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Press Release
WiMAX 2.0: The Truth About 802.16m
Publication Date: 15th July 2008
The 802.16m standard is an amendment to the IEEE 802.16 WirelessMAN-OFDMA specification which provides an advanced air interface for operation in licensed spectrum bands. Once finalized, the 802.16m standard will be compliant with the IMT-Advanced specifications for 4G technologies. These specifications include:
- A high degree of commonality of design worldwide
- Interoperability of services between IMT-Advanced and IMT-2000 standards (i.e.
- 802.16m will have to be backwards compatible with the 802.16e standard
- An extraordinary high quality of service
- Small terminals suitable for use around the world
- Worldwide roaming capability
- The ability to support multimedia applications via a wide range of services and devices
The 802.16m standard is expected to be ratified sometime between late 2009 and 2011 which is around the same time the LTE standard is expected to be ratified. According to the IEEE, the LTE standard is only required to meet downlink speeds of 100 Mbps and uplink speeds of 50 Mbps which is significantly lower than the 1 Gbps downlink speeds in nomadic/fixed services required for 802.16m. It should be noted that at the time of publication the uplink speed requirements for 802.16m had not been determined. It should also be noted that these are merely proposed requirements at this point.
If history is any indication, it is extremely likely that the IEEE may throttle back the expectations for the 802.16m standard. The 802.16e standard experienced quite a few delays and most definitely did not live up to its original promise of “70 Mbps at 70km from the base station.” The WiMAX forum only recently certified 802.16e products, three years after its original inception. The vast majority of current WiMAX deployments are either on a proprietary BWA technology or the 802.16d standard with many operators only now beginning to trial 802.16e technology
The LTE standard will most-likely also encounter similar delays. However should existing WiMAX technologies see a tipping point and reach a mass market, it would most likely accelerate not only LTE standardization but 802.16m standardization as well. It is likely that the market will not see any 802.16m commercial deployments until some time in 2013, with trials taking beginning in late 2011.
IMS Research believes that in addition to possible 802.16m delays, it’s likely that the technology won’t be able to meet its original data rate expectations. Given the fact that the original proposals for data rates were so high, even if the IEEE can deliver on half of the original expectations, the industry will still be working with a very robust technology capable of delivering advanced services. IMS Research estimates that real world situations, data rates for 802.16m services will be 400-500 Mbps for nomadic applications and 50-70 Mbps for mobile applications.
Although it may be hard to imagine why a consumer would need so much bandwidth on the go, it wasn’t that long ago that consumers couldn’t imagine why they would need a phone on them at all times. 802.16m technology could enable someone to have a high-definition video conference in the middle of Central Park with someone in Taiwan on their mobile phone. In car DVD systems could be a thing of the past with WiMAX 2.0 allowing the kids in the backseat to stream a high definition movie directly to the vehicle without the need of a physical disk. The possibilities are truly endless should the technology live up to its expectations.
Although these applications may seem a bit far out and 500 Mbps data rates unnecessary, in five to six years we may be wondering how we ever lived without them.
Editors Note :
A full analysis of the mobile broadband market is included in the IMS Research report, “Mobile Broadband: 4G Network Evolution.” Please contact Bob Perez at bob.perez@imsresearch-usa.com for more information.
About IMS Research: IMS Research is a supplier of market research and consultancy services on a wide range of global electronics markets. The company is supported by headquarters in Wellingborough, UK and offices in Austin, Texas and Shanghai, China. IMS Research regularly publishes detailed research on both the Broadband and Mobile Technologies markets, among others.
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