This version of test plan specifies test instructions for two. Jan 17, 2018 carrier aggregation in ltea lte advanced carrier aggregation is a key technology in lte advanced ltea to enable higher capacities on mobile networks. Carrier aggregation combines multiple component carriers and allows. Carrier aggregation the most straightforward way to increase capacity is to add more bandwidth. An introduction to carrier aggregation testing an ascom network testing white paper by anders hedlund and irina cotanis. Release 10 set the precedent for lte carrier aggregation and addressed some specific early requirements, but it was just the start. Single channel approach to data transfer conventional lte network advanced. Carrier aggregation ca helps in increasing bandwidth allocation to the ue. Aggregates several bands for achieving higher data throughputs. Evolution of carrier aggregation 3gpp releases 10 to. This is made possible through higher order modulation 256qam, carrier aggregation and 4x4 mimo. Carrier aggregation one key enabler for lteadvanced. Lte carrier aggregation lte advanced brings increased network efficiency and higher throughput, but carrier aggregation is the key to meeting global expectations for mobile broadband performance.
Advances in carrier aggregation and multi user mimo for lte. Higher spectral efficiency and radio frequency utilization. The tests defined in this document contain recommended suite of test cases that apply to the ca features. A feasibility study and research challenges article pdf available in procedia computer science 34. Carrier aggregation is a technology through which, a ue can use multiple component carriers to transmitreceive data tofrom the enodeb. This understanding guide gives an overview of the carrier aggregation evolution in hspa and. By combining more than one carrier together, either in the same or different bands it is possible to increase the bandwidth available and in this way increase the capacity of the link.
Jun 07, 2017 carrier aggregation in ltea lte advanced carrier aggregation is a key technology in lte advanced ltea to enable higher capacities on mobile networks. Carrier aggregation, lteadvanced, fairness index, cell throughput. Lte advanced and carrier aggregation ca 4g lte networks. By means of ca, users gain access to a total bandwidth of up to 100 mhz in order to meet the imtadvanced requirements. Carrier aggregation one key enabler for lteadvanced analysts anticipate that by the end of 2012, 152 lte networks will be on air in 68 countries worldwide. Carrier aggregation is critical for boosting mobile network capacity and increasing bandwidth, but how does it work. Now, as the number of people travelling increases, what do we do to serve the. Release 8 and 9 ues supported only one component carrier. The uplink carrier aggregation is also part of the release 10 lte specifications, similar to the downlink carrier aggregation. Carrier aggregation call flow in lte part4 youtube. Carrier aggregation is one of the key features for lteadvanced.
Pdf in order to achieve up to 1 gbs peak data rate in future imtadvanced mobile systems, carrier aggregation technology is introduced by the 3gpp to. Carrier aggregation is a special form of lte technology that enables ue and network to use more than one carrier frequencies. By means of ca, two or more component carriers ccs can be aggregated to form a much wider transmission bandwidth up to 100. Lte advanced carrier aggregation intr an implications for m devic testing 1 spirent white paper introduction lteadvanced was introduced to meet the worlds demand for faster data delivery and. The aim of the eu fp7 project on spectrum aggregation and multiusermimo. Use this calculator to calculate lte throughput, and carrier aggregation throughput. Executive summary to address dramatic increase of the demand for mobile broadband services and to support wider transmissions bandwidths, 3gpp long term evolution lte standard has introduced two powerful techniques, multi user mimo mumimo and carrier aggregation ca. Lte advanced pro supports up to 5 ccs lte carrier aggregation cc1 cc2 cc3 cc4 cc5 each cc maximum 20 mhz bandwidth cc1 cc2 cc3 cc4 cc5 cc6 cc7 lte carrier aggregation eutra nr dual connectivity endc 5g nr carrier aggregation figure 1. Carrier aggregation ca is one of the key features for lte advanced.
Intraband noncontiguous carrier aggregation with timing offset. By means of ca, users gain access to a total bandwidth of up to 100. However, nr does not support carrier aggregation with lte and thus dualconnectivity is needed to support aggregation of the lte and nr throughput. Especially with the introduction of carrier aggregation and the number of carrier gets larger, the amount of necessary information e. This chapter presents the long term evolution lte uplink carrier aggregation principles. Explore our leadingedge rf solutions for lte carrier aggregation ca. Lte advanced carrier aggregation supporting cat6 data. Pdf performance of uplink carrier aggregation in lte. Lte advanced carrier aggregation supporting cat6 data speeds of up to 300mbps qualcomm snapdragon 810. Carrier aggregation for lte advanced mobile communication systems. Carrier aggregation lte advanced maximum bandwidth carrier 1 carrier 2 carrier 3 carrier 4 carrier 5 rel8 bw rel8 bw rel8 bw rel8 bw rel8 bw release max no of.
It enables deploying high capacity and performance radio. In the case of a single radioaccess technology, such aggregation between carriers transmitted from the same node would be more efficiently realized by means of carrier aggregation see section 7. Jul 02, 20 we use your linkedin profile and activity data to personalize ads and to show you more relevant ads. Solving the global lte multimode and multiband challenge. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. Carrier aggregation fundamentals for dummies qorvo. Carrier aggregation in this article i would like to explain the concept or the technology carrier aggregation in connection with lte. Carrier aggregation fundamentals bandwidth extension by aggregating lte component carriers cc o up to 5 cc can be allocated in both dl and ul 100 mhz aggregated. Each aggregated carrier is referred to as a component carrier, cc. The lte system is able to operate in more than 40 different spectrum bands, to accommodate diverse frequency allocations in different parts of the world. Carrier aggregation and dual connectivity senb f 1 c o n t r o l d a t a d a t a menb f 2 backhaul x2 dual connectivity f 1 f 2 enb carrier aggregation component. Lte networks, discusses implication on the architecture and the user equipment. Carrier aggregation ca provides the foundation for very high data volumes and data rates by combining contiguous and noncontiguous spectrum bands into a single logical lte channel. Mar 25, 2014 i introduced the fundamentals of carrier aggregation in a previous post on lte carrier aggregation comes to fruition and i discussed the first commercial deployment in sk telecom leads the way with lte advanced.
Lte advanced carrier aggregation ca is one possible solution for the operators to manage global mobile network tra. Lte advanced \ lte a\ supports higher downlink data throughput by aggregating up to five lte carriers, or component carriers, for a single mobile user session. Carrier aggregation, in short ca, is an important component of the 3gpp release 10, and thus of lte advanced lte a. Single channel approach to data transfer conventional lte network advanced lte network conventional lte device qualcomm gobi 9x35. These options establish the evolution from lte to nonstandalone nsa and finally to 5g nr. To support backward compatibility with lte user equipment ue, each of. Lte carrier aggregation basics carrier aggregation types. The frequency aliasing will generate much more interference between adjacent component carriers and therefore greatly degrades the bit error rate performance. It does so by allowing service providers to consolidate multiple component carriers and use the bandwidth. Evolution of carrier aggregation 3gpp releases 10 to carrier aggregation modes rel. Bandwidth extension by aggregating lte component carriers cc o up to 5 cc. Focusing on the enhancements brought about by the introduction of lte advanced, this course explains the modifications and benefits to the air interface in terms of supporting carrier aggregation and mimo. Lte wifi carrier aggregation for future 5g systems.
It mentions lte carrier aggregation types and carrier aggregation frequency bands. Since it is important to keep backward compatibility with r8 and r9 ues the aggregation is based on r8r9 carriers. Lte a carrier aggregation is defined by 3gpp r8r9 onwards. A special focus will be made on the testing method to troubleshoot and evaluate the performance of carrier aggregation devices. Carrier aggregation in lte a lte advanced carrier aggregation is a key technology in lte advanced lte a to enable higher capacities on mobile networks. In short, aperiodic report is configured by two factors. A special focus will be made on the testing method to troubleshoot and evaluate the performance of carrier aggregation. Operators, app developers, and oems by delivering higher data rates, improved capacity, and the ability to use spectrum fragments. It mentions minimum requirements of carrier aggregation in 5g nr. The following deploy ment scenarios 7 are considered during the design of lte advanced carrier aggregation, exemplified with two component carriers at fre.
An lte advanced terminal with reception andor transmission capabilities for carrier aggregation can simultaneously receive andor transmit on multiple component carriers. Hence it will support higher data rate compare to non ca device. Advances in carrier aggregation and multi user mimo for. Carrier aggregation is the first step of lte advanced. Carrier aggregation ca consists of grouping several component carriers cc to achieve wider transmission bandwidths. It mentions carrier aggregation dual connectivity lte 5g nr frequency bands and benefits or advantages of carrier aggregation in wireless systems such as 5g nr. Carrier aggregation for lteadvanced mobile communication systems. Ltea 3cc carrier aggregation connecting repositories. In the case of carrier aggregation, multiple lte carriers, each with a bandwidth up to 20 mhz, can be transmitted in parallel tofrom the same terminal, thereby allowing for an overall wider bandwidth and correspondingly higher perlink data rates. Rf aspects of carrier aggregation there are a number of ways in which lte carriers can be aggregated.
The possibility for carrier aggregation was introduced in lte release 10. Carrier aggregation permits the lte radio interface to be configured with up to five component carriers of any bandwidth. This page describes 5g nr carrier aggregation ca basics. Lte advanced carrier aggregation measurement mx269020a001 demonstration using signal analyzer and vector signal generator lte advanced fdd downlink measurement software mx370108a001 lte advanced fdd iqproducer ms2690ams2691ams2692a signal analyzer mg3710a vector signal generator mx26902 2a001 lte advanced tdd downlink measurement software. Fbar multiplexers, front end modules fem and power amplifier pa duplexers. While the main focus of this thesis is on lte a, the basic knowledge of lte is provided to understand the functionalities in lte a. The lte a is an enhancement for lte and includes features such as carrier aggregation, heterogeneous networks and enhanced multiple input multiple output mimo techniques. This page describes lte carrier aggregation basics in tdd and fdd mode. This test plan is to be executed in addition to the ctia test plan for lte interoperability 1 for all carrier aggregation capable ues. Carrier aggregation an overview sciencedirect topics.
Lteadvanced design and test challenges carrier aggregation. Carrier aggregation for release 10 backward compatible with lte release 8 9 each component carrier cc appears as release 89 carrier to lte ue can be operated standalone as a single carrier or as part of carrier aggregation deployment will be limited to the use of two ccs. Lte adv anc ed carrier aggre gation introduction and implications for mobile device testing june 20 rev. Pdf carrier aggregation is one of the key features for lteadvanced. Performance evaluation of lteadvanced carrier aggregation. Ca is a technique that is capable of combining multiple lte carriers.
Performance of uplink carrier aggregation in lte advanced systems. Qualcomm technologies sherif hanna gives a superquick explainer. Lte advanced carrier aggregation, ca, is one of the key techniques used to enable the very high data rates of 4g to be achieved. To facilitate a quick conversion to 5g, 3gpp presented mnos with multiple options as shown in figure 2 below. By means of ca, users gain access to a total bandwidth of up to 100 mhz in. Lte advanced with carrier aggregation allows gigabit lte. In so doing, the key carrier aggregation procedures are explored, including the impact this has had on mobility within the network. Compared to previous technology rollouts 2g, 3g, 3. Carrier aggregation in lte advanced free download as powerpoint presentation. Lte networks, discusses implication on the architecture and the. Since lte release 10 up to 5 component carriers may be aggregated, allowing for transmission bandwidths of up to 100 mhz. Carrier aggregation can be used for both fdd and tdd. Carrier aggregation is one of the key features in lte a and it is also the primary topic of this paper. In principle, carrier aggregation can be applied to either the fdd or tdd variants of lte and it can be used to combine carriers.
Mumimo and carrier aggregation ca are two important techniques addressed by 3gpp for lte and lte advanced. Lte advanced carrier aggregation supporting cat6 data speeds. Carrier aggregation can be used for both fdd and tdd, see figure 1 for an example where fdd is used. Carrier aggregation and its different types as part of the lte advanced feature set while the industry is still facing challenges with lte, e. Multiuser mimo and carrier aggregation in 4g systems. Pdf ltewifi carrier aggregation for future 5g systems.
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