39 results about "Handset antennas" patented technology

The invention provides a defected ground-based broadband high-isolation MIMO (Multiple Input Multiple Output) mobile phone antenna. Each face-to-face inverted-F antenna pair is connected with an inverted-L branch knot; lumped capacitors are arranged at the joints of the radiation arms and the vertical lines where the feeding points are located; 2N linear slots are formed in the feeding points of the N dual-port antenna pairs on the edge of the metal ground; a T-shaped gap is formed in the middle position of the two antennas of each dual-port antenna pair; an antenna pair gap is formed between the two dual-port antenna pairs on the same side; the feed branch knot is printed in the linear slot, and the tail end of the feed branch knot is provided with a lumped capacitor. According to the invention, the distribution of floor current is changed through the T-shaped gap, and the decoupling characteristic of the MIMO mobile phone antenna is realized. By loading the inverted L branches on the inverted F antenna, introducing the coplanar waveguide structure and loading the lumped capacitor, the working bandwidth of the MIMO mobile phone antenna is effectively widened.

The invention discloses a mobile phone antenna based on an improved Huygens antenna, which is characterized in that a traditional Huygens antenna is placed at the top of a dielectric substrate, and the Huygens antennas on the two dielectric substrates are close to each other; modifying the shape of the metal grounding plate; when the included angle between the two dielectric substrates is 90 degrees, the antenna works in a dual polarization state, and when the included angle between the two dielectric substrates is 180 degrees, the antenna works in a linear polarization state. According to the mobile phone antenna, a traditional no-floor Huygens antenna is introduced into mobile phone antenna application, the metal grounding plate required by a mobile phone is added below the traditional no-floor Huygens antenna, and the metal grounding plate is modified, so that the terminal antenna has the advantages of high efficiency and low backward radiation, and the feed structure is more stable; and radiation energy is concentrated in the upper half space, so that the stability of communication connection between the mobile phone and the satellite is further enhanced, and the satellite communication experience of a user of the double-folding mobile phone is improved.

The invention relates to the technical field of mobile phone antennas, in particular to a mobile phone antenna and electronic equipment for exciting a floor characteristic mode based on a shunt feed technology, and the mobile phone antenna comprises a dielectric substrate, an antenna radiation metal patch on the outer side of the dielectric substrate, a metal floor arranged below the dielectric substrate, a low-frequency inverted-F antenna and a power divider, a first low-frequency feed port and a second low-frequency feed port are respectively arranged on corresponding radiation patches on two sides of the metal floor, and the two feed ports are simultaneously and electrically connected with an output end of the power divider through feeder lines, so that parallel feed of the low-frequency inverted-F antenna is realized, low-frequency characteristic modes of two long sides of the metal floor are simultaneously excited, and the low-frequency inverted-F antenna is formed. The low-frequency-band radiation efficiency is improved, the working bandwidth is expanded, and integration with a radio frequency circuit of the whole mobile phone can be completed only through a single excitation source.

The mobile phone antenna easy to disassemble and replace comprises a mobile phone body, an antenna and an antenna connector, the mobile phone connector is arranged on one side of the top of the interior of the mobile phone body, a slot is formed in one side of the top of the mobile phone body and corresponds to the mobile phone connector in a penetrating mode, the antenna is connected to the mobile phone connector in a pluggable mode, and the antenna is connected to the mobile phone connector in a pluggable mode. According to the utility model, the fixing groove is arranged at the outer side of the slot of the mobile phone main body and the antenna, the damping rotating shaft is arranged at the bottom of the fixing groove, the large rotating block is arranged at the top of the damping rotating shaft, and the sealing cover is arranged at the outer side of the large rotating block, so that water vapor and dust are blocked through the sealing cover after the antenna is detached and replaced and are prevented from entering the mobile phone main body; and in order to further block water vapor and dust, a second rubber sealing strip is arranged on the outer surface of the sealing cover, so that the sealing performance of the sealing cover is improved, and water vapor and dust can be better blocked.

The invention discloses a mobile phone antenna health intelligent management system, which belongs to the technical field of mobile phone antenna health management, and comprises a platform end and a user end, the user side comprises an antenna monitoring module, a monitoring feedback module and a health analysis module; the antenna monitoring module is used for monitoring the mobile phone antenna in real time to obtain monitoring information of the mobile phone antenna; the monitoring feedback module is used for performing data feedback analysis on the monitoring information, determining antenna feedback data sent to the platform end, and sending the antenna feedback data to the platform end; the health analysis module is used for performing health analysis on the mobile phone antenna according to the monitoring information and determining a health assessment result of the mobile phone antenna; the platform end comprises an antenna induction module; and the antenna induction module is used for carrying out induction analysis on the mobile phone antenna, receiving antenna feedback data sent by each user side in real time, setting an antenna performance spectrum of the corresponding mobile phone antenna according to the antenna feedback data, and sharing the antenna performance spectrum to the corresponding user side.

This invention belongs to the field of wireless communication technology and discloses a dual inverted "L" broadband low-coupling MIMO mobile phone antenna based on a parasitic grounded stub. This invention proposes a novel antenna structure. This design effectively solves the contradiction between broadband performance and high isolation while maintaining a simple and compact structure. The decoupling and broadband principle of this invention is as follows: an inverted L-shaped parasitic grounded stub with a bent end is introduced below the inner side of the radiating arm. This stub can generate a new coupling path, and the reverse current induced in it exactly cancels the coupling current received by the main radiating arm, achieving decoupling between ports. By slotting on the horizontal arm of the inverted L-shaped radiating stub, a new resonant point is generated in the antenna, effectively widening the antenna's operating bandwidth.

The utility model discloses a mobile phone antenna convenient to assemble, which comprises a mobile phone rear cover, an antenna body is arranged on one side of the top end of the mobile phone rear cover, a positioning arc edge matched with the mobile phone rear cover is arranged on the edge of one side above the antenna body, and four arc-shaped clamping edges are arranged on the upper outer side and the lower outer side of the middle end of the antenna body. The antenna body is provided with four sleeving holes, the edge of one side of the mobile phone rear cover is provided with limiting columns and sleeving columns which are matched with the arc-shaped clamping edges and the sleeving holes, and the posture of the antenna body can be effectively limited and fixed through the limiting columns and the sleeving columns, so that the antenna is prevented from moving during assembly; the multi-point limiting device has the actual using effect of multi-point limiting, attitude positioning can be effectively conducted on the antenna, inclined movement is avoided, therefore, the position accuracy during antenna assembling can be effectively improved, position deviation during antenna assembling can be prevented, the overall quality and efficiency of antenna assembling can be effectively improved during actual assembling operation, and the assembling efficiency of the antenna can be effectively improved. And a good actual use effect is achieved.

This utility model relates to the field of mobile phone antenna technology, and provides a foldable mobile phone antenna, including a mobile phone body and a reserved slot; the reserved slot is provided on one side of the mobile phone body, and a folding structure is provided inside the reserved slot; a protective structure is hinged to one side of the mobile phone body. This utility model, by providing a folding structure, allows the foldable antenna to be rotatably connected inside a rotating rod, and the rotating rod to be rotatably connected inside the reserved slot. When the mobile phone antenna is in use or stored, the limiting rod moves to one side of the rotating rod by the pushing force of a return spring, thereby blocking and limiting the rotating rod. This prevents the rotating rod from easily shifting its position inside the reserved slot, thus achieving the purpose of facilitating the folding and use of the mobile phone antenna.

The utility model provides a loop antenna and a mobile terminal, the loop antenna comprises a first radiation unit, a second radiation unit, a feed component and a grounding component, the first radiation unit surrounds the feed component and is electrically connected with the feed component, and the second radiation unit is electrically connected with the grounding component. The second radiation unit surrounds the grounding part and is electrically connected with the grounding part; the first radiation unit is connected with the second radiation unit, the first radiation unit is provided with a first slot, the second radiation unit is provided with a second slot, the first slot and the second slot are communicated with each other, and a gap is formed between the first radiation unit and the second radiation unit. According to the loop antenna, the overall performance of the antenna can be effectively improved, the loop antenna can realize coverage of multiple frequency bands in a limited space by adopting a specific structural design, and meanwhile, stable carrier aggregation performance is kept; therefore, the problem that the existing mobile phone antenna design is difficult to meet the high requirement of the North America market on carrier aggregation is solved.

The invention discloses an MIMO mobile phone antenna adaptive tuning method based on reinforcement learning. The MIMO mobile phone antenna adaptive tuning method comprises the following steps: collecting working parameters; performing fusion coding on the working parameter set to generate a feature vector containing historical state and time sequence information; calculating an action range boundary according to the working parameter set, and generating a boundary crossing detection rule and a rollback triggering condition; inputting the feature vector and the action range boundary into an improved diffusion strategy generation model, and generating a tuning action by using a hierarchical strategy network; detecting according to a border crossing detection rule and triggering rollback during border crossing to obtain a stable execution state; calculating a stability index, constructing a diversity-stability collaborative reward function, and updating the hierarchical strategy network; and generating a scene label, forming a key value pair index and storing the index, constructing a lightweight strategy and solidifying the lightweight strategy in a network distillation mode. According to the invention, adaptive tuning of the MIMO mobile phone antenna is realized.

The invention discloses dual-system terminal equipment based on antenna switching and a switching method of the dual-system terminal equipment. The dual-system terminal equipment comprises a shell, and an intelligent machine system, a function machine system, an antenna and a shared switching circuit are arranged in the shell; when the common switching circuit detects that the intelligent machine system works, the common switching circuit obtains a power supply from the intelligent machine system and connects the antenna to the intelligent machine system for intelligent communication; and when the common switching circuit detects that the power supply quantity of the intelligent machine system is lower than a threshold value, the common switching circuit obtains a power supply from the function machine system and switches the antenna to access the function machine system for function communication. The two systems share one antenna, the connection and communication modes of the antenna can be automatically switched according to whether the electric quantity of the intelligent machine system is enough or not, one antenna is reduced on the premise that normal work of the dual systems is ensured, the problem of antenna redundancy of an existing two-in-one mobile phone is solved, and the antenna reliability is improved. And the complexity of antenna position layout and electromagnetic compatibility design is greatly reduced.

The invention discloses an 8 * 8 ultra-wideband MIMO (Multiple Input Multiple Output) mobile phone antenna, and relates to the technical field of ultra-wideband. The two groups of antenna array elements correspond to each other, the antenna array elements are located on the substrate, each group of antenna array elements comprises four signal pieces with the same specification, and the four signal pieces are arranged in a circumferential array; the signal piece excites the antenna in a coaxial line back feed mode. According to the 8 * 8 ultra-wideband MIMO mobile phone antenna, due to the fact that the antenna units are orthogonally placed and designed, under the condition that an extra decoupling structure is not introduced, the isolation degree reaches-15dB or below, the ECC is lower than 0.01, the-10dB bandwidth of the antenna reaches 3.3-5.9 GHz, full coverage of 5G and WLAN frequency bands is achieved, the comprehensive performance of the antenna is excellent, and the antenna can be widely applied to the field of mobile phones. The technical problem that an existing mobile phone antenna is complex in structure and poor in applicability when used is effectively solved.

The application discloses a kind of MIMO mobile phone antenna adaptive tuning methods based on reinforcement learning, comprising the following steps: acquisition operating parameter;Operating parameter set is fused and encoded, and the characteristic vector containing historical state and time series information is generated;According to operating parameter set, the action range boundary is calculated, and the out-of-bound detection rule and rollback trigger condition are generated;Characteristic vector and action range boundary are input into improved diffusion strategy generation model, and tuning action is generated using hierarchical policy network;According to the out-of-bound detection rule, detection is carried out and rollback is triggered when out-of-bound, to obtain stable execution state;Stability index is calculated and diversity-stability collaborative reward function is constructed, and hierarchical policy network is updated;Scene label is generated, key-value pair index is formed and stored, and lightweight strategy is constructed and solidified through network distillation method.The application realizes the adaptive tuning of MIMO mobile phone antenna.

The utility model provides a metal frame mobile phone antenna and a metal frame mobile phone. The metal frame mobile phone antenna comprises a metal frame, a first feed end, a second feed end, a third feed end and a filter module connecting end, the metal frame is provided with a first breaking joint and a second breaking joint, and the metal frame is divided by the first breaking joint and the second breaking joint to form an enclosing side frame and a radiation side frame; the first feed end, the second feed end and the third feed end are electrically connected with the radiation side frame in sequence; the filtering module connecting end is used for being connected with a grounding end through a filtering module on a mobile phone mainboard, and the filtering module connecting end is electrically connected with the radiation side frame. According to the mobile phone antenna with the metal frame provided by the utility model, the common branch antenna design on the metal frame is realized under the condition of not increasing breaking joints, the multi-antenna multi-band performance is realized, and the filtering module is utilized to filter high frequency so as to improve the antenna efficiency.

The utility model relates to mobile phone antenna technical field provides a 5G mobile phone antenna with anti -interference function, including mobile phone substrate, the outer wall of mobile phone substrate is installed with assembly mechanism, the assembly mechanism includes the assembly frame fixedly installed in one side of mobile phone substrate, the inside of assembly frame is opened with the slot, the inside of assembly frame is opened with the movable slot, the inner bottom wall of movable slot is opened with the guide groove, the inside movable connection of movable slot has the clamping block, the bottom fixed connection of clamping block has the guide block, the outer wall fixed connection of clamping block has the return spring, the inside installation of assembly frame has the antenna sheet. The utility model discloses through moving antenna sheet, makes it to butt joint and inserts into the slot inside the opening of assembly frame, makes the clamping block along the movable slot and enters the assembly frame, under the action of return spring, can make the one end of clamping block and insert into the clamping groove and carry out the location, plays the effect of being convenient for to the assembly connection of antenna sheet and mobile phone substrate.

The utility model discloses an auxiliary device for LDS antenna processing, and relates to the technical field of LDS antenna processing, the auxiliary device for LDS antenna processing comprises a reaction box, the reaction box is internally provided with an inner cavity, the outer bottom of the reaction box is provided with a first driving motor, the inner bottom of the reaction box is provided with a coupling, and the coupling is provided with a second driving motor. The coupler is located on an output shaft of the first driving motor, a stirring rod is installed at the top of the coupler, a plurality of sets of stirring blades are installed on the outer wall of the stirring rod and evenly distributed on the stirring rod, and electric heating wires are installed on the outer walls of the stirring blades in a winding mode. According to the scheme, the problems that in the using process of an existing chemical nickel plating device for LDS antenna machining, a stirring assembly is lacked, a plating solution cannot be evenly mixed, reaction is prone to being uneven, the uniformity and quality of a mobile phone LDS antenna plating layer are affected, meanwhile, the reaction speed is slowed down, and the production efficiency is affected are solved.

This utility model relates to an antenna bracket, specifically a smartphone antenna bracket. The smartphone antenna bracket includes a support component and a limiting component disposed on the support component. The support component includes an outer frame with an antenna groove formed on its upper surface. The limiting component includes a support plate with a movable groove formed at the end of the support plate near the antenna groove. Mounting grooves are provided on both sides of the movable groove, and a rotating shaft is disposed within the movable groove. The two ends of the rotating shaft respectively enter the two mounting grooves, and a roller is fixed on the rotating shaft. A guide ring is fitted on the outer side of the roller, and a return spring and a positioning seat are provided at the end of the roller away from the rotating shaft. The two ends of the return spring are connected to the roller and the positioning seat respectively. This smartphone antenna bracket makes antenna assembly and disassembly very convenient, eliminating the need for disassembly of parts and making assembly and disassembly more efficient. Different positions on the outer frame can be reinforced using outer and inner folding plates.

The utility model discloses a mobile phone antenna structure and a smart phone capable of receiving television signals, the mobile phone antenna structure comprises a mobile phone frame and a mobile phone middle frame, the mobile phone frame is fixedly connected with the mobile phone middle frame, the mobile phone frame is provided with an installation gap, the installation gap is provided with a metal antenna, and the metal antenna is provided with a metal wire. The metal antenna is used for receiving wireless television signals, the metal antenna is connected with the mobile phone middle frame, two ends of the metal antenna are respectively connected with the mobile phone frame, a circuit board is arranged in the mobile phone middle frame, and the metal antenna is electrically connected with the circuit board. According to the utility model, television live broadcast can be directly watched without a network, so that the use cost of a user is reduced; moreover, the metal antenna is embedded into the frame of the mobile phone, so that excessive cumbersome structures are avoided, the mechanical structure is simplified, the attractiveness of the mobile phone is improved, and the use favor of a user can be improved.

The invention relates to the technical field of communication data processing, in particular to an intelligent processing system for mobile phone antenna supervision data, which comprises the following steps of: identifying an operation signal value in an area to obtain an abnormal signal, analyzing mobile equipment at the position according to the position of the abnormal signal to determine a signal abnormal area, and sending the signal abnormal area to a server; then identifying mobile devices in the signal abnormal area, acquiring characteristic values of data signals of the mobile devices, analyzing the characteristic values, dividing the mobile devices in the signal abnormal area into a plurality of antenna receiving groups, analyzing the signal receiving rate of the mobile devices in each antenna receiving group, determining compensation parameters, and finally, determining the signal receiving rate of the mobile devices in each antenna receiving group on the basis of the compensation parameters. According to the invention, the method has strong adaptive capability, can adapt to different signal environments and mobile equipment distribution conditions, and improves the automation level and efficiency of signal processing.

Mobile communication antenna structure (200) in a vehicle (100), wherein the mobile communication antenna structure (200) comprises: a base plate (220) designed to follow an inclination of a spoiler support (120), wherein the spoiler support (120) is a part of the vehicle (100) that is covered by a spoiler (110), a mobile phone antenna (210), and a support structure (230) which is attached to the base plate (220) and is designed to maintain a fixed position of the mobile communication antenna (210); characterized by the fact that the mobile phone antenna (210) is perpendicular to the base plate (220) and is electrically connected to the base plate (220); wherein the fixed position of the mobile phone antenna (210) is oriented perpendicular to the base plate (220).

The utility model relates to the technical field of mobile phone assembly, and particularly discloses mobile phone antenna arrangement equipment which comprises a rack, a conveying unit, an antenna bevel arrangement unit and an antenna side wall arrangement unit. The rack is provided with a first station and a second station. The conveying unit is used for conveying the mobile phone frame from the first station to the second station. The antenna bevel arrangement unit is located at the first station and comprises a first driving mechanism and a first abutting structure, and the first abutting structure is suitable for abutting against the bevel part of the mobile phone antenna. The antenna side wall arrangement unit is located at the second station, the antenna side wall arrangement unit comprises a second driving mechanism and a second abutting structure, and the second abutting structure is suitable for abutting against the side wall of the mobile phone antenna. In the arrangement process of the mobile phone antennas, the automation degree is high, force is properly and evenly applied, the attaching effect of the mobile phone antennas and the mobile phone frame is good, the product yield is improved, the mobile phone antennas can be prevented from being damaged, auxiliary material losses are reduced, and meanwhile the arrangement efficiency of the mobile phone antennas can be improved.

The application relates to the technical field of mobile phone antennas, and discloses a metal frame zero-clearance millimeter wave mobile phone antenna, which comprises a metal frame; the metal frame is provided with a rectangular window; a dielectric material block; and a laminated circuit board; the laminated circuit board comprises an upper metal surface, a lower metal surface, an upper dielectric substrate, a lower dielectric substrate, a glue layer, a feeding line, a metalized blind hole and a metalized through hole; the part of the laminated circuit board comprising the metalized blind hole is arranged in the interior of the rectangular window; the glue layer and the feeding line are arranged between the upper dielectric substrate and the lower dielectric substrate; and the metalized blind hole and the upper dielectric substrate are arranged in a penetrating mode. The metal frame, the dielectric material block and the laminated circuit board are conformal, integrated design is realized, two kinds of antenna groups are combined, a complementary source antenna is formed by simultaneous excitation, the working bandwidth is greatly widened, and the performance of the overall antenna is improved.

The utility model relates to the technical field of mobile phone receivers, and discloses a three-proofing mobile phone LDS antenna contact receiver, which comprises a mobile phone main body, a bottom shell support and a bottom shell cover plate, the bottom shell support is arranged in a collection main body, the bottom shell cover plate is arranged on the bottom shell support, a laser LED antenna, a laser LDS antenna and a mobile phone receiver are respectively arranged on the bottom shell support, and the mobile phone receiver is arranged on the bottom shell support. The laser LDS antenna is connected with a mainboard elastic sheet on the bottom shell support, a receiver elastic sheet on the mobile phone receiver is connected with the laser LDS antenna, a camera is installed in the middle of the bottom shell support, the laser LDS antenna and the mobile phone receiver are adjacently arranged at one end of the bottom shell support, and the laser LDS antenna is arranged on the surface of the bottom shell support in a laser carving mode. A receiver switching FPC is replaced by a laser LDS antenna circuit, seamless fusion of an antenna and a mobile phone structure is realized, the occupied space is reduced, the cost is reduced, and the radiation-proof film is arranged on the periphery of the mobile phone receiver, so that radiation of mobile phone electromagnetic waves to a human body is blocked.

The invention relates to the technical field of communication, in particular to a satellite mobile phone antenna communication-in-motion servo system based on self-feedback, which judges the orientation of a satellite through a small plum-blossom-shaped array antenna in horizontal and vertical dimensions by using different signal intensities of different antennas. And then the two servo motors are driven to drive the holder to move in the direction with stronger signals in the horizontal dimension and the vertical dimension until the strongest signal posture is found, so that the aim of satellite alignment is fulfilled. The device is small in size and light in weight, can be mounted on a vehicle and can also be made into a portable automatic satellite alignment holder, the problem of signal attenuation or interruption caused by position movement of a satellite mobile phone in a vehicle or a room is solved, real-time satellite alignment of a satellite antenna is achieved especially in the running process of a vehicle or a person, and the service life of the satellite antenna is prolonged. The method ensures continuity of ground-air communication or data links, and particularly has very important practical significance in emergency occasions such as emergency rescue and combat.

The invention relates to the technical field of mobile phone antennas, and discloses a metal frame zero-clearance millimeter wave mobile phone antenna, which comprises a metal frame; wherein the metal frame is provided with a rectangular window; a block of dielectric material; laminating the circuit board; wherein the laminated circuit board comprises an upper-layer metal surface, a lower-layer metal surface, an upper-layer dielectric substrate, a lower-layer dielectric substrate, a cementing layer, a feeder line, a metalized blind hole and a metalized through hole, and the part, comprising the metalized blind hole, of the laminated circuit board is arranged in the rectangular window. And the cementing layer and the feeder line are arranged between the upper dielectric substrate and the lower dielectric substrate. And the metalized blind hole and the upper dielectric substrate are arranged in a penetrating manner. The metal frame, the dielectric material block and the laminated circuit board are conformal, integrated design is achieved, the two antennas are combined and excited at the same time to form the complementary source antenna, the working bandwidth is greatly widened, and the performance of the whole antenna is improved.

The present invention discloses a fifth-generation mobile communication 5G high-isolation MIMO mobile phone antenna, which belongs to the field of mobile communication technology. The MIMO mobile phone antenna of the present invention includes eight circular slot antenna units with the same structure and symmetrically distributed on both sides; the circular slot antenna unit includes a dielectric substrate, a radiating microstrip line, a hexagonal parasitic slot structure, a ground plate and a coaxial connector. The MIMO antenna of the present invention improves the isolation without significantly increasing the size of the antenna by introducing a decoupling structure design; adopts an optimized antenna unit structure and overall layout to effectively reduce the additional loss caused by complex circuit design; covers the 5G mobile communication frequency band, ensuring excellent signal independence performance; has a small overall size, well adapted to the compact layout requirements of ultra-thin devices, and has achieved significant improvements in space occupancy and key frequency band performance, providing an ideal solution for high-density integration of 5G terminals.

The invention relates to the technical field of mobile phone antenna production, in particular to an injection molding device and method for mobile phone antenna production. The device comprises a control table, a base is arranged at the top end of the control table, a fixing assembly is arranged at the upper end of the base, a lower mold assembly is arranged on the inner side of the fixing assembly, an upper mold assembly is arranged at the upper end of the fixing assembly, a supporting table is arranged on the upper mold assembly, and a melt box is arranged on the supporting table. The mobile phone antenna injection mold has the beneficial effects that the mobile phone antenna can be conveniently and safely mounted on the injection mold, and vibration demolding can be carried out after injection molding.

The invention discloses a 5G high-isolation MIMO mobile phone antenna for fifth generation mobile communication, and belongs to the technical field of mobile communication. The MIMO mobile phone antenna comprises eight annular slot antenna units which have the same structure and are symmetrically distributed on two sides; the annular slot antenna unit comprises a dielectric substrate, a radiation microstrip line, a hexagonal parasitic slotted structure, a grounding plate and a coaxial connector. According to the MIMO antenna, the decoupling structure design is introduced, so that the isolation degree is improved under the condition that the size of the antenna is not obviously increased; an optimized antenna unit structure and overall layout are adopted, so that extra loss caused by complex circuit design is effectively reduced; the 5G mobile communication frequency band is covered, and excellent signal independence performance is ensured; the antenna is compact in structure and small in overall size, the compact layout requirement of ultra-thin equipment is well met, space occupation and key frequency band performance are remarkably improved, and an ideal solution is provided for high-density integration of a 5G terminal.

The invention discloses a method for improving the bandwidth performance of a mobile phone antenna through a fractal geometric algorithm, and the method comprises the following steps: S1, designing an antenna geometric structure, and selecting a self-similar fractal graph; s2, beam forming is carried out to adjust the direction and the gain; s3, sensing the spectrum and selecting an idle frequency band; s4, performing particle swarm optimization on antenna and spectrum allocation; s5, optimizing bandwidth and resisting interference through space-time coding; s6, performing adaptive modulation and coding adjustment; and S7, carrying out spectrum scheduling and bandwidth maximization through an ant colony algorithm. By combining the fractal geometric algorithm, the dynamic beam forming, the spectrum sensing, the resource scheduling and other technologies, the bandwidth performance, the anti-interference capability and the spectrum utilization rate of the mobile phone antenna are optimized, and the overall performance of a communication system is improved.

The invention discloses a low-SAR folding screen mobile phone antenna based on reconfigurable parasitism. The problems that in the prior art, an antenna is large in size, and the use scene of the low-SAR characteristic of the antenna is single are mainly solved. According to the scheme, an antenna comprising an initial antenna structure and a reconfigurable parasitic structure is arranged at the lower right corner of a metal frame in an unfolded state of a folding screen mobile phone model, and an auxiliary frame parasitic branch knot and a plastic frame are arranged at the lower left corner and correspond to the initial antenna structure and the reconfigurable parasitic structure in position; wherein the initial antenna structure comprises an upper branch knot and a lower branch knot and is additionally provided with a matching circuit, and the working bandwidth of the initial antenna structure can cover two frequency bands; a reconfigurable parasitic branch knot is introduced on the basis of an initial antenna, and parasitics of different frequency bands are enabled to act respectively through switching of a switch. According to the invention, the size of the folding screen mobile phone antenna is significantly reduced, dual-band coverage can be realized, and the folding screen mobile phone antenna has low SAR performance in two states and can be used for 5G wireless communication.