Beam selection priority
A priority and beam technology, applied in diversity/multi-antenna systems, transmission monitoring, space transmit diversity, etc., can solve the problems of not being able to receive signals with sufficient quality, not being able to follow two beam instructions, etc.
Pending Publication Date: 2020-11-03
TELEFON AB LM ERICSSON (PUBL)
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AI Technical Summary
Problems solved by technology
WD may not be able to follow two beam directions due to its hardware limitations
This will result in the inability to receive one or all of the signals with sufficient quality
Method used
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Embodiment G4
[0168] Embodiment G4. The method of example G1, wherein the signal with the highest priority is the Physical Downlink Shared Channel, PDSCH.
Embodiment G5
[0169] Embodiment G5. The method of Example G1, wherein if WD 22 receives a beam indication for simultaneous reception of Physical Downlink Shared Channel PDSCH and Channel State Information Reference Signal CSI-RS, WD 22 applies the beam indication to PDSCH.
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A method, a system (10), a network node (16) and a wireless device (22) are disclosed for beam selection priority in a wireless communication system. According to one aspect of the disclosure, the wireless device (22) is provided. The wireless device (22) is provided with different beam indications for reception of at least a first signal and a second signal. The wireless device (22) includes a processing circuit (84) configured to receive the first signal of a first signal type on a beam indicated by one of the beam indications, the first signal type having a higher priority than a second signal type of the second signal.
Description
technical field [0001] The present disclosure relates to wireless communications, and in particular to beam selection priorities in wireless communications systems. Background technique [0002] In wireless communication systems, wireless devices (WDs) operating at high carrier frequencies typically utilize panel antennas with high directivity. A WD can be equipped with several such panels, where each panel can receive from a finite set of directions. In contrast, WD antennas for lower carrier frequencies are usually omnidirectional, meaning that one antenna can receive transmissions from all directions. One such antenna panel can also receive from multiple directions with specific beams. [0003] Beamforming at the base station, excited by high carrier frequencies, is becoming more common in modern communications. Since the antenna element size is proportional to the carrier wavelength, as the carrier frequency becomes higher, the antenna becomes smaller, which makes it ...
Claims
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IPC IPC(8): H04B7/08
CPCH04B7/088H04W72/046H04B17/373H04W16/28
Inventor C·蒂德斯塔夫M·弗伦内
Owner TELEFON AB LM ERICSSON (PUBL)