Backhaul fibermicrowave e911 call validation when required testing as required small cell commissioning, testing and acceptance with the latest data collection and post. Demand and supply options available for mobile backhaul. White paper page 5 the clear choice challenge of small cell backhauling. In this paper, backhaul challenges for small cell base stations bss are. This paper helps operators and enterprises to understand the particular needs of enterprise small cells from a backhaul.
The cost of the box is mainly in rf, antennas and bbsoc, of course some cost. Muhammad zeeshan shakir carleton university, canada and mohamedslim alouini king abdullah university of science and technology, saudi arabia tutorial overview. The family approach has a major benefit one architecture supporting the three backhaul frequency ranges of. Small cells operate in continuously changing, cluttered environments over which operators have hardly any control, and which lack the physical and rf stability of cell. Rf design and backhaul design plans ensure optimal signal distribution and coverage as designed small cell operation validation. If you have ever used a carriers wifi hotspot then chances are you have used a device similar to this. Sometimes mobile operators mandate that only their own fixed broadband service can be used with their residential small cells, but at least 50% dont. For small cell deployments to be financial viable, a new economic cost model is needed. Wireless backhaul node placement for small cell networks muhammad nazmul islam, ashwin sampath, atul maharshi, ozge koymen and narayan b. Consolidated communications offers support and expertise for your small cell backhaul projects and custom fiber designs, drawing on local, inmarket experience to achieve ontime delivery of backhaul solutions in both rural and urban markets. Small cell penetration is percentage of total apartments per macrocell 720 with a small cell.
Well continue our journey in 20 as we examine areas of wireless communication including lte backhaul, microwave networking, low latency applications and small cell backhaul. Where small cells are augmenting capacity of a macro cell, the small cell availability requirement may be relaxed somewhat recognizing that subscriber access can fall back to the macro network. Lte macro lte small cell w 5g wireless backhaul 5g indoor small cell 5g indoor small cell 5g cell street level. The cellular industry is buzzing with small cell fever. This is both to ensure optimal network performance and to seek remuneration from backhaul providers in the event of sla violations. There is a wide range of backhaul solutions that together can address the backhaul.
Attachments contain the indepth analysis of promising small cell microwave and wifi backhaul solutions. Solution brief wireless backhaul solutions for small cells 2 solution brief in addition, small cell access points are an ideal solution for last mile backhaul. Drivers for selfbackhauling in 5g small cells densification calling for. Backhaul fronthaul technologies for heterogeneous small cell networks presenters. There are many solutions for mobile backhaul that use microwave, optical fiber or copper as a transport medium and there is no one size fits all approach. Dense deployment of small cells over traditional macrocells is considered as a key enabling technique for the emerging 5g cellular networks. There is a range of use cases for open access small cells, from targeted demand hotspots in city centres, through generalised capacity uplift, to serving notspots in remote rural areas. The lte advancedready small cell backhaul solution from juniper networks and siklu provides costeffective, fieldproven mmw radio technology to expand your mobile backhaul network footprint while utilizing your existing investment. The resilient gigabit capacity links futureproof your small cell build while. For inbuilding use, existing broadband internet can be used. Very low visual impact understanding small cell backhaul. Small cell backhaul performance assurance may 2014 multiradio small cells backhaul utilization is highly dynamic not just by time of day, week or year, but also from ues switching from a lowercapacity carrier to a faster one in multiband cells and roaming between them. A backhaul solution for organic small cell growth a tco analysis by monica paolini, senza fili. The complexity and density of this metro layer network is foreseen to reach n.
We look at two small cell vendors who champion this approach. Heterogeneous small cell networks hetnets are considered as a striking solution to the challenging demands such as high spectral and. Wireless backhaul is an attractive option for small cells as it provides a less expensive and easytodeploy alternative to. Fiber cant be everywhere, but cambium can cambium nlos, highcapacity wireless is your answer to lte small cell backhaul. Wireless backhaul solutions for small cells high capacity comes in small packages abstract. Cablefree offers complete lte solutions including base stations, epc and a complete suite of cpe products, plus backhaul links up to 10gbps.
Small cells are able to provide wireless backhaul, which allows for better blending into surroundings while facilitating site deployment. While 3g networks typically are deployed with cell site spacing of 3 km, 4g architecture will lead to picocells, especially in dense urban environments. Infineon has a broad portfolio of packaged rf transceivers for basestation backhaul solutions beside bgt70 and bgt80 for eband radio, also bgt60 for vband radio. In this fully wireless backhaul network architecture, the macro cell only controls the cluster heads rather than. Heterogeneous small cell networks hetnets are considered as a striking solution to the.
One of the main challenges for a mobile network operator when adding a small cell underlay for capacity is backhaul. The wire behind wireless spectrum enterprise duration. In this paper, backhaul challenges for small cell base stations bss are discussed, and potential wired and wireless solutions together with their benefits and drawbacks are presented. This is putting a strain on the mobile backhaul network. The big picture 2 2 market progress in small cells and backhaul the cellular industry is undergoing dramatic changes in order to keep pace with the recent uptick in demand for mobile broadband. Mobile network operators are gearing up for a new kind of backhaul architecture that makes better use of. Managing opex and capex in small cell backhaul dr john naylon, cto, cbnl small cells world summit, 4 june 20. Nlos can in fact be a viable solution for small cell backhaul. As a result, smallcell backhaul is emerging as a distinct segment within the backhaul market, with products.
Wireless backhaul node placement for small cell networks. Polewalls streethopper is an optical wireless access solution that allows carriers to increase their capacity and quickly expand their small cell backhaul coverage. But the main advantage of this approach is that it doesnt affect the capacity requirements of the existing macro cell backhaul links. However, there are multitude of bands and features e.
Design of costoptimal passive optical networks for small. Small cell millimeter wave mesh backhaul interdigital. Ac power outages in order to maximize uptime of both the small cell and colocated backhaul equipment. Dedicated backhaul decouples the traffic load between macro and small cell backhaul solutions may limit future options for coordination requirements will change as we evolve from 3g to lte small cells small cells and backhaul deployment strategies may 20 29. Within the general thrust of implementing small cell outdoor cellular. In the enterprise deployment use case, the small cell forum defines backhaul as the connection between the enterprise premises and the operator core, as distinct from the lan within the enterprise over which local onsite connectivity will be maintained. In urban outdoors, mobile operators consider this more challenging than macrocell backhaul because a small cells are typically in hardtoreach.
A wide variety of technologies are being considered or adapted for this purpose, and we explain how a toolkit approach to metrocell backhaul is most likely. However, a fundamental challenge is to provide an economical and ubiquitous backhaul connectivity to these small cells. Backhaul is needed to connect the small cells to the core network, internet and other services. Backhaul options for outdoor small cells abi research.
Sometimes mobile operators mandate that only their own fixed broadband service can be used with their residential small cells. Such monitoring and management solutions leverage end to end, real time. As a result, smallcell backhaul is emerging as a distinct segment within the backhaul market, with products specifically designed to meet a set of unique challenges. Millimetre w t what is millimetre wave transmission. An alternative is a new generation of small cell backhaul solutions that deploy a pmp nlos backhaul solution. As a result, the small cell backhaul has to be a packed version of the macrocell backhaul. One that will use the carriers spectrum, like lte, for backhaul. Big promise for small cell mobile backhaul optimizing small cell sites for backhaul given the complications and costs associated with deployment of new small cells at street level, many of these issues could be mitigated through the selection of sites that are favorable for backhaul. Understanding smallcell wireless backhaul within the general thrust of implementing small cell outdoor cellular networks, backhaul is seen as one of.
Small cell technology enables mnos to deploy sites in strategic locations offering smaller coverage with higher capacities, using licensed and unlicensed wireless spectrum. The small cell forum release program has now established business cases and market drivers for all the main use cases, clarifying market needs and addressing barriers to deployment for residential, enterprise and urban small cells. Sinha abstractwith the recent popularity of mobile data devices, the demand for mobile data traffic has grown rapidly as never before. For a particular operator, this number cannot exceed its own market share. A small cell can be defined as an access point that provides a higher capacity. Small cells can connect buildings and many outdoor locations, providing the lastmile extensions that are often needed for nearlineofsight nlos solutions. As a dense underlay to the macrocellular layer, small cell networks typically have cells that are a few hundred meters in size and are deployed at street level, on light poles, buildings sides or other suitable structures. Consequently, it is up to the vendors of backhaul infrastructure access to tailor their solutions and products to optimize small cells for each scenario. Weve helped you to insert pdf files into popular file formats, such as word and ppt in the past, so heres a third article to on how to insert pdf into excel sheets how to insert pdf into excel from excel as an object the quickest way to insert pdf files into excel sheets is via the software itself. Backhaul technologies for small cells small cell forum releases. Presented by paul obsitnik, bridgewave communications. Cablefree small cell backhaul using cpri over mmw for metrocells, deployed in streets and other public areas, a combination of wireless for the last few hundred metres and fibre seems ideal. May 23, 2011 this video outlines the characteristics of picocells and the reasons why 60 ghz wireless technology is ideal for small cell backhaul. The higher bandwidth demands from lte and wifi place ever greater loads driving further investment.
Data caching, storing frequently accessed data within each small cell, could significantly reduce backhaul bandwidth required and also improve the quality of service to customers. Pdf dense deployment of small cells over traditional macrocells is considered as a key enabling technique for the emerging 5g cellular. For residential and many enterprise small cells, this can be almost any broadband internet service, including dsl and cable. Aug 06, 2015 the small cell forum release program has now established business cases and market drivers for all the main use cases, clarifying market needs and addressing barriers to deployment for residential, enterprise and urban small cells. Choice of backhaul solution depends on the original motivation to deploy small cells. Mobile networks that were originally built for voice communications are now being optimised for data applications. Overall, it was a very successful year for one of the few blogs focused on backhaul and related topicsand perhaps the only one devoted to microwave backhaul.
The operator recently conducted field tests on alternative wireless solutions for connecting lte and small cell networks, determining that cambium networks ptp 670 provided consistently reliable. Infineon rounds off the backhaul family with a packaged rf. Small cells and the evolution of backhaul assurance. In cases where small cells are filling coverage holes and providing telecommunications services the availability uptime of both the small cell and backhaul generally need to be comparable to that of a macro cell. It is backhaul that uses the carriers spectrum, just like the ue, user equipment, you smartphone. Jun 20, 2012 wireless backhaul adaptability may be important for nlos solutions, since at street level the radio conditions can change frequently and dramatically e. Small cell sites, known as microcells, picocells, and femtocells, are set for widespread deployment in order to improve mobile data coverage. However, wired solutions can play a useful role in small cell backhaul, and of course, the overall backhaul solution can be a hybrid of wired and wireless such as shortlength microwave connectivity.
Understanding smallcell wireless backhaul electronic design. Use of wireless backhaul is particularly strong in europe where over 80% of all cell sites are interconnected wirelessly. Inband fullduplex ibfd backhauling is a potential technique for wireless backhauling of small cells that allows the use of same spectrum for the backhaul and access links of the small cell. Not all cell sites are served by fiber especially at street level with 5g mmwave and small cells, but uwavemmwave transport technology and especially eband 7080 ghz have evolved to provide the necessary kpis antenna gain rules on eband backhaul need to. In this chapter, we focus on how the shape and nature of backhaul in europe is changing as a consequence of growth in wireless traffic, the introduction of lte and other factors that are changing the radio access network space. Understanding the proposed small cell use cases in ee 3. Review fixed backhaul trials on third party next generation access, refers to fttcvdsl2 and fttp 5.
Demand and supply options available for mobile backhaul 3 ref. Small cell backhaul application brief small cell backhaul app brief page 1 small cell backhaul. Data caching reduces backhaul costs for small cells and wi. Crucial economics for mobile data backhaul cambridge. Colocated mesh gw network cloud network cloud mobile core hx gateway small cell nodeb or enodeb. Deployment of a next generation public wifi and lte small. Small cells and mobile backhaul markets, technologies. This opens the door to lower cost backhaul options that are not generally acceptable for macro cell site backhaul. Small cell backhaul is the transmission link between the small cell and the mobile network operators core network. Pdf to satisfy the recent growth of mobile data usage, small cells are recommended to deploy into conventional cellular networks. Small cells backhaul alcatelfilucent strategic white p aper 3 if a mobile operator plans to provide only besteffort voice and data services using small cells, then sla requirements can be relaxed. This provides a rapid, costeffective deployment of a highcapacity backhaul. With a selforganizing mesh solution that uses pointtomultipoint pmp spectrum in.
Small cell backhaul requirements linkedin slideshare. As the world increasingly goes mobile, operators and vendors are rapidly approaching the shannon limitthe theoretical maximum information transfer rate of a channel. Aug 18, 2015 since small cell bss are deployed in larger numbers and should incur a much lower cost than macrocell bss, the cost per small cell backhaul connection has to be significantly lower than that per macrocell backhaul connection. Industry trends and market overview by monica paolini, lance hiley and frank rayal senza fili. Hughes satellite cellular backhaul solutions employ sophisticated traffic management techniques to minimize bandwidth cost in reaching difficult locations, including dynamic channel assignment and sharing on an asneeded basis among multiple sites. Pdf energy efficiency of small cell backhaul networks based on. At the end of 2009, there were approximately four million cell sites in the world, and approximately 50% of these were connected by ptp wireless. Sometimes operators have access to alternative spectrum such as 3. New 4g spectrum and technology are being made available, and the network is becoming a smaller place. Hetan supports small cells to address the cost issue, many operators especially those with both mobile and fixed infrastructure are looking to leverage their fixed assets for. Design of costoptimal passive optical networks for small cell backhaul using installed fibers invited chathurika s.
Today, the backhaul landscape is actively changing to keep up with user demand for data. We would like to show you a description here but the site wont allow us. Each transition can create a step in bandwidth demand at any. Small cell forum release website can be found here. This implies the need for highly reliable backhaul, end to end. Small cell backhaul introduces additional layers of aggregation in the backhaul network, creating hubandspoke topologies, often resulting. Discuss results from wireless small cell backhaul trials 6. Whilst the target audience is primarily the mobile operator, vendors and other parts of the industry will also benefit from this collective view.
Value based backhaul monitoring for small cells how network operations can contribute to the bottom line based on report and webinar sponsored by viewpoint snapshot this paper investigates the benefits to lte operators of value based monitoring for small cell backhaul. As the demand for everywhere mobility has continued to skyrocket. Documents use cases, backhaul requirements and backhaul solutions. The aim of this white paper is to analyze perceived challenges in backhauling small cells and provide information to help operators select the most appropriate solutions for the different deployment scenarios envisaged.
Both small cell approaches increase capacity for endusers because the overall mobile network coverage and proximity to the small cells improves. There are many more small cells in a given area than macrocells and they all must be interconnected to the mobile core. Indoor small cells placed on ceilings or interior walls can use existing fttx or ethernet resources as per the availability. Over the past year, intel and its partners have been conducting small cell trials that incorporate intelligence at the base. Mobile network expansion requires a lot of planning. For small cell sites to be effective, mobile operators need a costeffective, easily deployable solution with an acceptable form factor. Backhaul solution characteristics and suitability to the different use cases before even considering the backhaul, the first stage is to analyse the different use cases for the small cells themselves. Small cell backhaul performance assurance accedian.
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