TWI478528B - Portable communication device with network switch unit and the method of the same - Google Patents

Description

Handheld communication device with switching network unit and method thereof

The present invention relates to an electronic communication device, and more particularly to a handheld communication device for switching networks and a method thereof.

With the continuous expansion of the information and computer market, electronic products are rapidly growing under the trend of light, short, and versatile. Based on the advent of the high-tech era, telecommunications networks and the Internet are emerging industries in recent years, and the development of communication systems with mobile phone integration technology continues to provide users with a more convenient way to obtain information. As a result, communication technology has also become a new darling, and the businesses affiliated with communication devices have also flourished due to the convenience of contact needs and information. No matter the Internet, mobile communication devices, personal digital assistants have been filled with the entire living space, and the Internet and communications companies have also introduced new commercial services to help customers transfer their data or obtain to expand the market and services. In terms of electronic components, it is moving toward multi-functional development, such as light and short, multi-functional speed, and communication service providers or information providers must provide diversified, comprehensive and up-to-date information to customers.

The signals received by the two-way communication module are processed by the microprocessor and loaded with data or programs stored in the memory unit, such as comparison protocol, interpretation and judgment. The received information can be displayed by the display device.

Since the conventional voice communication has been inconsistent with the requirements, and the communication protocols provided by different communication network service providers are different, the present invention has been proposed based on the above considerations. Moreover, the audio-visual communication before the application of the case can only see the single-party video, and it is impossible to conduct multi-party video conference.

The present invention is applicable to wireless communication devices, including but not limited to mobile phones, personal digital assistants, smart phones, satellite positioning systems, notebook computers, and the like. In general wireless communication systems, communication network service providers in different systems or regions use different communication protocols or two-way calls. Protocol. Therefore, the signals transmitted by the various system service providers contain different communication protocols. Therefore, the present invention proposes a co-construction system that allows the user to select an appropriate protocol communication. Moreover, the mobile video communication rate is relatively high, and the non-mobile type is economical, but it is impossible to move the video and audio communication. Based on the needs of the different scenarios described above, the present invention proposes that the co-construction system integrates common elements. Additionally, the present invention provides multi-party handheld video conferencing or communications.

100‧‧‧Control unit

102‧‧‧Switch unit

104‧‧‧Signal Analysis Unit

106‧‧‧Image segmentation unit

100A‧‧‧First Communication Module

100B‧‧‧Second communication module

100C‧‧‧3rd communication module

105‧‧‧ memory unit

110‧‧‧User interface

115‧‧‧Display device

120‧‧‧Antenna system

145‧‧‧Baseband processor

150‧‧‧Vocode decoder

155‧‧‧Voice Converter

160‧‧‧ microphone

165‧‧‧Speaker

170‧‧‧ input unit

185‧‧‧Setting unit

300‧‧‧Multiplexer

310‧‧‧Image Processing Unit

Figure 1 is a functional block diagram of the present invention.

Figure 2 is a schematic diagram of the system of the present invention.

Figure 3 shows a functional block diagram of the present invention.

Referring to FIG. 1 , it is a functional block diagram of a wireless communication device including a video communication co-construction system. For convenience of explanation, the first communication module and the second communication module co-construction system are used as a description, but it is not necessary to limit the present invention, in other words, the present invention can be modified to facilitate the use of other different communication systems or protocols. Changes and implementations are all included in the spirit of the present invention. For example, a single wafer system can be used to integrate the wafers or processors described below. The wireless video communication co-construction device includes a control unit 100, such as a central processing unit, for processing and controlling the instructions of the device, as well as data, data processing, and operations. A memory unit 105 is coupled to the control unit 100. The memory unit 105 of the wireless communication device can be divided into three parts, namely, a read only memory (ROM), a non-volatile memory such as a flash memory (FLASH), and a random access memory (RAM). Generally, unchanging data can be stored in read-only memory (ROM). System operating software or fixed applications can be stored in non-volatile memory and can retain their internal data without power. It can be read or written repeatedly when there is power. The random access memory (RAM) is used to store the information downloaded by the system and the information obtained after the processing, and then output the relevant information selected by the user to the display device for display. The system programs and applications stored in the non-volatile memory control the execution of all necessary functions, and are processed by the central processing unit or the control unit to be presented to the display device 115 through the user interface 110. An input unit 170 is electrically connected to the control unit 100 to facilitate user input of instructions or materials.

The antenna system 120 can be a multi-frequency antenna or a plurality of antennas. It depends. It may be a dipole antenna, a planar antenna, an inverted F antenna, a broken antenna, or the like. The antenna system 120 is configured to receive a signal, which is coupled to the first video communication module 100A, which is suitable for mobile transmission of information, and generally includes: transmitting a signal through the mixed region of the receiver to convert the signal into an intermediate frequency signal IF (intermediate frequency). The transmitter converts the modulated signal to the frequency range preset by the protocol and transmits it through the antenna system. A modem (MODEM) is electrically coupled to the receiver and the transmitter for modulating or de-modulating the signal. The above agreement may adopt a video and audio wireless communication protocol, and examples thereof include, but are not limited to, International Telecommunications Unit (ITU): 3G, 3.5G, 4G, W-CDMA, CDMA2000, CDMA2001, TD-CDMA/TD-SCDMA, UWC-136. , DECT. The baseband processor is coupled to the modulation and demodulation device described above, which can process the signal of the preset bandwidth and the above communication protocol.

The second communication module can be formed by the regional wireless transmission module 100B and the network video communication unit 180 to facilitate video and audio communication. Suitable for low-speed or fixed-point transmission. For better implementation, the module for transmission by the second audio-visual communication comprises a wideband local area network, coupled with the control unit to facilitate transmission through the antenna by wireless transmission. Transfer (receive/transmit) wireless signals to network hotspots or pick-up points. The transmission module 100B is exemplified to include WiFi, WiMax, 802.11x (a, b, g, n). A network video communication unit 180 is coupled to the control unit 100 for processing voice and data or data transmitted over the Internet. The second wireless video communication module (including the transceiver) can be connected to the Internet, and is compatible with WiFi, WiMax, 802.11x (a, b, g, n), UWB and the like. Through the processing of the network video communication unit 180, the user can use the Internet to simultaneously transmit image data and voice for network video communication. The above-mentioned network video communication unit 180 can be a hardware, firmware or software architecture. The general user needs to turn on the computer and then download the file to the hard disk, and then transfer it to the handheld device. The program is very inconvenient, and the file cannot be downloaded in the computer-free area, such as MP3, MP4, blog, etc., which is very inconvenient. By means of the wireless transmission module 100B, it is possible to eliminate the inconvenience caused by downloading files without using a computer. Generally, the conventional mobile phone needs to download the MP3 by opening the computer, and the MP4 can be played. The present invention can directly detect the hotspot by the wireless transmission module 100B, switch to the second wireless transmission module 100B to connect to the network, and then manually download the wireless module through the command. In the case of moving or in the case of weak signal or no signal, after the analysis and determination by the signal analysis unit 104, the switching unit 102 coupled to the control unit 100 can be used to switch to the first video communication module 100A to perform the required function. . The switching can be manually switched or by software Switching. The signal analysis unit 104 described above can obtain the signal parameters directly or indirectly. The signal analysis unit 104 is a separate circuit or an integrated circuit.

The first communication module 100A is coupled to the baseband processing system 145. The baseband processing system is an integrated chip or a plurality of independent baseband processors (as shown in A and C), and the corresponding protocol is long. The communication module is coupled to facilitate the processing of the communication signal.

The third communication module 100C and the baseband processing system 145 are coupled to the modulation and demodulation device, which can process the signal of the 1.9G bandwidth and the low-power communication protocol with respect to the first communication module (such as the personal handset protocol). ). In the same way, the antenna is used to receive the signal, and the IF signal is degraded by the receiver mixed region to degrade the IF. The transmitter converts the frequency of the modulated signal and transmits it through the antenna. The modulation and demodulation device is connected to the receiver and the transmitter to adjust the signal. Each of the above-mentioned video and audio communication modules is electrically coupled to the above-mentioned control unit 100, which may be separately fabricated by integrated circuit technology, and may also integrate the above-mentioned devices or the system chip architecture by using integrated circuit technology.

After the signal processed by the baseband processor, the control signal is transmitted to the control unit 100 for processing, and the voice signal is transmitted to the speech codec CODEC 150 for processing. Then, a voice converter 155 is electrically connected to the CODEC 150 for converting the digital signal into an analog signal or, conversely, converting the analog signal into a digital signal. The microphone 160 and the speaker 165 are electrically connected to the above-described speech converter 155, respectively. The SIM card connector is adapted to insert the SIM card of the system, and the SIM card connector allows the SIM card to communicate with the control unit 100 and facilitate the control unit to obtain the data and password stored in the SIM card. In addition, in order to facilitate image transmission, the present invention may also include a digital image capturing module 200 connected to the control unit 100. The captured image is sent to the control unit 100 for processing. It can be a CMOS or CCD array.

The wireless communication device includes a setting unit 185 electrically coupled to the control unit 100 to facilitate operation. When the signal difference (or bandwidth) transmitted by the two different communication networks exceeds a threshold, the wireless communication device will manually or automatically initiate a communication system for switching the stronger signal (or bandwidth) by the setting unit 185. For example, the signal analysis unit 104 compares the strength or bandwidth of the signal that the communication system service provider can receive at the user's location, and selects the network communication system with the stronger signal from the multiple communication system as the communication system for transmitting the signal.

The antenna and the corresponding radio frequency related unit may be configured in one or more groups. This design can configure at least two different sets of door numbers in a device. Different telecommunication networks may be used based on the two sets of door numbers The service provider, therefore, the wireless communication device includes a setting unit 185 electrically coupled to the control unit 100 to facilitate operation. When a communication network signal difference exceeds a threshold, the wireless communication device transmits a signal by a communication system that activates the setting unit 185 to activate a stronger signal. For example, the unit can compare the strength of the signals that each communication system service provider can receive at the user's location. The telecommunication network service provider communication system is selected from the multiple communication system as a communication system for transmitting signals. The present invention includes a setting unit that utilizes a program embedded in the memory unit of the wireless communication device to facilitate setting a standby mode, which is a multi-mode standby or a single mode standby.

The embodiment can be applied to signal transmission of a wireless communication device including a multi-communication system, and the handheld device of the wireless communication device including the plurality of communication protocol modules provides coexistence of two or more audio and video systems. The communication service provider is a communication network service provider for different communication protocols. The message transmitted by the communication network service provider is received via the two-way communication module and decoded by the decoding device to be converted into an identifiable signal. The microprocessor or central processing unit of the wireless communication device described above is used for processing. The communication device includes at least two different communication systems that can stand by at the same time or stand alone. When the user activates the power of the communication device, it will look for and scan the signal and strength of the network as with the general communication device. The preset communication network system can also switch or multiple systems simultaneously stand by at the same time. When the user makes a call, the program built into the wireless communication device will perform an interpretation to confirm which communication system or network is used as the medium for communication. The parameter of the judgment can be set to be based on the strength of the signal. When a certain communication network signal is strong, the wireless communication device will activate the communication signal of the strong signal to transmit the signal. The signal transmission method of the wireless communication device includes checking related parameters of each communication system of the communication device; for example, the related parameter includes signal strength, and compares the strength of the signal that each communication system service provider can receive at the user's location. Comparing the intensity of electromagnetic waves can also be used as a basis for judgment. According to the preset condition comparison of the relevant parameters, a communication system is selected as a communication system for transmitting signals. For example, the preset condition may be a communication system that selects a relatively strong signal strength as a transmission signal. For example, it is recommended to compare the strength of the signal in the communication network. The communication system is selected from the multiple communication system as a communication system for transmitting signals. The signal is then transmitted in accordance with the selected communication system. The preset condition is set to select the communication system for the lower cost. The system parameter comparison unit 185 is electrically coupled to the control unit 100, which is an optional configuration function to facilitate the above operations.

As described above, the present invention provides video and audio transmission communication across different platforms, and there is currently no device for cross-platform (conventional) video and audio transmission. To enable audio and video conferences, or by parameters Select the preferred audio and video quality, signal, electromagnetic strength or rate to determine which platform to use for multi-party image transmission, which is conducive to multi-platform video conferencing. Referring to the first and second figures, the image segmentation unit 106 is electrically connected to the display device 115 by using the input image, and is used to input the image into the divided complex region, and the preset positive or negative value is used. Adjust the image pixel value of each pixel. The method of image segmentation can be found in U.S. Patent No. 7,171,019, 7,142, 689, to the patentee, to the name of the s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s The image segmentation unit 106 is used to display images transmitted by the plurality of parties in the same handheld device for images of multiple or multi-party calls, so as to facilitate multiple or multiple handheld video conferencing or chat or communication. It should be noted that the above-described methods of segmentation are merely illustrative of the implementation and are not intended to limit the invention. Referring to the third figure, the image fed in is selectively configured and processed by the multiplexer 300. The multiplexer 300 is electrically coupled to the control unit 100, and then is connected to the image dividing unit electrically connected to the display device 115. The 106 is processed and fed to the display device 115. In one embodiment, the image processing device 310 is selectively conditioned to image pixels or images and then fed to the display device 115. The images can be displayed without overlapping, overlapping, and partially overlapping images for displaying multiple communicating party images. The control unit 100 can be a microprocessor, a system chip, a digital signal processor or a combination thereof. It depends on the needs and costs.

The second diagram contains two different communication networks, including a videophone communication network and a local area network (LAN). The regional network is coupled to the Internet. A plurality of user terminal devices are connected to the above-mentioned videophone communication network. Similarly, a plurality of user terminal devices respectively connect to the above-mentioned Internet. In one embodiment, the computers (or laptops) 1, 2, 3 are wired to the Internet, and the computer can be connected to the Internet via wireless access points. It must be noted that the number of user terminal devices is arbitrary. As shown in the figure, some devices are connected to the Internet. The above computer can be replaced by the following but not limited to the following devices, such as personal digital assistants, notebook computers, mobile phones, etc., which must have the ability to connect to the Internet. In an embodiment, the user terminal devices are respectively in different types of networks, and the two networks cannot directly exchange data, and the two devices need to be bridged by means of an exchange service mechanism. In other words, this exchange service mechanism has to exchange data or links between two different aspects of the network. The bridging system is a known technology, such as a long distance switch, a mobile telephone switching center, a base station controller, a gateway device, a routing device, etc., for exchanging transmission data. An access point is coupled to the Internet to provide access to the wireless connection network. Other devices having similar functions may also use a non-limiting device as described above, which is merely illustrative. Portable devices can transmit and receive information through the mobile phone service network or the Internet. Multi-directional simultaneous communication of video and audio, not only download information in one direction. The information or data transmitted includes a combination of digital data, video data, and audio signals.

Many of the units and modules described above can be arbitrarily combined according to requirements. The present invention is described in the above preferred embodiments, and those skilled in the art can make some modifications and modifications in the scope of the invention without departing from the spirit and scope of the invention. Depending on the field.

100‧‧‧Control unit

102‧‧‧Switch unit

104‧‧‧Signal Analysis Unit

106‧‧‧Image segmentation unit

100A‧‧‧First Communication Module

100B‧‧‧Second communication module

100C‧‧‧3rd communication module

105‧‧‧ memory unit

110‧‧‧User interface

115‧‧‧Display device

120‧‧‧Antenna system

145‧‧‧Baseband processor

150‧‧‧Vocode decoder

155‧‧‧Voice Converter

160‧‧‧ microphone

165‧‧‧Speaker

170‧‧‧ input unit

185‧‧‧Setting unit

300‧‧‧Multiplexer

310‧‧‧Image Processing Unit

Claims (11)

A handheld communication device having a switching network unit, comprising: a control unit; an input unit electrically connected to the control unit to facilitate user input of instructions or data; and a radio frequency communication module for receiving or transmitting a signal of a radio frequency communication protocol An internet module for receiving or transmitting an internet communication protocol signal; a network switching module for switching the radio communication module and the internet module; and a display device electrically connected to the control The unit is configured to facilitate display; the image capture module is electrically connected to the control unit to facilitate capturing images; and the image dividing unit is electrically connected to the display device for segmenting the display screen of the display device to facilitate The fed image is displayed in at least one divided area of the display device, so that images of the plurality of parties are simultaneously displayed on the display device to facilitate handheld video communication. The handheld communication device with a switching network unit according to claim 1, wherein the radio communication module comprises one or any combination selected from the group consisting of W-CDMA, CDMA2000, CDMA2001, TD-CDMA, and TD-SCDMA. , UWC-136, DECT or 4G. For example, the handheld communication device with the switching network unit of claim 1 further includes a multiplexer electrically connected to the control unit for processing the fed image. The handheld communication device with a switching network unit according to claim 1, wherein the internet module comprises one or any combination of WiFi, WiMax, 802.11 or UWB. The handheld communication device with a switching network unit according to claim 1 includes a setting unit electrically coupled to the control unit, wherein the setting unit includes analysis parameters: a prepaid amount, a signal strength, a dialed fee, Rate or electromagnetic wave strength. For example, the handheld communication device with the switching network unit of claim 1 or 5, wherein The image processing device is configured to adjust the image and then feed the display device so that the images are displayed without overlapping, overlapping display, and partial overlap display to display each communication party image. A hand-held communication device having a switching network unit as claimed in claim 1 or 5, comprising a signal analysis unit. A hand-held communication device having a switching network unit as claimed in claim 1, 2, 3, 4 or 5, wherein the network switching module includes software automatic or manual switching. A method for switching a network of a handheld communication device, comprising: providing a radio frequency communication module, a display device, an image capturing module, an image dividing unit and an internet module to the handheld communication device; providing a a network switching unit to the handheld communication device, the handheld communication device includes the radio frequency communication module and an internet network module; the network switching unit of the handheld communication device can switch the radio frequency communication module and the internet network module In order to facilitate selection or switching of the communication platform; the image capture module captures the image; and the image segmentation unit divides the display screen of the display device to facilitate display of the fed image on at least one of the display devices The image of the plurality of parties in the area is simultaneously displayed on the display device to facilitate handheld video communication. For example, the method of claim 9 is advantageous for the handheld communication device to switch the network, wherein the network switching unit comprises a software. For example, the method of claim 9 or 10 is advantageous for the handheld communication device to switch the network, and further includes hotspot detection to facilitate network switching.