및 제2 도전 부재는 각각 하 측면에 배치되는 제1 서브 부재, 좌 측면 또는 우 측면에 배치되는 제2 서브 부재 및 상기 제1 서브 부재와 상기 제2 서브 부재 사이에 형성된 코너 영역을 구비하고,상기 제1 메탈 하우징의 좌 측면 및 우 측면과 상기 제2 메탈 하우징의 제2 서브 부재는 중첩 형성되고, 상기 중첩된 제1 메탈 하우징은 외관에 노출되지 않고 상기 제2 서브 부재는 외관에 노출되는, 이동 단말기.
- 제10항에 있어서,상기 제1 도전 부재와 상기 중첩된 제1 메탈 하우징은 제1 안테나로 동작하고, 상기 제2 도전 부재와 상기 중첩된 제2 메탈 하우징은 제2 안테나로 동작하고, 상기 제1 도전 부재와 상기 제2 도전 부재 사이에 제3 도전 부재가 배치되고,상기 제1 메탈 하우징의 상기 좌 측면 및 상기 우 측면에 배치되는 제4 도전 부재와 제5 도전 부재에 대응하는 상기 안테나는 각각 제3 안테나 및 제4 안테나로 동작하고,상기 제1 안테나 내지 상기 제4 안테나를 포함하는 하단 안테나는 상기 슬라이드 메탈 부의 측면에 배치되는, 이동 단말기.
- 제1항에 있어서,상기 전면 메탈 부의 상 측면에 배치되고 슬릿에 의해 분리된 제5 도전 부재 내지 제7 도전 부재는 제5 안테나 내지 제7 안테나로 동작하고,상기 제5 안테나 및 상기 제7 안테나는,각각 상 측면에 배치되는 제1 서브 부재, 좌 측면 또는 우 측면에 배치되는 제2 서브 부재 및 상기 제1 서브 부재와 상기 제2 서브 부재 사이에 형성된 코너 영역을 구비하고,상기 제5 안테나 내지 상기 제7 안테나를 포함하는 상단 안테나는 상기 전면 메탈 부의 상 측면에 배치되는, 이동 단말기.
- 제12항에 있어서,상기 제5 안테나는,상기 전면 메탈 부에 수용되는 상부 PCB와 상기 제1 서브 부재의 제1 지점에서 급전부를 통해 전기적으로 연결되고, 상기 상부 PCB와 제2 지점에서 인덕터를 통해 접지부와 전기적으로 연결되고,상기 제5 안테나의 우 측면의 일 지점에서 상기 상부 PCB와 스위치를 통해 전기적으로 연결되어 상기 제5 안테나의 동작 대역이 조절되는, 이동 단말기.
- 제12항에 있어서,상기 제6 안테나는상기 전면 메탈 부에 수용되는 상부 PCB와 상기 제6 도전 부재의 양 단부에서 급전부 및 접지부를 통해 전기적으로 연결되는, 이동 단말기.
- 제12항에 있어서,상기 제7 안테나는 상기 전면 메탈 부에 수용되는 상부 PCB와 상기 제1 서브 부재의 일 지점에서 급전부를 통해 전기적으로 연결되고, 상기 코너 영역의 제2 지점에서 접지부와 전기적으로 연결되는, 이동 단말기.
- 제15항에 있어서,상기 상단 안테나는 상기 제7 안테나와 인접하게 상기 전면 메탈 부의 좌 측면에 배치된 제8 안테나를 더 포함하고,상기 제8 안테나는 상기 상부 PCB와 상기 제2 서브 부재의 일 지점에서 급전부를 통해 전기적으로 연결되고, 상기 코너 영역의 제2 지점에서 접지부와 전기적으로 연결되고,상기 제7 안테나와 상기 제8 안테나는 동일한 상기 코너 영역의 제2 지점에서 그라운드와 전기적으로 연결되는 공통 그라운드 구조로 형성되는, 이동 단말기.
- 제1 항에 있어서,무선 통신부를 구비하는 제1 PCB;상기 제1 PCB와 전기적으로 연결되고, 상기 슬라이드 메탈 부의 일 측 내부에 수용되는 제2 PCB;상기 제2 PCB와 전기적으로 연결되고, 상기 슬라이드 메탈 부의 타 측 내부에 수용되는 제3 PCB; 및상기 무선 통신부와 동작 가능하게 결합되는 프로세서를 더 포함하고,상기 프로세서는,상기 제1 상태 또는 상기 제2 상태가 아닌 제3 상태로 상기 슬라이드 메탈 부가 상기 컨택 부재를 통해 상기 전면 메탈 부와 전기적으로 결합된 상태인지를 판단하고,상기 제3 상태로 결합된 상태라고 판단되면, 상기 안테나를 통해 수신되는 신호를 품질을 측정하도록 상기 무선 통신부를 제어하고,상기 제3 상태는 상기 슬롯 영역의 상단부와 하단부 사이의 임의 지점에서 상기 슬라이드 메탈 부가 상기 전면 메탈 부와 결합되는, 이동 단말기.
- 제17 항에 있어서,상기 프로세서는,상기 안테나를 통해 수신된 신호의 품질이 임계치 이하이면, 상기 안테나가 아닌 상기 전면 메탈 부의 상 측면에 배치된 상단 안테나를 이용하여 신호를 수신하도록 상기 무선 통신부를 제어하는, 이동 단말기.
- 제18 항에 있어서,상기 프로세서는,상기 제3 상태에서 상기 전면 메탈부의 상부에 배치된 제5 안테나 및 제6 안테나 중 하나가 동작하도록 상기 무선 통신부를 제어하고,상기 제5 안테나 및 상기 제6 안테나에 의한 신호 품질이 임계치 이하라고 판단되면, 상기 제2 상태로 전환된 이후 상기 슬라이드 메탈 부의 좌 측면 및 우 측면에 형성된 상기 제3 안테나 및 상기 제4 안테나 중 하나가 동작하도록 상기 무선 통신부를 제어하는, 이동 단말기.
- 제17 항에 있어서,상기 프로세서는,상기 제1 상태에서 상기 슬라이드 메탈 부의 하부에 배치된 제1 안테나 및 제2 안테나 중 하나가 동작하도록 상기 무선 통신부를 제어하는, 이동 단말기.
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PCT/KR2021/005092 WO2022225083A1 (ko) | 2021-04-22 | 2021-04-22 | 안테나를 구비하는 전자 기기 |
US18/555,964 US11967753B2 (en) | 2021-04-22 | 2021-04-22 | Electronic device including antenna |
KR1020237031534A KR20230169946A (ko) | 2021-04-22 | 2021-04-22 | 안테나를 구비하는 전자 기기 |
EP21938001.1A EP4329089A1 (en) | 2021-04-22 | 2021-04-22 | Electronic device including antenna |
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PCT/KR2021/005092 WO2022225083A1 (ko) | 2021-04-22 | 2021-04-22 | 안테나를 구비하는 전자 기기 |
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EP (1) | EP4329089A1 (ko) |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060053064A (ko) * | 2004-11-13 | 2006-05-19 | 엘지전자 주식회사 | 위성 방송 수신용 다중 대역 안테나를 구비한 휴대용 단말기 |
JP2011135175A (ja) * | 2009-12-22 | 2011-07-07 | Nec Corp | 携帯無線機 |
KR20140105886A (ko) * | 2013-02-25 | 2014-09-03 | 삼성전자주식회사 | 유연성 기능영역을 포함한 디스플레이 소자 또는 디스플레이 조립체용 안테나 장치를 구비하는 휴대용 단말기 |
KR20170037464A (ko) * | 2015-09-25 | 2017-04-04 | 엘지전자 주식회사 | 이동 단말기 |
KR20190143029A (ko) * | 2018-06-19 | 2019-12-30 | 삼성전자주식회사 | 플렉서블 디스플레이 및 안테나를 포함하는 전자 장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101622731B1 (ko) * | 2016-01-11 | 2016-05-19 | 엘지전자 주식회사 | 이동 단말기 |
KR20180021432A (ko) * | 2016-08-22 | 2018-03-05 | 엘지전자 주식회사 | 이동 단말기 |
KR20230003540A (ko) * | 2020-05-15 | 2023-01-06 | 엘지전자 주식회사 | 안테나를 구비하는 전자 기기 |
EP4097563A4 (en) * | 2020-07-14 | 2023-07-26 | Samsung Electronics Co., Ltd. | ELECTRONIC DEVICE COMPRISING AN ANTENNA ARRANGEMENT |
KR102290231B1 (ko) * | 2020-09-28 | 2021-08-20 | 삼성전자주식회사 | 플렉서블 디스플레이를 포함하는 전자 장치 |
-
2021
- 2021-04-22 EP EP21938001.1A patent/EP4329089A1/en active Pending
- 2021-04-22 US US18/555,964 patent/US11967753B2/en active Active
- 2021-04-22 KR KR1020237031534A patent/KR20230169946A/ko not_active Application Discontinuation
- 2021-04-22 WO PCT/KR2021/005092 patent/WO2022225083A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060053064A (ko) * | 2004-11-13 | 2006-05-19 | 엘지전자 주식회사 | 위성 방송 수신용 다중 대역 안테나를 구비한 휴대용 단말기 |
JP2011135175A (ja) * | 2009-12-22 | 2011-07-07 | Nec Corp | 携帯無線機 |
KR20140105886A (ko) * | 2013-02-25 | 2014-09-03 | 삼성전자주식회사 | 유연성 기능영역을 포함한 디스플레이 소자 또는 디스플레이 조립체용 안테나 장치를 구비하는 휴대용 단말기 |
KR20170037464A (ko) * | 2015-09-25 | 2017-04-04 | 엘지전자 주식회사 | 이동 단말기 |
KR20190143029A (ko) * | 2018-06-19 | 2019-12-30 | 삼성전자주식회사 | 플렉서블 디스플레이 및 안테나를 포함하는 전자 장치 |
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KR20230169946A (ko) | 2023-12-18 |
EP4329089A1 (en) | 2024-02-28 |
US11967753B2 (en) | 2024-04-23 |
US20240097315A1 (en) | 2024-03-21 |
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