11-10-2012, 05:47 PM
Air Interface for Fixed and Mobile Broadband Wireless Access Systems-Advanced Air interface
[attachment=36130]
Abstract
IEEE 802.16m a 4G wireless technology, an amendment to Mobile WiMAX is expected to ensure competitiveness of the evolved air interface with respect to other broadband radio access technologies as well as ensure support and satisfactory performance for emerging advanced services and applications requiring high bitrates, QoS, Bandwidths ensuring Spectrum efficiency and high mobility. This makes use of state of art adaptive modulation and coding techniques, cell sectorization, frequency reuse, advanced air interface antenna technology etc. The MAC and Physical Layers are to provide legacy support to 802.16e. The following gives an overview of the standardization and deployment scenarios of 802.16m.
General Requirements
Meet the IMT-Advanced performance Requirements.
System Requirements for systems comprising of all new MSs and BSs.
Minimize complexity and number of options.
Operating Frequencies: less than 6GHz.
Operating bandwidths: 5-20MHz and more.
Duplex Schemes: TDD and FDD, HFDD.
Both unpaired and paired Frequency Allocations
UL/DL Ratio should be configurable in both TDD and FDD.
Downlink-only configurations on a given carrier.
Advanced Antenna Techniques
Minimum 2 Transmit and 2 Receive for BS
Minimum 1 Transmit and 2 Receive for MS
Support for Government, Military, Public and Emergency Services.
such as call prioritization, pre-emption, push-to-talk
Functional Requirements
Peak Data Rate
Downlink (BS to MS) > 6.5bps/Hz
Uplink (MS to BS) > 2.8bps/Hz
20MHz => 130Mbps
Latency: Lower than 802.16e in all cases.
Data Latency: Downlink 10 ms max and Uplink 10 ms max.
State Transition Latency : idle to active<100ms .
Max Handover Interruption time: Intra Frequency 60 ms and Inter Frequency 150 ms.
QoS: Maintained when switching between RATs (Radio Access Terminal).
Service continuity during handover .
Enhanced Multicast Broadcast service.
Optimized Switching.
High Resolution Location Determination.
[attachment=36130]
Abstract
IEEE 802.16m a 4G wireless technology, an amendment to Mobile WiMAX is expected to ensure competitiveness of the evolved air interface with respect to other broadband radio access technologies as well as ensure support and satisfactory performance for emerging advanced services and applications requiring high bitrates, QoS, Bandwidths ensuring Spectrum efficiency and high mobility. This makes use of state of art adaptive modulation and coding techniques, cell sectorization, frequency reuse, advanced air interface antenna technology etc. The MAC and Physical Layers are to provide legacy support to 802.16e. The following gives an overview of the standardization and deployment scenarios of 802.16m.
General Requirements
Meet the IMT-Advanced performance Requirements.
System Requirements for systems comprising of all new MSs and BSs.
Minimize complexity and number of options.
Operating Frequencies: less than 6GHz.
Operating bandwidths: 5-20MHz and more.
Duplex Schemes: TDD and FDD, HFDD.
Both unpaired and paired Frequency Allocations
UL/DL Ratio should be configurable in both TDD and FDD.
Downlink-only configurations on a given carrier.
Advanced Antenna Techniques
Minimum 2 Transmit and 2 Receive for BS
Minimum 1 Transmit and 2 Receive for MS
Support for Government, Military, Public and Emergency Services.
such as call prioritization, pre-emption, push-to-talk
Functional Requirements
Peak Data Rate
Downlink (BS to MS) > 6.5bps/Hz
Uplink (MS to BS) > 2.8bps/Hz
20MHz => 130Mbps
Latency: Lower than 802.16e in all cases.
Data Latency: Downlink 10 ms max and Uplink 10 ms max.
State Transition Latency : idle to active<100ms .
Max Handover Interruption time: Intra Frequency 60 ms and Inter Frequency 150 ms.
QoS: Maintained when switching between RATs (Radio Access Terminal).
Service continuity during handover .
Enhanced Multicast Broadcast service.
Optimized Switching.
High Resolution Location Determination.