LTE networks will suffer from 100 per cent smartphone penetration from day one. Carriers will need to be innovative to deal with the onslaught in signalling traffic.
In an LTE world, signalling traffic will grow three times faster than mobile data traffic, according to a new study from Tekelec. But CTO Doug Suriano tells Telecoms.com that the Diameter signalling protocol that is designed to deal with this surge remains immature and operators can ill-afford to wait for the standardisation process to catch up to demand.
Last week’s LTE World Summit included a pre-focus day on signaling for the first time. It was also one of the few times a pre-focus day meant a full room with several standing delegates, many more than the conference team had predicted.
So what made this day particularly interesting? The focus of the signaling day was split in two broad categories: RAN generated signaling and Diameter.
Much has been said and written of late about congestion in mobile data networks, a subject brought to the fore by the introduction of the iPhone and its subsequent clones. Indeed, the problem has precipitated a whole new sub-section of the OSS/BSS industry devoted specifically to identifying and controlling wireless broadband data traffic. There is potentially an equally serious problem however in the form of congestion on the signaling channel caused by ‘chatty’ applications and the signaling requirements of increasingly complex services running on smartphones.
Battery life is one of the biggest issues affecting smartphone performance today. But Nokia Siemens Networks and Qualcomm have teamed up to improve smartphone battery life and ease network congestion at the same time.
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Most infrastructure vendors are failing to address the signalling burden placed on 3G mobile networks by high end smartphones, according to Nokia Siemens Networks.
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