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Method and apparatus for dynamic power sharing and management of maximum power of secondary carriers

A technology of dynamic power and power, applied in power management, wireless communication, electrical components, etc.

Pending Publication Date: 2022-05-20
LENOVO (SINGAPORE) PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Where there are multiple connections, where, in some cases, the individual connections may involve connections to different network infrastructures, the overall operation of managing communication connections in a particular user equipment with respect to potentially multiple networks may presents challenges as certain decisions may need to be made in an environment where each participant may not have complete information

Method used

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  • Method and apparatus for dynamic power sharing and management of maximum power of secondary carriers
  • Method and apparatus for dynamic power sharing and management of maximum power of secondary carriers
  • Method and apparatus for dynamic power sharing and management of maximum power of secondary carriers

Examples

Experimental program
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example 1

[0042] Example 1: Generic inter-band EN-DC without Network Signaling (NS)

[0043] we start from figure 2 Consider the general inter-band case without NS signaling, where P LTE =P NR =P ENDC =23dBm. Depending on the maximum power reduction (MPR) taken for each carrier, any of the following conditions are possible.

[0044] a=FALSE disallow scaling or discarding SCG

[0045] a=TRUE, b=FALSE allow SCG scaling

[0046] a=TRUE, b=TRUE always allow SCG drop

[0047] different areas in image 3 Marked out. More specifically, image 3 is a graph 300 illustrating the allowed scaling and dropping behavior for a general inter-band E-UTRA-NR dual carrier. It should be noted that these regions depend on the MPR (which depends on the modulation type and the allocation size and location), but have nothing to do with the actual transmit power and irrelevant. From image 3 It can be observed that if the modulation order on both carriers is less than or equal to 64-QAM (Quadra...

example 2

[0053] Example 2: DC_(n)71AA

[0054] we next consider figure 2 for P LTE =P NR =P ENDC Example of DC_(n)71AA for a scenario where = 23dBm. Such as figure 2 As shown in table 200 of , for this example, the UE is always allowed to drop the NR carrier as long as there is transmission on the LTE carrier. Therefore, the P of the NR carrier CMAX_L It is basically 0 in terms of linearity, such as Figure 5 shown, no matter how little power Sent on MCG. more specifically, Figure 5 is a graph 500 illustrating the behavior allowed in Specification 38.101-3 versus the dynamic power sharing behavior in Specification 38.213 for full resource block allocation.

[0055] While TS 38.101-3 always allows UEs to drop NR carriers, it is still possible to transmit substantial power on NR carriers while still meeting transmit and total power constraints. exist Figure 5 In , for cyclic prefix orthogonal frequency division multiplexing (CP-OFDM), the power that can be transmitted is...

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Abstract

Managing the use of dynamic power sharing for dual carrier operation is provided. An allowable tolerance corresponding to a maximum expected possible deviation between a power level to which the user equipment requests to set communications via the primary cell group and an actual power level at which the corresponding communications via the primary cell group are transmitted is identified (802). A lower limit of a maximum configuration power for the secondary cell group is determined (804) while taking into account the identified allowable tolerance, which enables the user equipment to meet transmission requirements during dual carrier operation, as well as a total power constraint for any overall communication of the user equipment. The lower limit of the maximum configuration power of the carriers of the secondary cell group is set (806) at the determined level.

Description

technical field [0001] The present disclosure relates to dynamic power sharing and managing the maximum power of a secondary carrier, including dynamic power sharing for dual-carrier operation determining a lower limit level of maximum configured power of a group of secondary cells. Background technique [0002] Currently, user equipment, such as wireless communication devices, communicates with other communication devices using wireless signals, for example in a network environment that may include one or more cells within which communication with and operating within the network may be supported Other devices make various communication connections. A network environment typically involves one or more sets of standards, each set of standards defining aspects of any communication connection made when using the corresponding standard in the network environment. Examples of developed and / or existing standards include New Radio Access Technology (NR), Evolved Universal Terrest...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/30H04W52/38
CPCH04W52/30H04W52/38H04W52/34H04W52/367H04W76/16H04W52/346H04W52/24H04W52/365H04W88/06
Inventor 科林·弗兰克
Owner LENOVO (SINGAPORE) PTE LTD