Home LTE NB-IoT 5G(NR-NSA) As per readers request this article is based on some 5G abbreviations (PCell,spCell,Scell,PSCell,MCG.SCG,Master-Node,Secondary-Node) for better understanding.

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5 maj 2563 BE — Eskön har dock delvis täckning från basstationen i Harkskär, och då 4G+. [​IMG] Masten, endast en cell, riktad mot Eskön. [​IMG]. Last edited: 

― SCell is already configured in the source PCell and the SCell is left modified/ unmodified i.e., same SCell is used even in the target PCell. ― SCell is already configured in the source PCell and the SCell is left released during handover. i.e., release of the existing SCell during handover Power Difference Between SCell and PCell in a Carrier Aggregation System . United States Patent Application 20140192663 PCell Vs SCell: - PCell always have both Uplink (UL) and Downlink (DL).

Pcell and scell

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UE를 위해 serve 한다는 개념입니다. Pcell 은 security에 관련된 기능을 수행하고, Scell은 오로지 data 전송에만 주력합니다. pCell isn’t just LTE. Each pCell supports a different protocol to each device in the same spectrum concurrently. pWave Minis support multiple current and future protocols at once.

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MCG (Master Cell Group): a group of serving cells associated with the MeNB(master) comprising of the PCell and optionally one or more SCells. SCG (Secondary Cell Group): a group of serving cells associated with the SeNB.comprising of PSCell and optionally one or more Scells.At least one cell in SCG has a configured UL CC and one of them, named PSCell, is configured with PUCCH resources.

As the name implies, PCell most "main" cell in MCG. The PCell under MCG and the SCell under MCG are united together by Carrier Aggregation (CA) technology. (see figure shown above) In CA the UE is camped to only one cell (PCell) called the Primary serving cell, served by the Primary component carrier (PCC). The other component carriers are all referred to as Secondary component carriers (SCC), served by the Secondary serving cells (SCell). During Handover, if the same SCell is in use in the target PCell (i.e., SCell is not released during Handover), the SCell in the target Cell in initially in the deactivated state.

Dec 27, 2013 PCell Vs SCell: - PCell always have both Uplink(UL) and Downlink(DL). Scell always have DL (While activated) but may or may 

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The immune microenvironment of hepatocellular carcinoma (HCC) is poorly characterized. Combining two single-cell RNA sequencing technologies, we produced transcriptomes of CD45 + immune cells for HCC patients from five immune-relevant sites: tumor, adjacent liver, hepatic lymph node (LN), blood, and ascites.
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Pcell and scell

So, the same eNodeB controls both and there is no “connection” between the PCell and the SCell. 现在澄清PCell,SCell,PSCell这三个概念。 PCell:Primary Cell,主小区. SCell:Secondary Cell,辅小区. PSCell:Primary Secondary Cell,主辅小区 在MCG下,可能会有很多个Cell,其中有一个用于发起初始接入的小区,这个小区称为PCell。顾名思义,PCell是MCG里面最“主要”的小区。 Abstract: A mobile device determines that a primary cell (PCell) and a secondary cell (SCell) belong to a same multicast-broadcast single frequency network (MBSFN) area or that the PCell and the SCell can broadcast the same service.

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Similarly to  the MeNB/SeNB, comprising of the Primary Cell (PCell) / Primary SCell (PSCell) and optionally of one or more Secondary Cells (SCells). In DC a UE is  bandwidth expansion only and holds the functionality of DL Secondary cell ( SCell). This serving cell is referred to as the primary cell (PCell).


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PCell stands for parameterized cell, a concept used widely in the automated design of analog integrated circuits. A PCell represents a part or a component of the circuit whose structure is dependent on one or more parameters. Hence, it is a cell which is automatically generated by electronic design automation software based on the values of these parameters. For example, one can create a transistor PCell and then use different instances of the same with different user defined

RRC/NAS messages exchange, measurement, RACH etc. PCell always remains active in RRC Connected mode while SCell is activated/deactivated whenever required e.g. when high throughput is required PCell has PDCCH in downlink and PUCCH in uplink but SCell has only PDCCH in downlink The PCell and SCell are UE specific.

Website www.powercell.se. Cell is a multi-core microprocessor microarchitecture that combines a general-purpose PowerPC core of modest performance with streamlined coprocessing elements which greatly accelerate multimedia and vector processing applications, as well as many other forms of dedicated computation..