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Handling Sounding Reference Signaling

A technology for sounding reference and reference signaling, which is applied in signaling allocation, wireless communication, pilot signal allocation, etc., and can solve problems such as side effects, sounding reference signaling and other signaling scheduling conflicts

Active Publication Date: 2022-06-03
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the use of such reference signaling increases, methods are needed to handle scenarios where the scheduling of sounding reference signaling and other signaling may collide or produce undesired side effects

Method used

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  • Handling Sounding Reference Signaling
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  • Handling Sounding Reference Signaling

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Embodiment Construction

[0032] Mobile data services have grown exponentially due to the great success of smartphones, tablets and other data service devices. The traditional way to increase the data rate has been to increase the transmission bandwidth. However, as spectrum becomes scarce due to the proliferation of wireless access systems, the challenge for future wireless (radio) access systems is to find alternate solutions to meet the high demand for data rates. One way to handle increased wireless data traffic is to deploy more base stations (BSs) and increase the density of cellular networks. However, this will increase interference and deployment costs. Another option for increasing system capacity, which appears to be cheaper in terms of deployment cost, is to introduce a large antenna array at the BS. A BS with a very large number of antennas can schedule multiple terminals simultaneously on the same time / frequency resources, using simple linear processing such as Maximum Ratio Transmission...

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Abstract

A method of operating a user equipment (10) in a radio access network is disclosed. The method includes transmitting signaling based on a sounding reference signaling schedule that schedules sounding reference signaling to be transmitted at a first time interval, wherein the first time interval overlaps with the signaling used to schedule the physical channel The second time intervals overlap, wherein transmitting the signaling includes transmitting physical channel signaling in overlapping time intervals while omitting scheduled sounding reference signaling. The present disclosure also relates to related devices and methods.

Description

technical field [0001] The present disclosure relates to wireless communication technologies, particularly in the context of radio access technologies / networks (RAT / RAN), eg 5G technologies like New Radio (NR) or LTE evolution according to 3GPP. Background technique [0002] With the introduction of new technologies in wireless communications, it becomes increasingly important to know channel conditions on short time scales, especially at high carrier frequencies (eg, 3 GHz or higher), low latency operation, or highly beamforming communications. In context, all of this would be implemented in e.g. NR. Channel conditions may be suitable to be determined based on sounding reference signaling (pilot signaling transmitted in the uplink), eg for reciprocity based operation. However, with the increased use of such reference signaling, methods are needed to handle scenarios where the scheduling of sounding reference signaling and other signaling may collide or have undesired side ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00
CPCH04L5/0051H04L5/0053H04L5/001H04L5/005H04W72/0446H04W72/0453H04W72/1263H04W72/21
Inventor 罗伯特·巴尔德麦尔史蒂芬·格兰特马丁·赫斯勒
Owner TELEFON AB LM ERICSSON (PUBL)