Page 88 - ITUJournal Future and evolving technologies Volume 2 (2021), Issue 1
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ITU Journal on Future and Evolving Technologies, Volume 2 (2021), Issue 1




          –    Bio-geotechnical  limits.  According  to  the   resolution to the problem of a shortage of resources,
               “1 per cent” law, an artificial change of 1 per  taking into account externalities, through planning
               cent in the energy of a natural system as a rule  and  redistribution.  From  the  analysis  of  the
               causes  it  to  depart  from  a  Chatelier's    technological   process,   of   interdependencies
               equilibrium  [16].  In  other  words,  our  biota  between  industry  sectors  and  of  the  economic
               cannot compensate the volume of artificially    impacts of spectrum usage, the inter-sector input-
               generated energy that exceed 1 per cent of its  output  matrix  for  spectrum  can  be  used  as  the
               natural  level.  Experience  of  using  other   economic model for assessing spectrum efficiency.
               natural resources suggests that violating that  The proposed matrix for spectrum use is presented
               rule may lead to catastrophic change in the     in Table 2.
               natural environment, such as global warming.    Explanation of the values used in Table 2:
               A  part  of  solar  energy  transforms  into  a
               natural  electromagnetic  field  of  the  Earth  n —   number  of  users  (i.e.  industry  sectors)  or
               forming  a  1 per  cent  limit.  An  aggregate        radio services using the spectrum (see Table
               assessment  of  man-made  emissions  is               1 for example);
               required when the strategy of spectrum use is   k —   spectrum allocation scenario;
               defined to avoid transgressing this threshold.  snk — aggregate  spectrum  allocation  for  the  n-th
          4.   INPUT-OUTPUT ANALYSIS FOR                             user (radio service) in the k-th scenario. Here
               SPECTRUM MANAGEMENT                                   it must be understood that account needs to
                                                                     be taken not only of the bandwidth directly
          A  definition  of  limits  is  just  the  first  step  of  any   accessible  for  the  user,  but  also  of  other
          economic    analysis   of   efficient   resource           technical  conditions  and  restrictions  on  its
          management.  Regulators  should  establish  an             utilization  stemming  from  shared  use.  In
          accurate economic model, enabling them to find an          some  cases,  analysis  of  this  component  is
          optimum scenario of development under conditions           simplified thanks to the decisions on global or
          of  resource  scarcity  and  negative  externalities.      regional  spectrum  harmonization  for  a
          Nobel  laureate  W.  Leontief  pointed  out  that  “the    specific standard;
          essence  of  input-output  analysis  in  study  of  the
          resources problem consists in constructing several   Sk —  aggregate  spectrum  allocations  in  the  k-th
          alternative scenarios with different combinations of       scenario. Analysis of this value is complicated
          input-output  vectors  describing  the  technological      by  the  possibility  of  shared  use  of  the

          structure  of  the  different  methods  of  production     spectrum, i.e. Sk ≠Σsnk;
          and  usage”.  The  input-output  matrix  enables  a

                                          Table 2 – Input-output matrix for spectrum use

                                 Main spectrum users               Economic impact
                                                      Aggregate   bandwidth for   k-th scenario  Output for end user   Inter-industry   Overall impact    for k-th scenario   Overall cost for   k-th scenario


                                 1     2    …   n            for k-th scenario   output for k-th
                                                                                scenario

                           1     s11   s12   ...   sn1   S1        yint1          yext1       Y1      W1
                   Spectrum   allocation   scenarios   2   s21   s22   …   sn2   S2  yint2   yext2   Y2  W2
                                            ...
                                                …
                                       …
                                 …
                                                                   …
                                                                                              …
                                                                                   …
                                                       …
                           …
                                                                                                       …
                           k     sn1   s2   …   snk    Sk          yintk          yextk       Yk      Wk
              Revenue            p1    p2   …   pn
              Capital costs     cap1   cap2   …  capn
              Operating costs    op1   op2   …   opn
              Transaction costs   tc1   tc2     tcn
              Externalities costs   ec1   ec2   ecn
              Spectrum user costs   w1   w2   …   wn



          72                                 © International Telecommunication Union, 2021
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