CONTENTS

 

Policy on Intellectual Property Right (IPR)     ii
 1     Introduction and scope  1
 2     Interference scenarios to be analysed  1
 3     Modelling of inter-system interference: ACLR, ACS and ACIR   2
 4     Basic system characteristics  3
        4.1     OFDMA-TDD-WMAN   3
        4.2     CDMA-DS  5
        4.3     ACIR values for coexistence analysis between OFDMA-TDD-WMAN and CDMA-DS     7
 5     Deterministic analyses of interference  8
        5.1     Evaluation methodology  8
        5.2     Input parameters and assumptions  8
        5.3     Protection criteria  9
        5.4     Results  9
                  5.4.1     Interference between base stations  9
        5.5     Summary of deterministic analysis  15
 6     Statistical analysis  15
        6.1     Evaluation methodology and simulation procedure  15
        6.2     Input parameters and assumptions  16
                  6.2.1     Network deployment 16
                  6.2.2     Frequency reuse  17
                  6.2.3     Propagation models  18
                  6.2.4     Directional antenna pattern  18
                  6.2.5     SINR modelling  19
                  6.2.6     CDMA-DS processing gain, SINR, and Eb/N0 20
                  6.2.8     CDMA-DS performance evaluation criteria  21
                  6.2.9     OFDMA-TDD-WMAN performance evaluation criteria  23
        6.3     Interference scenarios  24
                  6.3.1     CDMA-DS UL interfered by OFDMA-TDD-WMAN   24
                  6.3.2     OFDMA-TDD-WMAN interfered by CDMA-DS UL  25
                  6.3.3     CDMA-DS DL interfered by OFDMA-TDD-WMAN   25
                  6.3.4     OFDMA-TDD-WMAN interfered by CDMA-DS DL  25
        6.4     Results of statistical analysis  25
                  6.4.1     CDMA-DS coexistence with OFDMA-TDD-WMAN with no guardband  26
        6.5     Summary of static simulations of CDMA-DS coexistence with OFDMA-TDD-WMAN     32
 7     Mitigation techniques and their impact 32
        7.1     Deterministic analysis of interference between base stations with mitigation techniques     32
        7.2     Statistical studies using channel filters for CDMA-DS and OFDMA-TDD-WMAN   35
                  7.2.1     CDMA-DS coexistence with OFDMA-TDD-WMAN with 2 MHz guardband  35
                  7.2.2     CDMA-DS coexistence with OFDMA-TDD-WMAN with a 5 MHz guardband     36
 8     Conclusions  38
        8.1     Scope and limitations  38
        8.2     Basic results of coexistence study  38
                  8.2.1     Base station to base station: General observations  38
                  8.2.2      Interference between CDMA DS and OFDMA TDD WMAN base stations in proximity     38
                  8.2.3     Base station-base station co-location  40
                  8.2.4      CDMA DS base station to OFDMA TDD WMAN mobile station and CDMA DS mobile station to OFDMA TDD WMAN base station interference results     40
                  8.2.5     CDMA DS mobile station – OFDMA TDD WMAN mobile station interference results     41
        8.3     Methods for decreasing base station-base station interference  41
 9     References  42
10     Glossary and abbreviations  42
11     List of annexes  43
Annex 1  Propagation models     44
 1     Base station-to-mobile station propagation model 44
        1.1     Deterministic analysis  44
 2     Base station-to-base station propagation models  45
        2.1     Deterministic analysis  45
        2.2     Statistical analysis  46
 3     Mobile station-to-mobile station propagation models  47
        3.1     Deterministic analysis  47
        3.2     Statistical analysis  47
        3.3     Propagation between terminals located below rooftop height at UHF  47
 4     References  49
Annex 2  Interference analysis between base stations     50
 1     Interference analysis between base stations in a CDMA-DS macrocellular and OFDMA-TDD-WMAN macrocellular deployment     50
 2     Interference analysis between base stations in a CDMA-DS microcellular and OFDMA-TDD-WMAN macrocellular deployment     52
 3     Interference analysis between base stations in a CDMA-DS picocellular and OFDMA‑TDD-WMAN macrocellular deployment     55
 4     Interference analysis between base stations in a CDMA-DS macrocellular and 10 MHz OFDMA-TDD-WMAN macrocellular deployment     57
 5     Interference analysis between base stations in a CDMA-DS microcellular and 10 MHz OFDMA-TDD-WMAN macrocellular deployment     58
 6     Interference analysis between base stations in a CDMA-DS picocellular and a 10 MHz OFDMA-TDD-WMAN macrocellular deployment     59
 7     References  60
Annex 3  Interference analysis between base stations and mobile stations     61
 1     Interference analysis between base stations and mobile stations in a CDMA-DS macrocellular and OFDMA-TDD-WMAN macrocellular deployment     61
 2     Interference analysis between base stations and mobile stations in a CDMA-DS microcellular and 5 MHz OFDMA-TDD-WMAN macrocellular deployment     62
 3     Interference analysis between base stations and mobile stations in a CDMA-DS picocellular and OFDMA-TDD-WMAN macrocellular deployment     64
 4     Interference analysis between base stations and mobile stations in a CDMA-DS and a 10 MHz OFDMA-TDD-WMAN deployment     64
Annex 4  Interference analysis between mobile stations     66
Annex 5  Mitigation techniques     67
 1     Additional filtering  67
 2     Site design  68
 3     References  70
Annex 6  Mitigation with a filter achieving 60 dB rejection in the adjacent channel     70
 1     Deterministic analysis incorporating the 60 dB channel filter 71
 2     Statistical studies using 60 dB channel filters for CDMA-DS and OFDMA-TDD-WMAN   72
        2.1     CDMA-DS coexistence with OFDMA-TDD-WMAN with no guardband  72
        2.2     CDMA-DS coexistence with OFDMA-TDD-WMAN with one guardband (5 MHz) 74