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    • 2. 发明申请
    • Layered reuse for a wireless communication system
    • 无线通信系统的分层重用
    • US20050096061A1
    • 2005-05-05
    • US10858870
    • 2004-06-01
    • Tingfang JiAvneesh AgrawalGavin HornEdward Teague
    • Tingfang JiAvneesh AgrawalGavin HornEdward Teague
    • H04W16/02H04W16/12H04Q7/20
    • H04W16/02H04W16/12H04W72/048H04W72/085
    • To reduce inter-sector interference for “weak” users and combat a potentially large variation in interference levels observed by “strong” and weak users, system resources (e.g., frequency subbands) available for data transmission in a system are partitioned into multiple (e.g., three) disjoint sets. Each sector in the system is assigned one subband set. Neighboring sectors are assigned different subband sets such that the subband set assigned to each sector is orthogonal to the subband sets assigned to neighboring sectors. Each sector has an assigned subband set and an unassigned subband set, which contains all subbands not in the assigned set. Weak users in each sector (which are typically strong interferers to neighboring sectors) are allocated subbands in the assigned set. Strong users in each sector are allocated subbands in the unassigned set. The weak users in each sector are then orthogonal to strong interferers in neighboring sectors.
    • 为了减少“弱”用户的扇区间干扰,并且打击“强”和弱用户观察到的干扰水平的潜在巨大变化,可用于系统中的数据传输的系统资源(例如,频率子带)被划分为多个(例如, ,三)不相交的集合。 系统中的每个扇区被分配一个子带集。 分配相邻扇区的不同子带组,使得分配给每个扇区的子带集与分配给相邻扇区的子带集正交。 每个扇区具有分配的子带集和未分配的子带集合,其包含不在分配集合中的所有子带。 每个扇区(通常是相邻扇区的强干扰源)中的弱用户在分配集中被分配子带。 每个扇区中的强用户在未分配的集合中分配子带。 每个扇区中的弱用户然后与相邻扇区中的强干扰源正交。
    • 10. 发明申请
    • DATA TRANSMISSION WITH HARQ AND INTERFERENCE MITIGATION
    • 数据传输与HARQ和干扰减轻
    • US20090083601A1
    • 2009-03-26
    • US12233179
    • 2008-09-18
    • Alexei GorokhovGavin HornMohammad J. Borran
    • Alexei GorokhovGavin HornMohammad J. Borran
    • H04L1/18G06F11/00
    • H04L1/1825H04L1/0002H04L1/0026H04L1/1812H04L27/2601Y02D50/10
    • Techniques for transmitting data with hybrid automatic retransmission (HARQ) and interference mitigation are described. In one design, a transmitter processes a packet of data in accordance with a rate and sends at least one transmission of the packet to a receiver with HARQ. In one design, the transmitter sends a trigger message to the receiver to trigger the receiver to send a request to reduce interference to interfering station(s). The transmitter may send a first transmission of the packet (i) after the trigger message, e.g., in consecutive frames of a single HARQ interlace, or (ii) along with the trigger message in the same frame. The number of transmissions to send for the packet may be dependent on whether the interfering station(s) reduce interference to the receiver. The packet transmission may terminate early if interference mitigation is successful or may terminate late if interference mitigation is unsuccessful.
    • 描述了利用混合自动重传(HARQ)和干扰减轻来发送数据的技术。 在一种设计中,发射机根据速率处理数据包,并且使用HARQ向接收机发送分组的至少一个传输。 在一种设计中,发射机向接收机发送触发消息以触发接收机发送减少对干扰站的干扰的请求。 发射机可以在触发消息之后例如在单个HARQ交织的连续帧中发送分组(i)的第一传输,或者(ii)以及同一帧中的触发消息。 用于分组的发送的数量可以取决于干扰站是否减少对接收机的干扰。 如果干扰减轻成功,则分组传输可以提前终止,或者如果干扰减轻不成功,则可以终止。