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Problems solved by technology
[0004] Here, since a plurality of wireless communication devices simultaneously perform communication, there is concern that communication may receive interference in multiple access communication
Method used
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Examples
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no. 1 example
[0046] 3.1. Functions of the device
[0047] 3.2. Processing flow
[0048] 3.3. Summary of the first embodiment
[0049] 4. The second embodiment
[0050] 4.1. Functions of the device
[0051] 4.2. Processing flow
[0052] 4.3. Summary of the second embodiment
[0053] 5. The third embodiment
[0054] 5.1. Processing function
[0055] 5.2. Processing flow
[0056] 5.3. Summary of the third embodiment
no. 4 example
[0058] 6.1. Functions of the device
[0059] 6.2. Processing flow
[0060] 6.3. Summary of the fourth embodiment
[0061] 7. Application example
[0062] 8. Conclusion
[0063]
[0064] First, techniques related to the wireless communication device in each embodiment of the present disclosure will be described. These techniques include the multiple-access communication techniques described above. Multiple access communication techniques include downlink (hereinafter, also referred to as DL) multiple access communication in which signals are simultaneously transmitted from an access point (AP) to multiple stations (STAs) and uplink multiple access communication in which Send signals from multiple STAs to the AP simultaneously). Here, downlink MU-MIMO, which is a kind of downlink multiple access communication, has been defined as a communication standard (IEEE 802.11ac). Meanwhile, uplink multiple access communication is currently under review and has not yet been defined ...
no. 3 example
[0176] Next, a third embodiment of the present disclosure will be described. In the third embodiment, multicast groups are newly formed according to changes in circumstances.
[0177]
[0178] First, the respective functions of STA 100-3 and AP 200-3 which are wireless communication devices according to this embodiment will be described. Note that descriptions of functions substantially the same as those in the first or second embodiment will be omitted.
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PUM
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Abstract
The invention provides an arrangement in which a drop in reception characteristics can be suppressed when a plurality of wireless communication devices communicate simultaneously. Provided is a wireless communication device comprising: a receiving unit that receives a first signal storing first information by which the transmission power precision or accuracy is ascertained; and a transmission unit that transmits a second signal pertaining to multi-access permission allowing simultaneous communication with at least one first wireless communication device identified on the basis of the first information. Also provided is a wireless communication device comprising: a transmission unit that transmits a first signal storing first information by which the transmission power precision or accuracy is ascertained; a receiving unit that receives a second signal pertaining to multi-access permission allowing simultaneous communication after transmission of the first signal; and a control unit that controls transmission of a third signal on the basis of the second signal.
Description
technical field [0001] The present disclosure relates to a wireless communication device and a wireless communication method. Background technique [0002] In recent years, a wireless local area network (LAN) representing Institute of Electrical and Electronics Engineers (IEEE) 802.11 has been widely used. Furthermore, the number of wireless LAN compatible products (hereinafter, also referred to as wireless communication devices) has increased accordingly. In contrast, wireless communication resources available for communication are limited. Therefore, it is desirable to improve communication efficiency between wireless communication devices. [0003] As examples of techniques for improving communication efficiency, there are various access communication techniques. For example, multiple-access communication techniques include Orthogonal Frequency Division Multiple Access (OFDMA), Space Division Multiple Access (SDMA) using Multiple-Input Multiple-Output (MIMO), and so on...
Claims
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Application Information
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