Multi-frequency band mobile communication device
A mobile communication device, multi-band technology, applied in wireless communication, sustainable communication technology, advanced technology and other directions, can solve the problem of signal power loss, affecting the performance of WCDMA signal transmission, and achieve the effect of reducing signal transmission power loss
Active Publication Date: 2011-05-18
ASUSTEK COMPUTER INC
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, as far as actual operation is concerned, the signal power loss caused by the frequency division filter 22 will be more serious, and the antenna units 20 and 23 corresponding to the antenna switching module 21 and the frequency division filter 22 will all operate on multiple frequency bands. Perform switching operation, which will also affect the transmission performance of WCDMA signals in some frequency bands
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0015] Please refer to Fig. 3, which is a functional block diagram of a mobile phone in a preferred embodiment of the present invention; in this preferred embodiment, the mobile phone 300 is a multi-band mobile communication device proposed by the present invention, i. The phone 300 can perform communication signal transmission (Tx) and reception (Rx) in a multi-band operation mode. As shown in the figure, the mobile phone 300 mainly includes a global mobile communication (GSM) wireless signal processing circuit 32 and a wideband code division multiple access (WCDMA) wireless signal processing circuit 34, so that the mobile phone 300 can use a global mobile communication (GSM) system and a Wideband Code Division Multiple Access (WCDMA) system for signal transmission of GSM signals and WCDMA signals.
[0016] The mobile phone 300 also includes an antenna switching module 31, and the antenna switching module 31 is signal-connected to the GSM wireless signal processing circuit 32...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a multiband mobile communication device, comprising: a wireless signal processing circuit of a first communication system for running a plurality of the first type of frequency band signals; a wireless signal processing circuit of a second communication system for running a plurality of the second type of frequency band signals; an antenna switching module, the signals areconnected with the wireless signal processing circuits of the first and the second communication systems for switching the first type of frequency band signals and a first part of frequency band signals in the second type of frequency band signals; a first antenna unit, the signals are connected with the antenna switching module; and a second antenna unit, and the signals are connected with the wireless signal processing circuit of the second communication system. The multi-band mobile communication device can reduce the signal transmission power loss generated during the frequency band switching and the signal transmission of a WCDMA system and reduce the situation of affecting the signal effectiveness performance.
Description
technical field [0001] The present invention relates to a multi-band mobile communication device, in particular to a mobile communication device that includes two communication systems and two antenna units, and can use one of the antenna units to transmit signals to a specific frequency band and the other antenna unit to other frequency bands. multi-band mobile communication devices. Background technique [0002] Most modern people have the experience of using mobile phones or electronic devices commonly known as mobile phones. In recent years, with the increasing progress and continuous development of mobile computing technology and electronic communication industry technology, mobile phones, whether in terms of the quality of signal transmission There are quite important results in the processing mode of the above or signal operation, and bring better call services and more functional operations and applications to users. [0003] According to the time of development of ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H04W88/06H04B1/40
CPCY02B60/50Y02D30/70
Inventor 汤庆仲廖国助
Owner ASUSTEK COMPUTER INC