A survey on progress and standardization trends in wireless communications (Invited paper)

Journal of Communications

Volumn 4, Issue 7, 2009, Pages 509-520

  Miyake, Makoto ^a  

^a M TEC Company Limited   (Japan)

Author keywords

IMT Advanced; Innovation; Metcalfe's law; Standardization; System integration; Technology integration; Wireless systems

Indexed keywords

INFORMATION THEORY; SEMICONDUCTOR DEVICE MANUFACTURE; STANDARDIZATION; WIRELESS TELECOMMUNICATION SYSTEMS;

IMT-ADVANCED; METCALFE'S LAW; SYSTEM INTEGRATION; TECHNOLOGY INTEGRATION; WIRELESS SYSTEMS;

INNOVATION;

EID: 78651549842     PISSN: 17962021     EISSN: None     Source Type: Journal    
DOI: 10.4304/jcm.4.7.509-520     Document Type: Article

References (127)

1. 3GPP TS 23.228, "IP multimedia subsystem (IMS), Stage 2," V8.8.0, March 2009.
2. 3GPP TS 23.401, "General packet radio service (GPRS) enhancements for evolved universal terrestrial radio access network (E-UTRAN) access," V9.0.0, March 2009.
3. 3GPP TS 23.402, "Architecture enhancements for non- 3GPP accesses," V9.0.0, March. 2009.
4. 3GPP TS 25.212, "Multiplexing and channel coding (FDD)," V8.5.0, March 2009.
5. 3GPP TS 25.855, "High speed downlink packet access; Overall UTRAN description," V5.0.0, Sept. 2001.
6. 3GPP TS 25.213, "Spreading and modulation (FDD)," V8.4.0, Mar. 2009.
7. 3GPP TS 25.913, "Requirements for evolved UTRA (EUTRA) and evolved UTRAN (E-UTRAN)," V8.0.0, Dec. 2008.
8. 3GPP TS 26.071, "AMR speech codec; General description," V8.0.0, Dec. 2008.
9. 3GPP TS 36.300, "Evolved universal terrestrial radio access (E-UTRA) and evolved universal terrestrial radio access network (E-UTRAN); Overall description," V8.8.0, March 2009.
10. 3GPP TS 36.913, "Requirements for further advancements for evolved universal terrestrial radio access (EUTRA) (LTE-Advanced)," V8.0.1, March 2009.
11. Final Report of 3GPP TSG RAN WG1 #55, v1.0.0, Prague, Czech Republic, Nov. 2008.
12. Consultative Committee for Space Data Systems (CCSDS) 131.0-B-1, "TM Synchronization and Channel Coding," Blue Book, Issue 1, Sept. 2003.
13. ETSI EN 300 401, "Radio broadcasting systems; Digital Audio Broadcasting (DAB) to mobile, portable and fixed receivers," V1.1.4, June 2006.
14. ETSI EN 302 307, "Digital Video Broadcasting (DVB); Second generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications," V1.2.1, April 2009.
15. IEEE Std 802.11, "Part 11: Wireless LAN medium access control (MA) and physical layer (PHY) specifications," June 2007.
16. IEEE Std 802.15.4, "Part 15.4: Wireless medium access control (MAC) and physical layer (PHY) specifications for low-rate wireless personal area networks (WPANs)," Sept. 2006.
17. IEEE Std 802.16e.-2005 and IEEE Std 802.16.-2004/ Cor1-2005, "Part 16: Air interface for fixed and mobile broadband wireless access systems," Feb. 2006.
18. Intelsat Earth Station Standards (IESS) Document IESS- 307, "INTELSAT TDMA/DSI System Specifications," March, 1987.
19. Intelsat Earth Station Standards (IESS) Document IESS- 308, "Performance characteristics for intermediate data rate (IDR) digital carrier," Rev. 3, June 1997.
20. ITU-R Recommendation M. 1457, Detailed specifications of the radio interfaces of International Mobile Telecommunications- 2000(IMT-2000)," 2000.
21. ITU-R Recommendation M. 1645, "Framework and overall objectives of the future development of IMT-2000 and systems beyond IMT-2000," June, 2003.
22. ITU-R WP5D Document IMT-ADV/2-E, "Submission and evaluation process and consensus building," Rev. 1, Aug. 2008.
23. ITU-T Recommendation G. 711, "Pulse code modulation (PCM) of voice frequencies," Nov. 1988.
24. ITU-T Recommendation G. 763, "Digital circuit multiplication equipment using G.726 ADPCM and digital speech interpolation," Oct. 1998.
25. ITU-T Recommendation Q. 1701, "Framework for IMT- 2000 networks," March 1999.
26. ITU-T Recommendation Q. 1711, "Network functional model for IMT-2000," March 1999.
27. ITU-T Recommendation Y. 2001, "General Overview of NGN," Dec., 2004.
28. N. Abramson, "The ALOHA system: another alternative for computer communication," in Proc. AFIPS Joint Computer Conf., Houston, Texas, Nov. 1970, pp. 281-285.
29. F. Adachi and K. Ohno, "BER performance of QDPSK with postdetection diversity reception in mobile radio channels," IEEE Trans. Veh. Tech., vol. 40, no. 1, pp. 237-249, Feb. 1991.
30. F. Adachi, M. Sawahashi, and K. Okawa, "Tree-structured generation of orthogonal spreading codes with different lengths for forward link of DS-CDMA mobile radio," Electron. Lett., vol. 33, no. 1, pp. 27-28, Jan. 1997.
31. F. Adachi, M. Sawahashi, and H. Suda, "Wideband DSCDMA for next-generation mobile communications systems," IEEE Commun. Mag., vol. 36, no. 9, pp. 56-69, Sep. 1998.
32. Y. Akaiwa and Y. Nagata, "Highly efficient digital mobile communications with a linear modulation method," IEEE J. Sel. Areas Commun., vol. 5, no. 5, pp. 890-895, June 1987.
33. S. M. Alamouti, "A simple transmit diversity technique for wireless communications," IEEE J. Sel. Areas Commun., vol. 16, no. 8, pp. 1451-1458, Oct. 1998.
34. D. Astely, E. Dahlman, A. Furuskar, Y. Jading, M. Lindstrom, and S. Parkvalll, "LTE: The evolution of mobile broadband," IEEE Commun. Mag., vol. 47, no. 4, pp. 44-51, April 2009.
35. H. Atarashi, N. Maeda, S. Abeta, and M. Sawahashi, "Broadband packet wireless access based on VSFOFCDM and MC/DS-CDMA," in Proc. Int. Symp. Personal, Indoor and Mobile Radio Commun. (PIMRC'02), Lisbon, Portugal, Sept. 2002, pp. 992-996.
36. T. Berger and J. D. Gibson, "Lossy source coding," IEEE Trans. Inform. Theory, vol. 44, no. 6, pp. 2693-2723, Oct. 1998.
37. C Berrou, A Glavieux, and P Thitimajshima, "Near Shannon limit error-correcting coding and decoding: Turbo-codes," in Proc. Int. Conf. Commun. (ICC'93), Geneva, Switzerland, May 1993, pp. 1064-1070.
38. V. K. Bhargava, D. Haccoun, R. Matyas, and P. P. Nuspl, Digital Communications by Satellite: Modulation, Multiple Access and Coding. John Wiley & Sons, 1981.
39. E. Biglieri, J. Proakis, and S. Shamai, "Fading channels: information-theoretic and communications aspects," IEEE Trans. Inform Theory, vol. 44, no. 6, pp. 2619-2692, Oct. 1988.
40. G. Caire, G. Taricco, and E. Biglieri, "Bit-interleaved coded modulation," IEEE Trans. Inform. Theory, vol.44, no. 3, pp. 927-946, May 1998.
41. G. Caire and K. R. Kumar, "Information theoretic foundations of adaptive coded modulation," Proc. IEEE, vol. 95, no. 12, pp. 2274-2298, Dec. 2007.
42. A. R. Calderbank, "The art of signaling: fifty years of coding theory," IEEE Trans. Inform. Theory, vol. 44, no. 6, pp. 2561-2595, Oct. 1998.
43. R. W. Chang, "Synthesis of band-limited orthogonal signals for multichannel data transmission," Bell Syst. Tech. J., vol. 46, no. 12, pp. 1775-1796, Dec. 1966.
44. R. W. Chang and R. A. Gibby, "A theoretical study of performance of an orthogonal multiplexing data transmission scheme," IEEE Trans. Commun., vol. 16, no. 4, pp. 529-40, Aug. 1968.
45. J. D. Choi and W. E. Stark, "Performance of UWB communications with suboptimal receivers in multipath channels," IEEE J. Sel. Areas Commun., vol. 20, no. 9, pp. 1754-1766, Dec. 2002.
46. L. J. Cimini, Jr., "Analysis and simulation of a digital mobile channel using orthogonal frequency division multiplexing," IEEE Trans. Commun., vol. 33, no. 7, pp. 665-675, July 1985.
47. E. Dahlman, P. Beming, J. Knutsson, F. Ovesjo, M. Persson, and C. Roobol, "WCDMA - The radio interface for future mobile multimedia communications," IEEE Trans. Veh. Tech., vol. 47, no. 4, pp. 1105-1118, Nov. 1998.
48. J. Dicks, R. Colby, G. Forcina, and J. Phiel, Jr., "The INTELSAT TDMA/DSI System," IEEE J. Sel. Areas Commun., vol. 1, no. 1, pp. 165-173. Jan. 1983.
49. G. Dill, K. Hodson, C. Burwell, R. Edy, Y. Umeda, T. Fujino, H. Ito, and S. Tachikawa, "120-Mbit/s TDMA test bed," in Proc. 4th Int. Conf. on Digital Satellite Commun. (ICDSC'78), Montreal, Canada, Oct. 1978, pp. 23-25.
50. P. Elias, "Coding for noisy channels," in IRE Nat. Conv. Rec., vol. 3, pt. 4, pp. 37-46, 1955.
51. R. Esmailzadeh and M. Nakagawa, "Time division duplex method of transmission of direct sequence spread spectrum signals for power control implementation," IEICE Trans. on Commun., vol. E76-B, no. 8, pp. 1030-1038, Aug. 1993.
52. G. D. Forney, Jr., Concatenated Codes. MIT Press, Dec. 1966.
53. G. D. Forney, Jr., "Maximum-likelihood sequence estimation of digital sequences in the presence of inter-symbol interference," IEEE Trans. Inform. Theory, vol. 18, no. 3, pp. 363-378, May 1972.
54. G. D. Forney, Jr., "The Viterbi algorithm," Proc. IEEE, vol. 61, no. 3, pp. 268-278, March 1973.
55. G. D. Forney, Jr. and G. Ungerboeck, "Modulation and coding for linear Gaussian channels," IEEE Trans. Inform. Theory, vol. 44, no. 6, pp. 2384-2415, Oct. 1998.
56. G. J. Foschini, "Layered space-time architecture for wireless communication in a fading environment when using multi-element antennas," Bell Labs Tech. J., vol. 1, no. 2, pp. 41-59, Autumn 1996.
57. G. J. Foschini and M. J. Gans, "On limits of wireless communications in a fading environment when using multiple antennas," Wireless Personal Communications, vol. 6, no. 3, pp. 311-355, 1998.
58. T. Fujino, Y. Moritani, M. Miyake, K. Murakami, A. Shibuya, T. Kojima, A. Yamagishi, and H. Yoshida, "Development of a concatenated Reed-Solomon/Viterbi FEC combined modem and its field test via 14/11 GHz satellite," in Proc. Global Telecomm. Conf. (GLOBECOM'89), Dallas, Texas, Nov. 1989, pp. 30.1.1 -30.1.8.
59. R. Gallager, "Low-density parity-check codes," IRE Trans. Inform. Theory, vol 8, no. 1, pp. 21-28, Jan. 1962.
60. R. Gallager, Information Theory and Reliable Communications. John Wiley & Sons, 1968.
61. K. S. Gilhousen, I. M. Jacobs, R. Padovani, A. J. Viterbi, L. A. Weaver, Jr., and C. E. Wheatley, C.E., III, "On the capacity of a cellular CDMA system," IEEE Trans. Veh. Tech., vol. 40, no. 2, pp. 303-312, May 1991.
62. R. Gold, "Optimal binary sequences for spread spectrum multiplexing," IEEE Trans. Inform. Theory, vol. 13, no. 4, pp. 619-621, Oct. 1967.
63. J. Hagenauer, "Rate-compatible punctured convolutional codes (RCPC codes) and their applications," IEEE Trans. Commun., vol. 36, no. 4, pp. 389-400, April 1988.
64. S. Hara and R. Prasad, "Overview of multicarrier CDMA," IEEE Commun. Mag., vol. 35, no. 12, pp. 126- 133, Dec. 1997.
65. S. Hara and R. Prasad, "Design and performance of multicarrier CDMA system infrequency-selective Rayleigh fading channels," IEEE Trans. Veh. Tech., vol. 40, no. 2, pp. 855-884, Sept. 1999.
66. M. Hata, "Empirical formula for propagation loss in land mobile radio services," IEEE Trans. Veh. Tech., vol. 29, no. 3, pp. 317-325, Aug 1980.
67. S. Haykin, "Cognitive radio: brain-empowered wireless communications," IEEE J. Sel. Areas Commun., vol. 23, no. 2, pp. 201-220, Feb. 2005.
68. J. Heller and I. M. Jacobs, "Viterbi decoding for satellite and space communication," IEEE Trans. Commun., vol. 19, no. 5, pp. 835-848, Oct. 1971.
69. F. Ikegami, S. Yoshida, T. Takeuchi, and M. Umehira, "Propagation factors controlling mean field strength on urban street," IEEE Trans. Antennas Propagat., vol. AP-32, pp. 822-829, Aug. 1984.
70. H. Imai and S. Hirakawa, "A new multilevel coding method using error-correcting codes," IEEE Trans. Inform. Theory, vol. 23, no. 3, pp. 371-377, May 1977.
71. W. C. Jakes, Microwave Mobile Communications. Wiley-IEEE Press, 1993.
72. Y. Karasawa, "MIMO propagation channel modeling," Trans. IEICE Japan, vol. J86-B, no. 9, pp. 1706-1720, Sept. 2003.
73. T. Kasami, "Weight Distribution Formula for Some Class of Cyclic Codes," Coordinated Science Lab., Univ. Illinois, Urbana. Tech. Rep., R-285, Apr. 1966.
74. N. Kataoka, T. Kojima, M. Miyake, and T. Fujino, "Performance of soft decision digital matched filter in direct-sequence spread-spectrum communication systems," IEICE Trans. vol. E74, no. 5, pp. 1115-1122, May 1991.
75. T. Keller and L. Hanzo, "Prolog to adaptive multicarrier modulation: a convenient framework for time-frequency processing in wireless communications," Proc. IEEE, vol. 88, no. 5, pp. 609-610, May 2000.
76. L. Kleinrock and F. A. Tobagi, "Packet switching in radio channels: Part I - Carrier sense multiple-access modes and their throughput-delay characteristics," IEEE Trans. Commun., vol. 23, no. 12, pp. 1400-1416, Dec. 1975.
77. R. Kohno, R. Meidan, and L. B. Milstein, "Spread spectrum access methods for wireless communications," IEEE Commun. Mag., Vol. 33, no. 1, pp. 58-67, Jan. 1995.
78. T. Kojima, M. Miyake, and T. Fujino, "Differential detection scheme for DPSK using phase sequence estimation," Trans. IEICE Japan, vol. J76-B-II, no. 10, pp. 783-792, Oct. 1993.
79. T. Kojima, M. Miyake, T. Fujino, and N. Morinaga, "Metric weighted diversity combining based on multiple differential phase detection and its performance in mobile communication environments," Trans. IEICE Japan, vol. J81-B-II, no. 9, pp. 846-854, Sept. 1998.
80. T. Komine and M. Nakagawa, "Fundamental analysis for visible-light communication system using LED lights," IEEE Trans. Consumer Electronics, vol. 50, no. 1, pp. 100-107, Feb. 2004.
81. H. Kubo, K. Murakami, and T. Fujino, "Adaptive maximum- likelihood sequence estimation by means of combined equalization and decoding in fading environments," IEEE J. Selected Areas Commun., vol. 13, no. 1, pp. 102-109, Jan. 1995.
82. H. Meyr, M. Moeneclaey, and S. A. Fechtel, Digital Communication Receivers: Synchronization, Channel Estimation, and Signal Processing. John Wiley & Sons, 1998.
83. M. Miyake, T. Fujino, Y. Umeda, E. Yamazaki, and K. Fujiwara, "Performance of a coded 8PSK modem with a Viterbi decoder using simplified metric calculation," Trans. IEIE Japan, vol. J68-B, no. 10, pp. 1128-1136, Oct. 1985.
84. M. Miyake, T. Fujino, and K. Fujiwara, "Performance of a Viterbi decoder using simplified digital metric calculation," Trans. IEICE Japan, vol. 70-B, no. 6, pp. 673-681, June 1987.
85. M. Miyake, T. Fujino, K. Fujiwara, and M. Kasahara, "Performance of Viterbi decoders using compressed metrics," Trans. IEICE Japan, vol. J71-B, no. 4, pp. 555-562, Apr. 1988.
86. K. Miyashita, T. Nishimura, T. Ohgane, Y. Ogawa, Y. Takatori, and K. Cho, "High data-rate transmission with eigenbeam-space division multiplexing (E-SDM) in a MIMO channel," in Proc. Veh. Tech. Conf. (VTC) Fall 2002, Vancouver, Canada, Sept. 2002, pp. 1302-1306.
87. A. F. Molisch, J. Zhang, and M. Miyake, "Time hopping versus frequency hopping in ultrawideband systems," in Proc. 2003 Pacific Rim Conf. Communications., Computers and Signal Processing (PACRIM'03), Victoria, Canada, Aug. 2003, pp. 1000-1003.
88. A. F. Molisch, Y. G. Li, Y.-P. Nakache, P. Orlik, M. Miyake, Y. Wu, S. Gezici, H. Sheng, S. Y. Kung, H. Kobayashi, H. V. Poor, A. Haimovich, and J. Zhang, "A low-cost time-hopping impulse radio system for high data rate transmission.," EURASIP Journal on Applied Signal Processing (Special Issue on UWB), pp. 1-17, March 2005.
89. A. F. Molisch, M. Z. Win, C. Yang-Seok, and J. H. Winters, "Capacity of MIMO systems with antenna selection," IEEE Trans. Wireless Commun., vol. 4, no. 4, pp. 1759-1772, July 2005.
90. T. Muratani, H. Saitoh, K. Roga, T. Mizuno, Y. Yasuda, and J. S. Snyder, "Application of FEC coding to the INTELSAT TDMA system," in Proc. 4th Int. Conf. on Digital Satellite Commun. (ICDSC'78), Montreal, Canada, Oct. 1978, pp. 108-115.
91. K. Murota and K. Hirade, "GMSK modulation for digital radio telephony," IEEE Trans. Commun, vol. 29, no. 7, pp. 1044-1050, July 1981.
92. M. Nakagami, K. Tanaka, and M. Kaneku, "The m-distribution as the general formula of intensity distribution of rapid fading," Memoirs of the Faculty of Engineering, Kobe University, vol. 4, pp. 78-125, March 1975.
93. A. J. Paulraj, D. A. Gore, R. U. Nabar, and H. Bolcskei, "An overview of MIMO communications - A key to gigabit wireless," Proc. IEEE, vol. 92, no. 2, pp. 198-218, Feb. 2004.
94. J. G. Proakis, "Probabilities of error for adaptive reception of M-phase signals," IEEE Trans. Commun., vol. 16, no. 1, pp. 71-81, Feb. 1968.
95. R. L. Pickholtz, L. B. Milstein, and D. L. Schilling, "Spread spectrum for mobile communications," IEEE Trans. Veh. Tech., vol. 40, no. 2, pp. 855-884, May 1982.
96. S. U. H. Qureshi, "Adaptive equalization," Proc. IEEE, vol. 73, no. 9, pp. 1349-1387, Sept. 1985.
97. A. H. Reeves, "Systeme des signalisations electriques," French Patent, No. 852,183, Oct., 1938.
98. S. O. Rice, "Statistical properties of a sine wave plus random noise," Bell Syst. Tech. J., vol. 27, pp. 109-157, Jan. 1947.
99. S. Sampei, S. Komaki, and N. Morinaga, "Adaptive modulation/TDMA scheme for large capacity personal multi-media communication systems," IEICE Trans. Commun., vol. E77-B, no. 9, pp. 1096-1103, Sept. 1994.
100. D. V. Sarwate and M. B. Pursley, "Crosscorrelation properties of pseudorandom and related sequences," Proc. IEEE, vol. 68, no. 5, pp. 593-619, May 1980.
101. I. Sasase and S. Mori, "Multi-h phase-coded modulation," IEEE Commun., Mag., vol. 29, no. 12, pp. 46-56, Dec. 1991.
102. R. A. Scholtz, "Multiple access with time-hopping impulse modulation," in Proc. MILCOM '93, Boston, Oct. 1993, pp. 447-450.
103. C. E. Shannon, "A mathematical theory of communication," Bell Syst. Tech. J., vol. 27, pp. 379-423, July; pp. 623-656, Oct. 1948.
104. M. K. Simon, J. K. Omura, R. A. Scholtz, and B. K. Levitt, Spread Spectrum Communications, Vol. I - III. Computer Scienece Press, 1985.
105. E. A. Sourour and M. Nakagawa, "Performance of orthogonal multicarrier CDMA in a multipath fading channel," IEEE Trans. Commun., vol. 44, no. 3, pp. 356-367, March 1996.
106. G. L. Stuber, J. R. Barry, S. W. McLaughlin, Y. Li, M. A. Ingram, and T. G. Pratt, "Broadband MIMO-OFDM wireless communications," Proc. IEEE, vol. 92, no. 2, pp. 271-294, Feb. 2004.
107. H. Suzuki, "A statistical model for urban radio propagation," IEEE Trans. Commun., vol. 25, no. 7, pp. 673-680, July 1977.
108. V. Tarokh, N. Seshadri, and A. R. Calderbank, "Spacetime codes for high data rate wireless communication: performance criterion and code construction," IEEE Trans. Inform. Theory, vol. 44, no. 2, pp. 744-765, March 1998.
109. I. E. Telatar, "Capacity of multi-antenna Gaussian channels," Bell Laboratories, Tech. Memorandum, Oct. 1995.
110. I. E. Telator, European Trans. Telecommun., vol. 10, no. 6, pp. 585-595, Nov./Dec. 1999.
111. A. Toskala, H. Holma, K. Pajukoski, and E. Tiirola, "UTRAN long term evolution in 3GPP," in Proc. Int. Symp. Personal, Indoor and Mobile Radio Commun. (PIMRC'06), Helsinki, Finland, Sept. 2006, pp. 1-5.
112. G. Ungerboeck, "Channel coding with multilevel/phase signals," IEEE Trans. Inform. Theory, vol. 28, no. 1, pp. 55-67, Jan. 1982.
113. A. J. Viterbi, "Error bounds for convolutional codes and an asymptotically optimum decoding algorithm," IEEE Trans. Inform. Theory, vol. 13, no. 2, pp. 260-269, April 1967.
114. A. J. Viterbi and J. K. Omura, Principles of Digital Communication and Coding. McGraw-Hill, 1979.
115. A. J. Viterbi, "Very low rate convolutional codes for maximum theoretical performance of spread-spectrum multiple- access channels," IEEE J. Sel. Areas Commun., vol. 8, no. 4, pp. 641-649, May 1990.
116. S. Verdu, Multiuser Detection. Cambridge University Press, 1998.
117. S. B. Weinstein and P. M. Ebert, "Data transmission by frequency-division multiplexing using the discrete Fourier transform," IEEE Trans. Commun., vol. 19, no. 5, pp. 628-634, Oct. 1971.
118. A. Wittneben, "A new bandwidth-efficient transmit antenna modulation diversity scheme for linear digital modulation," in Proc. Int. Conf. Commun. (ICC'93), vol. 3, Geneva, Switzerland, May 1993, pp. 1630-1634.
119. M. Z. Win and R. A. Scholtz, "Impulse radio: how it works," IEEE Commun. Letters, vol. 2, no. 2, pp. 36-38, Feb. 1998.
120. J. H. Winters, "On the capacity of radio communication systems with diversity in a Rayleigh fading environment," IEEE J. Sel. Areas Commun., vol. 5, no. 5, pp. 871-878, June 1987.
121. Y Yamao, T Otsu, A Fujiwara, H Murata, and S. Yoshida, "Multi-hop radio access cellular concept for fourth-generation mobile communications system," in Proc. Int. Symp. Personal, Indoor and Mobile Radio Commun. (PIMRC'02), Lisbon, Portugal, Sept. 2002, pp. 59-63.
122. Y. Yasuda, Y. Hirata, and A. Ogawa, "Bit error rate performance of soft decision Viterbi decoding," Trans. IEICE Japan., vol. E64-E, no.11 pp.700-707, Nov. 1981.
123. Y. Yasuda, K. Kashiki, and Y. Hirata, "High-rate punctured convolutional codes for soft decision Viterbi decoding," IEEE Trans. Commun., vol. 32, no. 3, pp. 315-319, March 1984.
124. M. Yokoyama, H. Sasaoka, S. Yoshimoto, K. Sasaki, and M. Shiojima, "Development of the multiplexed-SSRA equipment and experimental results," in Proc. National Telecommun. Conf. (NTC'79), Washington, Nov. 1979, pp. 15.5.1-15.5.5.
125. C. M. Christensen, The Innovator's Dilemma: the revolutionary book that will change the way you do business. HarperCollins, 2003.
126. P. F. Drucker, Management in the Next Society. Butterworth-Heinemann, 2002.
127. D. C. Moschella, Waves of Power: The Dynamics of Global Technology Leadership, 1964-2010. AMACOM, 1997.