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  • H04B7/00
    		•  Radio transmission systems, i.e. using radiation field (H04B 10/00, H04B 15/00 take precedence) [2006.01] HB CC 5K046
  • H04B7/005
    		•  .Control of transmission; Equalising [2006.01] HB CC 5K046
  • H04B7/01
    		•  .Reducing phase shift [2006.01] HB CC 5K046
  • H04B7/015
    		•  .Reducing echo effects [2006.01] HB CC 5K046
  • H04B7/02
    		•  .Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas (RAKE receivers H04B1/7115) [2018.01] HB CC 5K159
  • H04B7/022
    		•  ..Site diversity; Macro-diversity (using two or more spaced independent antennas H04B7/04) [2017.01] HB CC 5K159
  • H04B7/024
    		•  ...Co-operative use of antennas at several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems [2017.01] HB CC 5K159
  • H04B7/026
    		•  ...Co-operative diversity, e.g. using fixed or mobile stations as relays [2017.01] HB CC 5K159
  • H04B7/04
    		•  ..using a plurality of spaced independent aerials [2017.01] HB CC 5K159
  • H04B7/0404
    		•  ...the mobile station comprising multiple antennas, e.g. to provide uplink diversity [2017.01] HB CC 5K159
  • H04B7/0408
    		•  ...using two or more beams, i.e. beam diversity [2017.01] HB CC 5K159
  • H04B7/0413
    		•  ...MIMO systems [2017.01] HB CC 5K159
  • H04B7/0413,100
    		•  ....Uplink MIMO HB CC 5K159
  • H04B7/0413,200
    		•  ....Signal detection systems HB CC 5K159
  • H04B7/0413,210
    		•  .....Linear decoding, e.g. Zero Forcing (ZF) or Minimum Mean Squared Error (MMSE) HB CC 5K159
  • H04B7/0413,220
    		•  .....Sequential decoding, e.g. Vertical Bell Layered Space-Time (V-BLAST) HB CC 5K159
  • H04B7/0413,230
    		•  .....Maximum likelihood decoding, e.g. Maximum Likelihood Decoder (MLD) HB CC 5K159
  • H04B7/0413,232
    		•  ......Maximum likelihood decoding selecting a signal constellation in a certain region to reduce calculation amounts, e.g. Sphere Decoding HB CC 5K159
  • H04B7/0413,234
    		•  ......Maximum likelihood decoding selecting a signal constellation by steps to reduce calculation amounts, e.g. QRM-MLD HB CC 5K159
  • H04B7/0413,300
    		•  ....characterised by antenna structure or arrangement HB CC 5K159
  • H04B7/0413,310
    		•  .....using horizontal and vertical beams, e.g. 3D-MIMO HB CC 5K159
  • H04B7/0413,320
    		•  .....characterised by polarized waves HB CC 5K159
  • H04B7/0413,400
    		•  ....control in consideration of Line-of-Sight (LoS) communication HB CC 5K159
  • H04B7/0417
    		•  ....Feedback systems [2017.01] HB CC 5K159
  • H04B7/0417,100
    		•  .....changing feedback amounts HB CC 5K159
  • H04B7/0417,110
    		•  ......Differential feedback HB CC 5K159
  • H04B7/0417,120
    		•  ......variable feedback rate, e.g. feedbacks of short term and long term HB CC 5K159
  • H04B7/0417,130
    		•  ......feedback by integration of multiple pieces of information, e.g. feedback of representative values of multiple subcarriers, e.g. joint coding of PMI and CQI HB CC 5K159
  • H04B7/0426
    		•  ....Power distribution [2017.01] HB CC 5K159
  • H04B7/0426,100
    		•  .....Power allocation to each antenna HB CC 5K159
  • H04B7/0426,200
    		•  .....Power allocation to each beam HB CC 5K159
  • H04B7/0452
    		•  ....Multi-user MIMO systems [2017.01] HB CC 5K159
  • H04B7/0452,100
    		•  .....allocating resources, scheduling HB CC 5K159
  • H04B7/0452,110
    		•  ......determining user groups HB CC 5K159
  • H04B7/0456
    		•  ....Selection of precoding matrices or codebooks, e.g. using weighting matrices for antennas [2017.01] HB CC 5K159
  • H04B7/0456,100
    		•  .....Precoding systems HB CC 5K159
  • H04B7/0456,110
    		•  ......Linear precoding HB CC 5K159
  • H04B7/0456,120
    		•  .......Eigen modes HB CC 5K159
  • H04B7/0456,130
    		•  ......Non-linear precoding HB CC 5K159
  • H04B7/0456,300
    		•  .....characterised by codebooks, e.g. selection from multiple codebooks HB CC 5K159
  • H04B7/0456,400
    		•  .....arranging predefined precoding matrices or codebooks HB CC 5K159
  • H04B7/0491
    		•  ...using two or more sectors, i.e. sector diversity [2017.01] HB CC 5K159
  • H04B7/0495
    		•  ....using overlapping sectors in the same base station to implement MIMO antennas [2017.01] HB CC 5K159
  • H04B7/06
    		•  ...at transmitting station [2006.01] HB CC 5K159
  • H04B7/06,020
    		•  ....using antenna switching HB CC 5K159
  • H04B7/06,040
    		•  .....with predefined switching modes, determined only on the transmitter side HB CC 5K159
  • H04B7/06,042
    		•  ......selecting transmit antennas based on the selection of the antennas at the receiver side HB CC 5K159
  • H04B7/06,100
    		•  .....using feedback from the receiver side HB CC 5K159
  • H04B7/06,102
    		•  .....using referential signals from the receiver side HB CC 5K159
  • H04B7/06,130
    		•  ....using simultaneous transmission HB CC 5K159
  • H04B7/06,150
    		•  .....transmitting multiple weighed versions to the same signal HB CC 5K159
  • H04B7/06,152
    		•  ......beamforming characterised by interference reduction, null steering HB CC 5K159
  • H04B7/06,670
    		•  .....transmitting multiple versions different in delay to the same signal, e.g. time diversity, e.g. cyclic delay diversity HB CC 5K159
  • H04B7/06,780
    		•  .....using spreading codes which are different among antennas HB CC 5K159
  • H04B7/06,820
    		•  .....using phase diversity HB CC 5K159
  • H04B7/06,860
    		•  ....Control of transmitter, method of transmission or transmission parameters HB CC 5K159
  • H04B7/06,890
    		•  .....switching different transmission modes, e.g. switching spacial multiplex mode and diversity mode HB CC 5K159
  • H04B7/06,910
    		•  .....grouping and controlling antennas or beams HB CC 5K159
  • H04B7/06,950
    		•  .....using beam switching or beam selection HB CC 5K159
  • H04B7/06,952
    		•  ......having predefined switchingmodes, determined on a transmitter side HB CC 5K159
  • H04B7/06,954
    		•  .......selecting beams at the transmitter side, based on the selection of beams at the receiver side HB CC 5K159
  • H04B7/06,956
    		•  ......using feedback from the receiver side HB CC 5K159
  • H04B7/06,958
    		•  ......using reference signals from the receiver side HB CC 5K159
  • H04B7/06,960
    		•  ......Optimization of the beam selection, e.g. selection by stepwise changes in beam width HB CC 5K159
  • H04B7/06,980
    		•  .....Control of transmitter, method of transmission or transmission parameters HB CC 5K159
  • H04B7/06,982
    		•  ......Calibration HB CC 5K159
  • H04B7/06,984
    		•  ......characterised by reference signals HB CC 5K159
  • H04B7/06,986
    		•  .......using antenna-specific training sequences HB CC 5K159
  • H04B7/08
    		•  ...at receiving station [2006.01] HB CC 5K159
  • H04B7/08,020
    		•  ....using antenna switching or antenna selection HB CC 5K159
  • H04B7/08,022
    		•  .....determined at the receiver side HB CC 5K159
  • H04B7/08,024
    		•  .....following orders of the transmitter side HB CC 5K159
  • H04B7/08,050
    		•  .....Switching diversity HB CC 5K159
  • H04B7/08,052
    		•  ......Processing methods HB CC 5K159
  • H04B7/08,052@A
    		•  switching in the baseband HB CC 5K159
  • H04B7/08,052@B
    		•  switching in the IF band HB CC 5K159
  • H04B7/08,052@C
    		•  switching in the RF band HB CC 5K159
  • H04B7/08,052@Z
    		•  Others HB CC 5K159
  • H04B7/08,370
    		•  ....using combining e.g. combining diversity HB CC 5K159
  • H04B7/08,372
    		•  .....Processing methods HB CC 5K159
  • H04B7/08,372@A
    		•  combining in the baseband HB CC 5K159
  • H04B7/08,372@B
    		•  combining in the IF band HB CC 5K159
  • H04B7/08,372@C
    		•  combining in the RF band HB CC 5K159
  • H04B7/08,372@Z
    		•  Others HB CC 5K159
  • H04B7/08,420
    		•  .....weighting and combining HB CC 5K159
  • H04B7/08,422
    		•  ......by adaptive array algorithm HB CC 5K159
  • H04B7/08,450
    		•  ......Equalization of each branch HB CC 5K159
  • H04B7/08,480
    		•  ......Joint weighting, e.g. maximum ratio combination HB CC 5K159
  • H04B7/08,600
    		•  ......weighting depending on external parameters, e.g. using Direction of Arrival "DoA", predetermined weight or beam forming HB CC 5K159
  • H04B7/08,620
    		•  ......Receiver calculating weighting based on information from the transmitter HB CC 5K159
  • H04B7/08,680
    		•  ....Control of receiver, method of receiving or receiving parameters HB CC 5K159
  • H04B7/08,710
    		•  .....switching different methods of receiving e.g. switching diversity and combining diversity HB CC 5K159
  • H04B7/08,740
    		•  .....grouping and controlling antennas or beams HB CC 5K159
  • H04B7/08,800
    		•  .....using beam switching or beam selection HB CC 5K159
  • H04B7/08,802
    		•  ......determined at the receiver side HB CC 5K159
  • H04B7/08,804
    		•  ......following orders of the transmitter side HB CC 5K159
  • H04B7/08,810
    		•  ......Optimization of the beam selection, e.g. selection by stepwise changes in beam width HB CC 5K159
  • H04B7/08,980
    		•  ....Adjusting receiver, method of receiving or receiving parameters HB CC 5K159
  • H04B7/08,982
    		•  .....Calibration HB CC 5K159
  • H04B7/10
    		•  ..Polarisation diversity, direction diversity [2006.01] HB CC 5K159
  • H04B7/10@A
    		•  Direction diversity HB CC 5K159
  • H04B7/10@B
    		•  Polarisation diversity HB CC 5K159
  • H04B7/10@Z
    		•  Others HB CC 5K159
  • H04B7/12
    		•  ..Frequency-diversity systems [2006.01] HB CC 5K159
  • H04B7/14
    		•  .Relay systems [2006.01] HB CC 5K072
  • H04B7/145
    		•  ..Passive relay systems [2006.01] HB CC 5K072
  • H04B7/15
    		•  ..Active relay systems [2006.01] HB CC 5K072
  • H04B7/155
    		•  ...Ground-based stations [2006.01] HB CC 5K072
  • H04B7/165
    		•  ....employing angle modulation [2006.01] HB CC 5K072
  • H04B7/17
    		•  ....employing pulse modulation, e.g. pulse code modulation [2006.01] HB CC 5K072
  • H04B7/185
    		•  ...Space-based or airborne stations [2006.01] HB CC 5K072
  • H04B7/19
    		•  ....Earth-synchronous stations [2006.01] HB CC 5K072
  • H04B7/195
    		•  ....Non-synchronous stations [2006.01] HB CC 5K072
  • H04B7/204
    		•  ...Multiple access [2006.01] HB CC 5K072
  • H04B7/208
    		•  ....Frequency-division multiple access [2006.01] HB CC 5K072
  • H04B7/212
    		•  ....Time-division multiple access [2006.01] HB CC 5K072
  • H04B7/216
    		•  ....Code-division or spread-spectrum multiple access [2006.01] HB CC 5K072
  • H04B7/22
    		•  .Scatter propagation systems [2006.01] HB CC 5K072
  • H04B7/24
    		•  .for communication between two or more posts (wireless communication networks H04W) [2006.01] HB CC 5K067
  • H04B7/26
    		•  ..at least one of which is mobile [2006.01] HB CC 5K067
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