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Multiple power control parameter sets for wireless uplink data transmission

A technology of power control parameters and transmission power, which is applied in the field of computer programs, can solve problems such as leakage and badness, and achieve the effect of enhancing performance

Inactive Publication Date: 2011-09-21
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The smaller the value for α, the (a) higher the SINR for near UEs and (b) the worse the leakage problem

Method used

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  • Multiple power control parameter sets for wireless uplink data transmission
  • Multiple power control parameter sets for wireless uplink data transmission
  • Multiple power control parameter sets for wireless uplink data transmission

Examples

Experimental program
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Embodiment Construction

[0072] The illustration in the figure is schematic. It should be noted that in the different figures, similar or identical elements are provided with the same reference numerals or with reference numerals which differ from the corresponding reference numerals only in the first digit.

[0073] figure 1 A cellular telecommunications network 100 is shown. The cellular telecommunication network 100 comprises a plurality of cells, wherein, in figure 1 In , only one cell 110 is depicted for clarity. Cell 110 is served by base station 120 . In the framework of the Universal Mobile Telecommunications System (UMTS), a base station is called a NodeB. In the framework of Long Term Evolution (LTE) networks, base stations are often referred to as Enhanced NodeBs (eNBs).

[0074] A plurality of network elements 132 , 134 are located within the cell 110 . Each network element 132, 134 may be (a) a user equipment (UE) such as a cellular telephone, personal digital assistant (PDA), or no...

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Abstract

It is described a method for controlling the transmission power for a network element (132, 134) being connected to a base station (120) of a cellular telecommunication network (100) via an uplink wireless data connection. The method comprising providing a first set (set1) of power control parameters (P0_ PUSCH _1,a1) and a second set (set2) of power control parameters(P0_ PUSCH _2,a2), storing the first set (set1) of power control parameters (P0_ PUSCH _1,a1) and the second set (set2) of power control parameters (P0_ PUSCH _2,a2) within the network element (132, 134), using the first set (set1) of power control parameters (P0_ PUSCH _1,a1) by the network element (132, 134) for transmitting within a first radio transmission resource, and using the second set (set2) of power control parameters (P0_ PUSCH _2,a2) by the network element (132, 134); for transmitting within a second radio transmission resource. Further, it is described a network element (132, 134) and a base station (120), which are, in connection with each other, adapted to carry out the described transmission power controlling method.

Description

technical field [0001] The invention relates to the field of operating cellular telecommunication networks. In particular, the invention relates to a method for controlling the transmission power of a network element connected to a base station of a cellular telecommunication network via an uplink wireless connection. Furthermore, the invention relates to a network element and a base station adapted in combination with each other to carry out the transmission power control method described above. Furthermore, the invention relates to a computer program adapted to perform said transmission power control method when executed by means of a processor. Background technique [0002] Uplink power control is a mandatory feature for every multiple access telecommunication system that is not based entirely on Time Division Multiple Access (TDMA) principles. The reason is that the radio signals transmitted by different user equipments (UEs) are usually not perfectly orthogonal. This...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/34H04W52/14
CPCH04W52/146H04W52/346H04W52/322H04W52/325
Inventor R·伊尔默B·拉夫I·维林
Owner NOKIA TECH OY