CN101137153B - Mobile wireless communications device having dual antenna system for cellular and WiFi - Google Patents
Mobile wireless communications device having dual antenna system for cellular and WiFi Download PDFInfo
- Publication number
- CN101137153B CN101137153B CN2007101386112A CN200710138611A CN101137153B CN 101137153 B CN101137153 B CN 101137153B CN 2007101386112 A CN2007101386112 A CN 2007101386112A CN 200710138611 A CN200710138611 A CN 200710138611A CN 101137153 B CN101137153 B CN 101137153B
- Authority
- CN
- China
- Prior art keywords
- antenna
- mobile radio
- communication apparatus
- radio communication
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 100
- 230000001413 cellular effect Effects 0.000 title claims abstract description 52
- 230000009977 dual effect Effects 0.000 title 1
- 238000000034 method Methods 0.000 claims description 13
- 238000010295 mobile communication Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000005404 monopole Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 17
- 238000013461 design Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000003213 activating effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000010267 cellular communication Effects 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 101000597193 Homo sapiens Telethonin Proteins 0.000 description 2
- 102100035155 Telethonin Human genes 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000011469 building brick Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XOOFLVNFEPIPIW-KQQUZDAGSA-N (1e,4e)-1,5-bis(furan-2-yl)penta-1,4-dien-3-one Chemical compound C=1C=COC=1\C=C\C(=O)\C=C\C1=CC=CO1 XOOFLVNFEPIPIW-KQQUZDAGSA-N 0.000 description 1
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 1
- -1 PCB Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000003872 feeding technique Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000000060 site-specific infrared dichroism spectroscopy Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
A mobile wireless communications device includes a housing and circuit board carried by the housing. Radio Frequency (RF) circuitry is mounted on the circuit board. A first antenna is supported by the circuit board within the housing and operatively connected to the RF circuitry and configured for cellular phone communications. A second antenna is supported by the circuit board within the housing and operatively connected to the RF circuitry and configured for WiFi communications. The second antenna comprises an inverted-F or monopole antenna having an opening gap that is pointed away from the first antenna.
Description
Technical field
The present invention relates to the field of communication equipment, more specifically, relate to the communication equipment that uses dual-antenna system.
Background technology
Cellular communication system is universal day by day, and becomes the major part in individual and the business correspondence.Cell phone and similar devices make the user can dial and receive call in travelling.In addition, along with the raising of cellular telephony, cellular function also increases.For example, a plurality of cellular devices have been incorporated the feature of PDA(Personal Digital Assistant) now into, for example calendar, address book, task list, calculator, memorandum and writing program etc.For example, when equipment comprises the circuit that is applicable to WiFi and other IEEE802.11WLAN visit, these multifunctional equipments make the user can wirelessly send and receive Email (email) message usually, and can visit the Internet by cellular network and/or wireless lan (wlan).
The burst group transmission is used in multiple cellular communication, as the part of global system for mobile communications (GSM) system that comprises 850MHz, 900MHz, 1800MHz and 1900MHz frequency range.Although these mobile radio communication apparatus are as above-mentioned cell phone, but the feature of PDA(Personal Digital Assistant) also can be operated and incorporate into to these equipment, wirelessly send and receive Email and other message, and visit the Internet by cellular network and/or WLAN (wireless local area network) (LAN).This function can comprise the visit to " focus ", and " focus " is to use the part of the WiFi network of IEEE802.11 standard.
When this equipment has been incorporated the WiFi technology into, circuit can be used as based on the IEEE802.11 standard and use the wlan product of one or more access points (AP) as " focus " and a plurality of users.AP typically uses those skilled in the art's so-called " beacon ", comes broadcast service set identifier " network title " (SSID), and in some nonrestrictive examples, beacon is broadcasted about 100 milliseconds in the duration of each about 1Mbit/s.A few thing in this WiFi equipment is 2.4 or the 5.0GHz wave band.
WAP (wireless access point) is connected to adjacent cable LAN with wireless station usually, and carries out work similarly with ethernet concentrator.Access point can be relayed to wireless data other compatible wireless device and the single lan device that links to each other, for example ethernet concentrator or switch.Wireless router is generally used for WAP (wireless access point) and ethernet switch hub and ethernet router integrated.
In mobile radio communication apparatus, if integrated cellular capacity and WiFi ability, then use two different antennas usually, for example be operated in the main cellular antenna of GSM or other CDMA wave band and be operated in the WiFi antenna of 2.4GHz wave band at least, make equipment not only with honeycomb gsm communication compatibility, and the compatibility of communicating by letter with the WiFi that uses the IEEE802.11 standard.Yet, along with mobile phone in size and thickness become littler of meeting the need of market and terminal temperature difference consumer's hope, the Antenna Design difficulty more that becomes.For the mode with compactness realizes a plurality of antennas, but designing antenna is to reduce the coupling between each antenna.This is essential for strengthening radio performance not only, and realizes that for reducing to be used to the cost of the electromagnetic interference (EMI) filter at harmonic frequency place is essential.Therefore, the type of the Antenna Design of using in this equipment is closed extremely important for reducing owing to the GSM or the similar cellular antenna that are operated in 850MHz for example and being operated in the mutual coupling that the triple-frequency harmonics between the WiFi antenna of 2.4GHz produces.It is difficult that these antenna is isolated, but can introduce different feeding techniques strengthens two isolation between the antenna.For example these two systems of the cellular system of wide area network (WAN) and WiFi system need work simultaneously, so the isolation between the antenna is very crucial.
US2006/0181468 discloses a kind of antenna assembly and has used the portable radio machine of this antenna assembly, wherein, has reduced to be operated in the coupling between the antenna element on the frequency band of close to each other or crossover.
WO2005/067635 relates to a kind of mobile communication equipment, has cellular communication module and WiFi communication module and be applicable to existing communication switched to the commutation circuit of WiFi communication module (vice versa) from cellular communication module.
US2005/057407 relates to a kind of communicator, comprises first antenna that links to each other with first telecommunication circuit and second antenna that links to each other with the second communication circuit, wherein, and the direction of the deviation in driction second antenna equipment resonance of the first antenna equipment resonance.This device comprises the passive wave guide element that is used to reduce two interference between antennas.
Summary of the invention
A kind of mobile radio communication apparatus comprises shell and by the shell circuit board carried.Radio frequency (RF) circuit is installed on this circuit board.First antenna is supported by the circuit board in the shell, and is connected in operation with the RF circuit, and is arranged to cellular telephone communication.Second antenna is supported by the circuit board in the shell, and links to each other with the RF circuit in operation, and is arranged to WiFi communication.Second antenna comprises down F or unipole antenna, and this antenna has the opened gap away from first antenna.
In one aspect of the method, first antenna is operated in the frequency place of global mobile system (GSM) communication band (or CDMA).Second antenna according to 802.11 standard operations at 2.4GHz and 5.0GHz wave band place.Second antenna can comprise distributing point, and distributing point is positioned at the opposite end of opened gap away from opened gap.Shell can comprise the upper and lower.In one aspect, first antenna is positioned at the bottom of shell, and second antenna is installed on the circuit board at shell upper place.In a nonrestrictive example, opened gap makes progress towards the top of shell.
In one aspect of the method, circuit board can form the ground plane of first and second antennas.In a nonrestrictive example, second antenna roughly is configured to rectangle on vertical view, and comprises the upper edge of the opened gap that forms F or unipole antenna.The lower edge forms the bottom of antenna.This lower edge or limit can be included in the distributing point and the earth point of its relative corner, and distributing point and earth point are put upside down each other.In another nonrestrictive example, the length of second antenna can be configured to 1/4th or 1/2nd wavelength.
According to a nonrestrictive example, the WiFi antenna is operated in the 2.4GHz frequency range in this non-limiting example, and is base drive with respect to the cellular antenna that is positioned at shell equally.This relative positioning has reduced in third harmonic frequencies place and for example mutual coupling of the cellular antenna of GSM850MHz antenna and has closed.For clear and explanation, term WiFi antenna can refer to be operated in according to 802.11 and the antenna of the arbitrary number at the frequency range place of similar standard.This term WiFi antenna also comprises different bluetooth applications.
The length of WiFi antenna can be 1/4th or 1/2nd wavelength, and preferably forms down F or one pole type antenna.The opened gap in F or the one pole type antenna of falling is preferably located in the cellular antenna of for example GSM antenna (or CDMA) of the office, bottom of device housings back to (faceaway).F or one pole type WiFi antenna are positioned on the main printed circuit board (PCB) of wireless device, for example are positioned at top.This PCB also is used as the ground plane of antenna.The WiFi antenna comprises distributing point and earth point, is preferably located in down the bottom of F or one pole type antenna, and and opened gap.Two positions of this of earth point and distributing point are interchangeable.It should also be understood that down that F or one pole type antenna can be used for other non-WiFi and use, for example GPS.
Description of drawings
In conjunction with the accompanying drawings, from following detailed description, other purpose, feature and advantage will be apparent, in the accompanying drawing:
Fig. 1 is the schematic block diagram of example that is configured to the mobile radio communication apparatus of the handheld device that can use according to non-limiting example, and shows its basic intraware.
Fig. 2 is the front view of the mobile radio communication apparatus of Fig. 1.
Fig. 3 shows the schematic block diagram of the basic function circuit unit in the mobile radio communication apparatus that can be used on Fig. 1-2.
Fig. 4 shows the inside with similar mobile radio communication apparatus shown in Fig. 1-3, and shows in detail the vertical view of the relative position of WiFi antenna and honeycomb (or GSM) antenna.
Fig. 5 is the part end view of communication equipment shown in Figure 4, and show according to the circuit board of the base drive WiFi antenna that forms inverse-F antenna of non-limiting example and the partial view of configuration, and show up opened gap and with respect to the position of cellular antenna.
Fig. 6 is the part vertical view of circuit board shown in Figure 5, and shows position according to the cellular antenna of non-limiting example, forms the relative earth point of the following corner of the position of WiFi antenna of inverse-F antenna and inverse-F antenna and the position of distributing point.
Embodiment
With reference now to accompanying drawing, different embodiment is intactly described, preferred embodiment shown in the drawings.Can propose multiple different form, and described embodiment should not be construed the restriction to the embodiment that proposes here.But, provide these embodiment so that the disclosure is thorough and perfect, and pass on protection range to those skilled in the art.In the text, similarly Reference numeral is represented similar elements.
Provide concise and to the point description about Fig. 1-3 now, Fig. 1-3 discloses for example example of the mobile radio communication apparatus of handheld portable cellular radio device, and it can comprise the non-limiting example of the various circuit that can use with cellular antenna and WiFi antenna.Fig. 1-3 is expressed as follows the functional circuit elements of the described number of different types of using with antenna and the non-limiting example of interconnection thereof.
Initial reference Fig. 1 and 2 at first describes for example example of the mobile radio communication apparatus 20 of handheld portable cellular radio device.This equipment 20 schematically comprises the shell 21 with top 46 and bottom 47; And by the base of dielectric (being circuit board 67) of shell carrying, for example traditional printed circuit board (PCB) (PCB) substrate.Casing cover (not being shown specifically) is the front portion of covering shell typically.Hereinafter used term circuit board 67 can refer to arbitrary medium substrate, PCB, ceramic bases or other circuit bearing structure, is used to carry signal circuit and electronic building brick in the mobile radio communication apparatus 20.For example, shown in shell 20 are static housing, opposite with renovating of in multiple cell phone, using or slidingtype shell.Yet, also can use these or other shell to dispose.
In addition, audio frequency output transducer 49 (for example loud speaker) is carried by the top 46 of shell 21, and links to each other with circuit 48.For example one or more user's input interface devices of keypad (keyboard) 23 (Fig. 2) are equally preferably carried by shell 21, and link to each other with circuit 48.Term keypad used herein also refers to the term keyboard, and expression has the user input device of known letter and/or numerical key and comprises other concrete equipment multi-hit or the prediction input pattern.Other example of user's input interface device comprises roller 37 and back 36.Certainly, can recognize, can use other user's input interface device (for example writing pen or touch screen interface) in other embodiments.
For example the cellular antenna 45 of GSM antenna is preferably located in the bottom 47 in the shell, and can form conductive traces (trace) pattern that constitutes antenna circuit, forms antenna physically.This cellular antenna links to each other with circuit 48 on the main circuit board 67.In a non-limiting example, cellular antenna can be formed on from the antenna circuit plate portion of the main circuit board extension of outer casing underpart.In U.S. Patent application No.2006/0172785, disclose and to have used or to revise so that the example of the cellular antenna that uses, in the lump as a reference at this with its full content.By cellular antenna 45 being positioned over the bottom 47 of closing on shell 21, advantageously increased the distance between the cellular antenna and user's head when using phone, help to observe the SAR requirement that is suitable for.In addition, can use the keyboard pcb of separation.Explain in detail that as following institute WiFi antenna (this is not shown) can be away from cellular antenna 45.
More specifically, the user typically makes the top of shell 21 remain close to its head, so that audio frequency output transducer 49 is directly pressed close to its ear.Yet the bottom that does not need audio frequency to be imported the shell 21 at transducer (being microphone) place is positioned over the mouth of directly being close to the users, but can be away from user's mouth.That is, make audio frequency input transducer not only can make the user feel uncomfortable, and also can make user's audio distortions in some cases near user's mouth.
Another significant advantage that cellular antenna 45 is positioned over the bottom 47 of latch housing 21 is: this makes because stopping of user's hand and smaller to the influence of antenna performance.That is, the user typically holds cell phone towards the middle part of shell to top, therefore, is positioned under the situation of bottom 47 of latch housing 21 with antenna, and this more may be placed on hand on the antenna.Therefore, by cellular antenna 45 being positioned over the bottom 47 of latch housing 21, can realize more reliable performance.
Another advantage of this configuration is that it is to providing more space at one or more auxiliary I/O (I/O) equipment 50 of the top of shell 21 46 carryings.In addition, separate the interference between reducing with I/O equipment 50 by making cellular antenna 45.
The example of auxiliary I/O equipment 50 comprises: and WiFi or WLAN (bluetooth for example, IEEE802.11) antenna is explained in detail as following institute, is used to provide the WLAN communication capacity; And/or global position system (for example GPS, Galileo etc.) antenna, as is known to the person skilled in the art, be used to provide position location capability.Other example of auxiliary I/O equipment 50 comprises: the second audio frequency output transducer (loud speaker that for example is used for speakerphone operation); And camera lens, be used to provide the digital camera ability; Electronic device connector (for example USB, earphone, secure digital (SD) or storage card etc.).
Should be noted that this equipment of term " I/O " expression that uses at auxiliary I/O equipment 50 can have input and/or fan-out capability here, but do not need all to provide in all embodiments these two abilities.That is, for example the equipment of camera lens can only receive the optics input, and headset plug can only provide audio frequency output.
When at first pressing or activating alternative function key 25, next key 26 also is used for input " * " symbol.Similarly, when at first activating alternative function key 25, space bar 27, switch key 28 and backspace key 30 are respectively applied for input " 0 " and " # ".As is known to the person skilled in the art, keypad 23 also schematically comprises transmission key 31, end key 32 and the shortcut (being menu) 39 that is used to dial cellular calls.
In addition, the symbol arrangement on each key 24 is in top line and end row.When the user presses key 24, at first do not pressing under the situation of alternative function key 25, the symbol in the input end row, and import the symbol of top line by at first pressing alternative function key.From Fig. 2 as seen, many symbolic keys 24 are arranged in the first three rows of the keypad 23 under transmission and the end key 31,32.In addition, the letter character on each key 24 is provided for defining the QWERTY layout.That is, the letter on the keypad 23 presents with the form of triplex row, and the letter of each row has order and the relative position identical with standard QWERTY keypad.
Each line unit (comprising fourth line function key 25-29) is arranged as 5 row.Have figure notation (promptly 1 to 9) on many symbolic keys 24 of second, third of first, second and the third line and the 4th row, can visit by at first activating alternative function key 25.As is known to the person skilled in the art, combine with above-mentioned next key 26, space bar 27 and the switch key 28 of when at first activating alternative function key 25, importing " * ", " 0 " and " # " respectively, this group key definition the standard telephone keypad layout that can in traditional tones (toouch-tone) phone, find.
Therefore, above-mentioned mobile radio communication apparatus 20 can advantageously not only be used as traditional cell phone, but also can be advantageously used in sending and/or receive data by honeycomb or other network, for example by the Internet and e-mail data.Certainly, in other embodiments, also can use other keypad configuration.As is known to the person skilled in the art, multi-hit or prediction input pattern can be used for keying in Email etc.
Mobile radio communication apparatus shown in Fig. 1 and 2 can be incorporated Email and information receiving and transmitting account into, and different functions is provided, for example writing Email, PIN message and SMS message.This equipment can come administrative messag by suitable menu, can retrieve this menu by selecting message icon.Address book function can add the contact person, allows the management address book, the address book option is set and manage the SIM card telephone directory.Menu call makes and can use different call attributes to dial and receive phone calls, the management of telephone call daily record, the phone option be set and check phone information.Browser application can allow browsing page, configure browser, interpolation bookmark and change browser options.Other application can comprise task, memorandum notepad, calculator, warning and recreation and the handheld options with a plurality of benchmark.
The optional icon of another day going through is to be used to enter calendar program, and calendar program can be used for developing and managing the incident such as meeting with or dating.Calendar program can be any one information receiving and transmitting or appointment/meeting program, the incident that allows the manager to set up for example appointment or meet with.
Below with reference to Fig. 3, in example, further describe the non-limiting example of various functional units available in the exemplary mobile radio communication apparatus of Fig. 1 and 2.Equipment 20 schematically comprises shell 120, keypad 140 and output equipment 160.Shown in output equipment 160 display preferably, this display is full graphics LCD preferably.Alternatively, can use the output equipment of other type.Treatment facility 180 is included in the shell 120, and is connected between keypad 140 and the display 160.Treatment facility 180 response users activate the key on the keypad 140 and control the operation of display 160 and all operations of mobile device 20.
Except treatment facility 180, Fig. 3 also schematically shows the other parts of mobile device 20.These parts comprise: communication subsystem 101; Short-range communications subsystem 102; Keypad 140 and display 160, and other input-output apparatus 106,108,110 and 112; And memory device 116,118 and various miscellaneous equipment subsystem 121.Mobile device 20 preferably has the two-way RF communication equipment of voice communications versus data communications ability.In addition, mobile device 20 preferably has the ability that communicates by the Internet and other computer system.
By communication subsystem 101 and possible short-range communications subsystem, carry out the communication function that comprises data and voice communication.Communication subsystem 101 comprises receiver 150, transmitter 152 and one or more antenna 154 and 156.In addition, communication subsystem 101 also comprises for example processing module and the local oscillator (LO) 161 of digital signal processor (DSP) 158.The particular design of communication subsystem 101 and realization depend on that mobile device 20 is intended to the communication network of work.For example, mobile device 20 can comprise communication subsystem 101, and this communication subsystem 101 is designed for Mobitex
TM, Data TAC
TMOr GPRS (GPRS) mobile data communication network carries out work, also is designed for to carry out work such as in a plurality of voice communications of AMPS, TDMA, CDMA, PCS, GSM etc. any one.Mobile device 20 also can use the separation of other type or integrated data and voice network.
Network access requirements changes according to the type of communication system.For example, in Mobitex and DataTAC network, mobile device uses unique individual identification code or the PIN relevant with each equipment to register on network.Yet, in GPRS network, the subscriber of access to netwoks and equipment or subscriber-related.Therefore, GPRS equipment need be commonly referred to the subscriber identity module of SIM card, to work on GPRS network.
When finishing required network registry or activation, mobile device 20 can send and receiving communication signal on communication network 141.The signal that antenna 154 receives from communication network 141 is routed to receiver 150, and receiver 150 provides signal amplification, down-conversion, filtering, channel selection etc., and analog-digital conversion can also be provided.The analog-digital conversion of received signal makes DSP158 can carry out more complicated communication function, for example the demodulation sign indicating number.In a similar fashion, DSP158 handles the signal will send to network 141 (for example modulate and encode), provides it to transmitter 152 then carrying out digital-to-analog conversion, up-conversion, filtering, amplification, and is transmitted into communication network 141 by antenna 156.
Except process communication signals, DSP158 provides the control to receiver 150 and transmitter 152.For example, can control the gain that is applied to the signal of communication in receiver 150 and the transmitter 152 adaptively by the automatic gaining controling algorithm of in DSP158, realizing.
Under data communication mode, the received signal that communication subsystem 101 is handled such as text message or web pages downloaded, and with its input processing equipment 180.Then, treatment facility 180 is further handled to received signal, outputing to display 160, or outputs to some other auxiliary I/O equipment 106 alternatively.The equipment user also can use other auxiliary I/O equipment 106 of keypad 140 and/or some, and for example the input equipment of touch pad, rocker switch, thumb wheel or some other types comes for example data item of email message of writing.By communication subsystem 101, on communication network 141, send the data item of institute's writing then.
Under voice communication mode, except received signal being outputed to loud speaker 110 and being produced the signal that will send by microphone 112, all operations and the data communication mode of equipment are similar substantially.Also can on equipment 20, realize alternative voice and/or audio frequency I/O subsystem, for example speech message recording subsystem.In addition, display 160 also can be used under the voice communication mode, for example is used for the identity of show Calls side, duration or other information relevant with audio call of audio call.
Short-range communications subsystem can realize that all mobile device 20 and other close on the communication between the system or equipment (needing not to be similar devices) arbitrarily.For example, closely subsystem can comprise infrared equipment and about circuit and assembly, perhaps bluetooth
TMCommunication module is used to provide and the communicating by letter of system of enabling similar functions and equipment.
Should be appreciated that GSM is an a kind of preferred communication system, and use radio interface, as non-limiting example, this radio interface can have the upstream band and the downstream bands of about 25MHz bandwidth, and these frequency bands typically are subdivided into 124 carrier frequency channels, each at interval about 200KHz.Can use time division multiplexing to allow every radio-frequency channel that about 8 voice channels are arranged, 8 radio time slots and 8 Burst Periods are combined as so-called tdma frame.For example, in a non-limiting example, channel data rates can be about 270.833Kbps, and a frame continues about 4.615 milliseconds (MS).Power output can change to about 2 watts scope at about 1 watt.
Also can use linear predictive coding (LPC) to reduce bit rate, and provide parameter, with the sound channel of simulation with the voice of about 13Kbps coding to filter.In the GSM network, can use four different cell size, comprise macrocell, Microcell, skin sub-district and umbrella cell.Antenna for base station can be installed on the main building that is higher than average roof height in the macrocell.In Microcell, antenna height can be lower than average roof height, and can be used on the urban district.Microcell typically has about tens meters diameter, and is used in indoor.Umbrella cell can cover dead zone (shadowedregion) or littler sub-district.Typically, the longest distance of the GSM standard that antenna covered is about 22 miles, depends on antenna height, gain and propagation conditions.
Gsm system typically comprises base station sub-system, network and handover subsystem and GPRS (GPRS) core network.Usually in communication equipment, realize subscriber identity module (SIM), for example known SIM card, itself and smart card are similar, comprise user's subscription information and telephone directory.The user also can be switched hand-held set or change the operator by changing SIM.
The GSM signaling protocol has three general layer.Layer 1 is to use the physical layer of the channel architecture on the air interface.Layer 2 is data link layers.Layer 3 is signaling protocols, comprises three sublayers.These three sublayers comprise the RRM sublayer, be used to control wireless and fixed channel foundation, keep and stop, comprise switching.The mobility management sub-layer management position is upgraded and registration process, and guarantees the safety that authenticates.The calling control that the connection management sub-layer processes is general, and administrating additional services and Short Message Service.MAP (MAP) on the Transaction Capability Application Part TCAP (TCAP) of the superiors that can be by being structured in No.7 signalling system is realized such as the signaling between the different entities of attaching position register (HLR) and Visited Location Registor (VLR).
RRM (RRM) sublayer can monitor the foundation of the wireless and fixed link between travelling carriage and the MSE.
Can also use and improve data transfer rate GSM service (EDGE), as improvement GPRS (GPRS) network.EDGE can use 8 phase shift keyings (8PSK) and Guassian Minimum Shift Keying GMSK (GMSK) at different modulation and encoding scheme.Can produce the word of three bits at the carrier phase of each change.The rate adaptation algorithm can change modulation and encoding scheme (MCS) according to the quality of wireless channel and the bit rate and the robustness of transfer of data.Typically revise the base station to be used for EDGE.
Fig. 4 shows for example vertical view of the inside of the described mobile radio communication apparatus 200 of Fig. 1-3, but this mobile radio communication apparatus 200 comprises the design of above-mentioned first and second antennas.For the explanation relevant with Fig. 4-6, Reference numeral begins with 200 sequences.Equipment 200 shown in Figure 4 comprises printed circuit 202 and each transducer 204 with above-mentioned functions.Main cellular antenna 206 is illustrated in the bottom of shell 208, and corresponding with above-mentioned antenna, as above-mentioned multifrequency antenna.In this non-limiting example, WiFi antenna 210 is positioned at the upper right corner of shell, and is depicted as the antenna of rectangular arrangement.According to the non-limiting example of WiFi, WLAN and similar application, this antenna is operated in the 2.4GHz frequency range.In some non-limiting examples, this antenna can be used for other application.As shown in the figure, battery 212 and other electronic building brick 214 are shown as and are positioned on the circuit board 202.As shown in the figure, this antenna 210 has distributing point 210a at " limit " 210b place of edge, the end or formation, and towards cellular antenna 206.
Fig. 5 shows the part end view as the printed circuit board (PCB) 202 of ground plane.WiFi antenna 210 preferably forms inverse-F antenna, and is base drive.This WiFi antenna 210 is away from cellular antenna 206, and cellular antenna 206 forms GSM antenna (or CDMA) in this non-limiting example.Cellular antenna 206 is positioned at the bottom of device housings, and can dispose as mentioned above.WiFi antenna 210 is towards the top of shell, and is base drive, falls the following horizontal sides 210b of a part of F towards cellular antenna 206 so that form.
As shown in the figure, Fig. 6 shows and is positioned at respect to the distributing point 210a of the following corner of " limit " 210b of cellular antenna 206 and the vertical view of earth point 210c.As shown in the figure, by fall opened gap 210d that the design of F or unipole antenna forms be positioned at 206 opposite with cellular antenna, towards the top of equipment or the place on top.
Should be appreciated that the design of F or unipole antenna 210 of falling can be depending on terminal user demand and shell, changes near the character of the circuit board of main cellular antenna and the confirmable other factors of those skilled in the art.Typically, the height of F is determined with respect to the defined ground plane of PCB202 by limit 210b.The input impedance at distributing point 210a place is changing to about 75 ohm scope from about 30, but in some nonrestrictive examples, this input impedance concentrates on 50 ohm.Resonance can change according to the type of used feed line or track.
Inverse-F antenna is undersized typically, and is designed to be convenient to design and manufacturing.Above-mentioned WiFi antenna 210 can come feed by the microstrip line of printing on the printed circuit board (PCB) 202.In some cases, inverse-F antenna can form active inverse-F antenna (AIFA), and is printed on the PCB202, and for example its thickness is about 1mm in a non-limiting example.Positive F design is used in some designs, and is printed on equally on the FR-4 or similar substrate with other circuit unit, so that low-cost antenna to be provided.For example, in positive F antenna, the tuning arm of inductance (inductive tuning arm) can be positioned at a side identical with the electric capacity arm.In any case, but designing antenna design makes that in these non-limiting examples, opened gap 210d is positioned at the place away from cellular antenna 206.
In some non-limiting examples, inverse-F antenna is similar with self-supporting (free-standing) (quarter-wave) unipole antenna that is positioned on the ground plane, rather than the half-wave printed antenna in some non-limiting examples.In non-limiting example, antenna can be formed in the area less than about 10mm * 10mm.In some designs, the inductance of inverse-F antenna and electric capacity arm can increase the length of main aerial.In other Antenna Design, can make ground plane side move (edge) and determine functional characteristic and service band.It is tuning that the top of " F " can be used for inductance, and the bottom of " F " can be used for forming the capacitive coupling unipole antenna.
Can use moment method (Method of Moment) design to the wire antenna of arbitrary shape and consider, to form two inverse-F antennas (DIFA).Should be appreciated that inverse-F antenna is the variant of the unipole antenna of transmission-line aerial or bending.In some non-limiting examples, can comprise offsetfed, so that the adjusting of input impedance to be provided.Therefore, the antenna geometry likeness in form that is caused rotates to be the alphabetical F towards ground plane.
Under above-mentioned explanation and the given benefit gained from others' wisdom of relevant accompanying drawing, those skilled in the art can expect multiple modification of the present invention and other embodiment.Therefore, be appreciated that the present invention is not limited to disclosed specific embodiment, and be intended to modification and embodiment are comprised within the scope of the appended claims.
Claims (25)
1. a mobile radio communication apparatus (200) comprising:
Shell (208);
Circuit board (202) by described shell (208) carrying, and comprises radio frequency (RF) circuit;
First antenna (206) is supported by the described circuit board in the described shell, links to each other with described RF circuit in operation, and is arranged to cellular telephone communication; And
Second antenna (210), support by the described circuit board (202) in the described shell (208), in operation, link to each other with described RF circuit, and be arranged to WiFi communication, wherein, described second antenna (210) comprises down F or unipole antenna, has the opened gap (210d) away from first antenna, and described opened gap (210d) is used for first and second antennas are isolated from each other.
2. mobile radio communication apparatus according to claim 1, wherein, described first antenna (206) is operated on the frequency of global system for mobile communications (GSM) communication band.
3. mobile radio communication apparatus according to claim 1, wherein, described second antenna (210) is operated on 2.4GHz and the 5.0GHz wave band according to 802.11 standards.
4. mobile radio communication apparatus according to claim 1, wherein, described second antenna (210) comprises distributing point (210a), described distributing point (210a) is positioned at the opposite end of described opened gap away from described opened gap (210d).
5. mobile radio communication apparatus according to claim 1, wherein, described shell (208) comprises the upper and lower, and described first antenna (206) is positioned at the bottom of described shell, and described second antenna (210) is installed on the described circuit board (202) of described shell upper.
6. mobile radio communication apparatus according to claim 5, wherein, described opened gap (210d) is configured to up the described top towards described shell (208).
7. mobile radio communication apparatus according to claim 1, wherein, described circuit board comprises the ground plane of described second antenna (210).
8. mobile radio communication apparatus according to claim 1, wherein, described second antenna (210) general arrangement is a rectangle plane, and comprises the upper edge of the described opened gap that forms described F of falling or unipole antenna.
9. mobile radio communication apparatus according to claim 8, wherein, distributing point (210a) and earth point (210c) that described second antenna comprises the lower edge and is positioned at the relative corner on the described lower edge.
10. mobile radio communication apparatus according to claim 1, wherein, the length of described second antenna (210) is configured to 1/4th or 1/2nd wavelength.
11. a mobile radio communication apparatus according to claim 1, shell (208) has the upper and lower;
First antenna (206) is the cellular antenna that the described circuit board (202) by described shell (208) bottom is supported, in operation, link to each other with described RF circuit, and be arranged to the multi-frequency cellular telephone communication, comprise the frequency of global system for mobile communications (GSM) communication band; And
Second antenna (210) is the inverse-F antenna that the described circuit board (202) by described shell (208) top is supported, in operation, link to each other with described RF circuit, be used for WiFi communication, and has a base drive point (210a) that is positioned at away from described opened gap (210d), base drive point (210a) is used for described cellular antenna and inverse-F antenna are isolated from each other towards the bottom of described cellular antenna (206) and described shell (208).
12. mobile radio communication apparatus according to claim 11, wherein, inverse-F antenna (210) is operated in 2.4GHz and 5.0GHz wave band according to 802.11 standards that are used for WiFi communication.
13. mobile radio communication apparatus according to claim 11, wherein, described inverse-F antenna (210) comprises relative end, and described distributing point and opened gap are positioned at end respect to one another.
14. mobile radio communication apparatus according to claim 11, wherein, described circuit board (202) comprises the ground plane of described inverse-F antenna (210).
15. mobile radio communication apparatus according to claim 11, wherein, described circuit board (202) comprises the ground plane of described cellular antenna (206).
16. mobile radio communication apparatus according to claim 11, wherein, described inverse-F antenna (210) general arrangement is a rectangle plane, and comprises the upper edge of the described opened gap (210d) that forms described inverse-F antenna (210).
17. mobile radio communication apparatus according to claim 16, wherein, described inverse-F antenna (210) comprises lower edge (210b), and distributing point (210a) and earth point (210c) are positioned at the relative corner on the described lower edge (210b).
18. mobile radio communication apparatus according to claim 11, wherein, the length of described inverse-F antenna (210) is configured to 1/4th or 1/2nd wavelength.
19. a method of making mobile radio communication apparatus comprises:
Shell (208) is provided;
Mounting circuit boards (202) in described shell (208) has radio frequency (RF) circuit on the described circuit board (202); And
Support first (206) and second (210) antenna by described circuit board (202), make first and second antennas link to each other with described RF circuit, wherein, described first antenna (206) is arranged to cellular telephone communication, and described second antenna (210) is arranged to WiFi communication as falling F or unipole antenna, have the opened gap (210d) away from described first antenna (206), described opened gap (210d) is used for described first and second antennas are isolated from each other.
20. method according to claim 19 also comprises: formation will be operated in first antenna (206) on the frequency of global system for mobile communications (GSM) communication band.
21. method according to claim 19 also comprises: formation will be operated in second antenna (210) on 2.4GHz and the 5.0GHz wave band according to 802.11 standards.
22. method according to claim 19 also comprises: form circuit board (202) as the ground plane of first and second antennas.
23. method according to claim 19 also comprises: form second antenna (210) that roughly is configured to rectangle plane, described second antenna (210) comprises upper edge and lower edge (210b) of the opened gap (210d) that forms F or unipole antenna.
24. method according to claim 23 also comprises: the distributing point (210a) and the earth point (210c) that form the relative corner that is positioned at lower edge (210b).
25. method according to claim 19 also comprises: forming length is second antenna (210) of 1/4th or 1/2nd wavelength.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06119892A EP1895383A1 (en) | 2006-08-31 | 2006-08-31 | Mobile wireless communications device having dual antenna system for cellular and WiFi |
| EP06119892.5 | 2006-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101137153A CN101137153A (en) | 2008-03-05 |
| CN101137153B true CN101137153B (en) | 2010-12-29 |
Family
ID=37682799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101386112A Active CN101137153B (en) | 2006-08-31 | 2007-07-24 | Mobile wireless communications device having dual antenna system for cellular and WiFi |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1895383A1 (en) |
| CN (1) | CN101137153B (en) |
| CA (1) | CA2591799C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2117079B1 (en) * | 2008-05-08 | 2019-05-08 | BlackBerry Limited | Mobile wireless communications device with selective antenna load switching and related methods |
| CN101801162A (en) * | 2010-02-25 | 2010-08-11 | 中兴通讯股份有限公司 | Wireless communication module |
| CN108604731B (en) * | 2016-01-28 | 2020-11-24 | 索尼移动通讯有限公司 | Antenna structure on circuit board |
| CN112599961B (en) * | 2020-12-02 | 2023-08-11 | 惠州Tcl移动通信有限公司 | Antenna structure and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1511359A (en) * | 2001-08-13 | 2004-07-07 | ��Ī������ | Modular bi-polarized antenna |
| CN1595720A (en) * | 2003-09-11 | 2005-03-16 | 太阳诱电株式会社 | Communication apparatus |
| CN1663072A (en) * | 2002-06-21 | 2005-08-31 | 捷讯研究有限公司 | Multiple-element antenna with parasitic coupler |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9627091D0 (en) * | 1996-12-31 | 1997-02-19 | Northern Telecom Ltd | An inverted E antenna |
| JP2001352212A (en) * | 2000-06-08 | 2001-12-21 | Matsushita Electric Ind Co Ltd | Antenna system and radio device using the same |
| SE0004724D0 (en) * | 2000-07-10 | 2000-12-20 | Allgon Ab | Antenna device |
| JP4461597B2 (en) * | 2000-09-19 | 2010-05-12 | ソニー株式会社 | Wireless card module |
| EP1738538B1 (en) * | 2004-01-06 | 2018-08-08 | Vasu Networks Corporation | Telephone with automatic switching between cellular and voip networks |
| US7525502B2 (en) * | 2004-08-20 | 2009-04-28 | Nokia Corporation | Isolation between antennas using floating parasitic elements |
| TWI246794B (en) * | 2005-02-05 | 2006-01-01 | Benq Corp | Communicator and antenna used in the communicator |
| US7417591B2 (en) * | 2005-02-17 | 2008-08-26 | Matsushita Electric Industrial Co., Ltd. | Antenna apparatus and portable wireless device using the same |
-
2006
- 2006-08-31 EP EP06119892A patent/EP1895383A1/en not_active Withdrawn
-
2007
- 2007-07-09 CA CA002591799A patent/CA2591799C/en active Active
- 2007-07-24 CN CN2007101386112A patent/CN101137153B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1511359A (en) * | 2001-08-13 | 2004-07-07 | ��Ī������ | Modular bi-polarized antenna |
| CN1663072A (en) * | 2002-06-21 | 2005-08-31 | 捷讯研究有限公司 | Multiple-element antenna with parasitic coupler |
| CN1595720A (en) * | 2003-09-11 | 2005-03-16 | 太阳诱电株式会社 | Communication apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 附图1. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101137153A (en) | 2008-03-05 |
| EP1895383A1 (en) | 2008-03-05 |
| CA2591799C (en) | 2008-12-16 |
| CA2591799A1 (en) | 2007-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9263795B2 (en) | Mobile wireless communications device having dual antenna system for cellular and WiFi | |
| CN101848020B (en) | Mobile wireless communications device having diversity antenna system and related methods | |
| US9007267B2 (en) | Mobile wireless communications device having diversity antenna system and related methods | |
| US8666462B2 (en) | Mobile wireless communications device having frequency selective grounding and related method | |
| CN103022636B (en) | Comprise the mobile radio communication apparatus and associated method of conduction, electric floating beam shaping elements | |
| CN102172097A (en) | Mobile wireless communications device having touch activated near field communications (NFC) circuit | |
| CN100584066C (en) | Mobile wireless communications device comprising multi-frequency band antenna and fabrication method | |
| CN101562271A (en) | Mobile wireless communications device antenna assembly with floating director elements on flexible substrate and related methods | |
| CN101137153B (en) | Mobile wireless communications device having dual antenna system for cellular and WiFi | |
| CN101325281B (en) | Multi-band antenna for mobile phone | |
| CN101197584A (en) | Mobile wireless communications device including an electrically conductive, electrically floating element and related methods | |
| CN101036406B (en) | Mobile wireless communications device comprising a top-mounted auxiliary input/output device and a bottom-mounted antenna | |
| CN101075818B (en) | Mobile wireless communications device having low IF receiver circuitry that adapts to radio environment | |
| CA2750504C (en) | Mobile wireless communications device having frequency selective grounding and related method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Voight, Ontario, Canada Patentee after: BlackBerry Ltd. Country or region after: Canada Address before: Voight, Ontario, Canada Patentee before: RESEARCH IN MOTION Ltd. Country or region before: Canada |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240528 Address after: Ai Erlandubailin Patentee after: Maliki Innovation Co.,Ltd. Country or region after: Ireland Address before: Voight, Ontario, Canada Patentee before: BlackBerry Ltd. Country or region before: Canada |