The disclosed systems, structures, and methods are directed to a wireless local area network (WLAN) transmission architecture and transmitting methodology that combines space-time block code (STBC) encoding techniques with semi-orthogonal multiple access (SOMA) schemes to improve throughput rate performance for lower signal strength data. The transmission architecture and method includes a data processing module that is configured to digitally process and format data produced by two wireless stations. A SOMA constellation quadrature encoding module operates to apply quadrature-based modulation to the processed data and map the data to a modulation constellation based on data signal strength and data bit reliability. An STBC encoding module is configured to block encode the SOMA modulated data with orthogonal codes to produce STBC-based SOMA-symbol data having time and space diversity properties that improve throughput performance at lower signal strength levels.

A method for mapping a physical hybrid automatic repeat request indicator channel (PHICH) is described. The method for mapping a PHICH includes determining an index of a resource element group transmitting a repetitive pattern of the PHICH, according to a ratio of the number of available resource element groups in a symbol in which the PHICH is transmitted and the number of available resource element groups in a first or second OFDM symbol, and mapping the PHICH to the symbol according to the determined index. In transmitting the PHICH, since efficient mapping is performed considering available resource elements varying with OFDM symbols, repetition of the PHICH does not generate interference between neighbor cell IDs and performance is improved.

A method and apparatus transmit an output stream of symbols over an antenna port. Data can be encoded to generate encoded data at a transmitter at a base station. At least two streams of modulated symbols can be generated at the base station from the encoded data. Each of the at least two streams of modulated symbols can correspond to an antenna port of a plurality of antenna ports at the base station. A non-empty subset of the at least two streams of the modulated symbols can be selected at the base station. The selected subset of the at least two streams of symbols can be transmitted from the base station over an antenna port implemented by applying a weighting to a plurality of antennas.

The invention relates to inserting a first and a second Reference Signals in a radio signal to be transmitted over a wireless communication system, the radio signal being emitted according to a specific SC-SFBC scheme, the method comprising: determining K integers such as

[00001]$\left\{n_i|i1;K,0n_i\frac{M}{2}-1,i,j{1;K}^2,i<j.Math.n_i<n_j\right\};$ and for each pair i of first and second Reference Signals: inserting the first Reference Signal in the radio signal, such as samples of the first Reference Signal are in time periods in the radio signal, said time periods being dependent on a first position in the block of symbols processed by the specific SC-SFBC scheme; inserting the second Reference Signal in the radio signal, such as samples of the second Reference Signal are in time periods in the radio signal, said time periods being dependent on a specific position according to the first position in the same block of symbols.

Coded antenna arrays and associated methods, apparatus and systems are disclosed. Signals transmitted by a client device are received at a plurality of antennas or antenna elements in an antenna array. The received signals are coded using codes such as orthogonal codes and pseudorandom number sequences under which the codes are selected to enable extraction of individual received signals. The coded signals are then combined to form a combined coded waveform that is processed using shared receiver circuitry. The shared receiver circuitry is configured to extract the signals received at each antenna using the codes used to code the received signals. Use of multiple client devices is also supported, with the receiver circuitry further configured to filter out signals received from individual client systems and calculate the phase and magnitude of the signals as received at each antenna. The signal phase and magnitude may be used for wireless transmission of power to clients by a wireless power transmission system.

A method of serving a given data stream to a target mobile terminal, in a cellular communications network that includes a plurality of transmitting sites wherein each transmitting site including at least one antenna, is provided. The method includes designating at least two of the plurality of transmitting sites as cooperating sites; assigning tones to each transmitting site from a sub-band associated with the cooperating sites; dividing the data stream into at least two sub-data streams, each of the sub-data streams for transmission over selected tones; and interlacing tones of the cooperating sites in accordance with a selected one of a time switching and a frequency switching transmit diversity technique. Other techniques for multi-site MIMO cooperation are also provided.

Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method for the transmission of information in a wireless communication system comprises receiving a downlink message, wherein the downlink message includes a first control channel element; determining a first index using the location of the first control channel element; determining a second index; determining a first orthogonal resource using the first index; determining a second orthogonal resource using the second index; spreading an uplink message using the first orthogonal resource to form a first spread signal; spreading the uplink message using a second orthogonal resource to form a second spread signal; transmitting the first spread signal using a first antenna; and transmitting the second spread signal using a second antenna.

A data transmission method includes: transmitting, to at least one receiving device, a first TB set mapped with a first data stream and a second data stream, where the first data stream and the second data stream are used to transmit a first data signal and a second data signal; when a TB in the first TB set is transmitted erroneously, transmitting, to the at least one receiving device, a second TB set mapped with a third data stream and a fourth data stream, where a third data signal transmitted over the third data stream is a negative conjugate of the second data signal, a fourth data signal transmitted over the fourth data stream is a conjugate of the first data signal, and the second TB set and the first TB set are used to determine the first data signal and the second data signal.

A control device for a wireless communication system is configured to obtain a first channel estimation for a first client device and a second channel estimation for a second client device, to allocate a common resource block (RB) for concurrent wireless transmission between a first network node and the first client device using a first radio access technology (RAT) and between a second network node and the second client device using a second RAT based on the first channel estimation and the second channel estimation. The control device is further configured to allocate a first precoder for the common RB for the first client device and a second precoder for the common RB for the second client device. The first precoder and the second precoder are configured for spatially multiplexing the concurrent wireless transmission.

Systems and methods for mixed space time and space frequency block coding are provided. In some embodiments, a method of operating a first node in a wireless communication network for providing time and frequency diversity includes precoding modulation symbols intended for a second node according to two antenna ports on which they are to be transmitted. In a first subset of Orthogonal Frequency-Division Multiplexing (OFDM) symbols, mapping the precoded modulation symbols to resource elements starting first with indices corresponds to frequency. In a different subset of OFDM symbols, mapping the precoded modulation symbols to resource elements in any two adjacent OFDM symbols starting first with indices corresponds to time. In this way, transmission efficiency may be increased by not having any resource elements unused. Additional flexibility for precoding may also be provided when there is no symbol pair mapped to resource elements across two resource blocks.