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

A dynamic power and power technology, 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 interband 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 do not allow scaling or discarding of SCGs

[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 allowable 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 allocation size and location), but not with the actual transmit power and It doesn't matter. from image 3 It can be observed that if the modulation order on both carriers is less than or equal to 64-QAM (Quadratur...

example 2

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

[0054] We next consider figure 2 Medium for P LTE =P NR =P ENDC Example of DC_(n)71AA for a scenario of =23dBm. like 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 is essentially 0 in terms of linearity, as in 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 relative to the dynamic power sharing behavior in specification 38.213 for full resource block allocation.

[0055] While TS 38.101-3 always allows the UE to drop the NR carrier, it is still possible to transmit a large amount of power on the NR carrier while still satisfying the transmit and total power constraints. exist Figure 5 , for Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM), the power that ...

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Abstract

Managing the use of dynamic power sharing for dual carrier operation is provided. A power headroom report is received (902) from a primary cell group. An allowable tolerance is identified (904) from the received power headroom report, which includes a maximum expected possible deviation between a power level to which the user equipment requests to set a communication and an actual power level at which the corresponding communication is transmitted. A lower limit of a maximum configuration power for the secondary cell group is determined (906) while taking into account the identified allowable tolerance, which enables the user equipment to meet transmission requirements during dual carrier operation, and a total power constraint. The lower limit of the maximum configuration power of the carriers of the secondary cell group is set (908) at the determined level.

Description

technical field [0001] The present disclosure relates to dynamic power sharing and managing the maximum power of secondary carriers, including dynamic power sharing for dual-carrier operation that determines a lower limit level of the maximum configured power for a group of secondary cells. Background technique [0002] Currently, user equipment, such as wireless communication devices, use wireless signals to communicate with other communication devices, 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 of which defines aspects of any communication connection that occurs when the corresponding standard is used in the network environment. Examples of developed and / or existing standards include New Radio Access Technology (NR), Evolved Univers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/30H04W52/36H04W52/38
CPCH04W52/30H04W52/38H04W52/34H04W52/367H04W76/16H04W52/346H04W52/24H04W52/365H04W88/06
Inventor 科林·弗兰克
Owner LENOVO (SINGAPORE) PTE LTD