Detection of intermodulation issues and transmission scheme configuration to remedy intermodulation issues
A problem and configuration information technology, applied in the directions of transmission path sub-channel allocation, transmission monitoring, transmission system, etc., can solve the problems of intermodulation interference, downlink sensitivity degradation, etc.
Active Publication Date: 2019-03-19
APPLE INC
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Problems solved by technology
Depending on the combination of frequency bands used, such simultaneous multiple uplink transmissions can generate intermodulation interference, which can degrade downlink sensitivity
Method used
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[0028] the term
[0029] The following is a glossary of terms used in this disclosure:
[0030] Storage Medium – any of various types of non-transitory memory devices or storage devices. The term "storage medium" is intended to include: installation media, such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory, such as DRAM, DDR RAM, SRAM, EDO RAM, Rambus RAM, etc.; non-volatile memory, such as flash memory, magnetic media (such as a hard drive), or optical storage; registers, or other similar types of storage elements, and the like. The storage medium may also include other types of non-transitory memory, or combinations thereof. Also, the storage medium may be located in a first computer system that executes the program, or may be located in a different second computer system connected to the first computer system through a network such as the Internet. In the latter case, the second computer system may provide the program instructi...
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The disclosure relates to the detection of intermodulation issues and the transmission scheme configuration to remedy intermodulation issues, and more particularly to apparatuses, systems, and methodsfor a wireless device to detect intermodulation issues and configure a transmission scheme to remedy detected intermodulation issues. The wireless device may perform measurements on a downlink carrier while arranging one uplink carrier is scheduled for the wireless device. The wireless device may also perform measurements on the downlink carrier while two uplink carriers are scheduled for the wireless device. The wireless device may provide information based on those measurements to a serving base station. The base station may determine that an intermodulation issue is occurring at the wireless device based on the provided information, and may configure the wireless device to use a single uplink carrier at a time based at least in part on the intermodulation issue.
Description
technical field [0001] The present application relates to wireless devices, and more particularly to apparatus, systems and methods for wireless devices to detect intermodulation problems and configure transmission schemes to remedy the detected intermodulation problems. Background technique [0002] The use of wireless communication systems is growing rapidly. In addition, wireless communication technology has evolved from voice-only communication to also include transmission of data such as the Internet and multimedia content. [0003] In some wireless devices, there may be situations where multiple simultaneous uplink transmissions may occur at separate frequencies, eg, when communicating according to multiple wireless communication technologies, or when utilizing carrier aggregation or dual connectivity techniques. Depending on the frequency band combination used, such simultaneous multiple uplink transmissions can generate intermodulation interference, which can cause ...
Claims
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IPC IPC(8): H04W24/04H04W24/08H04W52/36H04W72/54
CPCH04W24/04H04W24/08H04W52/365H04B17/309H04W52/146H04W72/0453H04L5/0053H04L5/0048H04W72/541H04W24/10H04W88/08
Inventor 曾威胡海静张大伟杨翔英孙海童C·穆克
Owner APPLE INC