IEEE 802.16.1-2012 pdf download IEEE Standard for WirelessMAN-Advanced Air Interface for Broadband Wireless Access Systems
3. Definitions
For the purposes of this document, the following terms and definitions apply. The IEEE StandardsDictionary Online should be consulted for terms not defined in this clause.’
AAI (DL/UL) Access Zone: An integer multiple of subframes located in the MZone of the ABS frame orARS framme, where an ABS or ARS transmits to the AMSs or receives from the AMSs.
AAI (DL/UL) Rclay Zone: An integer multiple of subframes located in the MZone of the ABS framewhere an ABS transmits to the ARSs and/or AMSs or receives from the ARSs and AMSs, or the ARS framewhere an ARS transmits to the ABS or receives from the ABS.
AAI subframe: A structured data sequence of predefined duration used by the Advanced Air Interfacespecification.
advanced base station (ABS): A base station that supports the WirelessMAN-Advanced Air Interface
advanced mobile station (AMS): A subscriber station capable of performing the Wireless-MAN-OFDMATDD Release 1 subset of mobile station (MS) features and functions and of implementing theWirelessMAN-Advanced Air Interface.
advanced network: An access network compliant with the WirelessMAN-Advanced Air Interface System
advanced relay station (ARS): A relay station that supports the WirelessMAN-Advanced Air Interface
ARS receive/transmit transition gap (ARSRTG): The minimum receive-to-transmit turnaround gaprequired at an ARS. ARS-RTG is measured from the time of the last sample of the received burst to the firstsample of the transmitted burst at the antenna port of the ARS.
ARS transmit/receive transition gap (ARSTTG): The minimum transmit-to-receive turnaround gaprequired at an ARS.ARS-TTG is measured from the time of the last sample of the transmitted burst to thefirst sample of the received burst at the antenna port of the ARS.
closed subscriber group (CSG): A set of subscribers authorized by the Femt ABS owner or the networservice provider, for accessing CSG Femto ABS
contiguous resource unit (CRU): The resource allocation unit of the same size as the PRU that hasundergone the subband partitioning and miniband perutation, assigned to contiguous allocation and willbypass subcarrier permutation in DL and tile permutation in UL.
CSG Femto ABS: CSG-Closed or CSG-Open Femto ABS
CSG-Closed Femto ABS: A Femto ABS accessible only to the AMSs, which are in its CSG(s), except foremergency services. AMSs that are not the members of the CSG(s) should not try to access CSG-ClosedFemto ABSs.
CSG-Open Femto ABS: A Femto ABS primarily accessible to the AMSs that belong to its CSG(s), whileother AMSs, outside CSG(s), may also access such Femto ABS, and will be served at a lower priority. CSG-Open Femto ABS will provide service to such AMSs as long as the QoS of AMSs in its CSG(s) is notcompromised.