Attachment ex parte

This document pretains to SAT-AMD-20031118-00332 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2003111800332_415597

Mobile Satellite Ventures   LP
                                                      ORIGINAL
                                                                                                     n




                                               January 7,2005              mElv&D
      Via Hand Delivery
      Ms. Marlene H. Dortch, Secretary
                                                                            JAN   - 7 2005
      Federal Communications Commission
      445 12th Street, S.W.
      Washington, D.C. 20554

              Re:    Mobile Satellite Ventures Subsidiary LLC
                     Ex Parte Presentation
                     IB Docket No. 01-185
                     File No. SAT-MOD-20031 118-00333 (ATC application)
                     File No. SAT-AMD-20031118-00332 (ATC application)
                     File No. SES-MOD-20031118-01879 (ATC application)

      Dear Ms. Dortch

              Mobile Satellite Ventures L.P. ("MSV") hereby files the attached Affidavit from LCC
      International Inc., a recognized leader in wireless network design, explaining how MSV will
      always be able to determine the number of base stations and the on-the-air traffic operating on its
      licensed frequencies both within and outside of the United States at any given time. This
      Affidavit demonstrates that the Commission can allow MSV to use over 50% of its authorized
      system-wide co-channel reuse in the United States while ensuring that MSV does not exceed a
      system-wide co-channel reuse allowance.'

              Please direct any questions regarding this matter to the undersigned.


                                            Very truly yours,




                                                                               No. of Co ies rec'd
                                                                               Lid ABCIYE




       '
       See MSV, Petition for Partial Reconsideration and Clarification, IB Docket No. 01-185 (July 7,
      2003), at 6; Application of Mobile Satellite Ventures Subsidiary LLC, File No. SAT-MOD-
      20031 118-00333, File No. SAT-AMD-2003 11 18-00332, File No. SES-MOD-20031118-01879
      (November 18,2003), at 12, 17.


Ms. Magalie Roman Salas
January 7,2005
Page 2


cc:   Donald Abelson
      Jim Ball
      William Bell
      Richard Engelman
      Chip Fleming
      Howard Griboff
      Karl Kensinger
      Paul Locke
      Kathym Medley
      Robert Nelson
      Sean O’More
      Roderick Porter
      Steve Spaeth
      David Strickland
      Cassandra Thomas
      Thomas Tycz
      John Janka, Counsel for Inmarsat


                              Affidavit of LCC International Inc. on the
                    Ability of MSV to tolo\* the Number of ATC Base Stations
                   Usine Its Licensed Frequencies Tliroughout Ita Coverage Area


I.         ’Illis affidavit will address how Mohile Satellite Ventures t.,P (“MSV”) will be able to

asccrtitin the number of Ancillary Terrestrial Component (“ATC”) base stations and periodic

determination of on-the-air traflic that use its licensed ficquencies throughout the United States

artd C:ilnada.



2.         We understand, bawd on information provided to us by MSV. that (a) AI’C presently is

only authorized in the Unitcul States and Caitada, (b) as in the United States, AIC: in C’anada

itiust he integrated under the control ofthe satcllitc operator, (c) MSV‘s hybrid satellitdA1’C:

iictwork will use the s a n e frequencies fi,r the siitellite and torrestrial components throughout the

l.ntied States anti Canada, (d) these are the irequcncics that MSV rind MSV Canada has

coordinated under the Mexico City Memorandurn oflinderstanding, ( e ) MSV’s satellite and

terrestrial infrastructure will he under the central control of a dynamic radio resource manager

that allocates and distributes frequcnciw between the tencxrial and satellite portions in real time,



3.         W e also understand, based on information provided to us by MSV. thdt there will also he

cl   system ot‘ switches that are networked togethcr and monitored at a central control p l h t (the

Network Operations Center ~NCX?’)), and the ATC will include mrtny switches, or Mohile

Switching Centers (“MSCs”), optimally distributed throughout the United States and Canada.

All of these disparate switches may bc networked together. The networking may include inter-

switch trunks that may be used litr intra-network infonnation transfer, call setup and handover


between different components of the syslcnr, frequency management, and rcal-time coordination

for silktying dynamic prioritization and preemption requirements.



4.      This entire distributed network of switches may be monitored and managed from a

central point o f control ..-. the NOC. At the NOC. MSV will be able to obtain the number of bast:

static)ns and periodic deterniination of on-the-air traffic using its licensed frequencies both within

and oulsitle ofthe linited States.



5,      Based on data conrpiletl in real time at the NOC', using this wnligiiration. MSV will be

able to provide the FCC' upon request with the (i) number o f b a x stations and periodic

detinninntion of on-the-ail- tlafEc using its licensed frequencies both withiii and outside ofthe

l!nitetl States and (ii) the precise locatioiis of those base stations.



                                         l,C(y IN'rERNA'lTIONAI,. INC'.



Document Created: 2005-01-21 12:01:25
Document Modified: 2005-01-21 12:01:25

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