Changes between Version 184 and Version 185 of WiMAXInteg


Ignore:
Timestamp:
05/07/10 14:01:18 (10 years ago)
Author:
hmussman@bbn.com
Comment:

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  • WiMAXInteg

    v184 v185  
    129129Tony Michel on 3/30:  Preparing plan to measure base station range and capacity at BBN Technologies site, starting with initial checkout.
    130130
     131Harry Mussman on 4/30:  WiMAX Forum document on [http://groups.geni.net/geni/attachment/wiki/WiMAXInteg/Mobile_WiMAX-_Part_1-Overview_and_Performance.pdf  WiMAX Forum:  "Mobile WiMAX – Part I: A Technical Overview and Performance Evaluation", March 2006] provides good information on range and capacity, including Dl and UL link budgets for a nominal case. [[BR]]
    131132=== 4.5 System Engineering Issues ===
    132133
    133134|| No ||  Issue  ||  Who  ||  Opened  ||  Resolved  || Resolution  ||  Note  ||
    134135|| 4.1  || "GENI Operator ID":  Each WiMAX deployment requires an Operator ID (OpID), a parameter used within the base station and each client.  Currently, Routgers WINLAB is using the Sprint/Clearwire ID, but this can only be temporary.  We need to apply for and receive a "GENI Operator ID".  ||  Agosain  ||  2/23/10  || 4/30/10  || From IEEE: [http://groups.geni.net/geni/attachment/wiki/WiMAXInteg/coverletter.pdf  company_id is: 4451DB16, represented as a conventional 6-digit hexadecimal integer.] [http://standards.ieee.org/regauth/oui/tutorials/  Tutorials to help implement the use of the I.D. assignment]  [http://standards.ieee.org/getieee802/download/802-2001.pdf  Basis for the IEEE 802-2001 tutorial] || Per Seskar, apply at [https://standards.ieee.org/regauth/BOPID/Broadband_OperatorID_Request_Form.html IEEE 802.16 site].  Fee is $1650.||
    135 || 4.2  ||   Range and capacity:  Need to be able to estimate the expected range and capacity of a completed installation, and how this varies with antenna height, to guide each campus in their planning.  Also, how this varies depending on the number of clients and their data rates. Then, need to verify at sites,||  Michel, Seskar, Rangarajan  ||  2/23/10  || -  || -  || On 3/16:  Expect standard range information from NEC in 2+ weeks.  Ott on 3/16:  Should consider planning tools seen at 3G trade shows, to estimate ranges. Michel on 3/10:  Preparing emasurement plan.  ||
     136|| 4.2  ||   Range and capacity:  Need to be able to estimate the expected range and capacity of a completed installation, and how this varies with antenna height, to guide each campus in their planning.  Also, how this varies depending on the number of clients and their data rates. Then, need to verify at sites,||  Michel, Seskar, Rangarajan, Mussman  ||  2/23/10  || -  || -  || On 3/16:  Expect standard range information from NEC in 2+ weeks.  Ott on 3/16:  Should consider planning tools seen at 3G trade shows, to estimate ranges. Michel on 3/10:  Preparing emasurement plan.  On 4/30:  See WImAX Forum Technical Overivew document.  ||
    136137|| 4.3  ||   GPS receiver:  NEC documentation shows a GPS receiver mounted along with the antenna, and connected to the NW INTFC on the IDU.  It provides precise timing signals to the base station.  ||  Seskar, Mussman ||  2/23/10  || 2/23/10  || Agreed to include in the kit, since total cost is likely to be less than $125, and it should be installed at the start.  || Next:  Need to engineer active antenna and cable for up to 100m;  see Kit Issues ||
    137138|| 4.4  ||   "GENI PKI Certificate":  If we want to do over-the-air provisioning to clients, we will require a PKI certifiacte signed by Verisign, that clients can verify (per Seskar).  ||  Michel, Agosain ||  2/23/10  || -  || -  || Need to decide how GENI would use this;  if worthwhile, then plan process to obtain one.  || 
     
    185186 University of North Texas (Prof Kamesh Namuduri on 3/16)  [[BR]]
    186187 Florida International University  [[BR]]
    187 
     188 UC San Diego  (Prof B. S. Manoj)
     189 Wayne State University  (Prof Hongwei Zhang)
     190 NC State  (Porf Rudra Dutta)
     191 
    188192Ray Raycaudhuir on 3/16:  Would prefer to get existing deployment underway, and then consider a 2nd round of kits beginning in 5+ mo.  [[BR]]
    189193New kits would be Profile C  [[BR]]
     
    192196=== 5.4  GENI WiMAX Licenses ===
    193197
    194 Each GENI WiMAX campus/site must have a valid FCC license to operate a WiMAX base station.  In some cases, a campus/site plans to use an existing "educational license" already held by their institution.  However, in most cases, the campus/site plans to apply for and use a new "experimental license" that, by and large, can be obtained just by requesting it from the FCC.  This process has been successful in 4 cases for 3 campuses/sites. See Section 8.2, "Obtain FCC License". [[BR]]
     198Each GENI WiMAX campus/site must have a valid FCC license to operate a WiMAX base station.  In some cases, a campus/site plans to use an existing "educational license" already held by their institution.  However, in most cases, the campus/site plans to apply for and use a new "experimental license" that, by and large, can be obtained just by requesting it from the FCC.  This process has been successful in 6 cases for 5 campuses/sites. See Section 8.2, "Obtain FCC License". [[BR]]
    195199
    196200However, in almost all situations, there is a potential overlap with the ongoing national Clearwire/Sprint WiMAX rollout.  (See the list of current and planned deployments below.)  This is true for several reasons. [[BR]]
     
    207211 3)  If a GENI WiMAX campus/site uses an "experimental license" that DOES overlap a license holder, they are OK UNTIL that license holder (i.e., Clearwire/Sprint) decides to start using that spectrum, and then they will have to shut down their WiMAX base station.  This is a significant concern in major metropolitan areas, per the deployment plans listed below.[[BR]]
    208212
    209 However, this could change.  An NSF effort is beginning to define a Wireless National-scale Test Bed (WiNTeB);  this could possibly affect the allocation of spectrum to national testbed uses. [[BR]]
     213However, this could change.  An NSF effort is beginning to define a [http://www.kennesaw.edu/ogc/WiNTeB.html Wireless National-scale Test Bed (WiNTeB)];  this could possibly affect the allocation of spectrum to national testbed uses. [[BR]]
    210214
    211215Another possible strategy has been identified by Tony Michel.  In at least three locations, (Boston, Sussex Cty, MA;  Brooklyn, Kings Ct, NY;  Manhattan, NY Cty, NY) he has identified a 5-MHz slice of specturm in the educational band with no assigned licenses.  [[BR]]
    212216
    213 BBN technologies has applied for and been granted an experimental license for the 5-MHz slice in Sussex Cty. [[BR]]
     217BBN technologies has applied for and been granted an experimental license for the 5-MHz slice in Sussex County. [[BR]]
    214218
    215219PIs at NYU Poly and Columbia are in the process of appplying for experimental licenses for the 5-MHz slices in their counties.[[BR]]